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
behavioral2/files/0x0009000000023bd3-6.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	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe

Executes dropped EXE 1 IoCs

pid	Process
2848	dmr_72.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4968-20-0x0000000000ED0000-0x0000000001164000-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/4968-0-0x0000000000ED0000-0x0000000001164000-memory.dmp	upx
behavioral2/memory/4968-20-0x0000000000ED0000-0x0000000001164000-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 behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4968	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4968	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
4968	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
4968	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4968	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
4968	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
4968	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2848	dmr_72.exe
2848	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 2848	4968	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe	82
PID 4968 wrote to memory of 2848	4968	94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe	82

C:\Users\Admin\AppData\Local\Temp\94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe
"C:\Users\Admin\AppData\Local\Temp\94594c84bb9bc495d57056c5f47e23671b5f811e73823900e4791a84ec85984dN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4968
- 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 -ahweuyaljzbgbjbo -4968
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2848

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\ahweuyaljzbgbjbo.dat

Filesize
159B

MD5
8b3d37458cf3e95da05b67d617bea6ff

SHA1
b10332e0a65bf8fb04647edff101a8101b7f41c0

SHA256
c26446ceeec3a3e7269b77e8d131d30d9f535b296fcd28e6227f5a99edba241d

SHA512
131daa370e384cb0d7680483ab36b18417c5cc0035d91f4087e7925361e46f17c1712e169ea6e49403d21c77a17b2d3808d255c2bf616f4bd11e2a28ac7cf76e

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

Filesize
403KB

MD5
0e38c05d565ba4f647aa2619fc52f6b9

SHA1
cbe168e16739b086e91f3dfc6d8a052966284eea

SHA256
c016a6f3b11f1866d4ef2fcae810e29962407370f698558cc3c7a63f2b51a93a

SHA512
cbec0a5a471e6feb40603545d772b7b0ad3f6937dfca497f39a394644e26495807005117b6fb68b8d05c5d597e1dc66a59961e7eaaafcff1981779f838983407

Download Submit
memory/2848-13-0x00007FFB39E23000-0x00007FFB39E25000-memory.dmp

Filesize
8KB

Download
memory/2848-14-0x0000000000990000-0x00000000009FA000-memory.dmp

Filesize
424KB

Download
memory/2848-16-0x00007FFB39E20000-0x00007FFB3A8E1000-memory.dmp

Filesize
10.8MB

Download
memory/2848-17-0x00007FFB39E20000-0x00007FFB3A8E1000-memory.dmp

Filesize
10.8MB

Download
memory/2848-18-0x00007FFB39E20000-0x00007FFB3A8E1000-memory.dmp

Filesize
10.8MB

Download
memory/2848-19-0x00007FFB39E20000-0x00007FFB3A8E1000-memory.dmp

Filesize
10.8MB

Download
memory/2848-22-0x00007FFB39E20000-0x00007FFB3A8E1000-memory.dmp

Filesize
10.8MB

Download
memory/4968-0-0x0000000000ED0000-0x0000000001164000-memory.dmp

Filesize
2.6MB

Download
memory/4968-20-0x0000000000ED0000-0x0000000001164000-memory.dmp

Filesize
2.6MB

Download

Analysis

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