strrat | 8ecee4c88a8b20cc9c9f2a98ad6ba67f917a1bb9577d5cdf3f950b5eb47807c2

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
23/04/2024, 09:39

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General

Target
f446459e4d64f4d58987cb5cdb1c150e.jar
Size 64KB
Sample240423-lml1dsfb9v
SHA256 8ecee4c88a8b20cc9c9f2a98ad6ba67f917a1bb9577d5cdf3f950b5eb47807c2
MD5 f446459e4d64f4d58987cb5cdb1c150e
SHA1 68c68ec9b4c15f27fd2b0ee0fa0199a126a410cd
SHA512 5148443470f8bd7c9878278f48b785ae2102d3028da0f232ba425168efedd59526af0fde72767ba07b90fb9f6ed384e1f3d2417103878eb7fb9c72ede99474ef
SSDEEP 1536:YobZK2CD2XJ1JvRVuHlKbfGLKA1+lqSw3yGxVnjmIQMXtne:7M2blvRIHl1TxD1nag9ne
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

strrat discovery persistence stealer trojan

Malware Config

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f446459e4d64f4d58987cb5cdb1c150e.jar	java.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3500	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f446459e4d64f4d58987cb5cdb1c150e = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\f446459e4d64f4d58987cb5cdb1c150e.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f446459e4d64f4d58987cb5cdb1c150e = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\f446459e4d64f4d58987cb5cdb1c150e.jar\""	java.exe

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
36	ip-api.com

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/Job

T1053

pid	Process
1552	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4344	WMIC.exe
Token: SeSecurityPrivilege	4344	WMIC.exe
Token: SeTakeOwnershipPrivilege	4344	WMIC.exe
Token: SeLoadDriverPrivilege	4344	WMIC.exe
Token: SeSystemProfilePrivilege	4344	WMIC.exe
Token: SeSystemtimePrivilege	4344	WMIC.exe
Token: SeProfSingleProcessPrivilege	4344	WMIC.exe
Token: SeIncBasePriorityPrivilege	4344	WMIC.exe
Token: SeCreatePagefilePrivilege	4344	WMIC.exe
Token: SeBackupPrivilege	4344	WMIC.exe
Token: SeRestorePrivilege	4344	WMIC.exe
Token: SeShutdownPrivilege	4344	WMIC.exe
Token: SeDebugPrivilege	4344	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4344	WMIC.exe
Token: SeRemoteShutdownPrivilege	4344	WMIC.exe
Token: SeUndockPrivilege	4344	WMIC.exe
Token: SeManageVolumePrivilege	4344	WMIC.exe
Token: 33	4344	WMIC.exe
Token: 34	4344	WMIC.exe
Token: 35	4344	WMIC.exe
Token: 36	4344	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4344	WMIC.exe
Token: SeSecurityPrivilege	4344	WMIC.exe
Token: SeTakeOwnershipPrivilege	4344	WMIC.exe
Token: SeLoadDriverPrivilege	4344	WMIC.exe
Token: SeSystemProfilePrivilege	4344	WMIC.exe
Token: SeSystemtimePrivilege	4344	WMIC.exe
Token: SeProfSingleProcessPrivilege	4344	WMIC.exe
Token: SeIncBasePriorityPrivilege	4344	WMIC.exe
Token: SeCreatePagefilePrivilege	4344	WMIC.exe
Token: SeBackupPrivilege	4344	WMIC.exe
Token: SeRestorePrivilege	4344	WMIC.exe
Token: SeShutdownPrivilege	4344	WMIC.exe
Token: SeDebugPrivilege	4344	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4344	WMIC.exe
Token: SeRemoteShutdownPrivilege	4344	WMIC.exe
Token: SeUndockPrivilege	4344	WMIC.exe
Token: SeManageVolumePrivilege	4344	WMIC.exe
Token: 33	4344	WMIC.exe
Token: 34	4344	WMIC.exe
Token: 35	4344	WMIC.exe
Token: 36	4344	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2188	WMIC.exe
Token: SeSecurityPrivilege	2188	WMIC.exe
Token: SeTakeOwnershipPrivilege	2188	WMIC.exe
Token: SeLoadDriverPrivilege	2188	WMIC.exe
Token: SeSystemProfilePrivilege	2188	WMIC.exe
Token: SeSystemtimePrivilege	2188	WMIC.exe
Token: SeProfSingleProcessPrivilege	2188	WMIC.exe
Token: SeIncBasePriorityPrivilege	2188	WMIC.exe
Token: SeCreatePagefilePrivilege	2188	WMIC.exe
Token: SeBackupPrivilege	2188	WMIC.exe
Token: SeRestorePrivilege	2188	WMIC.exe
Token: SeShutdownPrivilege	2188	WMIC.exe
Token: SeDebugPrivilege	2188	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2188	WMIC.exe
Token: SeRemoteShutdownPrivilege	2188	WMIC.exe
Token: SeUndockPrivilege	2188	WMIC.exe
Token: SeManageVolumePrivilege	2188	WMIC.exe
Token: 33	2188	WMIC.exe
Token: 34	2188	WMIC.exe
Token: 35	2188	WMIC.exe
Token: 36	2188	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2188	WMIC.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 3500	2024	java.exe	89
PID 2024 wrote to memory of 3500	2024	java.exe	89
PID 2024 wrote to memory of 1988	2024	java.exe	93
PID 2024 wrote to memory of 1988	2024	java.exe	93
PID 2024 wrote to memory of 208	2024	java.exe	94
PID 2024 wrote to memory of 208	2024	java.exe	94
PID 1988 wrote to memory of 1552	1988	cmd.exe	97
PID 1988 wrote to memory of 1552	1988	cmd.exe	97
PID 208 wrote to memory of 3552	208	java.exe	99
PID 208 wrote to memory of 3552	208	java.exe	99
PID 3552 wrote to memory of 4344	3552	cmd.exe	101
PID 3552 wrote to memory of 4344	3552	cmd.exe	101
PID 208 wrote to memory of 3260	208	java.exe	103
PID 208 wrote to memory of 3260	208	java.exe	103
PID 3260 wrote to memory of 2188	3260	cmd.exe	105
PID 3260 wrote to memory of 2188	3260	cmd.exe	105
PID 208 wrote to memory of 8	208	java.exe	106
PID 208 wrote to memory of 8	208	java.exe	106
PID 8 wrote to memory of 3352	8	cmd.exe	108
PID 8 wrote to memory of 3352	8	cmd.exe	108
PID 208 wrote to memory of 2420	208	java.exe	109
PID 208 wrote to memory of 2420	208	java.exe	109
PID 2420 wrote to memory of 556	2420	cmd.exe	111
PID 2420 wrote to memory of 556	2420	cmd.exe	111

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\f446459e4d64f4d58987cb5cdb1c150e.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:3500
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\f446459e4d64f4d58987cb5cdb1c150e.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\f446459e4d64f4d58987cb5cdb1c150e.jar"
    3⤵
    - Creates scheduled task(s)
    PID:1552
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\f446459e4d64f4d58987cb5cdb1c150e.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:208
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:4344
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3260
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2188
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:8
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
      4⤵
      PID:3352
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2420
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
      4⤵
      PID:556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

f446459e4d64f4d58987cb5cdb1c150e.jar

Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\f446459e4d64f4d58987cb5cdb1c150e.jar
Size 64KB
SHA256 8ecee4c88a8b20cc9c9f2a98ad6ba67f917a1bb9577d5cdf3f950b5eb47807c2
MD5 f446459e4d64f4d58987cb5cdb1c150e
SHA1 68c68ec9b4c15f27fd2b0ee0fa0199a126a410cd
SHA512 5148443470f8bd7c9878278f48b785ae2102d3028da0f232ba425168efedd59526af0fde72767ba07b90fb9f6ed384e1f3d2417103878eb7fb9c72ede99474ef
SSDEEP 1536:YobZK2CD2XJ1JvRVuHlKbfGLKA1+lqSw3yGxVnjmIQMXtne:7M2blvRIHl1TxD1nag9ne
MD5 SHA1 SHA512 SSDEEP

Submit Download

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 dd931a976bdbf33a55a21d70b16ab9dc45ac6590405d951b930dbb59a1d2cc54
MD5 2c3d2a2ab1e48dfc6ff17dac56bafa43
SHA1 6c8840066b90f750353e731d40bc32538a21a5c8
SHA512 993c47467ce4afc03fed1162ccb6c51d794e62c11c58babe809f8a4ab5f1616f14e68a307f49082e08b9f2dc95b562c128678246fe89aa23cd57020ef695a244
MD5 SHA1 SHA512

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memory/208-72-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-71-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-78-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-75-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-74-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-73-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-62-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-77-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-67-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-66-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-65-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-44-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-54-0x000002643D260000-0x000002643E260000-memory.dmp

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memory/208-58-0x000002643B9E0000-0x000002643B9E1000-memory.dmp

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memory/2024-31-0x000001C143B10000-0x000001C143B20000-memory.dmp

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memory/2024-37-0x000001C143B70000-0x000001C143B80000-memory.dmp

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memory/2024-36-0x000001C143B60000-0x000001C143B70000-memory.dmp

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memory/2024-35-0x000001C143B50000-0x000001C143B60000-memory.dmp

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memory/2024-34-0x000001C143B40000-0x000001C143B50000-memory.dmp

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memory/2024-33-0x000001C143B30000-0x000001C143B40000-memory.dmp

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memory/2024-32-0x000001C143B80000-0x000001C143B90000-memory.dmp

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memory/2024-4-0x000001C143890000-0x000001C144890000-memory.dmp

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memory/2024-28-0x000001C143890000-0x000001C144890000-memory.dmp

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memory/2024-16-0x000001C143890000-0x000001C144890000-memory.dmp

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memory/2024-12-0x000001C142090000-0x000001C142091000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads