86432518e4fa337c2f5b6dc1cd78c105ae30c31f531f9cfcb6b93b393a87b6e5

Analysis

max time kernel
95s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 17:29

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General

Target

1448b568ad1236298f852dd59735653c_JaffaCakes118.exe
Size

184KB
MD5

1448b568ad1236298f852dd59735653c
SHA1

7d256497da8c4c41e923945a0d2c683b438ec860
SHA256

86432518e4fa337c2f5b6dc1cd78c105ae30c31f531f9cfcb6b93b393a87b6e5
SHA512

1282bc0ede13ab225b436b7a848f7bd593a064fa5bc94a00cca237eb2a14320c358c58dd85aa85a3c68abdcd11d68b15345e941eac05364c1ce4e013cf41cb6a
SSDEEP

3072:KDdT2M4K93mUIy4XSRvkILV1GcRTfSgOKhw330xdZZZZ:BE3mYRvkILV1mn0

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2588	peouzub.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peouzub = "C:\\Users\\Admin\\peouzub.exe /b"	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4160	2588	WerFault.exe	82

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	peouzub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4852	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe
4852	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4852	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe
2588	peouzub.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 2588	4852	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe	82
PID 4852 wrote to memory of 2588	4852	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe	82
PID 4852 wrote to memory of 2588	4852	1448b568ad1236298f852dd59735653c_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\1448b568ad1236298f852dd59735653c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1448b568ad1236298f852dd59735653c_JaffaCakes118.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Users\Admin\peouzub.exe
  "C:\Users\Admin\peouzub.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 492
    3⤵
    - Program crash
    PID:4160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2588 -ip 2588
1⤵
PID:2116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

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\peouzub.exe

Filesize
184KB

MD5
65117b47031cfd09e0b2df857b842b52

SHA1
6e07e9f03bc6624a10741add32a9405b7ec49e97

SHA256
6e0490b4f80aaf5175d7fc269a041ffd9f57becf65eeca74dceb0e806279279d

SHA512
cdaeebc4dcb59ae976520ef79edfaf9d632ee6de6537c9e0551a2183d4d1dee335861a872f053ee9ec5fdd216a877d3be736ed7cf12328f817448fa0a7c9d618

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