revengerat | e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339b

General

Target

e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe
Size

905KB
MD5

08fffac20458a046dd4173d04a36c540
SHA1

89077a3d76d8769a3d40b8f6d82e8a07723c3d51
SHA256

e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339b
SHA512

e58ca9735a414a56cff21f6bdad59b4cc3e6d37da0ce6f37d12f532a6ebec610cdf6a18f174a8ba476bcfa5130fc4adfc85c2a85115dac78a2261949e666ce91
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5h:gh+ZkldoPK8YaKGh

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	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2468 set thread context of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.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	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.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	1140	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe
2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe
2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe
2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe
2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe	30
PID 2468 wrote to memory of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe	30
PID 2468 wrote to memory of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe	30
PID 2468 wrote to memory of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe	30
PID 2468 wrote to memory of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe	30
PID 2468 wrote to memory of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe	30
PID 2468 wrote to memory of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe	30
PID 2468 wrote to memory of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe	30
PID 2468 wrote to memory of 1140	2468	e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe	30

C:\Users\Admin\AppData\Local\Temp\e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.exe
"C:\Users\Admin\AppData\Local\Temp\e5bd7d35855b5e459412ca15616c39bdcfd879497e4d0ef9020620b3fd23339bN.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:2468
- 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:1140

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/1140-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1140-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1140-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1140-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1140-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1140-9-0x0000000074222000-0x0000000074224000-memory.dmp

Filesize
8KB

Download
memory/1140-10-0x0000000074222000-0x0000000074224000-memory.dmp

Filesize
8KB

Download
memory/2468-0-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing