revengerat | 3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446 | Triage

Analysis

max time kernel
134s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
28-09-2024 10:07

Sharing

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General

Target

3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
Size

1.4MB
MD5

5673c04d81969a6603184069b6846213
SHA1

49fdd9c69f1c281d94486029dfaa5108dfc168bf
SHA256

3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446
SHA512

c381630f7c9c72ca538679bef37b9e966ec2f906bd5eb36a42069e3742ddd57bd958d867ede257edc3244e40fa3a6c65c10cddd07dddfd89cc2085eef13291cb
SSDEEP

24576:rq5TfcdHj4fmb9Ve9u2qTPIMeYyBMLlQjzCEzKJ9TtLzCwn1jAh0zQJ9TtDRli:rUTsamC9uxKjY5x1jAF5i

Score

10^/10

revengerat discovery stealer trojan upx

Malware Config

Signatures

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

RevengeRat Executable 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe	revengerat

Executes dropped EXE 1 IoCs

Processes:

dmr_72.exe

pid process

216 dmr_72.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/4360-12-0x0000000000E10000-0x000000000110D000-memory.dmp	autoit_exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

Processes:

resource	yara_rule
behavioral1/memory/4360-0-0x0000000000E10000-0x000000000110D000-memory.dmp	upx
behavioral1/memory/4360-12-0x0000000000E10000-0x000000000110D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

System Language Discovery

Processes:

3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

pid	process
4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

pid process

4360 3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

dmr_72.exe

description pid process

Token: SeDebugPrivilege 216 dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

pid	process
4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

pid	process
4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

dmr_72.exe

pid process

216 dmr_72.exe
216 dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

description	pid	process	target process
PID 4360 wrote to memory of 216	4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe	dmr_72.exe
PID 4360 wrote to memory of 216	4360	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe	dmr_72.exe

C:\Users\Admin\AppData\Local\Temp\3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
"C:\Users\Admin\AppData\Local\Temp\3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4360
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54417509 -chipderedesign -a80c61fa351a416282afb39d6c109d6c - -BLUB2 -xrxrdwnjdbvgheeo -4360
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

Filesize
508KB

MD5
da9e9a98a7cf8da14f9e3c9973328fb7

SHA1
42e37cbfa37877d247ebd37d9553cb6224d6bee6

SHA256
c1116053bbac19ab273dc120c2984c235d116cdcc9e3ac437951b55465fd7063

SHA512
ce98f1984a3db301df7c1078dc6014fc1a03a1643c5635ef59775ee8019fbae4e07c16e99ec3d1998f45947d57493ada96e5116c359a590b14573833eec17343

Download Submit
C:\Users\Admin\AppData\Local\Temp\DMR\xrxrdwnjdbvgheeo.dat

Filesize
161B

MD5
c800879c1c73dbbb198fc42669646aa7

SHA1
ab63307099961d43ebb2b64809b7f39d030bab7b

SHA256
4c4dd62b579e43dc1c4cf859299df3023409492281f173bc5c3d2cc00bb782d7

SHA512
0bc20e0c61f46a6c8eb0d8c276edc1f1901ac2f2800199d78490ba0b3c096e4cbf08a175ee19f663d7c13d56e7b6852f32478ea6c85f7829f6fd2880023213df

Download Submit
memory/216-7-0x00007FFA675E3000-0x00007FFA675E4000-memory.dmp

Filesize
4KB

Download
memory/216-8-0x0000000000490000-0x0000000000514000-memory.dmp

Filesize
528KB

Download
memory/216-10-0x00007FFA675E0000-0x00007FFA67FCC000-memory.dmp

Filesize
9.9MB

Download
memory/216-11-0x00007FFA675E0000-0x00007FFA67FCC000-memory.dmp

Filesize
9.9MB

Download
memory/216-13-0x00007FFA675E0000-0x00007FFA67FCC000-memory.dmp

Filesize
9.9MB

Download
memory/216-14-0x00007FFA675E0000-0x00007FFA67FCC000-memory.dmp

Filesize
9.9MB

Download
memory/216-16-0x00007FFA675E0000-0x00007FFA67FCC000-memory.dmp

Filesize
9.9MB

Download
memory/4360-0-0x0000000000E10000-0x000000000110D000-memory.dmp

Filesize
3.0MB

Download
memory/4360-12-0x0000000000E10000-0x000000000110D000-memory.dmp

Filesize
3.0MB

Download