revengerat | 880ac454f385019390e07ff3f7e1986ffb806951413d6d3774df9ba57a4fe8af

General

Target

c51ddb34c1a0bcd8af4829d8a54c4341.exe
Size

140KB
MD5

c51ddb34c1a0bcd8af4829d8a54c4341
SHA1

84860f90d7c7344a315e9ddc176d8e4a966ad7ad
SHA256

880ac454f385019390e07ff3f7e1986ffb806951413d6d3774df9ba57a4fe8af
SHA512

924bd3791a353328e7b946b846b02279bb588c6e7f0ba88d9579e320a343f4572d9a773bd92ef520c562e6c5a5e156108b6d865537bdacb01bbe006d64756a17
SSDEEP

3072:aMSncRzAO/5XRUAoVFwkIV35QWYBkU+KbRMcP+MQWv:5SncRlBS9VTkYiU+KbR7j

Score

10^/10

revengerat guest stealer trojan

Malware Config

Extracted

Family

revengerat

Botnet

Guest

C2

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 4 IoCs

stealer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\WORKER.EXE	revengerat
C:\Users\Admin\AppData\Local\Temp\WORKER.EXE	revengerat
C:\Users\Admin\AppData\Roaming\svhost.exe	revengerat
C:\Users\Admin\AppData\Roaming\svhost.exe	revengerat

Executes dropped EXE 4 IoCs

Processes:

WORKER.EXEWORKERORG.EXEsvhost.exe982946.exe

pid process

3796 WORKER.EXE
552 WORKERORG.EXE
1916 svhost.exe
3476 982946.exe

pid	process
3796	WORKER.EXE
552	WORKERORG.EXE
1916	svhost.exe
3476	982946.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

c51ddb34c1a0bcd8af4829d8a54c4341.exeWORKER.EXEsvhost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	c51ddb34c1a0bcd8af4829d8a54c4341.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	WORKER.EXE
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	svhost.exe

Drops startup file 2 IoCs

Processes:

svhost.exe

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

Processes:

WORKER.EXEsvhost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WORKER.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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	WORKER.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WORKERORG.EXE982946.exe

pid process

552 WORKERORG.EXE
3476 982946.exe

pid	process
552	WORKERORG.EXE
3476	982946.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

WORKER.EXEWORKERORG.EXEsvhost.exe982946.exe

description	pid	process
Token: SeDebugPrivilege	3796	WORKER.EXE
Token: SeDebugPrivilege	552	WORKERORG.EXE
Token: SeDebugPrivilege	1916	svhost.exe
Token: SeDebugPrivilege	3476	982946.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

c51ddb34c1a0bcd8af4829d8a54c4341.exeWORKER.EXEsvhost.exe

description	pid	process	target process
PID 4296 wrote to memory of 3796	4296	c51ddb34c1a0bcd8af4829d8a54c4341.exe	WORKER.EXE
PID 4296 wrote to memory of 3796	4296	c51ddb34c1a0bcd8af4829d8a54c4341.exe	WORKER.EXE
PID 4296 wrote to memory of 552	4296	c51ddb34c1a0bcd8af4829d8a54c4341.exe	WORKERORG.EXE
PID 4296 wrote to memory of 552	4296	c51ddb34c1a0bcd8af4829d8a54c4341.exe	WORKERORG.EXE
PID 4296 wrote to memory of 552	4296	c51ddb34c1a0bcd8af4829d8a54c4341.exe	WORKERORG.EXE
PID 3796 wrote to memory of 1916	3796	WORKER.EXE	svhost.exe
PID 3796 wrote to memory of 1916	3796	WORKER.EXE	svhost.exe
PID 1916 wrote to memory of 3476	1916	svhost.exe	982946.exe
PID 1916 wrote to memory of 3476	1916	svhost.exe	982946.exe
PID 1916 wrote to memory of 3476	1916	svhost.exe	982946.exe

C:\Users\Admin\AppData\Local\Temp\c51ddb34c1a0bcd8af4829d8a54c4341.exe
"C:\Users\Admin\AppData\Local\Temp\c51ddb34c1a0bcd8af4829d8a54c4341.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4296

C:\Users\Admin\AppData\Local\Temp\WORKER.EXE
"C:\Users\Admin\AppData\Local\Temp\WORKER.EXE"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3796

C:\Users\Admin\AppData\Roaming\svhost.exe
"C:\Users\Admin\AppData\Roaming\svhost.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Drops startup file
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916

C:\Users\Admin\AppData\Local\Temp\982946.exe
"C:\Users\Admin\AppData\Local\Temp\982946.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3476

C:\Users\Admin\AppData\Local\Temp\WORKERORG.EXE
"C:\Users\Admin\AppData\Local\Temp\WORKERORG.EXE"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:552

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\982946.exe
Filesize
24KB

MD5
f8c68280e2f30157639d5c345da04172

SHA1
5ef1f44e41f61d28abc3d08ddb205dc77f763cfb

SHA256
38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e

SHA512
087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b

Download Submit
C:\Users\Admin\AppData\Local\Temp\982946.exe
Filesize
24KB

MD5
f8c68280e2f30157639d5c345da04172

SHA1
5ef1f44e41f61d28abc3d08ddb205dc77f763cfb

SHA256
38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e

SHA512
087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b

Download Submit
C:\Users\Admin\AppData\Local\Temp\WORKER.EXE
Filesize
63KB

MD5
6b5c0e29662a332947386b371a337a52

SHA1
c7bc42ad31263077e59dc8cd85aadd3731c69a77

SHA256
94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

SHA512
9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82

Download Submit
C:\Users\Admin\AppData\Local\Temp\WORKER.EXE
Filesize
63KB

MD5
6b5c0e29662a332947386b371a337a52

SHA1
c7bc42ad31263077e59dc8cd85aadd3731c69a77

SHA256
94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

SHA512
9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82

Download Submit
C:\Users\Admin\AppData\Local\Temp\WORKERORG.EXE
Filesize
24KB

MD5
f8c68280e2f30157639d5c345da04172

SHA1
5ef1f44e41f61d28abc3d08ddb205dc77f763cfb

SHA256
38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e

SHA512
087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b

Download Submit
C:\Users\Admin\AppData\Local\Temp\WORKERORG.EXE
Filesize
24KB

MD5
f8c68280e2f30157639d5c345da04172

SHA1
5ef1f44e41f61d28abc3d08ddb205dc77f763cfb

SHA256
38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e

SHA512
087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b

Download Submit
C:\Users\Admin\AppData\Roaming\svhost.exe
Filesize
63KB

MD5
6b5c0e29662a332947386b371a337a52

SHA1
c7bc42ad31263077e59dc8cd85aadd3731c69a77

SHA256
94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

SHA512
9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82

Download Submit
C:\Users\Admin\AppData\Roaming\svhost.exe
Filesize
63KB

MD5
6b5c0e29662a332947386b371a337a52

SHA1
c7bc42ad31263077e59dc8cd85aadd3731c69a77

SHA256
94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

SHA512
9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82

Download Submit
memory/552-140-0x0000000005010000-0x00000000055B4000-memory.dmp

Filesize
5.6MB

Download
memory/552-141-0x0000000004A60000-0x0000000004AF2000-memory.dmp

Filesize
584KB

Download
memory/552-142-0x0000000004A10000-0x0000000004A1A000-memory.dmp

Filesize
40KB

Download
memory/552-138-0x0000000000040000-0x000000000004C000-memory.dmp

Filesize
48KB

Download
memory/552-135-0x0000000000000000-mapping.dmp

Download
memory/1916-143-0x0000000000000000-mapping.dmp

Download
memory/1916-146-0x00007FF98E0D0000-0x00007FF98EB06000-memory.dmp

Filesize
10.2MB

Download
memory/3476-147-0x0000000000000000-mapping.dmp

Download
memory/3796-139-0x00007FF98E0D0000-0x00007FF98EB06000-memory.dmp

Filesize
10.2MB

Download
memory/3796-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads