revengerat | c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666

General

Target

c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe
Size

952KB
MD5

c77c741e59c96aa6eb9ff32bb28f7c13
SHA1

2b51d5c92e7d763033f3d9433c2168f2afeac696
SHA256

c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666
SHA512

a88c80ce0899e289648d53e5d9705e2b64866a30820ff0fa57ab54c5c92e65259e95774cb7f82a158e5431962446d6037a6ae59770e23bb20ed259362461846d
SSDEEP

24576:2AHnh+eWsN3skA4RV1HDm2KXMmHaKZT5e:Rh+ZkldDPK8YaKje

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	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2520-0-0x0000000000EC0000-0x0000000000FB3000-memory.dmp	autoit_exe
behavioral1/memory/2520-12-0x0000000000EC0000-0x0000000000FB3000-memory.dmp	autoit_exe
behavioral1/memory/2520-17-0x0000000000EC0000-0x0000000000FB3000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.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	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.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	2088	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe
2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe
2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe
2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe
2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe	30
PID 2520 wrote to memory of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe	30
PID 2520 wrote to memory of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe	30
PID 2520 wrote to memory of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe	30
PID 2520 wrote to memory of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe	30
PID 2520 wrote to memory of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe	30
PID 2520 wrote to memory of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe	30
PID 2520 wrote to memory of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe	30
PID 2520 wrote to memory of 2088	2520	c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe	30

C:\Users\Admin\AppData\Local\Temp\c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.exe
"C:\Users\Admin\AppData\Local\Temp\c4e4c659f36aef819028361a3debd3215f3cc997d30ded412a3a5e9bcaf64666.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:2520
- 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:2088

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/2088-2-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2088-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2088-10-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2088-9-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2088-4-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2088-11-0x00000000745E2000-0x00000000745E4000-memory.dmp

Filesize
8KB

Download
memory/2088-13-0x00000000745E2000-0x00000000745E4000-memory.dmp

Filesize
8KB

Download
memory/2520-0-0x0000000000EC0000-0x0000000000FB3000-memory.dmp

Filesize
972KB

Download
memory/2520-1-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2520-12-0x0000000000EC0000-0x0000000000FB3000-memory.dmp

Filesize
972KB

Download
memory/2520-17-0x0000000000EC0000-0x0000000000FB3000-memory.dmp

Filesize
972KB

Download

Analysis

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