revengerat | 3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446

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

stealer

resource	yara_rule
behavioral2/files/0x000800000002355f-6.dat	revengerat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	dmr_72.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1056-21-0x0000000000600000-0x00000000008FD000-memory.dmp	autoit_exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1056-0-0x0000000000600000-0x00000000008FD000-memory.dmp	upx
behavioral2/memory/1056-21-0x0000000000600000-0x00000000008FD000-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.

discovery

System Language Discovery

T1614.001

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1800	dmr_72.exe
1800	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 1800	1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe	87
PID 1056 wrote to memory of 1800	1056	3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe	87

C:\Users\Admin\AppData\Local\Temp\3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe
"C:\Users\Admin\AppData\Local\Temp\3a6e2de5b3de6e67229b11f6d74a4f9af70ccec85c2573a905df5a1f84a35446.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1056
- 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 -slyezjuequtpckfs -1056
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1800

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4372,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=3800 /prefetch:8
1⤵
PID:892

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

2

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

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\slyezjuequtpckfs.dat

Filesize
161B

MD5
c800879c1c73dbbb198fc42669646aa7

SHA1
ab63307099961d43ebb2b64809b7f39d030bab7b

SHA256
4c4dd62b579e43dc1c4cf859299df3023409492281f173bc5c3d2cc00bb782d7

SHA512
0bc20e0c61f46a6c8eb0d8c276edc1f1901ac2f2800199d78490ba0b3c096e4cbf08a175ee19f663d7c13d56e7b6852f32478ea6c85f7829f6fd2880023213df

Download Submit
memory/1056-0-0x0000000000600000-0x00000000008FD000-memory.dmp

Filesize
3.0MB

Download
memory/1056-21-0x0000000000600000-0x00000000008FD000-memory.dmp

Filesize
3.0MB

Download
memory/1800-13-0x00007FF889263000-0x00007FF889265000-memory.dmp

Filesize
8KB

Download
memory/1800-14-0x0000000000110000-0x0000000000194000-memory.dmp

Filesize
528KB

Download
memory/1800-16-0x00007FF889260000-0x00007FF889D21000-memory.dmp

Filesize
10.8MB

Download
memory/1800-17-0x00007FF889260000-0x00007FF889D21000-memory.dmp

Filesize
10.8MB

Download
memory/1800-18-0x00007FF889260000-0x00007FF889D21000-memory.dmp

Filesize
10.8MB

Download
memory/1800-19-0x00007FF889260000-0x00007FF889D21000-memory.dmp

Filesize
10.8MB

Download
memory/1800-23-0x00007FF889260000-0x00007FF889D21000-memory.dmp

Filesize
10.8MB

Download

Analysis

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