revengerat | b2ee5bd5b0e3cc0f9309ff42323f66f638542301d33beefa600a23a90ed94801

General

Target

997a5c705e9f2761962ac35ebcdd88a0N.exe
Size

1.1MB
MD5

997a5c705e9f2761962ac35ebcdd88a0
SHA1

ab637b8c25b4e5677a9eb89c2d649400ff1314fe
SHA256

b2ee5bd5b0e3cc0f9309ff42323f66f638542301d33beefa600a23a90ed94801
SHA512

719a9c6406e5f598af03c543bd63dedae2e6e11478419c515fe251f9c2729e29ee9a0e0283e0bd959c6af7b23b81bcf7ff67b935583ff38798df533c8e3f1430
SSDEEP

24576:Sq5TfcdHj4fmbo2q40MmV0VMXfGqcnUsG0Eh3lWaUnfnnO/sWv5:SUTsamsxw3nhwlonnO/l

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
behavioral2/files/0x00070000000234e7-6.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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	997a5c705e9f2761962ac35ebcdd88a0N.exe

Executes dropped EXE 1 IoCs

pid	Process
5048	dmr_72.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4072-0-0x0000000000760000-0x00000000009D8000-memory.dmp	upx
behavioral2/memory/4072-20-0x0000000000760000-0x00000000009D8000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4072-20-0x0000000000760000-0x00000000009D8000-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	997a5c705e9f2761962ac35ebcdd88a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	997a5c705e9f2761962ac35ebcdd88a0N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	997a5c705e9f2761962ac35ebcdd88a0N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4072	997a5c705e9f2761962ac35ebcdd88a0N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5048	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4072	997a5c705e9f2761962ac35ebcdd88a0N.exe
4072	997a5c705e9f2761962ac35ebcdd88a0N.exe
4072	997a5c705e9f2761962ac35ebcdd88a0N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4072	997a5c705e9f2761962ac35ebcdd88a0N.exe
4072	997a5c705e9f2761962ac35ebcdd88a0N.exe
4072	997a5c705e9f2761962ac35ebcdd88a0N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5048	dmr_72.exe
5048	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 5048	4072	997a5c705e9f2761962ac35ebcdd88a0N.exe	86
PID 4072 wrote to memory of 5048	4072	997a5c705e9f2761962ac35ebcdd88a0N.exe	86

C:\Users\Admin\AppData\Local\Temp\997a5c705e9f2761962ac35ebcdd88a0N.exe
"C:\Users\Admin\AppData\Local\Temp\997a5c705e9f2761962ac35ebcdd88a0N.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:4072
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54424000 -chipde -3d028f571a294c49bf4fc1a757ae8e8c - -BLUB2 -mauixztajqghjdko -4072
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5048

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\dmr_72.exe

Filesize
375KB

MD5
a00dc5a8831c076ff536b072415fcee3

SHA1
47b19ab97028d8925579bed54efee88c8107d6b6

SHA256
c9d8f7c9bcfa4758e17808dd79673ac10c22f37ccd37549543b16028b43dfe79

SHA512
642dbe332ab25ef7e3dfb9e29ca545312c339efa373f1a8da16686e26eda6c0219526b82989c65ead6a74e9ecbe9eca0de0283129832dd59394969c4b2886a4b

Download Submit
C:\Users\Admin\AppData\Local\Temp\DMR\mauixztajqghjdko.dat

Filesize
163B

MD5
f2f3ab77e7330e37810228d664104210

SHA1
4fa79cc5a9b61484c2fbdc0bd2b08a031a17eec7

SHA256
3bccb8c3f6cac6b52fb2e92e8b8e52e7e795dc9130b263293aca08dace98f1e4

SHA512
0d143246ee4031e67ab69e25591a86f8bdead99564d4dba72a59cfa5fda5c3ea74691b394e71277e27378c53cba8786481ccb35bb268309ab3d1f8ded7c13713

Download Submit
memory/4072-0-0x0000000000760000-0x00000000009D8000-memory.dmp

Filesize
2.5MB

Download
memory/4072-20-0x0000000000760000-0x00000000009D8000-memory.dmp

Filesize
2.5MB

Download
memory/5048-13-0x00007FF9F8BA3000-0x00007FF9F8BA5000-memory.dmp

Filesize
8KB

Download
memory/5048-14-0x0000000000BA0000-0x0000000000C02000-memory.dmp

Filesize
392KB

Download
memory/5048-16-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

Filesize
10.8MB

Download
memory/5048-17-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

Filesize
10.8MB

Download
memory/5048-18-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

Filesize
10.8MB

Download
memory/5048-19-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

Filesize
10.8MB

Download
memory/5048-22-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

Filesize
10.8MB

Download

Analysis

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