strrat | 2827cf7e0e7863202288f9735cfadde1dff2e6b271ba3ce50080a5b32cd97261

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31/05/2023, 08:11

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General

Target

Pago.jar
Size

70KB
MD5

6e6fb26ff6028ce18e7fb2956c9f934a
SHA1

8671bbe30e60569d8089323ceadad83088db0eb2
SHA256

2827cf7e0e7863202288f9735cfadde1dff2e6b271ba3ce50080a5b32cd97261
SHA512

cb09f7938571045395912112a87377a5c6de351fa7e75acdc651e4cb4a420cd25076b71f0442c05d777a3d9c34189040eaa5a8f709c2449567fa3c0aa27228f8
SSDEEP

1536:EDEJ5JDLCStQ5yc38E5a3Ptb7Ex+2e9ct5UNPJVvZ129UpmePF:lPDLUP38E5YPtbieIKLpkUkwF

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\Pago.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-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\Pago = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Pago.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pago = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Pago.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
4	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
2004	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1628	WMIC.exe
Token: SeSecurityPrivilege	1628	WMIC.exe
Token: SeTakeOwnershipPrivilege	1628	WMIC.exe
Token: SeLoadDriverPrivilege	1628	WMIC.exe
Token: SeSystemProfilePrivilege	1628	WMIC.exe
Token: SeSystemtimePrivilege	1628	WMIC.exe
Token: SeProfSingleProcessPrivilege	1628	WMIC.exe
Token: SeIncBasePriorityPrivilege	1628	WMIC.exe
Token: SeCreatePagefilePrivilege	1628	WMIC.exe
Token: SeBackupPrivilege	1628	WMIC.exe
Token: SeRestorePrivilege	1628	WMIC.exe
Token: SeShutdownPrivilege	1628	WMIC.exe
Token: SeDebugPrivilege	1628	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1628	WMIC.exe
Token: SeRemoteShutdownPrivilege	1628	WMIC.exe
Token: SeUndockPrivilege	1628	WMIC.exe
Token: SeManageVolumePrivilege	1628	WMIC.exe
Token: 33	1628	WMIC.exe
Token: 34	1628	WMIC.exe
Token: 35	1628	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1628	WMIC.exe
Token: SeSecurityPrivilege	1628	WMIC.exe
Token: SeTakeOwnershipPrivilege	1628	WMIC.exe
Token: SeLoadDriverPrivilege	1628	WMIC.exe
Token: SeSystemProfilePrivilege	1628	WMIC.exe
Token: SeSystemtimePrivilege	1628	WMIC.exe
Token: SeProfSingleProcessPrivilege	1628	WMIC.exe
Token: SeIncBasePriorityPrivilege	1628	WMIC.exe
Token: SeCreatePagefilePrivilege	1628	WMIC.exe
Token: SeBackupPrivilege	1628	WMIC.exe
Token: SeRestorePrivilege	1628	WMIC.exe
Token: SeShutdownPrivilege	1628	WMIC.exe
Token: SeDebugPrivilege	1628	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1628	WMIC.exe
Token: SeRemoteShutdownPrivilege	1628	WMIC.exe
Token: SeUndockPrivilege	1628	WMIC.exe
Token: SeManageVolumePrivilege	1628	WMIC.exe
Token: 33	1628	WMIC.exe
Token: 34	1628	WMIC.exe
Token: 35	1628	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1140	WMIC.exe
Token: SeSecurityPrivilege	1140	WMIC.exe
Token: SeTakeOwnershipPrivilege	1140	WMIC.exe
Token: SeLoadDriverPrivilege	1140	WMIC.exe
Token: SeSystemProfilePrivilege	1140	WMIC.exe
Token: SeSystemtimePrivilege	1140	WMIC.exe
Token: SeProfSingleProcessPrivilege	1140	WMIC.exe
Token: SeIncBasePriorityPrivilege	1140	WMIC.exe
Token: SeCreatePagefilePrivilege	1140	WMIC.exe
Token: SeBackupPrivilege	1140	WMIC.exe
Token: SeRestorePrivilege	1140	WMIC.exe
Token: SeShutdownPrivilege	1140	WMIC.exe
Token: SeDebugPrivilege	1140	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1140	WMIC.exe
Token: SeRemoteShutdownPrivilege	1140	WMIC.exe
Token: SeUndockPrivilege	1140	WMIC.exe
Token: SeManageVolumePrivilege	1140	WMIC.exe
Token: 33	1140	WMIC.exe
Token: 34	1140	WMIC.exe
Token: 35	1140	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1140	WMIC.exe
Token: SeSecurityPrivilege	1140	WMIC.exe
Token: SeTakeOwnershipPrivilege	1140	WMIC.exe
Token: SeLoadDriverPrivilege	1140	WMIC.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 648	1204	java.exe	29
PID 1204 wrote to memory of 648	1204	java.exe	29
PID 1204 wrote to memory of 648	1204	java.exe	29
PID 1204 wrote to memory of 1192	1204	java.exe	30
PID 1204 wrote to memory of 1192	1204	java.exe	30
PID 1204 wrote to memory of 1192	1204	java.exe	30
PID 648 wrote to memory of 2004	648	cmd.exe	31
PID 648 wrote to memory of 2004	648	cmd.exe	31
PID 648 wrote to memory of 2004	648	cmd.exe	31
PID 1192 wrote to memory of 928	1192	java.exe	32
PID 1192 wrote to memory of 928	1192	java.exe	32
PID 1192 wrote to memory of 928	1192	java.exe	32
PID 928 wrote to memory of 1628	928	cmd.exe	33
PID 928 wrote to memory of 1628	928	cmd.exe	33
PID 928 wrote to memory of 1628	928	cmd.exe	33
PID 1192 wrote to memory of 1548	1192	java.exe	35
PID 1192 wrote to memory of 1548	1192	java.exe	35
PID 1192 wrote to memory of 1548	1192	java.exe	35
PID 1548 wrote to memory of 1140	1548	cmd.exe	36
PID 1548 wrote to memory of 1140	1548	cmd.exe	36
PID 1548 wrote to memory of 1140	1548	cmd.exe	36
PID 1192 wrote to memory of 1416	1192	java.exe	37
PID 1192 wrote to memory of 1416	1192	java.exe	37
PID 1192 wrote to memory of 1416	1192	java.exe	37
PID 1416 wrote to memory of 1704	1416	cmd.exe	38
PID 1416 wrote to memory of 1704	1416	cmd.exe	38
PID 1416 wrote to memory of 1704	1416	cmd.exe	38
PID 1192 wrote to memory of 1376	1192	java.exe	39
PID 1192 wrote to memory of 1376	1192	java.exe	39
PID 1192 wrote to memory of 1376	1192	java.exe	39
PID 1376 wrote to memory of 1424	1376	cmd.exe	40
PID 1376 wrote to memory of 1424	1376	cmd.exe	40
PID 1376 wrote to memory of 1424	1376	cmd.exe	40

