revengerat | cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99

General

Target

cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
Size

1.3MB
MD5

7942a88fb9b1069ff48db470aeef7090
SHA1

ec41b9cda8700220886a1ac028709c6ae69cf93c
SHA256

cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99
SHA512

0bdfd75db63f69648ce7bd5f9ee32efa030d3741dbbc23c0d81868ae3b0380b6a88b0f3109c250d740ad6fe67b65c3cd1f40a1af59c57f6f2194f77bd3649d1e
SSDEEP

24576:kq5TfcdHj4fmbpD2qB+Vf3oVGUG5y6zl8O3uXWVpA4yozB11:kUTsamRxAf3oVGUGfuXYAg

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
behavioral1/files/0x0008000000016d04-4.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2548	dmr_72.exe

Loads dropped DLL 4 IoCs

pid	Process
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2184-23-0x0000000000D30000-0x0000000000FF2000-memory.dmp	autoit_exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2184-0-0x0000000000D30000-0x0000000000FF2000-memory.dmp	upx
behavioral1/memory/2184-23-0x0000000000D30000-0x0000000000FF2000-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	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
2548	dmr_72.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2548	dmr_72.exe
2548	dmr_72.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2548	2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe	30
PID 2184 wrote to memory of 2548	2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe	30
PID 2184 wrote to memory of 2548	2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe	30
PID 2184 wrote to memory of 2548	2184	cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe	30

C:\Users\Admin\AppData\Local\Temp\cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe
"C:\Users\Admin\AppData\Local\Temp\cfd4319b50d6bfdad23a68f089b3d97dee2806360e9dee3816cc37cd2a99fe99N.exe"
1⤵
- Loads dropped DLL
- 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:2184
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -170038961 -chipderedesign -95b74d3ff5dd40ef8f0a0ce960ef14a9 - -BLUB2 -ufxomuuzahuqcbtd -2184
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

C:\Users\Admin\AppData\Local\Temp\DMR\ufxomuuzahuqcbtd.dat

Filesize
260B

MD5
42e1d178a19796b2736775c165eee77d

SHA1
531db50df6ef26c8efbeace2ca56671b9e0ab6ba

SHA256
9060d97a561641d6e45f5aa2812df97d07c5f46bc3e6b1e7781467a6aa665bf7

SHA512
4a1f6808cfb8bec624c7634fe80c0a22d062fee48f536c2edc74462458359d094372d1e09c1a5850b800a9c5670b93f6e904e404e58aa544cd9be118331bbd16

Download Submit
\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

Filesize
448KB

MD5
b4a0146baa90f5492ab02e870e85c409

SHA1
7b0ea47c654d906ae28fcb182eeb5a8c3bef4978

SHA256
d6587abcdb9ef01d5b6106566648a2a22fa900d1af7adb5f9fa0db831a01ee5a

SHA512
0fadeb7c52088cb7cafc0a1300ffb41ab18dfcfd50a17bfac07d8581964835af89b72188162f2c080b2da9ca9f0dd83733632b857fa6d6b388bee12be697bee2

Download Submit
memory/2184-23-0x0000000000D30000-0x0000000000FF2000-memory.dmp

Filesize
2.8MB

Download
memory/2184-0-0x0000000000D30000-0x0000000000FF2000-memory.dmp

Filesize
2.8MB

Download
memory/2548-22-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download
memory/2548-19-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download
memory/2548-20-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download
memory/2548-21-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download
memory/2548-17-0x0000000000200000-0x0000000000274000-memory.dmp

Filesize
464KB

Download
memory/2548-16-0x000007FEF5693000-0x000007FEF5694000-memory.dmp

Filesize
4KB

Download
memory/2548-24-0x000007FEF5693000-0x000007FEF5694000-memory.dmp

Filesize
4KB

Download
memory/2548-25-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download
memory/2548-26-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download
memory/2548-27-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download
memory/2548-28-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download
memory/2548-29-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download

Analysis

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