neshta | 06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2025, 19:24

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General

Target

06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
Size

1.1MB
MD5

a127d78dc5e3867d9092cf4c346f8ceb
SHA1

6470e1825154c87f51faafd051b00759d63eaf3d
SHA256

06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4
SHA512

c7f268931859cac96153a03d204fe376d8bb099c226f3547772617aa9233a56b0b49da98085a2a940bacc8981f43f2ffabef161a5cba2131e76d76a54748d13c
SSDEEP

24576:XmiZBMLhI6O5HR0Xz8jDvAWVvnZKO5HQAVL1PZuTS:XhZBMLhI/88HAWVvZPNLZoTS

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 4 IoCs

resource	yara_rule
behavioral2/files/0x00060000000202ce-23.dat	family_neshta
behavioral2/memory/4500-137-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4500-246-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4500-249-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Neshta family
neshta

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1294999112-580688058-1763548717-1000\Control Panel\International\Geo\Nation	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe

Executes dropped EXE 3 IoCs

pid	Process
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
1164	ExEcmService.exe
4960	ExECM.exe

Loads dropped DLL 14 IoCs

pid	Process
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
4960	ExECM.exe
4960	ExECM.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.43\MICROS~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File created	C:\Program Files (x86)\CoreB2b\ExEcm\ICSharpCode.SharpZipLib.dll	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File created	C:\Program Files (x86)\CoreB2b\ExEcm\ExECMService.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\MSEDGE~2.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File created	C:\Program Files (x86)\CoreB2b\ExEcm\ExECM.exe.config	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File created	C:\Program Files (x86)\CoreB2b\ExEcm\uninstall.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File created	C:\Program Files (x86)\CoreB2b\ExEcm\ExECM.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\ELEVAT~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.43\MIA062~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\COOKIE~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~2\MICROS~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\BHO\IE_TO_~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\PWAHEL~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\IDENTI~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.43\MI391D~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.43\MICROS~2.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File created	C:\Program Files (x86)\CoreB2b\ExEcm\Fleck2.dll	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ExEcmService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ExECM.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\875D8F02E1F23F7ED14A7A083E41AFA82BA17138	ExEcmService.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\875D8F02E1F23F7ED14A7A083E41AFA82BA17138\Blob = 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	ExEcmService.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
3872	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
4960	ExECM.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe
1164	ExEcmService.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1164	ExEcmService.exe
Token: SeDebugPrivilege	4960	ExECM.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 3872	4500	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe	87
PID 4500 wrote to memory of 3872	4500	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe	87
PID 4500 wrote to memory of 3872	4500	06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe	87
PID 1164 wrote to memory of 4960	1164	ExEcmService.exe	92
PID 1164 wrote to memory of 4960	1164	ExEcmService.exe	92
PID 1164 wrote to memory of 4960	1164	ExEcmService.exe	92
PID 1164 wrote to memory of 4960	1164	ExEcmService.exe	92
PID 1164 wrote to memory of 4960	1164	ExEcmService.exe	92

C:\Users\Admin\AppData\Local\Temp\06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
"C:\Users\Admin\AppData\Local\Temp\06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe"
1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4500
- C:\Users\Admin\AppData\Local\Temp\3582-490\06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3872

C:\Program Files (x86)\CoreB2b\ExEcm\ExEcmService.exe
"C:\Program Files (x86)\CoreB2b\ExEcm\ExEcmService.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Program Files (x86)\CoreB2b\ExEcm\ExECM.exe
  "C:\Program Files (x86)\CoreB2b\ExEcm\ExECM.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

Filesize
86KB

MD5
3b73078a714bf61d1c19ebc3afc0e454

SHA1
9abeabd74613a2f533e2244c9ee6f967188e4e7e

SHA256
ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

SHA512
75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

Download Submit
C:\Program Files (x86)\CoreB2b\ExEcm\ExECM.exe

Filesize
150KB

MD5
be6a4cea305f68ba4b609b6c8f6bdaca

SHA1
19b9c5c18ff6296e2ca6b131deca048ae353574d

SHA256
55ab419763b54adf317f56f4294d1e838a2f75c11fb22d35061b05656933de24

SHA512
82f3f293f1f5692b4efdf53f48e671e70a2759db4995526dbb1ecd4e0f2f739ed9d29ac00eaa0fbf1d1bcde0958045b24dc33c95d98521cfa5e3b9c55e780dc4

Download Submit
C:\Program Files (x86)\CoreB2b\ExEcm\ExECM.exe.config

Filesize
2KB

MD5
237ef11e55f59baa2ecf132c6ddf698d

SHA1
2235bda8730e2e26aac65c92865a3302743be12e

SHA256
7d02d990eaf99364b7339971b3b8440253c3d636e32825bcb576998b04658bea

SHA512
5f6789aada6e57dcbfe75f9c0690ab6cdf88c49ce3522a9ccc7f69d0e9e394d6afa893f45b89b40af82dc5d4c86b9b14731fa3cb12a875b27a74d0dd2fadfbb9

Download Submit
C:\Program Files (x86)\CoreB2b\ExEcm\ExEcmService.exe

Filesize
26KB

MD5
9109548edae6b1d240210ffc02722153

SHA1
3530785fa36d5e9e834142ec83db575c88ce99e6

SHA256
daa0ca4fcd5418f2b011d4cecae06c9e822fb15004199f50540f63e1fdf84504

SHA512
f8a1df010ce9e2ce09913e0df7d769aa20a36fc845c612d8c0fa095bf7487fad23619f9c69796edbf737a1c6a94d2f4a8ff0ca87de9528c6d4398593ca38e151

