revengerat | 3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d

General

Target

3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
Size

1.4MB
MD5

9364607dfe2cbfef763c146ee7e27dfa
SHA1

53a7d87eef714750cc1751182443acfebc41b832
SHA256

3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d
SHA512

09a17b7f21bcb29b44db6b9f3c8ac972650b4e428752837a7afe9953a341b05d389fee49586273ef5ec3ed9b9a4f5d3d064b30a82130bf738be1266a1afa1aeb
SSDEEP

24576:eq5TfcdHj4fmbqOY2q570smVkVMyO7BlWEWEzKJ9TtLs2l0llFJ+o0zQJ9TtDi8I:eUTsamVYxkle5YlF55q

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/0x000700000001868b-4.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
3056	dmr_72.exe

Loads dropped DLL 4 IoCs

pid	Process
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-0-0x0000000000D20000-0x0000000001019000-memory.dmp	upx
behavioral1/memory/2100-23-0x0000000000D20000-0x0000000001019000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2100-23-0x0000000000D20000-0x0000000001019000-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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3056	dmr_72.exe
3056	dmr_72.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 3056	2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe	31
PID 2100 wrote to memory of 3056	2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe	31
PID 2100 wrote to memory of 3056	2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe	31
PID 2100 wrote to memory of 3056	2100	3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe	31

C:\Users\Admin\AppData\Local\Temp\3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.exe
"C:\Users\Admin\AppData\Local\Temp\3a75d6962893903bdfc8558485df3e3166989bb5dd5d524d2c5c796f60221f3d_unsafe.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:2100
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -56269414 -chipderedesign -fcb4fd7f2fd843e782da1aaa665f1fc2 - -mwchk -ayetpphefdnggtvb -2100
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3056

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2880

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\ayetpphefdnggtvb.dat

Filesize
153B

MD5
ba1c0181a090c96f1f7c4d3a077abcf6

SHA1
2f7f350dd78c5c4e3aff4a1e68e5490726c956d9

SHA256
60aa222b453f959eeacc90f0d7982f2231a97e9694873f27582d8ae62ec75465

SHA512
4cc68fdbd1bcd0c92e8fb8ef3aa6e33d3db58b56d09c11f5004f05d0cc014745e0a9b6107dab8abe324f82e92da4b789223f08663218593b23adcbfd480e4753

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

Filesize
504KB

MD5
9b6c9b2660e2819352b9e9afa900eb68

SHA1
a901074f923efa09a7e4413d55ef30c8fcbd0322

SHA256
e7b27eb0b4e5ccfb97d68a125cb401b05939b8fd8010c57f72b04e9e841b6b5a

SHA512
0eeff30dffd76732ef64cb450dd594628bfd2bd5439700f444317ccef001c145b02bc12aa16c8df41d5b64934ca2f642148bff17967b5b6a82fcd8fbae534599

Download Submit
memory/2100-0-0x0000000000D20000-0x0000000001019000-memory.dmp

Filesize
3.0MB

Download
memory/2100-23-0x0000000000D20000-0x0000000001019000-memory.dmp

Filesize
3.0MB

Download
memory/3056-16-0x000007FEF5FD3000-0x000007FEF5FD4000-memory.dmp

Filesize
4KB

Download
memory/3056-17-0x00000000010E0000-0x0000000001162000-memory.dmp

Filesize
520KB

Download
memory/3056-19-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

Filesize
9.9MB

Download
memory/3056-20-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

Filesize
9.9MB

Download
memory/3056-21-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

Filesize
9.9MB

Download
memory/3056-22-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

Filesize
9.9MB

Download
memory/3056-24-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

Filesize
9.9MB

Download

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