08d215fd35494280e6397e8bc527bd6de64eb78a73acd3bd07a01da376ed4cb7

Resubmissions

07-02-2022 00:34

220207-aw81qsdce2 10

Analysis

max time kernel
152s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
07-02-2022 00:34

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General

Target

IntelFOUR.exe
Size

741KB
MD5

6a845ba103296108ad6414a3c9217718
SHA1

f3a9926564a7eaa68bf1623ebe2f6ab21727a817
SHA256

6d915396aa09593693247c54c4a91feea691dc6e5f4ff234791a6193d2b5ac1b
SHA512

e538f72665e4dd956457dc0f526ad0b610e09a203f5f00943dda1793b8ef32a68d32a58ec241053cee8376ddf5fa14b473d2f7d1fc62e72f2071def5b873e893

Score

7^/10

Malware Config

Signatures

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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	IntelFOUR.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
2584	schtasks.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3140	svchost.exe
Token: SeCreatePagefilePrivilege	3140	svchost.exe
Token: SeShutdownPrivilege	3140	svchost.exe
Token: SeCreatePagefilePrivilege	3140	svchost.exe
Token: SeShutdownPrivilege	3140	svchost.exe
Token: SeCreatePagefilePrivilege	3140	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 2584	4960	IntelFOUR.exe	82
PID 4960 wrote to memory of 2584	4960	IntelFOUR.exe	82
PID 4960 wrote to memory of 2584	4960	IntelFOUR.exe	82

C:\Users\Admin\AppData\Local\Temp\IntelFOUR.exe
"C:\Users\Admin\AppData\Local\Temp\IntelFOUR.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /CREATE /SC HOURLY /MO 1 /TN IntelFOUR /TR C:\ProgramData\Intel\IntelFOUR.exe /F
  2⤵
  - Creates scheduled task(s)
  PID:2584

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3140

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3140-142-0x00000210EAF90000-0x00000210EAF94000-memory.dmp

Filesize
16KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads