neshta | c7b67b0b596b794ded3ceb68302cf7352691d797324c51a4a646ab4939e4c89d

General

Target

7109532.exe
Size

16KB
MD5

5b9a8f77a9dbad6b5da98718d07d7f0e
SHA1

daebc35d775c47bae2de48c8c9c6c4214b49e513
SHA256

4ee624771e86858f0d52191d967b79b414a55442f26f6d4c2fee32e6ed8e4417
SHA512

89e2502553e5eb89647711bdbfb2cc04c003ed9e7192e787e9b581ac00ad887f4e118e1ea3ea0f1ecb98500a0f1ac3e3358050715fab287f6803184e637908a2

Score

10^/10

neshta persistence spyware

Malware Config

Signatures

Detect Neshta payload 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1332-145-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1332-146-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1332-147-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1332-148-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1332-149-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1332-150-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

InstallUtil.exe

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

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

Processes:

7109532.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	7109532.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7109532.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jkfhfl = "\"C:\\Users\\Admin\\AppData\\Roaming\\Pjhotop\\Jkfhfl.exe\""	7109532.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7109532.exe

description pid process target process

PID 1828 set thread context of 1332 1828 7109532.exe InstallUtil.exe

description	pid	process	target process
PID 1828 set thread context of 1332	1828	7109532.exe	InstallUtil.exe

Drops file in Program Files directory 64 IoCs

Processes:

InstallUtil.exe

description	ioc	process
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~2.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13165~1.21\MICROS~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MIA062~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI391D~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~4.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	InstallUtil.exe

Drops file in Windows directory 1 IoCs

Processes:

InstallUtil.exe

description ioc process

File opened for modification C:\Windows\svchost.com InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	InstallUtil.exe

Modifies registry class 1 IoCs

Processes:

InstallUtil.exe

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe7109532.exe

pid process

2784 powershell.exe
2784 powershell.exe
1828 7109532.exe
1828 7109532.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7109532.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1828 7109532.exe
Token: SeDebugPrivilege 2784 powershell.exe

pid	process
2784	powershell.exe
2784	powershell.exe
1828	7109532.exe
1828	7109532.exe

description	pid	process
Token: SeDebugPrivilege	1828	7109532.exe
Token: SeDebugPrivilege	2784	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

7109532.exe

description	pid	process	target process
PID 1828 wrote to memory of 2784	1828	7109532.exe	powershell.exe
PID 1828 wrote to memory of 2784	1828	7109532.exe	powershell.exe
PID 1828 wrote to memory of 2784	1828	7109532.exe	powershell.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe
PID 1828 wrote to memory of 1332	1828	7109532.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\7109532.exe
"C:\Users\Admin\AppData\Local\Temp\7109532.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANgA=
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Modifies system executable filetype association
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies registry class
  PID:1332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1332-150-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1332-149-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1332-148-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1332-147-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1332-146-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1332-144-0x0000000000000000-mapping.dmp

Download
memory/1332-145-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1828-143-0x00000000071A0000-0x0000000007744000-memory.dmp

Filesize
5.6MB

Download
memory/1828-133-0x0000000006060000-0x0000000006082000-memory.dmp

Filesize
136KB

Download
memory/1828-132-0x0000000000990000-0x000000000099A000-memory.dmp

Filesize
40KB

Download
memory/1828-142-0x0000000006B50000-0x0000000006BE2000-memory.dmp

Filesize
584KB

Download
memory/2784-136-0x0000000005640000-0x0000000005C68000-memory.dmp

Filesize
6.2MB

Download
memory/2784-141-0x0000000006950000-0x000000000696A000-memory.dmp

Filesize
104KB

Download
memory/2784-140-0x0000000007A80000-0x00000000080FA000-memory.dmp

Filesize
6.5MB

Download
memory/2784-139-0x0000000006430000-0x000000000644E000-memory.dmp

Filesize
120KB

Download
memory/2784-138-0x00000000055A0000-0x0000000005606000-memory.dmp

Filesize
408KB

Download
memory/2784-137-0x0000000005530000-0x0000000005596000-memory.dmp

Filesize
408KB

Download
memory/2784-135-0x0000000004E80000-0x0000000004EB6000-memory.dmp

Filesize
216KB

Download
memory/2784-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads