43b914d4f6aef7bb3cb261c7b920a34cfc6fecf8be46fb4039ed2ec94e088ced

Analysis

max time kernel
139s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
2384	Output.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/2028-0-0x0000000001000000-0x0000000001077000-memory.dmp	vmprotect
behavioral2/memory/2028-2-0x0000000001000000-0x0000000001077000-memory.dmp	vmprotect
behavioral2/memory/2028-11-0x0000000001000000-0x0000000001077000-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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3684	2384	WerFault.exe	91
2840	2384	WerFault.exe	91

System Location Discovery: System Language Discovery 1 TTPs 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Output.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2384	2028	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe	91
PID 2028 wrote to memory of 2384	2028	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe	91
PID 2028 wrote to memory of 2384	2028	a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a85cb12aeafd113a53f3bd1a4fd8a93e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 464
    3⤵
    - Program crash
    PID:3684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 468
    3⤵
    - Program crash
    PID:2840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2384 -ip 2384
1⤵
PID:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2384 -ip 2384
1⤵
PID:4948

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2708,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=4460 /prefetch:8
1⤵
PID:4488

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/2028-0-0x0000000001000000-0x0000000001077000-memory.dmp

Filesize
476KB

Download
memory/2028-1-0x0000000001069000-0x000000000106A000-memory.dmp

Filesize
4KB

Download
memory/2028-2-0x0000000001000000-0x0000000001077000-memory.dmp

Filesize
476KB

Download
memory/2028-11-0x0000000001000000-0x0000000001077000-memory.dmp

Filesize
476KB

Download
memory/2384-8-0x0000000000010000-0x000000000002F000-memory.dmp

Filesize
124KB

Download
memory/2384-10-0x0000000000010000-0x000000000002F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads