revengerat | 94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

Analysis

max time kernel
142s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2022, 13:27

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General

Target
0x0007000000005c50-55.exe
Size 63KB
Sample220906-qqe4gadef3
SHA256 94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7
MD5 6b5c0e29662a332947386b371a337a52
SHA1 c7bc42ad31263077e59dc8cd85aadd3731c69a77
SHA512 9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82
SSDEEP 1536:75DLR+zhAoV7xwd2/GnV+AINrS4dWYB7EdlU+:75XRUAoVFwkIV35QWYBkU+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

revengerat guest stealer trojan

Malware Config

Extracted

Family

revengerat

Botnet

Guest

194.5.179.83:4040
127.0.0.1:4040

Mutex

RV_MUTEX

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat

RevengeRat Executable 2 IoCs

stealer

resource	yara_rule
behavioral2/files/0x00030000000227c9-135.dat	revengerat
behavioral2/files/0x00030000000227c9-134.dat	revengerat

Executes dropped EXE 2 IoCs

pid	Process
2360	svhost.exe
4252	982946.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	0x0007000000005c50-55.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	svhost.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe	svhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe	svhost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	0x0007000000005c50-55.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0x0007000000005c50-55.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	svhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svhost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4252	982946.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	0x0007000000005c50-55.exe
Token: SeDebugPrivilege	2360	svhost.exe
Token: SeDebugPrivilege	4252	982946.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 2360	3612	0x0007000000005c50-55.exe	91
PID 3612 wrote to memory of 2360	3612	0x0007000000005c50-55.exe	91
PID 2360 wrote to memory of 4252	2360	svhost.exe	99
PID 2360 wrote to memory of 4252	2360	svhost.exe	99
PID 2360 wrote to memory of 4252	2360	svhost.exe	99

C:\Users\Admin\AppData\Local\Temp\0x0007000000005c50-55.exe
"C:\Users\Admin\AppData\Local\Temp\0x0007000000005c50-55.exe"
1⤵
- Checks computer location settings
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3612
- C:\Users\Admin\AppData\Roaming\svhost.exe
  "C:\Users\Admin\AppData\Roaming\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Drops startup file
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Users\Admin\AppData\Local\Temp\982946.exe
    "C:\Users\Admin\AppData\Local\Temp\982946.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4252

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

982946.exe

Path C:\Users\Admin\AppData\Local\Temp\982946.exe
Size 24KB
SHA256 38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e
MD5 f8c68280e2f30157639d5c345da04172
SHA1 5ef1f44e41f61d28abc3d08ddb205dc77f763cfb
SHA512 087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b
SSDEEP 384:IruY9IhL/6eZuokwGwAiOWOLv5q1u/gmbnbOWttK5cmtNLr84ZvvRcIx2cyeZVbD:o8b/O9WKCWtYcm3Ldx+gh1YRuHQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

982946.exe

Path C:\Users\Admin\AppData\Local\Temp\982946.exe
Size 24KB
SHA256 38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e
MD5 f8c68280e2f30157639d5c345da04172
SHA1 5ef1f44e41f61d28abc3d08ddb205dc77f763cfb
SHA512 087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b
SSDEEP 384:IruY9IhL/6eZuokwGwAiOWOLv5q1u/gmbnbOWttK5cmtNLr84ZvvRcIx2cyeZVbD:o8b/O9WKCWtYcm3Ldx+gh1YRuHQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

svhost.exe

Path C:\Users\Admin\AppData\Roaming\svhost.exe
Size 63KB
SHA256 94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7
MD5 6b5c0e29662a332947386b371a337a52
SHA1 c7bc42ad31263077e59dc8cd85aadd3731c69a77
SHA512 9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82
SSDEEP 1536:75DLR+zhAoV7xwd2/GnV+AINrS4dWYB7EdlU+:75XRUAoVFwkIV35QWYBkU+
MD5 SHA1 SHA512 SSDEEP

Submit Download

svhost.exe

Path C:\Users\Admin\AppData\Roaming\svhost.exe
Size 63KB
SHA256 94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7
MD5 6b5c0e29662a332947386b371a337a52
SHA1 c7bc42ad31263077e59dc8cd85aadd3731c69a77
SHA512 9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82
SSDEEP 1536:75DLR+zhAoV7xwd2/GnV+AINrS4dWYB7EdlU+:75XRUAoVFwkIV35QWYBkU+
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2360-136-0x00007FFAB5260000-0x00007FFAB5C96000-memory.dmp

Download

memory/3612-132-0x00007FFAB5260000-0x00007FFAB5C96000-memory.dmp

Download

memory/4252-140-0x0000000000B60000-0x0000000000B6C000-memory.dmp

Download

memory/4252-141-0x0000000005C10000-0x00000000061B4000-memory.dmp

Download

memory/4252-142-0x0000000005540000-0x00000000055D2000-memory.dmp

Download

memory/4252-143-0x0000000005510000-0x000000000551A000-memory.dmp

Download