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\Pago.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\system32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Pago.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:648
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Pago.jar"
    3⤵
    - Creates scheduled task(s)
    PID:2004
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Pago.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1192
- - 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:928
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1628
- - 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:1548
  - - 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:1140
- - 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:1416
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
      4⤵
      PID:1704
- - 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:1376
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
      4⤵
      PID:1424

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\Pago.jar

Filesize
70KB

MD5
6e6fb26ff6028ce18e7fb2956c9f934a

SHA1
8671bbe30e60569d8089323ceadad83088db0eb2

SHA256
2827cf7e0e7863202288f9735cfadde1dff2e6b271ba3ce50080a5b32cd97261

SHA512
cb09f7938571045395912112a87377a5c6de351fa7e75acdc651e4cb4a420cd25076b71f0442c05d777a3d9c34189040eaa5a8f709c2449567fa3c0aa27228f8

Download Submit
C:\Users\Admin\AppData\Roaming\Pago.jar

Filesize
70KB

MD5
6e6fb26ff6028ce18e7fb2956c9f934a

SHA1
8671bbe30e60569d8089323ceadad83088db0eb2

SHA256
2827cf7e0e7863202288f9735cfadde1dff2e6b271ba3ce50080a5b32cd97261

SHA512
cb09f7938571045395912112a87377a5c6de351fa7e75acdc651e4cb4a420cd25076b71f0442c05d777a3d9c34189040eaa5a8f709c2449567fa3c0aa27228f8

Download Submit
memory/1192-80-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1204-63-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads