revengerat | e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1

General

Target

e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
Size

904KB
MD5

a1722d25cab94cb04d0ce79e201f52b0
SHA1

6532eb620e97a09e95c836b33d314bb7dffcc9d6
SHA256

e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1
SHA512

453f7e5b3bc494ddf62e0059e2a1e027946cb5cbe74f1d4a79b67490bcb60775806ecf47fe7ea3933c344a78f167fa27ac548fd5f7140a19f775ead10df328b8
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa54:gh+ZkldoPK8YaKG4

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	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29

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	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.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	2028	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29
PID 2280 wrote to memory of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29
PID 2280 wrote to memory of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29
PID 2280 wrote to memory of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29
PID 2280 wrote to memory of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29
PID 2280 wrote to memory of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29
PID 2280 wrote to memory of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29
PID 2280 wrote to memory of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29
PID 2280 wrote to memory of 2028	2280	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	29

C:\Users\Admin\AppData\Local\Temp\e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
"C:\Users\Admin\AppData\Local\Temp\e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.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:2280
- 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:2028

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/2028-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2028-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2028-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2028-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2028-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2028-9-0x0000000074702000-0x0000000074704000-memory.dmp

Filesize
8KB

Download
memory/2028-10-0x0000000074702000-0x0000000074704000-memory.dmp

Filesize
8KB

Download
memory/2280-0-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download

Analysis

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