revengerat | 243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b

General

Target

243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe
Size

1.4MB
MD5

a0327a3dfc3fde27d2f30aac93738df4
SHA1

687e6c50b2bd9b363a6ba369ae912093fd64f3ad
SHA256

243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b
SHA512

009a9ca43a785a29adf84d79997bcd7e5b565e9bc0d49f61ac2ec1603636e18184fc378abcaebfe322c9d49f8b147e3430e8096353ad1c4ee1723e871aab130a
SSDEEP

24576:kq5TfcdHj4fmb9Ve9l2qEK26wQzLMnUAFFIfHWEzKJ9TtrWgXiFurFtW0zQJ9Ttw:kUTsamC9lx6FB5lFI5w

Score

10^/10

revengerat discovery stealer trojan upx

Malware Config

Signatures

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

RevengeRat Executable 1 IoCs

stealer

resource	yara_rule
behavioral2/files/0x000a000000023baf-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe

Executes dropped EXE 1 IoCs

pid	Process
2564	dmr_72.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4380-20-0x00000000000E0000-0x00000000003DD000-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/4380-0-0x00000000000E0000-0x00000000003DD000-memory.dmp	upx
behavioral2/memory/4380-20-0x00000000000E0000-0x00000000003DD000-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	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe
4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe
4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe
4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe
4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe
4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2564	dmr_72.exe
2564	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 2564	4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe	82
PID 4380 wrote to memory of 2564	4380	243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe	82

C:\Users\Admin\AppData\Local\Temp\243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.exe
"C:\Users\Admin\AppData\Local\Temp\243accf84fe12f5240a208450e2a7731754c371e7ec4ba5a029f1f276d7f149b.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:4380
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54389916 -chipderedesign -e3f92df32818495caaad10520d2023a2 - -BLUB2 -osaiapsojfxhhaze -4380
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2564

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
3c6bc1b7a85f5fda2926b0b3b3548e30

SHA1
928a536fbff196495b90e4bd51b932485b84a099

SHA256
5a681e3de52b6d99d3ed2d106df0d9d70f51c38abc380d7fadd9b89756487375

SHA512
e893d9c5423a4dce106844e85c10131ae57677369f9b34dca181f5110d7611e6c4a1d5eaf14e0ae19b1fa506f69eedc99a56bb06a17ab4c5b4c6451e49c382dc

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

Filesize
165B

MD5
9f32b66140d7e278806ce97686f5d45a

SHA1
24cbef0687b7201842b605c7e705bfeb799dd303

SHA256
5e9e8d8211e8dd39e195b59a866838572e355cdb615a54b041633f74e06e2e2e

SHA512
eec4d5966dd0f914eb5fb9d26880e398cd03e8b3bcb15f4a6ac2561f4718328ceefc34cee7693c90d7a2569ae824ef54569777835dced583cd95226a48bb7701

Download Submit
memory/2564-13-0x00007FF9430B3000-0x00007FF9430B5000-memory.dmp

Filesize
8KB

Download
memory/2564-14-0x00000000002C0000-0x0000000000344000-memory.dmp

Filesize
528KB

Download
memory/2564-16-0x00007FF9430B0000-0x00007FF943B71000-memory.dmp

Filesize
10.8MB

Download
memory/2564-17-0x00007FF9430B0000-0x00007FF943B71000-memory.dmp

Filesize
10.8MB

Download
memory/2564-18-0x00007FF9430B0000-0x00007FF943B71000-memory.dmp

Filesize
10.8MB

Download
memory/2564-19-0x00007FF9430B0000-0x00007FF943B71000-memory.dmp

Filesize
10.8MB

Download
memory/2564-22-0x00007FF9430B0000-0x00007FF943B71000-memory.dmp

Filesize
10.8MB

Download
memory/4380-0-0x00000000000E0000-0x00000000003DD000-memory.dmp

Filesize
3.0MB

Download
memory/4380-20-0x00000000000E0000-0x00000000003DD000-memory.dmp

Filesize
3.0MB

Download

Analysis

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