dd94c070be1d27039d0bf8b12283a3e01fb3f051c769df9628b0e555b73cca86

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 15:19

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General

Target

a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe
Size

730KB
MD5

a7294aadae23c3d7ff85ff8850a51569
SHA1

af32d1edd6bc966059db84caf96084d3a384ee20
SHA256

dd94c070be1d27039d0bf8b12283a3e01fb3f051c769df9628b0e555b73cca86
SHA512

00463bf1ff9c120007da95a66bd3a97bf41ecd00c6f544db28433d93a9ab1675829338702b56164423d5d123b9415137c93c67acbc78d9b35f5d6b27a4102032
SSDEEP

12288:7ZjUedriTo7Cop3FgFvIOvksapyJn9L+DSN+jsJFOKGRdVLxsubmwKLn4DTzqnrh:NAedNT+vIOvkI3SDLjiFOKGRLiubmwK0

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2232	unsecapp.exe

Loads dropped DLL 2 IoCs

pid	Process
2888	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe
2888	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-0-0x0000000000400000-0x00000000005BB000-memory.dmp	upx
behavioral1/memory/2888-13-0x0000000000400000-0x00000000005BB000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Microsoft® Windows® Operating System = "wuaumgr.exe"	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Microsoft® Windows® Operating System = "C:\\Windows\\SysWOW64\\unsecapp.exe \"wuaumgr.exe\" /D01 /H"	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\unsecapp.exe	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wucltuip.dll	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wuaumgr.exe	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wuaumgr.exe	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wucltuip.dll	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe

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	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unsecapp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2232	2888	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe	30
PID 2888 wrote to memory of 2232	2888	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe	30
PID 2888 wrote to memory of 2232	2888	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe	30
PID 2888 wrote to memory of 2232	2888	a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a7294aadae23c3d7ff85ff8850a51569_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\unsecapp.exe
  "wuaumgr.exe" /D1080 /H
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

C:\Windows\SysWOW64\unsecapp.exe

Filesize
44KB

MD5
3e7b2657393716b9f458417c3d62b474

SHA1
8552367d6f3a7d5359f2e0c84a39d908dfe34fa8

SHA256
122276627810509260d8a3504f3f9e437158a5415fceda25cc07db706a7dd3df

SHA512
cddd5dc3a9fd264979ff5f39bbe065edb47df9126f052e6bdcd65f5f27026cfa950eace81b02da7e173e25dd5736cddf8469d0a4f28e3f62104293ba99d7fe7f

Download Submit
memory/2888-0-0x0000000000400000-0x00000000005BB000-memory.dmp

Filesize
1.7MB

Download
memory/2888-13-0x0000000000400000-0x00000000005BB000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads