d531bb88f09d76a70b36d9ef4790a736dc4c0d6ba3a63187c228fc982b533c95

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 10:31

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General

Target

aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe
Size

4.0MB
MD5

aaa6ce5c677b3c38cfb9f6d4e2d9f878
SHA1

153178bd2e909c827b5c8f74ac8f464247ed4314
SHA256

d531bb88f09d76a70b36d9ef4790a736dc4c0d6ba3a63187c228fc982b533c95
SHA512

164f0b28794e527c97220ad6b89a462f3fe17c061f8f93052097439965877ec15eb631197a2e82b97b50b5ec750b7dd0a90584ba4b1f261dfd39f8605c8ba42d
SSDEEP

98304:NhSf5W8Brs1+4afc3Ty1rXm+4p7hsSnl+pUo6IXp6:bGhBs1Zk7z4p7uSn1a8

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5080	_B6EC.tmpac7d.exe

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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\o6jeknuvdno0 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe"	aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Security Monitor = "\"C:\\Users\\Admin\\AppData\\Roaming\\Security Monitor\\Security Monitor.exe\" /STARTUP"	aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3424	4908	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	aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_B6EC.tmpac7d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4908	aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4908	aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 5080	4908	aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe	84
PID 4908 wrote to memory of 5080	4908	aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe	84
PID 4908 wrote to memory of 5080	4908	aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aaa6ce5c677b3c38cfb9f6d4e2d9f878_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Users\Admin\AppData\Local\Temp\_B6EC.tmpac7d.exe
  "C:\Users\Admin\AppData\Local\Temp\_B6EC.tmpac7d.exe" -p"09:03 PM" -y -o"C:\Users\Admin\AppData\Roaming\Security Monitor"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 896
  2⤵
  - Program crash
  PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4908 -ip 4908
1⤵
PID:3456

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

Query Registry

T1012

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\_B6EC.tmpac7d.exe

Filesize
2.7MB

MD5
be76e3051c9d0d20fea5699195e77305

SHA1
2098c8ca26ddb73839b5fbf7c24924a3f47ebfff

SHA256
be21bc17c1f9bf15b199dca63abe20d9ea8bc01a2e4e870185ac08dfd81f7ff0

SHA512
88d2ba128fe376430624624bb9b94f8dc8104531f1d56b77cf77a7a007e62fe6aa783def0861b46b3f790d30b8a1b4083e2bdd2c68522b8add1bf15e82076c4b

Download Submit
memory/4908-0-0x0000000002E20000-0x00000000031F2000-memory.dmp

Filesize
3.8MB

Download
memory/4908-1-0x0000000000400000-0x0000000000BB4000-memory.dmp

Filesize
7.7MB

Download
memory/4908-2-0x0000000002D20000-0x0000000002D21000-memory.dmp

Filesize
4KB

Download
memory/4908-3-0x0000000000401000-0x00000000005E5000-memory.dmp

Filesize
1.9MB

Download
memory/4908-21-0x0000000002E20000-0x00000000031F2000-memory.dmp

Filesize
3.8MB

Download
memory/4908-20-0x0000000000401000-0x00000000005E5000-memory.dmp

Filesize
1.9MB

Download
memory/4908-19-0x0000000000400000-0x0000000000BB4000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads