8e40da94312db8db62190d7bc6a80214a12727eae9f722b90de45c94a46e1b59

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 13:37

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General

Target

067c1e91c7ebc1820121b13bf4f1299d_JaffaCakes118.exe
Size

62KB
MD5

067c1e91c7ebc1820121b13bf4f1299d
SHA1

2f27b2f2aa26f64649f3c0cd7d321f41c5c7e8db
SHA256

8e40da94312db8db62190d7bc6a80214a12727eae9f722b90de45c94a46e1b59
SHA512

9e4604114d9fd1d756d15ef2eca18319e9bbd6e08514605013a3a865dd04033ad526a5edfb64569e259f6261bc402c7d9609044471be8b784d8232dab17db423
SSDEEP

1536:SJfGN5wU8yGGmMvB1HG01VVEfvR7TnrHN:CoCL5M/G01VVkR7TnR

Score

8^/10

persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 3 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchost\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\assxer.dll"	067c1e91c7ebc1820121b13bf4f1299d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\svchost\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\assxer.dll"	067c1e91c7ebc1820121b13bf4f1299d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\svchost\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\assxer.dll"	067c1e91c7ebc1820121b13bf4f1299d_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1836	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
4072	067c1e91c7ebc1820121b13bf4f1299d_JaffaCakes118.exe
1836	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\0004abc0.001	067c1e91c7ebc1820121b13bf4f1299d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\assxer.dll	067c1e91c7ebc1820121b13bf4f1299d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1836	svchost.exe
1836	svchost.exe
1836	svchost.exe

C:\Users\Admin\AppData\Local\Temp\067c1e91c7ebc1820121b13bf4f1299d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\067c1e91c7ebc1820121b13bf4f1299d_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
PID:4072

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k svchost
1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:1836

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4168,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=3896 /prefetch:8
1⤵
PID:4856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\assxer.dll

Filesize
89KB

MD5
5616eb41e966b1bd5f332715e9760641

SHA1
cfc51a8acdf30306916eafc9cbd957136bd62fdd

SHA256
407009871ed6a472ec2178c833a18c9e7fa06d88ec3351373a8606cb04aea04c

SHA512
fdfa21035593fe2dac1ec921366cdf67217d5ddcadf5904bd8e67dd8721db31b4d31f69cbd5ebc366bc9af9ec50e459a549c57f684a5304fd87b4180649882c3

Download Submit
memory/4072-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4072-8-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download