7af108afc3afe3b69b8ebf72c0297335e60baf150fb678d171a03e7963857e24

Analysis

max time kernel
140s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 05:27

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General

Target

a15a53951acc8ece61b47d4a6ab86a5a_JaffaCakes118.exe
Size

81KB
MD5

a15a53951acc8ece61b47d4a6ab86a5a
SHA1

9b6ffbfef83fb1322a0111396183599d6df5568e
SHA256

7af108afc3afe3b69b8ebf72c0297335e60baf150fb678d171a03e7963857e24
SHA512

715bb6f240fc8849f97e85a230d755d67f269c1485347748785417ce6580cbe8e3d47af922938ce666002d37b3f1eb8c12a428fdcc64559babb318827110d9ac
SSDEEP

1536:zSib6taxfqDV8uv0cbMo+rZNPRXUvVjx1fdlwatz+U5vgqc:JSofqJ8yArZ+Rx17w2z+Evgq

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	a15a53951acc8ece61b47d4a6ab86a5a_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4296-0-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/4296-3-0x0000000000400000-0x0000000000434000-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	a15a53951acc8ece61b47d4a6ab86a5a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 4084	4296	a15a53951acc8ece61b47d4a6ab86a5a_JaffaCakes118.exe	84
PID 4296 wrote to memory of 4084	4296	a15a53951acc8ece61b47d4a6ab86a5a_JaffaCakes118.exe	84
PID 4296 wrote to memory of 4084	4296	a15a53951acc8ece61b47d4a6ab86a5a_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\a15a53951acc8ece61b47d4a6ab86a5a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a15a53951acc8ece61b47d4a6ab86a5a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\7EB5.tmp.bat" > nul 2> nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4084

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

C:\Users\Admin\AppData\Local\Temp\7EB5.tmp.bat

Filesize
238B

MD5
10da0beb8016fb99085becf2fd473797

SHA1
6d54beb0366d04825b49c96a12f5d463e60a67d6

SHA256
0af3591ce648943a64d48a687367ce432c54db836454d40139070df4a2aa0749

SHA512
9e0500c16167d14f20ed3d511723b35ea32577a261a730848ae166c3dce1531b07cf44efb8285257621693d498475b0c07d905a50a3bba468b44d13099d7f8e7

Download Submit
memory/4296-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4296-3-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download