448b0b93c0fac0ef8827f7ffa5098250f0a03aed8e189c42fd4a5e04b1018033

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 18:36

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General

Target

d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe
Size

127KB
MD5

d0358254ac3378f4c5892d26ae9fed04
SHA1

5291286f4843e87be0e7e9d2bce8a5d0a7e13575
SHA256

448b0b93c0fac0ef8827f7ffa5098250f0a03aed8e189c42fd4a5e04b1018033
SHA512

63f00db92384d4a5b4f09f6bd68a4fbbac817cfadb10d6188e0433402688791d11143fbfca0eebf51434a34c81a59dc2cab961fc37f134046d673b020a6c59c7
SSDEEP

3072:UHO5Up0+TgJ7ub7uZ4CM1zXXcgNcO0nPVQ/5bR7+muaf5UJv:dy0yU7ubqZpUXJmOoq3hQ

Score

10^/10

discovery persistence upx

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\\userinit.exe,C:\\Windows\\system32\\winhelp.exe"	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2020	cmd.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2072-0-0x0000000000400000-0x0000000000448000-memory.dmp	upx
behavioral1/memory/2072-16-0x0000000000400000-0x0000000000448000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winhelp.exe	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\winhelp.exe	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2712	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	30
PID 2072 wrote to memory of 2712	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	30
PID 2072 wrote to memory of 2712	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	30
PID 2072 wrote to memory of 2712	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	30
PID 2072 wrote to memory of 2712	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	30
PID 2072 wrote to memory of 2712	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	30
PID 2072 wrote to memory of 2712	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	30
PID 2072 wrote to memory of 2712	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	30
PID 2072 wrote to memory of 2712	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	30
PID 2072 wrote to memory of 2256	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2256	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2256	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2256	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	31
PID 2072 wrote to memory of 1724	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	32
PID 2072 wrote to memory of 1724	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	32
PID 2072 wrote to memory of 1724	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	32
PID 2072 wrote to memory of 1724	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	32
PID 2072 wrote to memory of 2080	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	33
PID 2072 wrote to memory of 2080	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	33
PID 2072 wrote to memory of 2080	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	33
PID 2072 wrote to memory of 2080	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	33
PID 2072 wrote to memory of 2924	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	34
PID 2072 wrote to memory of 2924	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	34
PID 2072 wrote to memory of 2924	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	34
PID 2072 wrote to memory of 2924	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	34
PID 2072 wrote to memory of 2020	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	35
PID 2072 wrote to memory of 2020	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	35
PID 2072 wrote to memory of 2020	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	35
PID 2072 wrote to memory of 2020	2072	d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\svchost.exe
  svchost
  2⤵
  PID:2712
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "del "C:\Users\Admin\AppData\Local\Temp\d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe""
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "del "C:\Users\Admin\AppData\Local\Temp\d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe""
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "del "C:\Users\Admin\AppData\Local\Temp\d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe""
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2080
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "del "C:\Users\Admin\AppData\Local\Temp\d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe""
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "del "C:\Users\Admin\AppData\Local\Temp\d0358254ac3378f4c5892d26ae9fed04_JaffaCakes118.exe""
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2020

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2072-0-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2072-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2712-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-12-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2712-9-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2712-6-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2712-2-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2712-5-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads