c9706ce419a1c3b4fcc4471cdcc01f7db0f96025b3e5f0f9a36c109e836935e8

Analysis

max time kernel
140s
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
29/08/2024, 02:55

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General

Target

c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe
Size

28KB
MD5

c81c6bcd4aa644a569f764b9c83ba46e
SHA1

78026c4adcfc4616c284644a7cfceb290c178a44
SHA256

c9706ce419a1c3b4fcc4471cdcc01f7db0f96025b3e5f0f9a36c109e836935e8
SHA512

98f40eaead2fcfb4b37ccd7acd389a32c426c759e73ea428351c3f592ade06516313bbf6c96ea077be2838cb320bcc0dca1492801a45ad2da49c653bdf784687
SSDEEP

768:isES7RSOw6hkl90vf+CclZJb0hFXK/iRdj+2MOc:iPS1aokl9vlZJghFL7j7Rc

Score

7^/10

defense_evasion 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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3704-2-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/3704-4-0x0000000000400000-0x0000000000425000-memory.dmp	upx

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
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	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3704	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe
3704	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe
3704	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe
3704	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3704	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 5116	3704	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe	86
PID 3704 wrote to memory of 5116	3704	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe	86
PID 3704 wrote to memory of 5116	3704	c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c81c6bcd4aa644a569f764b9c83ba46e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C81C6B~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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/3704-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3704-1-0x00000000022B0000-0x0000000002450000-memory.dmp

Filesize
1.6MB

Download
memory/3704-2-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3704-4-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download