7ac734181895dbe1ad094cd21d9da9328622f0302611c0b84b23afa677982266

Analysis

max time kernel
150s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 09:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe
Size

12KB
MD5

ef86ce41bf8067df656d6b32a40bb526
SHA1

15c163dde04032e62ad54eaa52af06d14ba002c3
SHA256

7ac734181895dbe1ad094cd21d9da9328622f0302611c0b84b23afa677982266
SHA512

36a6477cff7f0e5742d83a335eaf4e336548fa9eed21e333e8eedad3624a0c9042fae01b5251b1eda95035306c32edd2a8a9f970fc1f90f1e9cea66463129343
SSDEEP

192:hgqeHj2QpaaMOyhyGwWIlDeiUX3bXL+V9Mii5uHWNFDyS91/7xqsHCuTKZ:hrEj2ipQyGwW4Mfii5VDy+keCA8

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
4596	delnicek.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4796-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0008000000023430-4.dat	upx
behavioral2/memory/4796-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4596-8-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\delnicek.exe	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\delnicek.exe	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\delnice.dll	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	delnicek.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 4596	4796	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe	82
PID 4796 wrote to memory of 4596	4796	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe	82
PID 4796 wrote to memory of 4596	4796	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe	82
PID 4796 wrote to memory of 4140	4796	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe	91
PID 4796 wrote to memory of 4140	4796	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe	91
PID 4796 wrote to memory of 4140	4796	ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Windows\SysWOW64\delnicek.exe
  C:\Windows\system32\delnicek.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4596
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ef86ce41bf8067df656d6b32a40bb526_JaffaCakes118.exe.bat

Filesize
210B

MD5
b1d497987141f21fef3aec93f8423c72

SHA1
2ee7d62b42a3d8aa37a3033e15f86766a81c80fb

SHA256
a0c5c7da1cd8b1cb80b210384a77020a6455a8c004f56f19a7f68191a5531e79

SHA512
672b35c676ee6db3f25b3f308fad6c800cc8ab60a12c4e8b4888c68f1192bf63f99c2482a024e3e2e316af314d8ff23186f836a3e2d3094d9e40ad9b2feb0c03

Download Submit
C:\Windows\SysWOW64\delnicek.exe

Filesize
12KB

MD5
ef86ce41bf8067df656d6b32a40bb526

SHA1
15c163dde04032e62ad54eaa52af06d14ba002c3

SHA256
7ac734181895dbe1ad094cd21d9da9328622f0302611c0b84b23afa677982266

SHA512
36a6477cff7f0e5742d83a335eaf4e336548fa9eed21e333e8eedad3624a0c9042fae01b5251b1eda95035306c32edd2a8a9f970fc1f90f1e9cea66463129343

Download Submit
memory/4596-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4796-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4796-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download