revengerat | c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863

General

Target

c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe
Size

905KB
MD5

0073dd7d5d41dc9c50e1935e745fcc80
SHA1

4f215b8f97468599a76974234b2ec93e162d50b0
SHA256

c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863
SHA512

76b9e8b58a37ce3dce89a057ff1361e021920c050da54bcfe1d20fbcbebe36d4b15e2c8af16ef963c7856586ea230647010d7aad0a29d8ced98249c1c5b23ed0
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5X:gh+ZkldoPK8YaKGX

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

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1380 set thread context of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30

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	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.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

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe
1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe
1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe
1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe
1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30
PID 1380 wrote to memory of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30
PID 1380 wrote to memory of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30
PID 1380 wrote to memory of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30
PID 1380 wrote to memory of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30
PID 1380 wrote to memory of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30
PID 1380 wrote to memory of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30
PID 1380 wrote to memory of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30
PID 1380 wrote to memory of 2100	1380	c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe	30

C:\Users\Admin\AppData\Local\Temp\c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.exe
"C:\Users\Admin\AppData\Local\Temp\c1f4251c6fc1f8cc22d93daaff1b8ec65aa9d43c06b562ffd77b1f803935e863N.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:1380
- 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:2100

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

memory/1380-0-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2100-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2100-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-9-0x0000000074592000-0x0000000074594000-memory.dmp

Filesize
8KB

Download
memory/2100-10-0x0000000074592000-0x0000000074594000-memory.dmp

Filesize
8KB

Download

Analysis

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