strrat | 98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
28/06/2023, 02:01

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General

Target

PO-06028.jar
Size

70KB
MD5

1421b13fcff1ed8b4e8ed6d0ec1ef4ec
SHA1

7eb847e16c12dc9159e9f8a0b219926ddf9ec401
SHA256

98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3
SHA512

c91c39cb5eea625ba59b60dc0dca227d84da68b36ad4c79e4dfa39f24fb70349b09b24132abbbfccb1a97439a883ed8d7121fcf119f7f7be106c675a37615e41
SSDEEP

1536:Mf9ewjOD9EgIKgngWmvpkPuH08DdgUFFVk1YSeY9UKihA4X9:CewlKdYPW0AvmYPYTihAo

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\PO-06028.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-1-5-21-3297628651-743815474-1126733160-1000\Software\Microsoft\Windows\CurrentVersion\Run\PO-06028 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO-06028.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO-06028 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO-06028.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
6	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
548	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1992	WMIC.exe
Token: SeSecurityPrivilege	1992	WMIC.exe
Token: SeTakeOwnershipPrivilege	1992	WMIC.exe
Token: SeLoadDriverPrivilege	1992	WMIC.exe
Token: SeSystemProfilePrivilege	1992	WMIC.exe
Token: SeSystemtimePrivilege	1992	WMIC.exe
Token: SeProfSingleProcessPrivilege	1992	WMIC.exe
Token: SeIncBasePriorityPrivilege	1992	WMIC.exe
Token: SeCreatePagefilePrivilege	1992	WMIC.exe
Token: SeBackupPrivilege	1992	WMIC.exe
Token: SeRestorePrivilege	1992	WMIC.exe
Token: SeShutdownPrivilege	1992	WMIC.exe
Token: SeDebugPrivilege	1992	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1992	WMIC.exe
Token: SeRemoteShutdownPrivilege	1992	WMIC.exe
Token: SeUndockPrivilege	1992	WMIC.exe
Token: SeManageVolumePrivilege	1992	WMIC.exe
Token: 33	1992	WMIC.exe
Token: 34	1992	WMIC.exe
Token: 35	1992	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1992	WMIC.exe
Token: SeSecurityPrivilege	1992	WMIC.exe
Token: SeTakeOwnershipPrivilege	1992	WMIC.exe
Token: SeLoadDriverPrivilege	1992	WMIC.exe
Token: SeSystemProfilePrivilege	1992	WMIC.exe
Token: SeSystemtimePrivilege	1992	WMIC.exe
Token: SeProfSingleProcessPrivilege	1992	WMIC.exe
Token: SeIncBasePriorityPrivilege	1992	WMIC.exe
Token: SeCreatePagefilePrivilege	1992	WMIC.exe
Token: SeBackupPrivilege	1992	WMIC.exe
Token: SeRestorePrivilege	1992	WMIC.exe
Token: SeShutdownPrivilege	1992	WMIC.exe
Token: SeDebugPrivilege	1992	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1992	WMIC.exe
Token: SeRemoteShutdownPrivilege	1992	WMIC.exe
Token: SeUndockPrivilege	1992	WMIC.exe
Token: SeManageVolumePrivilege	1992	WMIC.exe
Token: 33	1992	WMIC.exe
Token: 34	1992	WMIC.exe
Token: 35	1992	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1096	WMIC.exe
Token: SeSecurityPrivilege	1096	WMIC.exe
Token: SeTakeOwnershipPrivilege	1096	WMIC.exe
Token: SeLoadDriverPrivilege	1096	WMIC.exe
Token: SeSystemProfilePrivilege	1096	WMIC.exe
Token: SeSystemtimePrivilege	1096	WMIC.exe
Token: SeProfSingleProcessPrivilege	1096	WMIC.exe
Token: SeIncBasePriorityPrivilege	1096	WMIC.exe
Token: SeCreatePagefilePrivilege	1096	WMIC.exe
Token: SeBackupPrivilege	1096	WMIC.exe
Token: SeRestorePrivilege	1096	WMIC.exe
Token: SeShutdownPrivilege	1096	WMIC.exe
Token: SeDebugPrivilege	1096	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1096	WMIC.exe
Token: SeRemoteShutdownPrivilege	1096	WMIC.exe
Token: SeUndockPrivilege	1096	WMIC.exe
Token: SeManageVolumePrivilege	1096	WMIC.exe
Token: 33	1096	WMIC.exe
Token: 34	1096	WMIC.exe
Token: 35	1096	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1096	WMIC.exe
Token: SeSecurityPrivilege	1096	WMIC.exe
Token: SeTakeOwnershipPrivilege	1096	WMIC.exe
Token: SeLoadDriverPrivilege	1096	WMIC.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 1472	832	java.exe	28
PID 832 wrote to memory of 1472	832	java.exe	28
PID 832 wrote to memory of 1472	832	java.exe	28
PID 832 wrote to memory of 812	832	java.exe	29
PID 832 wrote to memory of 812	832	java.exe	29
PID 832 wrote to memory of 812	832	java.exe	29
PID 1472 wrote to memory of 548	1472	cmd.exe	30
PID 1472 wrote to memory of 548	1472	cmd.exe	30
PID 1472 wrote to memory of 548	1472	cmd.exe	30
PID 812 wrote to memory of 1148	812	java.exe	31
PID 812 wrote to memory of 1148	812	java.exe	31
PID 812 wrote to memory of 1148	812	java.exe	31
PID 1148 wrote to memory of 1992	1148	cmd.exe	32
PID 1148 wrote to memory of 1992	1148	cmd.exe	32
PID 1148 wrote to memory of 1992	1148	cmd.exe	32
PID 812 wrote to memory of 1884	812	java.exe	34
PID 812 wrote to memory of 1884	812	java.exe	34
PID 812 wrote to memory of 1884	812	java.exe	34
PID 1884 wrote to memory of 1096	1884	cmd.exe	35
PID 1884 wrote to memory of 1096	1884	cmd.exe	35
PID 1884 wrote to memory of 1096	1884	cmd.exe	35
PID 812 wrote to memory of 2020	812	java.exe	36
PID 812 wrote to memory of 2020	812	java.exe	36
PID 812 wrote to memory of 2020	812	java.exe	36
PID 2020 wrote to memory of 2000	2020	cmd.exe	37
PID 2020 wrote to memory of 2000	2020	cmd.exe	37
PID 2020 wrote to memory of 2000	2020	cmd.exe	37
PID 812 wrote to memory of 572	812	java.exe	38
PID 812 wrote to memory of 572	812	java.exe	38
PID 812 wrote to memory of 572	812	java.exe	38
PID 572 wrote to memory of 1564	572	cmd.exe	39
PID 572 wrote to memory of 1564	572	cmd.exe	39
PID 572 wrote to memory of 1564	572	cmd.exe	39

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:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\PO-06028.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\system32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO-06028.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO-06028.jar"
    3⤵
    - Creates scheduled task(s)
    PID:548
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\PO-06028.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:812
- - 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:1148
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1992
- - 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:1884
  - - 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:1096
- - 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:2020
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
      4⤵
      PID:2000
- - C:\Windows\system32\cmd.exe
    cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:572
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
      4⤵
      PID:1564

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

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\PO-06028.jar

Filesize
70KB

MD5
1421b13fcff1ed8b4e8ed6d0ec1ef4ec

SHA1
7eb847e16c12dc9159e9f8a0b219926ddf9ec401

SHA256
98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3

SHA512
c91c39cb5eea625ba59b60dc0dca227d84da68b36ad4c79e4dfa39f24fb70349b09b24132abbbfccb1a97439a883ed8d7121fcf119f7f7be106c675a37615e41

Download Submit
C:\Users\Admin\AppData\Roaming\PO-06028.jar

Filesize
70KB

MD5
1421b13fcff1ed8b4e8ed6d0ec1ef4ec

SHA1
7eb847e16c12dc9159e9f8a0b219926ddf9ec401

SHA256
98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3

SHA512
c91c39cb5eea625ba59b60dc0dca227d84da68b36ad4c79e4dfa39f24fb70349b09b24132abbbfccb1a97439a883ed8d7121fcf119f7f7be106c675a37615e41

Download Submit
memory/812-104-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/812-114-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/812-115-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/832-62-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/832-64-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads