revengerat | 94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984d

General

Target

94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
Size

1.2MB
MD5

96443525ef3471652cfd7b712f7a3860
SHA1

4cf50a54c2126020db87fab1ca1052a12c13ab75
SHA256

94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984d
SHA512

166dc78dc08c7f35418d6b00dc2eb0d344617a6ff078205e877a927818376d878a56ec693999350ed1ab4047de1f1be80797bf0db28eb085b8b7ba4b2a1755dd
SSDEEP

24576:Wq5TfcdHj4fmbC3F2qGY+Ub5LMmWLui01KzGa+hLJoiLT6zeAfY:WUTsamGFxuLuiUJLJoiLT7

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/0x0008000000015db6-4.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
624	dmr_72.exe

Loads dropped DLL 4 IoCs

pid	Process
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1196-24-0x00000000009B0000-0x0000000000C44000-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/1196-0-0x00000000009B0000-0x0000000000C44000-memory.dmp	upx
behavioral1/memory/1196-24-0x00000000009B0000-0x0000000000C44000-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	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	624	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
624	dmr_72.exe
624	dmr_72.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 624	1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe	30
PID 1196 wrote to memory of 624	1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe	30
PID 1196 wrote to memory of 624	1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe	30
PID 1196 wrote to memory of 624	1196	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe	30

C:\Users\Admin\AppData\Local\Temp\94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
"C:\Users\Admin\AppData\Local\Temp\94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54384552 -chipderedesign -12fda0e72d7e417bb68015a09028a020 - -BLUB2 -mcgcggwbyuxxrdtd -1196
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:624

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\mcgcggwbyuxxrdtd.dat

Filesize
159B

MD5
8b3d37458cf3e95da05b67d617bea6ff

SHA1
b10332e0a65bf8fb04647edff101a8101b7f41c0

SHA256
c26446ceeec3a3e7269b77e8d131d30d9f535b296fcd28e6227f5a99edba241d

SHA512
131daa370e384cb0d7680483ab36b18417c5cc0035d91f4087e7925361e46f17c1712e169ea6e49403d21c77a17b2d3808d255c2bf616f4bd11e2a28ac7cf76e

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

Filesize
403KB

MD5
0e38c05d565ba4f647aa2619fc52f6b9

SHA1
cbe168e16739b086e91f3dfc6d8a052966284eea

SHA256
c016a6f3b11f1866d4ef2fcae810e29962407370f698558cc3c7a63f2b51a93a

SHA512
cbec0a5a471e6feb40603545d772b7b0ad3f6937dfca497f39a394644e26495807005117b6fb68b8d05c5d597e1dc66a59961e7eaaafcff1981779f838983407

Download Submit
memory/624-16-0x000007FEF5BF3000-0x000007FEF5BF4000-memory.dmp

Filesize
4KB

Download
memory/624-17-0x0000000001230000-0x000000000129A000-memory.dmp

Filesize
424KB

Download
memory/624-19-0x000007FEF5BF0000-0x000007FEF65DC000-memory.dmp

Filesize
9.9MB

Download
memory/624-20-0x000007FEF5BF0000-0x000007FEF65DC000-memory.dmp

Filesize
9.9MB

Download
memory/624-21-0x000007FEF5BF0000-0x000007FEF65DC000-memory.dmp

Filesize
9.9MB

Download
memory/624-22-0x000007FEF5BF0000-0x000007FEF65DC000-memory.dmp

Filesize
9.9MB

Download
memory/624-23-0x000007FEF5BF0000-0x000007FEF65DC000-memory.dmp

Filesize
9.9MB

Download
memory/624-25-0x000007FEF5BF0000-0x000007FEF65DC000-memory.dmp

Filesize
9.9MB

Download
memory/1196-0-0x00000000009B0000-0x0000000000C44000-memory.dmp

Filesize
2.6MB

Download
memory/1196-24-0x00000000009B0000-0x0000000000C44000-memory.dmp

Filesize
2.6MB

Download

Analysis

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