revengerat | 4f6242573cd5b7b50a3091449e2df40fa3005d14a0389931b948782d11ab27e9

General

Target

Client.exe
Size

111KB
MD5

688a4cb70081d9edb63c1c1aa41487e1
SHA1

3efe438b2b4a44f2dc7f02c6e1afe980e2a116d8
SHA256

4f6242573cd5b7b50a3091449e2df40fa3005d14a0389931b948782d11ab27e9
SHA512

4f5ef2d0538a3a38748d4c2378e15cd91bd0073ac28e093be7cb86a2d9ef29aaa667f07a516a169bd0e44ab09202914c8bdae9cf5cd1f5d543ebf3388222ad2b
SSDEEP

3072:0Bx88hg1dtEGiymTRNE18lEqtYDeQ9SYp1+:0w8OmTRNE14WDF7p1+

Score

10^/10

revengerat guest discovery trojan

Malware Config

Extracted

Family

revengerat

Botnet

Guest

C2

Pizd11337-26540.portmap.host:26540

Mutex

RV_MUTEX

Signatures

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1492 set thread context of 1712	1492	Client.exe	84
PID 1712 set thread context of 2760	1712	RegSvcs.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	RegSvcs.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	Client.exe
Token: SeDebugPrivilege	1712	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1712	1492	Client.exe	84
PID 1492 wrote to memory of 1712	1492	Client.exe	84
PID 1492 wrote to memory of 1712	1492	Client.exe	84
PID 1492 wrote to memory of 1712	1492	Client.exe	84
PID 1492 wrote to memory of 1712	1492	Client.exe	84
PID 1492 wrote to memory of 1712	1492	Client.exe	84
PID 1492 wrote to memory of 1712	1492	Client.exe	84
PID 1492 wrote to memory of 1712	1492	Client.exe	84
PID 1712 wrote to memory of 2760	1712	RegSvcs.exe	86
PID 1712 wrote to memory of 2760	1712	RegSvcs.exe	86
PID 1712 wrote to memory of 2760	1712	RegSvcs.exe	86
PID 1712 wrote to memory of 2760	1712	RegSvcs.exe	86
PID 1712 wrote to memory of 2760	1712	RegSvcs.exe	86
PID 1712 wrote to memory of 2760	1712	RegSvcs.exe	86
PID 1712 wrote to memory of 2760	1712	RegSvcs.exe	86
PID 1712 wrote to memory of 2760	1712	RegSvcs.exe	86

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1712
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

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\Temp\PtYBxGg.txt

Filesize
44B

MD5
bfbee1ccbe6981fafb1c7bff99680882

SHA1
3866c915b8a7e0592f8728c89faf6bb4d5ecf002

SHA256
74976c31c2c46d066f3d9a70fc73b3a7dd541d5a889a6644a59f09b53960a235

SHA512
6bb98708f97b426a6ef445681a9169671d084f1a876e6ff07b8c595add8f996509d5e003a04b1d58ca10332285df2686bec4e6b470f6b3f8a19e15be256dbd2e

Download Submit
memory/1492-0-0x00007FFC4B6C5000-0x00007FFC4B6C6000-memory.dmp

Filesize
4KB

Download
memory/1492-1-0x00007FFC4B410000-0x00007FFC4BDB1000-memory.dmp

Filesize
9.6MB

Download
memory/1492-2-0x000000001BD40000-0x000000001C20E000-memory.dmp

Filesize
4.8MB

Download
memory/1492-3-0x000000001C210000-0x000000001C2B6000-memory.dmp

Filesize
664KB

Download
memory/1492-4-0x000000001C390000-0x000000001C3F2000-memory.dmp

Filesize
392KB

Download
memory/1492-7-0x00007FFC4B410000-0x00007FFC4BDB1000-memory.dmp

Filesize
9.6MB

Download
memory/1712-9-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/1712-8-0x00000000751F2000-0x00000000751F3000-memory.dmp

Filesize
4KB

Download
memory/1712-12-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/1712-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1712-18-0x00000000751F2000-0x00000000751F3000-memory.dmp

Filesize
4KB

Download
memory/2760-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2760-13-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/2760-14-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/2760-17-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/2760-16-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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