revengerat | b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708

General

Target

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
Size

904KB
MD5

631006c8c57f155072ad7a043cd6c730
SHA1

5c6cbf725d70f15f54de1ef85627a2c53a6283a9
SHA256

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708
SHA512

05635e5cc9b97eacd39badf768a9286e680b0d8f3ab993898b8b8087dcb4029ea7f46ae84fa196f1a46e1b45e05d8f7b840b4e0485880c2f563b88d2fa0e7480
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5A:gh+ZkldoPK8YaKGA

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:

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

description	pid	Process	procid_target
PID 2504 set thread context of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.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

Processes:

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exeRegAsm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.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 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

Processes:

RegAsm.exe

description	pid	Process
Token: SeDebugPrivilege	2008	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

pid	Process
2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

pid	Process
2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

description	pid	Process	procid_target
PID 2504 wrote to memory of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	30
PID 2504 wrote to memory of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	30
PID 2504 wrote to memory of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	30
PID 2504 wrote to memory of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	30
PID 2504 wrote to memory of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	30
PID 2504 wrote to memory of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	30
PID 2504 wrote to memory of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	30
PID 2504 wrote to memory of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	30
PID 2504 wrote to memory of 2008	2504	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	30

C:\Users\Admin\AppData\Local\Temp\b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
"C:\Users\Admin\AppData\Local\Temp\b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.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:2504
- 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:2008

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/2008-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2008-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2008-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2008-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2008-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2008-9-0x0000000073D92000-0x0000000073D94000-memory.dmp

Filesize
8KB

Download
memory/2008-10-0x0000000073D92000-0x0000000073D94000-memory.dmp

Filesize
8KB

Download
memory/2504-0-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads