c95cc7a1062feeee8b8b8f1ba7c05f610d48767a9a3f1ecc2cc68b6c79c4f806

Analysis

max time kernel
94s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 19:56

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General

Target

d058638932bffcf088b846ef86820e00_JaffaCakes118.exe
Size

28KB
MD5

d058638932bffcf088b846ef86820e00
SHA1

2eb87bd9d32d87d73f5bbb2f3926cbd8b3f599e0
SHA256

c95cc7a1062feeee8b8b8f1ba7c05f610d48767a9a3f1ecc2cc68b6c79c4f806
SHA512

61907d8b1c05e3b254bbedd109649544a780f2c1fa40911ca470c0d6b27c29288a97633ad20adf41b709485e238cf4290079d5b86e615e9f1b6443d678e8c7b6
SSDEEP

384:ljaJ0IdcybzSrgAKl/slGc5ujBqhb6u9wJdOe8QUhc2s8rWYvFkJTgLOtrs8KeQ9:IeIKONOGc5uqOlJcZQUFRiYtkCLMP87V

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2444-0-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral2/memory/2444-4-0x0000000000400000-0x0000000000415000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\svchost.exe:ext.exe	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fci.exe	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fci.exe	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2888	2444	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2136	2888	WerFault.exe	83

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	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2888	2444	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe	83
PID 2444 wrote to memory of 2888	2444	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe	83
PID 2444 wrote to memory of 2888	2444	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe	83
PID 2444 wrote to memory of 3364	2444	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe	85
PID 2444 wrote to memory of 3364	2444	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe	85
PID 2444 wrote to memory of 3364	2444	d058638932bffcf088b846ef86820e00_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\d058638932bffcf088b846ef86820e00_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d058638932bffcf088b846ef86820e00_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 196
    3⤵
    - Program crash
    PID:2136
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\5177347.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2888 -ip 2888
1⤵
PID:2080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\AppData\Local\Temp\5177347.bat

Filesize
263B

MD5
a24897cbe4b28d94febe2f495a1a0054

SHA1
ccb920eba41cbf02cb5a0e322d749414c406a429

SHA256
6efdd9a1d5116e74dd6ee566be13814f1d7b86555fda0cfe203124d273d315da

SHA512
619518923a064d97b24329d6fe11422a1e5a69eab8563e8186db7207ac94f6701e6f927d6e3a3709ddb21e75ad8fe3e459e20f57b533b02e9acaa8ed910f5011

Download Submit
memory/2444-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2444-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download