Download Submit
C:\Program Files (x86)\CoreB2b\ExEcm\ExEcmService.exe.config

Filesize
578B

MD5
6a4e4c408c491b5b4a7d4698cba4f773

SHA1
8ffa0002b62235e094cb18949a245cffc83d7814

SHA256
979035ae538cdd3daee3e942bc2a1af6493c54dc1d15b384092d9ed6b8a6f771

SHA512
3170eab4147690bacfadf7bdb5ca4e47b4000fad9391cc459135cfcf9396957315b3124d501d04b513d981166e43a290c3969d144a45214d3c0f8398451d74ad

Download Submit
C:\Program Files (x86)\CoreB2b\ExEcm\Fleck2.dll

Filesize
53KB

MD5
80fa1064273fb7f446a4d17f67cf3be1

SHA1
396b79e6d9433d2110e4b70351ed7f768592dd99

SHA256
3c97eb64eec2e8ab576ce7163fd415c0866455995ebdd31f817e1ec77038b58f

SHA512
4fceb6de08c1a2829dcd36a73060e6afe122109da8085bd697dcfb9badf1e94718204bb1eca0807b67fd4ac8d373da91a2e08fc1fb35392c829aedc5eb8d99aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\06fc12241a1f2b104489ee5bdd1dd6e9aa9913ccf85a18dfb85c78122f031df4.exe

Filesize
1.1MB

MD5
355f9168c70315383e1c698d0783eb15

SHA1
672da2c2744ce6c315bf67923fb689dad6e06136

SHA256
cf6e694c2cb7fe0931156c64136829a6f3b4c8b78958732d918bdf49bf2e26af

SHA512
efcfd1d923771c22273038e522380cb5dee0492036db7cad1f6e6429099651dbfbaf53dd18fd48674067803981079abaed5683fcc94e5d4b95d0c6221b6e8028

Download Submit
C:\Users\Admin\AppData\Local\Temp\TmpCFF2.tmp

Filesize
2KB

MD5
e7b032bbb3c30a7d841240895d450886

SHA1
33f019f3464faa304d5de569009ad3eca66896ae

SHA256
bc358a4255a8bfc5fa6a0c71669281c29bf90f7174d1fe2f9debade21413ea74

SHA512
af2f7994f08a4ebf33e6cec6617ced5fe72f4895b245f8fac4a09dfcb5a8afd4fb08ae0a4e6cee50018366ba7a7abc0187d694ece1cb5e64c438e3c14d340002

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu856D.tmp\SimpleSC.dll

Filesize
1.1MB

MD5
7b89329c6d8693fb2f6a4330100490a0

SHA1
851b605cdc1c390c4244db56659b6b9aa8abd22c

SHA256
1620cdf739f459d1d83411f93648f29dcf947a910cc761e85ac79a69639d127d

SHA512
ac07972987ee610a677ea049a8ec521a720f7352d8b93411a95fd4b35ec29bfd1d6ccf55b48f32cc84c3dceef05855f723a88708eb4cf23caec77e7f6596786a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu856D.tmp\System.dll

Filesize
12KB

MD5
564bb0373067e1785cba7e4c24aab4bf

SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1

SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu856D.tmp\nsDialogs.dll

Filesize
9KB

MD5
48f3e7860e1de2b4e63ec744a5e9582a

SHA1
420c64d802a637c75a53efc8f748e1aede3d6dc6

SHA256
6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156

SHA512
28716ddea580eeb23d93d1ff6ea0cf79a725e13c8f8a17ec9dfacb1fe29c7981ad84c03aed05663adc52365d63d19ec2f366762d1c685e3a9d93037570c3c583

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu856D.tmp\nsProcess.dll

Filesize
4KB

MD5
f0438a894f3a7e01a4aae8d1b5dd0289

SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6

SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

Download Submit
C:\Windows\Temp\TmpCEE9.tmp

Filesize
1KB

MD5
730292240125c746f958623907b5932c

SHA1
a2eec5ae358cf4557f51b39818f3fe7a902774f5

SHA256
81ae43b91e7518b3e1afe73bfdfb7366445e38c1091b62cdd687db2926769300

SHA512
caa96ce7effe6632f91b15cc33d66b75f9e9e35cd5e1349ffec56e1961606e838d2688332bf00debff8279b23133be1ff04c489288fefa3cd6646236d3cce47a

Download Submit
memory/1164-190-0x0000000004190000-0x00000000041B2000-memory.dmp

Filesize
136KB

Download
memory/1164-191-0x00000000730B0000-0x0000000073860000-memory.dmp

Filesize
7.7MB

Download
memory/1164-188-0x00000000730BE000-0x00000000730BF000-memory.dmp

Filesize
4KB

Download
memory/1164-250-0x00000000730B0000-0x0000000073860000-memory.dmp

Filesize
7.7MB

Download
memory/1164-189-0x0000000000D00000-0x0000000000D0A000-memory.dmp

Filesize
40KB

Download
memory/1164-247-0x00000000730BE000-0x00000000730BF000-memory.dmp

Filesize
4KB

Download
memory/3872-171-0x0000000004B30000-0x0000000004C4C000-memory.dmp

Filesize
1.1MB

Download
memory/3872-143-0x0000000002B00000-0x0000000002C1C000-memory.dmp

Filesize
1.1MB

Download
memory/4500-246-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4500-249-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4500-137-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4960-224-0x0000000004AB0000-0x0000000004B42000-memory.dmp

Filesize
584KB

Download
memory/4960-245-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/4960-244-0x0000000004C90000-0x0000000004CA2000-memory.dmp

Filesize
72KB

Download
memory/4960-223-0x0000000004FC0000-0x0000000005564000-memory.dmp

Filesize
5.6MB

Download
memory/4960-222-0x0000000000180000-0x00000000001AA000-memory.dmp

Filesize
168KB

Download