revengerat | a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b

General

Target
a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe
Size 905KB
Sample241219-bmdc5szphx
SHA256 a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b
MD5 f2c4eb24189373ad98e7e10d9ec03507
SHA1 cdaed7a8ae1d8032f0ae6ce3922fd42b5d244cf2
SHA512 fe2a00acbcbc7671c88dddea3cd01c08b629a61c795e7bc03d7aa6d1c70eb0c12ee5a11845a4023374306dbdc184f556963d7e333fe892e6f4b2512e56d3096f
SSDEEP 24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5e:gh+ZkldoPK8YaKGe
MD5 SHA1 SHA512 SSDEEP

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	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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	2572	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe
2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe
2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe
2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe
2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe	30
PID 2400 wrote to memory of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe	30
PID 2400 wrote to memory of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe	30
PID 2400 wrote to memory of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe	30
PID 2400 wrote to memory of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe	30
PID 2400 wrote to memory of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe	30
PID 2400 wrote to memory of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe	30
PID 2400 wrote to memory of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe	30
PID 2400 wrote to memory of 2572	2400	a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe	30

C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe
"C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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:2400
- 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:2572

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/2400-0-0x0000000000120000-0x0000000000121000-memory.dmp

Download

memory/2572-1-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/2572-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2572-8-0x0000000000400000-0x0000000000408000-memory.dmp

Download

memory/2572-7-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/2572-2-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/2572-9-0x0000000073A82000-0x0000000073A84000-memory.dmp

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memory/2572-10-0x0000000073A82000-0x0000000073A84000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads