strrat | 98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2023, 14:32

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General

Target
PO06028jar.jar
Size 70KB
Sample230628-rwkftaah7v
SHA256 98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3
MD5 1421b13fcff1ed8b4e8ed6d0ec1ef4ec
SHA1 7eb847e16c12dc9159e9f8a0b219926ddf9ec401
SHA512 c91c39cb5eea625ba59b60dc0dca227d84da68b36ad4c79e4dfa39f24fb70349b09b24132abbbfccb1a97439a883ed8d7121fcf119f7f7be106c675a37615e41
SSDEEP 1536:Mf9ewjOD9EgIKgngWmvpkPuH08DdgUFFVk1YSeY9UKihA4X9:CewlKdYPW0AvmYPYTihAo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

strrat 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\PO06028jar.jar	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO06028jar = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO06028jar.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO06028jar = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO06028jar.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
22	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

T1053

pid	Process
324	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3380	WMIC.exe
Token: SeSecurityPrivilege	3380	WMIC.exe
Token: SeTakeOwnershipPrivilege	3380	WMIC.exe
Token: SeLoadDriverPrivilege	3380	WMIC.exe
Token: SeSystemProfilePrivilege	3380	WMIC.exe
Token: SeSystemtimePrivilege	3380	WMIC.exe
Token: SeProfSingleProcessPrivilege	3380	WMIC.exe
Token: SeIncBasePriorityPrivilege	3380	WMIC.exe
Token: SeCreatePagefilePrivilege	3380	WMIC.exe
Token: SeBackupPrivilege	3380	WMIC.exe
Token: SeRestorePrivilege	3380	WMIC.exe
Token: SeShutdownPrivilege	3380	WMIC.exe
Token: SeDebugPrivilege	3380	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3380	WMIC.exe
Token: SeRemoteShutdownPrivilege	3380	WMIC.exe
Token: SeUndockPrivilege	3380	WMIC.exe
Token: SeManageVolumePrivilege	3380	WMIC.exe
Token: 33	3380	WMIC.exe
Token: 34	3380	WMIC.exe
Token: 35	3380	WMIC.exe
Token: 36	3380	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3380	WMIC.exe
Token: SeSecurityPrivilege	3380	WMIC.exe
Token: SeTakeOwnershipPrivilege	3380	WMIC.exe
Token: SeLoadDriverPrivilege	3380	WMIC.exe
Token: SeSystemProfilePrivilege	3380	WMIC.exe
Token: SeSystemtimePrivilege	3380	WMIC.exe
Token: SeProfSingleProcessPrivilege	3380	WMIC.exe
Token: SeIncBasePriorityPrivilege	3380	WMIC.exe
Token: SeCreatePagefilePrivilege	3380	WMIC.exe
Token: SeBackupPrivilege	3380	WMIC.exe
Token: SeRestorePrivilege	3380	WMIC.exe
Token: SeShutdownPrivilege	3380	WMIC.exe
Token: SeDebugPrivilege	3380	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3380	WMIC.exe
Token: SeRemoteShutdownPrivilege	3380	WMIC.exe
Token: SeUndockPrivilege	3380	WMIC.exe
Token: SeManageVolumePrivilege	3380	WMIC.exe
Token: 33	3380	WMIC.exe
Token: 34	3380	WMIC.exe
Token: 35	3380	WMIC.exe
Token: 36	3380	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1608	WMIC.exe
Token: SeSecurityPrivilege	1608	WMIC.exe
Token: SeTakeOwnershipPrivilege	1608	WMIC.exe
Token: SeLoadDriverPrivilege	1608	WMIC.exe
Token: SeSystemProfilePrivilege	1608	WMIC.exe
Token: SeSystemtimePrivilege	1608	WMIC.exe
Token: SeProfSingleProcessPrivilege	1608	WMIC.exe
Token: SeIncBasePriorityPrivilege	1608	WMIC.exe
Token: SeCreatePagefilePrivilege	1608	WMIC.exe
Token: SeBackupPrivilege	1608	WMIC.exe
Token: SeRestorePrivilege	1608	WMIC.exe
Token: SeShutdownPrivilege	1608	WMIC.exe
Token: SeDebugPrivilege	1608	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1608	WMIC.exe
Token: SeRemoteShutdownPrivilege	1608	WMIC.exe
Token: SeUndockPrivilege	1608	WMIC.exe
Token: SeManageVolumePrivilege	1608	WMIC.exe
Token: 33	1608	WMIC.exe
Token: 34	1608	WMIC.exe
Token: 35	1608	WMIC.exe
Token: 36	1608	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1608	WMIC.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 416 wrote to memory of 3492	416	java.exe	86
PID 416 wrote to memory of 3492	416	java.exe	86
PID 416 wrote to memory of 3852	416	java.exe	87
PID 416 wrote to memory of 3852	416	java.exe	87
PID 3492 wrote to memory of 324	3492	cmd.exe	90
PID 3492 wrote to memory of 324	3492	cmd.exe	90
PID 3852 wrote to memory of 4140	3852	java.exe	91
PID 3852 wrote to memory of 4140	3852	java.exe	91
PID 4140 wrote to memory of 3380	4140	cmd.exe	93
PID 4140 wrote to memory of 3380	4140	cmd.exe	93
PID 3852 wrote to memory of 1848	3852	java.exe	94
PID 3852 wrote to memory of 1848	3852	java.exe	94
PID 1848 wrote to memory of 1608	1848	cmd.exe	96
PID 1848 wrote to memory of 1608	1848	cmd.exe	96
PID 3852 wrote to memory of 4120	3852	java.exe	97
PID 3852 wrote to memory of 4120	3852	java.exe	97
PID 4120 wrote to memory of 4388	4120	cmd.exe	99
PID 4120 wrote to memory of 4388	4120	cmd.exe	99
PID 3852 wrote to memory of 2020	3852	java.exe	100
PID 3852 wrote to memory of 2020	3852	java.exe	100
PID 2020 wrote to memory of 2316	2020	cmd.exe	102
PID 2020 wrote to memory of 2316	2020	cmd.exe	102

