neshta | 36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 20:38

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General

Target

36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
Size

1.3MB
MD5

30d7dcd4a107420445b82d57586d0653
SHA1

4eb0382ba81011804dfdd4d93d1338cfc151d0db
SHA256

36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245
SHA512

80e2d01dfe55bf94cafaa8ad1cd42f62741e54b08b36e1c95f517c254a08297eb65f0df9ef8bd3c8e516c5324de263662aed168b20517523cdad255d57d6163b
SSDEEP

24576:J9sQDSz3eoh5SpYkryz8u9FYeWPJOFL64zAtb:JSGjnbPJOQ4zmb

Score

10^/10

neshta quasar rarx discovery persistence spyware stealer trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

RARX

titine555.ddns.net:7276

Mutex

QSR_MUTEX_USHHV6Bt9sa1Tgpylt

Attributes

encryption_key
0J7VRBDdOUAjK9gEtWzF
install_name
Update service.exe
log_directory
Logs
reconnect_delay
3000
startup_key
service update
subdirectory
microsofte

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-14.dat	family_neshta
behavioral1/memory/1640-92-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1640-95-0x0000000000400000-0x000000000041B000-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
Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 5 IoCs

resource	yara_rule
behavioral1/memory/2000-104-0x0000000000090000-0x00000000000EE000-memory.dmp	family_quasar
behavioral1/memory/2000-102-0x0000000000090000-0x00000000000EE000-memory.dmp	family_quasar
behavioral1/memory/1656-118-0x0000000000400000-0x000000000045E000-memory.dmp	family_quasar
behavioral1/memory/1656-120-0x0000000000400000-0x000000000045E000-memory.dmp	family_quasar
behavioral1/memory/1656-119-0x0000000000400000-0x000000000045E000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe

Loads dropped DLL 3 IoCs

pid	Process
1640	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
1640	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
1640	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.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\" %*"	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.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	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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\" %*"	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
Token: SeDebugPrivilege	1656	InstallUtil.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2400	1640	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	30
PID 1640 wrote to memory of 2400	1640	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	30
PID 1640 wrote to memory of 2400	1640	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	30
PID 1640 wrote to memory of 2400	1640	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	30
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 2000	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	32
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 2400 wrote to memory of 1656	2400	36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe	33
PID 1656 wrote to memory of 2504	1656	InstallUtil.exe	35
PID 1656 wrote to memory of 2504	1656	InstallUtil.exe	35
PID 1656 wrote to memory of 2504	1656	InstallUtil.exe	35
PID 1656 wrote to memory of 2504	1656	InstallUtil.exe	35

C:\Users\Admin\AppData\Local\Temp\36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
"C:\Users\Admin\AppData\Local\Temp\36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe"
1⤵
- Loads dropped DLL
- 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:1640
- C:\Users\Admin\AppData\Local\Temp\3582-490\36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    PID:2000
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1656
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "service update" /sc ONLOGON /tr "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" /rl HIGHEST /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe

Filesize
1.2MB

MD5
c18e4c1a82bd7df260de903f99c417db

SHA1
719da47b81ccf5975aea4d17bc250ebae828ee26

SHA256
adf3f7b7afca219c9200a147c06f5a5466a0a4d4252c77c5cf781f9f1186e365

SHA512
c4a06b3061655ed4ca815aa65996b71dd5796a41f961764b353a787d503764f33294255ccdda4ab047aee5dbba2d4e1e7f8fa4ed8a26675e757c51e5b530d1d0

Download Submit
memory/1640-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1640-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1656-120-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1656-118-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1656-116-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1656-119-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2000-107-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2000-100-0x0000000000090000-0x00000000000EE000-memory.dmp

Filesize
376KB

Download
memory/2000-102-0x0000000000090000-0x00000000000EE000-memory.dmp

Filesize
376KB

Download
memory/2000-104-0x0000000000090000-0x00000000000EE000-memory.dmp

Filesize
376KB

Download
memory/2000-98-0x0000000000090000-0x00000000000EE000-memory.dmp

Filesize
376KB

Download
memory/2400-18-0x0000000073BE0000-0x00000000742CE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-106-0x0000000073BE0000-0x00000000742CE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-97-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/2400-96-0x0000000000360000-0x000000000037A000-memory.dmp

Filesize
104KB

Download
memory/2400-93-0x0000000073BE0000-0x00000000742CE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-91-0x0000000073BEE000-0x0000000073BEF000-memory.dmp

Filesize
4KB

Download
memory/2400-117-0x0000000073BE0000-0x00000000742CE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-17-0x0000000004880000-0x000000000491E000-memory.dmp

Filesize
632KB

Download
memory/2400-16-0x0000000000E00000-0x0000000000F46000-memory.dmp

Filesize
1.3MB

Download
memory/2400-15-0x0000000073BEE000-0x0000000073BEF000-memory.dmp

Filesize
4KB

Download
memory/2400-121-0x0000000073BE0000-0x00000000742CE000-memory.dmp

Filesize
6.9MB

Download