revengerat | 38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

Resubmissions

04-12-2024 19:31

241204-x8wmhaxmcv 10

04-12-2024 11:47

04-12-2024 11:40

04-12-2024 11:35

03-12-2024 19:23

03-12-2024 16:27

Analysis

max time kernel
284s
max time network
305s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
04-12-2024 11:40

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General

Target

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
Size

1.1MB
MD5

82b5c0acec3a7946f002c9e555a7125f
SHA1

f48992935c658b5685fedc7c8d5ee4b12c19ba6a
SHA256

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7
SHA512

e802adf79040570783e77643b4b75853c61e583272aaafc85f7df29fc9b1b42d37753e172a6865082701fde423ce2aa3f19ab3e346126bf0ffb1fae3b360bbd0
SSDEEP

24576:9S3tM1EQlFuyzJlvD6gJWa7npqKp6hpKNAaQC:4zQlFfJ96WWa7806OYC

Score

10^/10

revengerat guest discovery trojan

Malware Config

Extracted

Family

revengerat

Botnet

Guest

178.17.174.71:3310

Mutex

RV_MUTEX-HxdYuaWVCGnhp

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat
Revengerat family
revengerat

Drops startup file 1 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msdtc.url	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

description	pid	Process	procid_target
PID 1404 set thread context of 1268	1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	77

Drops file in Windows directory 1 IoCs

Processes:

RegAsm.exe

description	ioc	Process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exeRegAsm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description	pid	Process
Token: SeDebugPrivilege	1268	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

pid	Process
1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

pid	Process
1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

description	pid	Process	procid_target
PID 1404 wrote to memory of 1268	1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	77
PID 1404 wrote to memory of 1268	1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	77
PID 1404 wrote to memory of 1268	1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	77
PID 1404 wrote to memory of 1268	1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	77
PID 1404 wrote to memory of 1268	1404	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	77

C:\Users\Admin\AppData\Local\Temp\cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
"C:\Users\Admin\AppData\Local\Temp\cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.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:1404
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1268-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1268-5-0x0000000073791000-0x0000000073792000-memory.dmp

Filesize
4KB

Download
memory/1268-6-0x0000000073790000-0x0000000073D41000-memory.dmp

Filesize
5.7MB

Download
memory/1268-7-0x0000000073790000-0x0000000073D41000-memory.dmp

Filesize
5.7MB

Download
memory/1268-8-0x0000000073790000-0x0000000073D41000-memory.dmp

Filesize
5.7MB

Download
memory/1404-0-0x0000000004170000-0x0000000004171000-memory.dmp

Filesize
4KB

Download