4eaf2a90b0cf7e4c1df1670f3c9d25bee9f245a4e8f7fe3d02a225a4077378fd

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 19:55

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General

Target

f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
Size

408KB
MD5

f436ee86c9aa9c0dda6358a6c58f390a
SHA1

85c8956ff4404c81734576673b63202dec2d1bb5
SHA256

4eaf2a90b0cf7e4c1df1670f3c9d25bee9f245a4e8f7fe3d02a225a4077378fd
SHA512

125558319620fd6d90403e50965d3c85d6f66db523e88bee6235f94147424c347d6603bceb64f961340e5dcec4bbc48b2d403aafe4487e430db8bd5a9a6fd0dd
SSDEEP

12288:jOxhyZqMU8BBFesAMmDQmqO+48Z8PmSy:yxU8ByAMmDPE

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	attrib.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "NOTEPAD.EXE %1"	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 1668	2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe	28
PID 2800 wrote to memory of 1668	2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe	28
PID 2800 wrote to memory of 1668	2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe	28
PID 2800 wrote to memory of 1668	2800	f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe	28
PID 1668 wrote to memory of 2272	1668	cmd.exe	30
PID 1668 wrote to memory of 2272	1668	cmd.exe	30
PID 1668 wrote to memory of 2272	1668	cmd.exe	30
PID 1668 wrote to memory of 2272	1668	cmd.exe	30
PID 1668 wrote to memory of 2948	1668	cmd.exe	31
PID 1668 wrote to memory of 2948	1668	cmd.exe	31
PID 1668 wrote to memory of 2948	1668	cmd.exe	31
PID 1668 wrote to memory of 2948	1668	cmd.exe	31
PID 1668 wrote to memory of 2912	1668	cmd.exe	32
PID 1668 wrote to memory of 2912	1668	cmd.exe	32
PID 1668 wrote to memory of 2912	1668	cmd.exe	32
PID 1668 wrote to memory of 2912	1668	cmd.exe	32
PID 1668 wrote to memory of 2008	1668	cmd.exe	33
PID 1668 wrote to memory of 2008	1668	cmd.exe	33
PID 1668 wrote to memory of 2008	1668	cmd.exe	33
PID 1668 wrote to memory of 2008	1668	cmd.exe	33

Views/modifies file attributes 1 TTPs 4 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2272	attrib.exe
2948	attrib.exe
2912	attrib.exe
2008	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f436ee86c9aa9c0dda6358a6c58f390a_JaffaCakes118.exe"
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\SysWOW64\cmd.exe
  cmd /c .\TALme.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\attrib.exe
    attrib C:\Windows\system32\client.exe -h -r -s
    3⤵
    - Views/modifies file attributes
    PID:2272
- - C:\Windows\SysWOW64\attrib.exe
    attrib C:\Windows\system32\Explorer.exe -h -r -s
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:2948
- - C:\Windows\SysWOW64\attrib.exe
    attrib C:\Windows\system32\internat.dic -h -r -s
    3⤵
    - Views/modifies file attributes
    PID:2912
- - C:\Windows\SysWOW64\attrib.exe
    attrib C:\Windows\notepad.jmp -h -r -s
    3⤵
    - Views/modifies file attributes
    PID:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\TALme.bat

Filesize
363B

MD5
ac5efe21e1b1f47f1db39aaeac450d32

SHA1
9c0c7baf260fa29797411762e6ffc81be0cc5909

SHA256
5cc75cad64ad86d63ef590b5e2d79d2c054fb42c863b7bc5e63a35986ce37894

SHA512
0ac9b2622c38a6e5b3e3d846442b92371b4ade85960d15c87e36f4566f589e9416327f160bda824e21f036b545902ac3bab4b824d0ff6d1601d4cf60f6660703

Download Submit
memory/2800-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2800-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2800-10-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2800-12-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download