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:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\PO06028jar.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:416
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO06028jar.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3492
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO06028jar.jar"
    3⤵
    - Creates scheduled task(s)
    PID:324
- C:\Program Files\Java\jre1.8.0_66\bin\java.exe
  "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\PO06028jar.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3852
- - 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:4140
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:3380
- - 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:1848
  - - 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:1608
- - 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:4120
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
      4⤵
      PID:4388
- - 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:2020
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
      4⤵
      PID:2316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

PO06028jar.jar

Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\PO06028jar.jar
Size 70KB
SHA256 98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3
MD5 1421b13fcff1ed8b4e8ed6d0ec1ef4ec
SHA1 7eb847e16c12dc9159e9f8a0b219926ddf9ec401
SHA512 c91c39cb5eea625ba59b60dc0dca227d84da68b36ad4c79e4dfa39f24fb70349b09b24132abbbfccb1a97439a883ed8d7121fcf119f7f7be106c675a37615e41
SSDEEP 1536:Mf9ewjOD9EgIKgngWmvpkPuH08DdgUFFVk1YSeY9UKihA4X9:CewlKdYPW0AvmYPYTihAo
MD5 SHA1 SHA512 SSDEEP

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90737d32e3aba4b.timestamp

Path C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
Size 50B
SHA256 d7d45026096bda9e2d8d4452c12904606c17be3f06632edd0ed6b891782e3a8d
MD5 4393959fec24417d7b85c9423fe8ba0b
SHA1 c8721a1548769313a58f3a1295d7bb4985c497b6
SHA512 c7d6414e3dc36039e0baf30e21b8e0da856eff4123f903d0831ae350989bb81629d2b8ecaa3ae169ce94427a26440ecea43f212f8ac1d866a3e61d82d5fe17e5
MD5 SHA1 SHA512

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PO06028jar.jar

Path C:\Users\Admin\AppData\Roaming\PO06028jar.jar
Size 70KB
SHA256 98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3
MD5 1421b13fcff1ed8b4e8ed6d0ec1ef4ec
SHA1 7eb847e16c12dc9159e9f8a0b219926ddf9ec401
SHA512 c91c39cb5eea625ba59b60dc0dca227d84da68b36ad4c79e4dfa39f24fb70349b09b24132abbbfccb1a97439a883ed8d7121fcf119f7f7be106c675a37615e41
SSDEEP 1536:Mf9ewjOD9EgIKgngWmvpkPuH08DdgUFFVk1YSeY9UKihA4X9:CewlKdYPW0AvmYPYTihAo
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/416-143-0x0000000002520000-0x0000000002521000-memory.dmp

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memory/3852-165-0x00000000025C0000-0x00000000025C1000-memory.dmp

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memory/3852-167-0x00000000025C0000-0x00000000025C1000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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