3301b53304745c85a153d5e40a80082dc11f9255c90fa2bac87c4b8e39fe7071

Analysis

max time kernel
141s
max time network
103s
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, 04:11

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General

Target

a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe
Size

4.7MB
MD5

a12933f1763d27835ee744b851fc5f2c
SHA1

43af33f1d59b39839e2d71c4c1d52786ff9c69dd
SHA256

3301b53304745c85a153d5e40a80082dc11f9255c90fa2bac87c4b8e39fe7071
SHA512

28be40b3d139bd678c33ed48629386fe1794257862a5ce76da950100d1ef843b06a038c39123526f9a9284f8e69f71d3a41f93bc5ea28cfb30689d8730f2e200
SSDEEP

98304:Kv2DROa6WM+El6pKQZuG/5ZhhTQ9vTxAOFeQizoEgwR98y69:K9aWbQ4Q0sNKxAAzu2

Score

7^/10

discovery

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2560	serwer.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\elfbot 8.52.rar	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\elfbot 8.52.rar	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\serwer.exe	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\serwer.exe	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe

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	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	serwer.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4104	OpenWith.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 2560	3744	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe	88
PID 3744 wrote to memory of 2560	3744	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe	88
PID 3744 wrote to memory of 2560	3744	a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a12933f1763d27835ee744b851fc5f2c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3744
- C:\Windows\SysWOW64\serwer.exe
  "C:\Windows\system32\serwer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2560

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4104

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:\Windows\SysWOW64\serwer.exe

Filesize
14KB

MD5
59b705001eda3c4ea94ce15fb1841776

SHA1
e9e795dba3354d2b8996702bc3907d805aa53b2f

SHA256
b39f4a8d376abb8ddef330ddc449b6de16bc8c23dfc8f6002662ec000f8e20e6

SHA512
4bd7436eeae7d6cdd350f157ac26d82b1fa8e9ed048220b6bf6895a24dbe1fa1120ff24a959f98711866cdd461d7c2e5e996167849eb1189cdf98027bf3824d1

Download Submit
memory/2560-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

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