revengerat | 6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2022, 03:51

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General

Target
6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0.exe
Size 53KB
Sample220725-eekn2adgbp
SHA256 6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0
MD5 b585af67793f866a758b533870daee47
SHA1 e202f5897b60fabc23e4400cf4929be84f8607ae
SHA512 0b3b47e9dcce53b8d88ee470b0a2e4f0b3256a6148e833d96702a4940dddea7561e351b5536a50f908efe4c4550e0657505b6469fbfd0c755a8be277a873d7a1
MD5 SHA1 SHA512

Score

10^/10

revengerat persistence stealer trojan

Malware Config

Signatures

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

RevengeRat Executable 3 IoCs

stealer

resource	yara_rule
behavioral2/files/0x000f000000022ec0-133.dat	revengerat
behavioral2/files/0x000f000000022ec0-134.dat	revengerat
behavioral2/files/0x000f000000022ec0-139.dat	revengerat

Executes dropped EXE 2 IoCs

pid	Process
1876	svchost.exe
1764	svchost.exe

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-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0.exe

Drops startup file 2 IoCs

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\History\\svchost.exe"	svchost.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3600	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1304	6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0.exe
Token: SeDebugPrivilege	1876	svchost.exe
Token: SeDebugPrivilege	1764	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 1876	1304	6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0.exe	82
PID 1304 wrote to memory of 1876	1304	6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0.exe	82
PID 1304 wrote to memory of 1876	1304	6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0.exe	82
PID 1876 wrote to memory of 3600	1876	svchost.exe	85
PID 1876 wrote to memory of 3600	1876	svchost.exe	85
PID 1876 wrote to memory of 3600	1876	svchost.exe	85

C:\Users\Admin\AppData\Local\Temp\6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0.exe
"C:\Users\Admin\AppData\Local\Temp\6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe
  "C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Network Menager" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe"
    3⤵
    - Creates scheduled task(s)
    PID:3600

C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe
C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

svchost.exe

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe
Size 53KB
SHA256 6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0
MD5 b585af67793f866a758b533870daee47
SHA1 e202f5897b60fabc23e4400cf4929be84f8607ae
SHA512 0b3b47e9dcce53b8d88ee470b0a2e4f0b3256a6148e833d96702a4940dddea7561e351b5536a50f908efe4c4550e0657505b6469fbfd0c755a8be277a873d7a1
SSDEEP 768:mKCsLm6N6lLwX1wlcPGgqLHI5AHxL2c6+a0FNJx7+pKJ2T:usKHMwyPGno+xL20HNL7+s
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe
Size 53KB
SHA256 6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0
MD5 b585af67793f866a758b533870daee47
SHA1 e202f5897b60fabc23e4400cf4929be84f8607ae
SHA512 0b3b47e9dcce53b8d88ee470b0a2e4f0b3256a6148e833d96702a4940dddea7561e351b5536a50f908efe4c4550e0657505b6469fbfd0c755a8be277a873d7a1
SSDEEP 768:mKCsLm6N6lLwX1wlcPGgqLHI5AHxL2c6+a0FNJx7+pKJ2T:usKHMwyPGno+xL20HNL7+s
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\History\svchost.exe
Size 53KB
SHA256 6fe5d15dd9a0aeef6b153b2428b8f6d3b518cf3f71dc66163515778dd3c038c0
MD5 b585af67793f866a758b533870daee47
SHA1 e202f5897b60fabc23e4400cf4929be84f8607ae
SHA512 0b3b47e9dcce53b8d88ee470b0a2e4f0b3256a6148e833d96702a4940dddea7561e351b5536a50f908efe4c4550e0657505b6469fbfd0c755a8be277a873d7a1
SSDEEP 768:mKCsLm6N6lLwX1wlcPGgqLHI5AHxL2c6+a0FNJx7+pKJ2T:usKHMwyPGno+xL20HNL7+s
MD5 SHA1 SHA512 SSDEEP

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memory/1304-130-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/1304-131-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/1304-135-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/1764-140-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/1764-141-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/1876-136-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/1876-137-0x0000000075380000-0x0000000075931000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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