revengerat | a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd

General

Target

a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
Size

904KB
MD5

6afa0d6183c60c6a9193cf00d89ee6fd
SHA1

be00bee3d8d7751575ac099307102ed5d28fe6d3
SHA256

a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd
SHA512

2f2f57ba50fa1d7738748ffeaf166bec1eb3e2da1973c5ae8b28ca063bed409bee3fe23759c4c599be64c01953ef5353ecbbbbc421692d18f81cde2a7dbf46d3
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5/:gh+ZkldoPK8YaKG/

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	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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	1088	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	31
PID 2328 wrote to memory of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	31
PID 2328 wrote to memory of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	31
PID 2328 wrote to memory of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	31
PID 2328 wrote to memory of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	31
PID 2328 wrote to memory of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	31
PID 2328 wrote to memory of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	31
PID 2328 wrote to memory of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	31
PID 2328 wrote to memory of 1088	2328	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	31

C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
"C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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:2328
- 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:1088

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/1088-1-0x00000000000A0000-0x00000000000A8000-memory.dmp

Filesize
32KB

Download
memory/1088-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1088-9-0x00000000000A0000-0x00000000000A8000-memory.dmp

Filesize
32KB

Download
memory/1088-8-0x00000000000A0000-0x00000000000A8000-memory.dmp

Filesize
32KB

Download
memory/1088-3-0x00000000000A0000-0x00000000000A8000-memory.dmp

Filesize
32KB

Download
memory/1088-10-0x0000000073D72000-0x0000000073D74000-memory.dmp

Filesize
8KB

Download
memory/1088-11-0x0000000073D72000-0x0000000073D74000-memory.dmp

Filesize
8KB

Download
memory/2328-0-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download

Analysis

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