43b914d4f6aef7bb3cb261c7b920a34cfc6fecf8be46fb4039ed2ec94e088ced

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 21:53

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General

Target

a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe
Size

243KB
MD5

a85cb12aeafd113a53f3bd1a4fd8a93e
SHA1

3619f9424d6dc2f299c6aa56996befce4457b44e
SHA256

43b914d4f6aef7bb3cb261c7b920a34cfc6fecf8be46fb4039ed2ec94e088ced
SHA512

70d09113aec4498666789a4117020c26d2018af66e941b501ce93812aa594cad483e25abdba63d847a10aa7510d2af93dbc709e59e38e01a75e8a50944e1473a
SSDEEP

3072:dMgJYY7ZXODyY5WcTjLjs1tLTXdPKOftqPW+P1W7gHMY5ty8xb4MowbouEjUo:dLaH2cjPsPLTXdPKO1XPEnCuQUo

Score

7^/10

discovery persistence vmprotect

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1972	Output.exe

Loads dropped DLL 2 IoCs

pid	Process
2908	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe
2908	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2908-0-0x0000000001000000-0x0000000001077000-memory.dmp	vmprotect
behavioral1/memory/2908-1-0x0000000001000000-0x0000000001077000-memory.dmp	vmprotect
behavioral1/memory/2908-15-0x0000000001000000-0x0000000001077000-memory.dmp	vmprotect

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 1972	2908	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1972	2908	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1972	2908	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1972	2908	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
  2⤵
  - Executes dropped EXE
  PID:1972

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

Filesize
101KB

MD5
ff09709a309a9e4d8651526ecae2a3c2

SHA1
cfebb3ae4f8652d100b35a7415f2c4532b486a04

SHA256
e1ffeab77b260cf40b72c5740c8249bc1d238d9a7bd0982daf190387b80f4e79

SHA512
0d607d343446c15ad0f0e486d6988d559a41c43d50c6e45266abef20006e78691b1388e45b25de07cd2a343e76413ae562f913fcc7d6253bb60c9d93bc59c822

Download Submit
memory/1972-12-0x0000000000010000-0x000000000002F000-memory.dmp

Filesize
124KB

Download
memory/2908-0-0x0000000001000000-0x0000000001077000-memory.dmp

Filesize
476KB

Download
memory/2908-1-0x0000000001000000-0x0000000001077000-memory.dmp

Filesize
476KB

Download
memory/2908-15-0x0000000001000000-0x0000000001077000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads