revengerat | 88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677

General

Target

88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe
Size

904KB
MD5

41ef807a9927fb23e070f869befd679f
SHA1

04fe4566428103184562189e486df54c9f3011be
SHA256

88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677
SHA512

1358b47900020e1a0863a7421a50b55b5422357d47f742770bb6825f5e57addbbfdbdc2c67db6a63b7cb0110a8ab563863249c5321c597e0da14b4009f081693
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5o:gh+ZkldoPK8YaKGo

Score

10^/10

revengerat marzo26 discovery trojan

Malware Config

Extracted

Family

revengerat

Botnet

Marzo26

C2

marzorevenger.duckdns.org:4230

Mutex

RV_MUTEX-PiGGjjtnxDpn

Signatures

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

Drops startup file 1 IoCs

Processes:

88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe

description	pid	process	target process
PID 1552 set thread context of 4676	1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe	RegAsm.exe

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

Processes:

88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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

Processes:

RegAsm.exe

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4676 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4676	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe

pid	process
1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe
1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe
1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe

pid	process
1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe
1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe
1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe

description	pid	process	target process
PID 1552 wrote to memory of 4676	1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe	RegAsm.exe
PID 1552 wrote to memory of 4676	1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe	RegAsm.exe
PID 1552 wrote to memory of 4676	1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe	RegAsm.exe
PID 1552 wrote to memory of 4676	1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe	RegAsm.exe
PID 1552 wrote to memory of 4676	1552	88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe
"C:\Users\Admin\AppData\Local\Temp\88b242578335c6510b71de310043a02b67c0c1ef08a0a3da8592e26864272677.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4676

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

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Downloads

memory/1552-0-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download
memory/4676-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4676-5-0x0000000074292000-0x0000000074293000-memory.dmp

Filesize
4KB

Download
memory/4676-6-0x0000000074290000-0x0000000074841000-memory.dmp

Filesize
5.7MB

Download
memory/4676-7-0x0000000074290000-0x0000000074841000-memory.dmp

Filesize
5.7MB

Download
memory/4676-8-0x0000000074292000-0x0000000074293000-memory.dmp

Filesize
4KB

Download
memory/4676-9-0x0000000074290000-0x0000000074841000-memory.dmp

Filesize
5.7MB

Download
memory/4676-10-0x0000000074290000-0x0000000074841000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads