81233a60a00f9ceca0b97caccc717d58dcb8d5739a612ca47aaae517306fb192

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 21:52

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General

Target

83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe
Size

17KB
MD5

83afda3367cd7f6b82d6ab483d1e923e
SHA1

cafd03d260613936662a34f77d49f83bc51ecf6d
SHA256

81233a60a00f9ceca0b97caccc717d58dcb8d5739a612ca47aaae517306fb192
SHA512

1fe94b34da81a4b33856e3203271b8fac9c3222f344b43460437fe8f7d4cf5407418c664e4b8fe1d5c9f7566b236b4a636bbe7de06657b4818c70fa9d53e691e
SSDEEP

384:atPEVxH3L5TkLrg4iq+LRIgy64FyKJACzYcCe:aVEXbJk3Kmy4FzYcCe

Score

7^/10

persistence

Malware Config

Signatures

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4244	msdn.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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msdn.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\msdn.exe"	83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4976	83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe
Token: SeDebugPrivilege	4244	msdn.exe
Token: SeBackupPrivilege	2036	dw20.exe
Token: SeBackupPrivilege	2036	dw20.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 4244	4976	83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe	84
PID 4976 wrote to memory of 4244	4976	83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe	84
PID 4244 wrote to memory of 2036	4244	msdn.exe	95
PID 4244 wrote to memory of 2036	4244	msdn.exe	95

C:\Users\Admin\AppData\Local\Temp\83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Users\Admin\AppData\Local\Temp\msdn.exe
  "C:\Users\Admin\AppData\Local\Temp\msdn.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
    dw20.exe -x -s 1020
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:2036

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\Local\Temp\msdn.exe

Filesize
17KB

MD5
83afda3367cd7f6b82d6ab483d1e923e

SHA1
cafd03d260613936662a34f77d49f83bc51ecf6d

SHA256
81233a60a00f9ceca0b97caccc717d58dcb8d5739a612ca47aaae517306fb192

SHA512
1fe94b34da81a4b33856e3203271b8fac9c3222f344b43460437fe8f7d4cf5407418c664e4b8fe1d5c9f7566b236b4a636bbe7de06657b4818c70fa9d53e691e

Download Submit
memory/4244-18-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

Filesize
9.6MB

Download
memory/4244-25-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

Filesize
9.6MB

Download
memory/4976-0-0x00007FFA83495000-0x00007FFA83496000-memory.dmp

Filesize
4KB

Download
memory/4976-1-0x000000001BAE0000-0x000000001BB86000-memory.dmp

Filesize
664KB

Download
memory/4976-2-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

Filesize
9.6MB

Download
memory/4976-5-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

Filesize
9.6MB

Download
memory/4976-17-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads