db74fe0a6dc70ce17e14bdb61eac0ef49f56877e93efdf785d31474181ba0f45

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 10:41

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General

Target

39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe
Size

62KB
MD5

39936d1fe40b5fa4134438e5c890ef05
SHA1

70cebef1fb03b6a03578c3c906673e1348411401
SHA256

db74fe0a6dc70ce17e14bdb61eac0ef49f56877e93efdf785d31474181ba0f45
SHA512

a1fefb97fb7a2340627cda06cf795b5b8a2b5b96d7ffaa96ab8be641d20ba9b61adfeb5cb033e5a44953df214561f7d29f92465bfd98adb55801ebf26f8292d9
SSDEEP

1536:GGPegsVpDKNSf+owoS9Po8TwYwMPtd/BqDIkp:xdCpKM+oGBbw6td/BWv

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/224-1-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/224-3-0x0000000000400000-0x0000000000421000-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	39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
224	39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe
224	39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3904	224	39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe	86
PID 224 wrote to memory of 3904	224	39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe	86
PID 224 wrote to memory of 3904	224	39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Nkb..bat" > nul 2> nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3904

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Nkb..bat

Filesize
238B

MD5
b22dc1dd5ac298a8d82b0f177fc06541

SHA1
1130bbd0a7a04b6d764ce35cc9576f20d4a9841f

SHA256
e95105121358952967cb5167504fa3237ccc8218731901b064b89eccb0e06163

SHA512
386940312d19f14dbac2771d3c08be57160a8ce20edcf4315a36dac46da5b9f5ffd5c528c906f5158f9453f2d1871262465a23e486f4de3b814e2c7ad971dbd6

Download Submit
memory/224-0-0x00000000004C0000-0x00000000004C5000-memory.dmp

Filesize
20KB

Download
memory/224-1-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/224-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download