revengerat | 28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3

General

Target

28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe
Size

903KB
MD5

e13f9115a7020fab82edb50408dd9ef0
SHA1

41da2912716ec28999494103ec38785231b4f143
SHA256

28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3
SHA512

029f0487cf5ef31ec4b3a366b0a531d966a2813cdfcabf29e67d28ab653147e083fcd7c8283d3c378ec7cae008dacaec32ffbd9e00b6811a38bcc3afadd52a80
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5x:gh+ZkldoPK8YaKGx

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:

28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe

description	pid	process	target process
PID 4164 set thread context of 3288	4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe	RegAsm.exe

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:

28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.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 3288 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3288	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe

pid	process
4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe
4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe
4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe

pid	process
4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe
4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe
4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe

description	pid	process	target process
PID 4164 wrote to memory of 3288	4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe	RegAsm.exe
PID 4164 wrote to memory of 3288	4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe	RegAsm.exe
PID 4164 wrote to memory of 3288	4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe	RegAsm.exe
PID 4164 wrote to memory of 3288	4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe	RegAsm.exe
PID 4164 wrote to memory of 3288	4164	28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.exe
"C:\Users\Admin\AppData\Local\Temp\28b565a813b2920d60f918e89d9a441d9ba61a3382df1c5eaa6c0139f2070ce3N.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:4164
- 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:3288

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

Loading Replay Monitor...

Downloads

memory/3288-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3288-5-0x00000000736D2000-0x00000000736D3000-memory.dmp

Filesize
4KB

Download
memory/3288-6-0x00000000736D0000-0x0000000073C81000-memory.dmp

Filesize
5.7MB

Download
memory/3288-7-0x00000000736D0000-0x0000000073C81000-memory.dmp

Filesize
5.7MB

Download
memory/3288-8-0x00000000736D2000-0x00000000736D3000-memory.dmp

Filesize
4KB

Download
memory/3288-9-0x00000000736D0000-0x0000000073C81000-memory.dmp

Filesize
5.7MB

Download
memory/3288-10-0x00000000736D0000-0x0000000073C81000-memory.dmp

Filesize
5.7MB

Download
memory/4164-0-0x0000000004080000-0x0000000004081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads