revengerat | bb4942e427800cc76b880e3721d9531933aa871f6d20c7fc7121052b1542e51c

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
16/05/2024, 10:47

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General

Target

4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe
Size

17KB
MD5

4ab21aa5fbbbc32ad4373d42afb35a9b
SHA1

b4e49b84203c18e014293f92990c75ec4a810468
SHA256

bb4942e427800cc76b880e3721d9531933aa871f6d20c7fc7121052b1542e51c
SHA512

7af5b1c23c548de22319553ebb69518d0bff08c76d70d99cea230ea9cee75ea80b32bad49df39be012db6f2d8caccd204794d3114d58a9862aa869f08b069a2b
SSDEEP

384:NbqHAwqqVOt3ITTLeNNvnbqspf+y4Z3s2:NbqHY7NSLevOnB

Score

10^/10

revengerat persistence stealer trojan

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/0x0008000000023403-12.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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe	4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe	4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe	WindowsDefender.exe

Executes dropped EXE 1 IoCs

pid	Process
1500	WindowsDefender.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\WindowsDefender.exe"	WindowsDefender.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4960	4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe
Token: SeDebugPrivilege	1500	WindowsDefender.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 1500	4960	4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe	98
PID 4960 wrote to memory of 1500	4960	4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:1500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe

Filesize
17KB

MD5
4ab21aa5fbbbc32ad4373d42afb35a9b

SHA1
b4e49b84203c18e014293f92990c75ec4a810468

SHA256
bb4942e427800cc76b880e3721d9531933aa871f6d20c7fc7121052b1542e51c

SHA512
7af5b1c23c548de22319553ebb69518d0bff08c76d70d99cea230ea9cee75ea80b32bad49df39be012db6f2d8caccd204794d3114d58a9862aa869f08b069a2b

Download Submit
memory/1500-20-0x00007FFEFB4A0000-0x00007FFEFBE41000-memory.dmp

Filesize
9.6MB

Download
memory/1500-19-0x00007FFEFB4A0000-0x00007FFEFBE41000-memory.dmp

Filesize
9.6MB

Download
memory/1500-18-0x00007FFEFB4A0000-0x00007FFEFBE41000-memory.dmp

Filesize
9.6MB

Download
memory/4960-6-0x00007FFEFB755000-0x00007FFEFB756000-memory.dmp

Filesize
4KB

Download
memory/4960-5-0x00007FFEFB4A0000-0x00007FFEFBE41000-memory.dmp

Filesize
9.6MB

Download
memory/4960-0-0x00007FFEFB755000-0x00007FFEFB756000-memory.dmp

Filesize
4KB

Download
memory/4960-7-0x00007FFEFB4A0000-0x00007FFEFBE41000-memory.dmp

Filesize
9.6MB

Download
memory/4960-4-0x000000001BE50000-0x000000001BEB2000-memory.dmp

Filesize
392KB

Download
memory/4960-17-0x00007FFEFB4A0000-0x00007FFEFBE41000-memory.dmp

Filesize
9.6MB

Download
memory/4960-3-0x000000001BC80000-0x000000001BD26000-memory.dmp

Filesize
664KB

Download
memory/4960-2-0x000000001B700000-0x000000001BBCE000-memory.dmp

Filesize
4.8MB

Download
memory/4960-1-0x00007FFEFB4A0000-0x00007FFEFBE41000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads