revengerat | a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6

General

Target

a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe
Size

904KB
MD5

172fdbc1bb1e2e637d1884a39271d1d0
SHA1

272ba54b53e0a49c42da0b37ad657ba9767db10d
SHA256

a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6
SHA512

3222093e0184bd623f538e229c077a2dde7c55c76b8711c8fa4dc2ae0cbe3243bded5b50dea801b4b8b7b8475ddc052eda0d9ad83ad8400d934787bdaa036f05
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa51:gh+ZkldoPK8YaKG1

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	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31

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	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe
1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe
1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe
1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe
1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31
PID 1992 wrote to memory of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31
PID 1992 wrote to memory of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31
PID 1992 wrote to memory of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31
PID 1992 wrote to memory of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31
PID 1992 wrote to memory of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31
PID 1992 wrote to memory of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31
PID 1992 wrote to memory of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31
PID 1992 wrote to memory of 2316	1992	a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe	31

C:\Users\Admin\AppData\Local\Temp\a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.exe
"C:\Users\Admin\AppData\Local\Temp\a2387a12f3da6d0627c8526b2beefccf42e3297c1d82ac4443b58445f9f3c4d6N.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:1992
- 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:2316

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/1992-0-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2316-1-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2316-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-3-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2316-9-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2316-8-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2316-10-0x00000000749E2000-0x00000000749E4000-memory.dmp

Filesize
8KB

Download
memory/2316-11-0x00000000749E2000-0x00000000749E4000-memory.dmp

Filesize
8KB

Download

Analysis

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