009fc72c9f3cdc406ae2735b09e36767440f51a03c2bc7600d35fc33a61da1a1

Analysis

max time kernel
130s
max time network
150s
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, 14:02

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General

Target

a6efe92565771305eb2450f57a4245c1_JaffaCakes118.exe
Size

250KB
MD5

a6efe92565771305eb2450f57a4245c1
SHA1

575d0d12186e9af17d4a11483f95cccb70a064bd
SHA256

009fc72c9f3cdc406ae2735b09e36767440f51a03c2bc7600d35fc33a61da1a1
SHA512

6cf4ac1552d9e42151c94152c4cb7e4aad53b2d862ef671b32b1c0be45838d1cd8d47c150c7805f81851a5c2ad9e8e0f1982e98bb50ff98b74043048b84a703e
SSDEEP

6144:zbWpXyZEMzWpspo597n2jEOr04GFzS5A/dGnNOR:zypqEmixnIOFzS5ydGnNOR

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	a6efe92565771305eb2450f57a4245c1_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5156-0-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/5156-1-0x0000000000700000-0x0000000000704000-memory.dmp	upx
behavioral2/memory/5156-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral2/memory/5156-3-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/5156-4-0x0000000000700000-0x0000000000704000-memory.dmp	upx
behavioral2/memory/5156-6-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral2/memory/5156-7-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/5156-8-0x0000000000400000-0x000000000046B000-memory.dmp	upx

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	a6efe92565771305eb2450f57a4245c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5156 wrote to memory of 5816	5156	a6efe92565771305eb2450f57a4245c1_JaffaCakes118.exe	92
PID 5156 wrote to memory of 5816	5156	a6efe92565771305eb2450f57a4245c1_JaffaCakes118.exe	92
PID 5156 wrote to memory of 5816	5156	a6efe92565771305eb2450f57a4245c1_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\a6efe92565771305eb2450f57a4245c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a6efe92565771305eb2450f57a4245c1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5156
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /u /s "C:\Program Files (x86)\RelevantKnowledge\rlls.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5816

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

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Downloads

memory/5156-0-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/5156-1-0x0000000000700000-0x0000000000704000-memory.dmp

Filesize
16KB

Download
memory/5156-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/5156-3-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/5156-4-0x0000000000700000-0x0000000000704000-memory.dmp

Filesize
16KB

Download
memory/5156-6-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/5156-7-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/5156-8-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download