revengerat | 3c4f09f050cd08b3538ea6bd0a2a0a543bab2c58b299b214a9c3161d7c53a537

General

Target

6ed1f348fc4e30067fbf3430d938e1a0N.exe
Size

1.1MB
MD5

6ed1f348fc4e30067fbf3430d938e1a0
SHA1

8672c9fd18f1f961743ffc393c31e208b718a464
SHA256

3c4f09f050cd08b3538ea6bd0a2a0a543bab2c58b299b214a9c3161d7c53a537
SHA512

bd8264f5374441901e8206a351b10e3c90a1fa3a1702c90317da2d741979e8e56524759ba0fe19d848a087fe68dd792f04aec23568cc3c1cb60d97c9c45b5ebc
SSDEEP

24576:Pq5TfcdHj4fmbA2qx0MmV0VMXR9mOphGkDKTeOffsGiE:PUTsamUxzOzrOffL

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
behavioral1/files/0x0017000000018bbf-4.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2488	dmr_72.exe

Loads dropped DLL 4 IoCs

pid	Process
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/760-0-0x00000000000C0000-0x0000000000332000-memory.dmp	upx
behavioral1/memory/760-23-0x00000000000C0000-0x0000000000332000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/760-23-0x00000000000C0000-0x0000000000332000-memory.dmp	autoit_exe

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	6ed1f348fc4e30067fbf3430d938e1a0N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	6ed1f348fc4e30067fbf3430d938e1a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ed1f348fc4e30067fbf3430d938e1a0N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe
760	6ed1f348fc4e30067fbf3430d938e1a0N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2488	dmr_72.exe
2488	dmr_72.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 2488	760	6ed1f348fc4e30067fbf3430d938e1a0N.exe	29
PID 760 wrote to memory of 2488	760	6ed1f348fc4e30067fbf3430d938e1a0N.exe	29
PID 760 wrote to memory of 2488	760	6ed1f348fc4e30067fbf3430d938e1a0N.exe	29
PID 760 wrote to memory of 2488	760	6ed1f348fc4e30067fbf3430d938e1a0N.exe	29

C:\Users\Admin\AppData\Local\Temp\6ed1f348fc4e30067fbf3430d938e1a0N.exe
"C:\Users\Admin\AppData\Local\Temp\6ed1f348fc4e30067fbf3430d938e1a0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:760
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54373183 -chipde -a0ef907135f6446f922fffe729d4357a - -BLUB2 -fiomxfgmefbpikaw -760
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2488

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

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Downloads

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

Filesize
111B

MD5
b09782ce2cb4cf7c61edd7786126ed99

SHA1
f1ffa7a0535aa36e230d5263c7f3bfcca6b2e071

SHA256
91452a68de6c37499bad3a455e24de7184494f90de8b51bf3a32487db7d455cf

SHA512
85064fe42f9a6f31dab0a0feb22c9e2efaba73e401a0ab433bd8152cbbc6b4376209b71bac2be4780e516ea76273acd9d319643765f87ac3119fb91ccfaec91c

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

Filesize
369KB

MD5
19d8275624db964f341db752ce4c1bd3

SHA1
333beb35a70772f1757e99f0154d59964b921d3f

SHA256
e9789f0d4a7342ff6fa665e55f0f2d22b72ea6f71b3cad3e6acb0f8d05ff27e9

SHA512
c4bd903567576e670ee5d968e62345dd4e6a5fece3d59cd7b7634f09da4ade2f24aa9404c9c3f7f35658fdcfe3b2e02c8ae6930afa0b4ebf8b041e3e27993e94

Download Submit
memory/760-23-0x00000000000C0000-0x0000000000332000-memory.dmp

Filesize
2.4MB

Download
memory/760-0-0x00000000000C0000-0x0000000000332000-memory.dmp

Filesize
2.4MB

Download
memory/2488-22-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2488-19-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2488-20-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2488-21-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2488-17-0x00000000001B0000-0x0000000000210000-memory.dmp

Filesize
384KB

Download
memory/2488-16-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

Filesize
4KB

Download
memory/2488-24-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

Filesize
4KB

Download
memory/2488-25-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2488-26-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2488-27-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2488-28-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2488-29-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download

Analysis

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