revengerat | 877c20737b066f465e7fc9bdfebf63fe7290569cb8bc6487fbc7309cde2a71eb

General

Target

JaffaCakes118_f41dd24943f187032c28c2065c2e1150.exe
Size

56KB
MD5

f41dd24943f187032c28c2065c2e1150
SHA1

a6b0d8ba4e0f78fb5ed746b3046fad5a41caa01b
SHA256

877c20737b066f465e7fc9bdfebf63fe7290569cb8bc6487fbc7309cde2a71eb
SHA512

a366418c29077612f7b06bea12c9fee5f9a65570caa40a522720c69285e47c0ea69d755a519702d5a00d4fe88a1dacb3f5247f1d12a2430469d411be008e305a
SSDEEP

768:wOs84zLDN05Wx4Wa4F3Gxo/ppQMlzEjKK19dGA2To:D4PRlCWz3CoRpQMlqb1+M

Score

10^/10

revengerat discovery persistence stealer trojan

Malware Config

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat
Revengerat family
revengerat

RevengeRat Executable 1 IoCs

stealer

resource	yara_rule
behavioral2/files/0x0008000000023ca9-10.dat	revengerat

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_f41dd24943f187032c28c2065c2e1150.exe

Drops startup file 8 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32helper	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32helper	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32helper.vbs	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32helper.js	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32helper.lnk	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32helper.URL	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32helper	vbc.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32helper.exe	vbc.exe

Executes dropped EXE 2 IoCs

pid	Process
3856	svchost.exe
2200	svchost.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\History\\svchost.exe"	svchost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f41dd24943f187032c28c2065c2e1150.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
5004	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3148	JaffaCakes118_f41dd24943f187032c28c2065c2e1150.exe
Token: SeDebugPrivilege	3856	svchost.exe
Token: SeDebugPrivilege	2200	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 3856	3148	JaffaCakes118_f41dd24943f187032c28c2065c2e1150.exe	99
PID 3148 wrote to memory of 3856	3148	JaffaCakes118_f41dd24943f187032c28c2065c2e1150.exe	99
PID 3148 wrote to memory of 3856	3148	JaffaCakes118_f41dd24943f187032c28c2065c2e1150.exe	99
PID 3856 wrote to memory of 4452	3856	svchost.exe	101
PID 3856 wrote to memory of 4452	3856	svchost.exe	101
PID 3856 wrote to memory of 4452	3856	svchost.exe	101
PID 4452 wrote to memory of 916	4452	vbc.exe	103
PID 4452 wrote to memory of 916	4452	vbc.exe	103
PID 4452 wrote to memory of 916	4452	vbc.exe	103
PID 3856 wrote to memory of 5004	3856	svchost.exe	104
PID 3856 wrote to memory of 5004	3856	svchost.exe	104
PID 3856 wrote to memory of 5004	3856	svchost.exe	104

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f41dd24943f187032c28c2065c2e1150.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f41dd24943f187032c28c2065c2e1150.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe
  "C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3856
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\lejap92z.cmdline"
    3⤵
    - Drops startup file
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4452
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES95D2.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcB180F71FAB54CA0BEC7DC971A8DF0BE.TMP"
      4⤵
      System Location Discovery: System Language Discovery
      PID:916
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5004

C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe
C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe

Filesize
56KB

MD5
f41dd24943f187032c28c2065c2e1150

SHA1
a6b0d8ba4e0f78fb5ed746b3046fad5a41caa01b

SHA256
877c20737b066f465e7fc9bdfebf63fe7290569cb8bc6487fbc7309cde2a71eb

SHA512
a366418c29077612f7b06bea12c9fee5f9a65570caa40a522720c69285e47c0ea69d755a519702d5a00d4fe88a1dacb3f5247f1d12a2430469d411be008e305a

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES95D2.tmp

Filesize
1KB

MD5
9cfa39a696eb06cc2fb0d967fc55078b

SHA1
f4e5d863971fa9ee080396aadfe79e895a539e3e

SHA256
77090d5b66d343c41c3cd147eef929383cb72f5ff183c0a6e4a905acb30643a8

SHA512
e9b61e13b28298a3aff2221351eb83a7f9215f2b396cb70f15a617c3bb9d889034add1a67df98acf908fac9061df3fc00a43e8372e239e160f56b3724543be10

Download Submit
C:\Users\Admin\AppData\Local\Temp\lejap92z.0.vb

Filesize
175B

MD5
926bad7c6f2ddbd75807351fd5c20585

SHA1
1fc89b5d7d40ff92832a29da8c3fc2dcea6baeab

SHA256
87e2f6e2b61abdb0b4b63243f060c8376503ef544d24726f0098f6d38ef85f91

SHA512
6684eb60afac6258299d6c8406ea3a6ccda603a60d3a780d6d397c0ae27b62191ed0abd3cefb107aad55cf17d3c4fee0cbac8a96027d2086828c3ca6221a81ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\lejap92z.cmdline

Filesize
198B

MD5
90264f58382e587bab6c7d20d6bc8044

SHA1
2fc9b78f823712c13e0667bfa7325e0d6fe2922a

SHA256
7e6b4ac16880b594f9f9f27f28a47d8089a711a763b3a20ec12f99faab649136

SHA512
ca5e0187fe728c673cd5e502e06b1ef1594e31d2cb35105d08eb099180076471ed086e2273d06055d9d53af9d8ce595185551c9701de119ad654b5d97a442c39

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcB180F71FAB54CA0BEC7DC971A8DF0BE.TMP

Filesize
676B

MD5
6c51e75b6e74d5d4c93ad5da8b15790e

SHA1
0f2f268d354c03fb11ac6b5548650de793583535

SHA256
a646a41cad107940e782bd4ccc785772521bd03851e65684defcc70bcab85995

SHA512
b9451ce5d60f4ce3b898cc9f5696d4a2146de5805f4fa36f055eb6a3d2176ec7818c8736712e51f64a4b02af0584ceac5c3f3bcb84918b01e4df0244ff42cbda

Download Submit
memory/3148-1-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3148-2-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3148-3-0x00000000750D2000-0x00000000750D3000-memory.dmp

Filesize
4KB

Download
memory/3148-4-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3148-5-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3148-0-0x00000000750D2000-0x00000000750D3000-memory.dmp

Filesize
4KB

Download
memory/3148-20-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3856-18-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3856-21-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3856-17-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4452-36-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4452-45-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads