405e53b159853549030002d733c644a418bd6a5aa0c00aeec50328e3f23ea44a

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 01:17

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

d337f3bb543f8a80e9cae0651b91a69f_JaffaCakes118.exe
Size

291KB
MD5

d337f3bb543f8a80e9cae0651b91a69f
SHA1

83d5633a92a97927ca3e169af23bda02a9b66e15
SHA256

405e53b159853549030002d733c644a418bd6a5aa0c00aeec50328e3f23ea44a
SHA512

f4ce0a571a49d0483392d6e9b80bc764274c5b82823680f2cdf2844b73e937ca5f4b18765287c4b57d04613c6f91c43f83f22ceebce430bb4233d4ac985b227c
SSDEEP

6144:H4iqzyBObJMAsI3zAjo9RGYJwC9ftZj2IpoLcf:Hqzy69zAjo39FZj2MoE

Score

7^/10

discovery upx

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	d337f3bb543f8a80e9cae0651b91a69f_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3628	tmpUI.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2916-0-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/2916-11-0x0000000000400000-0x0000000000490000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Java\jre-06\bin\jusched.exe	tmpUI.exe
File created	C:\Program Files (x86)\Java\jre-06\bin\UF	tmpUI.exe

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

System Information Discovery
T1082

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	d337f3bb543f8a80e9cae0651b91a69f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpUI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 3628	2916	d337f3bb543f8a80e9cae0651b91a69f_JaffaCakes118.exe	85
PID 2916 wrote to memory of 3628	2916	d337f3bb543f8a80e9cae0651b91a69f_JaffaCakes118.exe	85
PID 2916 wrote to memory of 3628	2916	d337f3bb543f8a80e9cae0651b91a69f_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\d337f3bb543f8a80e9cae0651b91a69f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d337f3bb543f8a80e9cae0651b91a69f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\tmpUI.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpUI.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:3628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpUI.exe

Filesize
59KB

MD5
e9f9bacee7a1001a85995a86e7fce753

SHA1
de790500e7c4a6d71e17a55fdaf12526b030f217

SHA256
b413c116014ba2d3c8ad8e98b892d816cace495ec05427ba8e6c210ef4e51122

SHA512
b2dd3f524179b08fb56bdb608ac0fb9def356f41120808f2abd74e68dd505b8595c54c7429b083ba25e0b8f67dbe6a7b5d7545cdf6c82ddb0fa8e6561770fa39

Download Submit
memory/2916-0-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2916-1-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/2916-11-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download