8364bf90f2076d0c115abd6f1e545209c4e051ff4d5a8e639813b00905f99a3b

Analysis

max time kernel
150s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 07:47

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe
Size

12KB
MD5

f5872d0822d6722780b8c7968834d102
SHA1

a45af00070027ab961267bb718f42b9b7d4da673
SHA256

8364bf90f2076d0c115abd6f1e545209c4e051ff4d5a8e639813b00905f99a3b
SHA512

88bc35bffd9e0d65584ea39521cf3049081ef66d0bcbb5b3136c7f0648dfd5a950edc26dbe816e4913515d9f0efd73f88fdf2988765dadd24003c1abd9b69840
SSDEEP

192:OCfMTmJFxka1g+5dSI/6PRu++LqB2D+K9TjvB29AidBTkWSOu:OCfRFSe+u6PRhtRdBlSL

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
2764	cxholek.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cxhole.dll	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cxholek.exe	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\cxholek.exe	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3604-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x00080000000234d9-4.dat	upx
behavioral2/memory/3604-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/2764-8-0x0000000000400000-0x000000000040F000-memory.dmp	upx

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	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cxholek.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 2764	3604	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe	81
PID 3604 wrote to memory of 2764	3604	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe	81
PID 3604 wrote to memory of 2764	3604	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe	81
PID 3604 wrote to memory of 1360	3604	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe	91
PID 3604 wrote to memory of 1360	3604	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe	91
PID 3604 wrote to memory of 1360	3604	f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Windows\SysWOW64\cxholek.exe
  C:\Windows\system32\cxholek.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1360

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\f5872d0822d6722780b8c7968834d102_JaffaCakes118.exe.bat

Filesize
210B

MD5
036634bb80125450ec67965203c310f4

SHA1
947c30e78dd78c095c87c476c5911ae9afadf56a

SHA256
e816ee2db2d7bdf10d5460ccccdad68773fd309294bde75e28a92461941d4591

SHA512
7f8155c3525800eee0516ab3282b0f4810185130b349a22b20961e5ea8c61ab8cb9493288ebde19885fc03a5aea3b9b5b36cbc07d508d4855efc202abb6430a5

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

Filesize
12KB

MD5
f5872d0822d6722780b8c7968834d102

SHA1
a45af00070027ab961267bb718f42b9b7d4da673

SHA256
8364bf90f2076d0c115abd6f1e545209c4e051ff4d5a8e639813b00905f99a3b

SHA512
88bc35bffd9e0d65584ea39521cf3049081ef66d0bcbb5b3136c7f0648dfd5a950edc26dbe816e4913515d9f0efd73f88fdf2988765dadd24003c1abd9b69840

Download Submit
memory/2764-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3604-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3604-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download