6b212523de4d981ee73509b71022c03735c602b3549a226759aa6d1d263a7912

Analysis

max time kernel
150s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 11:19

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General

Target

78045ffb11920b4d6e50a87a76701cf9_JaffaCakes118.exe
Size

44KB
MD5

78045ffb11920b4d6e50a87a76701cf9
SHA1

5b548bba846e44892f83ff7bed03b5f279fc13c6
SHA256

6b212523de4d981ee73509b71022c03735c602b3549a226759aa6d1d263a7912
SHA512

c9a739fffb5f7dddba0ee2e34fb0d0b180cd0a286b8ba096f891564c0db4af6126d15c5ae54bcececa8488d513f5197cd5acefd3589ba8ce2fdf5ad1695ea9ec
SSDEEP

768:WuuFTlp5vVRsVNpBr/tkolMXuFJzw49JP9tSqKY+jci2uGQW/pN:WuuFTONL/rOeFJTJqfMO8z

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\ntos.exe,"	ldr.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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	78045ffb11920b4d6e50a87a76701cf9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	ldr.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	ldr.exe
File created	C:\Windows\SysWOW64\ntos.exe	ldr.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	78045ffb11920b4d6e50a87a76701cf9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ldr.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2684	ldr.exe
2684	ldr.exe
2684	ldr.exe
2684	ldr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	ldr.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 2684	4492	78045ffb11920b4d6e50a87a76701cf9_JaffaCakes118.exe	84
PID 4492 wrote to memory of 2684	4492	78045ffb11920b4d6e50a87a76701cf9_JaffaCakes118.exe	84
PID 4492 wrote to memory of 2684	4492	78045ffb11920b4d6e50a87a76701cf9_JaffaCakes118.exe	84
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5
PID 2684 wrote to memory of 616	2684	ldr.exe	5

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Users\Admin\AppData\Local\Temp\78045ffb11920b4d6e50a87a76701cf9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\78045ffb11920b4d6e50a87a76701cf9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Users\Admin\AppData\Local\Temp\ldr.exe
  "C:\Users\Admin\AppData\Local\Temp\ldr.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ldr.exe

Filesize
43KB

MD5
b484264bca4286f65d5cb68efefa9dc4

SHA1
6106f512af63c2a1bb3b80a46c64141aff7e15f2

SHA256
7783064a91e1489355f8be100a6c5aac9d8a183879ddc7029e21726f79cfa9d2

SHA512
5c118ff2b2e604057c967da0c1d0c29622dfb26d9f797242d6b73c308338b81933c1b5a6b39b99ab636ec8a9bf881e4fa24f3ae91877f642580d8ecfe9e22bbb

Download Submit
memory/616-40-0x000000000BE40000-0x000000000BE62000-memory.dmp

Filesize
136KB

Download
memory/616-47-0x000000000BEA0000-0x000000000BEC2000-memory.dmp

Filesize
136KB

Download
memory/616-80-0x000000000C020000-0x000000000C042000-memory.dmp

Filesize
136KB

Download
memory/616-15-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/616-19-0x000000000BD50000-0x000000000BD72000-memory.dmp

Filesize
136KB

Download
memory/616-23-0x000000000BD80000-0x000000000BDA2000-memory.dmp

Filesize
136KB

Download
memory/616-27-0x000000000BDB0000-0x000000000BDD2000-memory.dmp

Filesize
136KB

Download
memory/616-31-0x000000000BDE0000-0x000000000BE02000-memory.dmp

Filesize
136KB

Download
memory/616-36-0x000000000BE10000-0x000000000BE32000-memory.dmp

Filesize
136KB

Download
memory/616-75-0x000000000BFF0000-0x000000000C012000-memory.dmp

Filesize
136KB

Download
memory/616-71-0x000000000BFC0000-0x000000000BFE2000-memory.dmp

Filesize
136KB

Download
memory/616-51-0x000000000BED0000-0x000000000BEF2000-memory.dmp

Filesize
136KB

Download
memory/616-43-0x000000000BE70000-0x000000000BE92000-memory.dmp

Filesize
136KB

Download
memory/616-55-0x000000000BF00000-0x000000000BF22000-memory.dmp

Filesize
136KB

Download
memory/616-59-0x000000000BF30000-0x000000000BF52000-memory.dmp

Filesize
136KB

Download
memory/616-63-0x000000000BF60000-0x000000000BF82000-memory.dmp

Filesize
136KB

Download
memory/616-69-0x000000000BF90000-0x000000000BFB2000-memory.dmp

Filesize
136KB

Download
memory/2684-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2684-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2684-9-0x000000000040F000-0x0000000000411000-memory.dmp

Filesize
8KB

Download
memory/2684-3021-0x000000000040F000-0x0000000000411000-memory.dmp

Filesize
8KB

Download