f48167ca066052f30743f28b8b07941aeef91f93c677460545c9a34395196f03

Analysis

max time kernel
141s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 18:28

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General

Target

2355d53b6c74d4f82caece8f581c677c_JaffaCakes118.exe
Size

3.9MB
MD5

2355d53b6c74d4f82caece8f581c677c
SHA1

1283382c240f1de20ebdef88777c5a730d474804
SHA256

f48167ca066052f30743f28b8b07941aeef91f93c677460545c9a34395196f03
SHA512

45d135874cbaad555eb430825ca0510774ae0d5a3646f7c1e331fa44f7f1d7ff0b346e5e5f7ac6d56275bf083f33f9c251b81eed96c614f8857976d78b65d55e
SSDEEP

98304:kDDqF5y5Z749uqDODECL/stieg3iIyCwD/:TF58cDODECL/soeqi3B/

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2944	SeFastInstall.exe
2248	Maxthon.exe
2272	Maxthon.tmp

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023412-7.dat	upx
behavioral2/memory/2944-9-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral2/memory/2944-26-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral2/memory/2944-32-0x0000000000400000-0x00000000004AB000-memory.dmp	upx

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	SeFastInstall.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2944	SeFastInstall.exe
2944	SeFastInstall.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 2944	3188	2355d53b6c74d4f82caece8f581c677c_JaffaCakes118.exe	81
PID 3188 wrote to memory of 2944	3188	2355d53b6c74d4f82caece8f581c677c_JaffaCakes118.exe	81
PID 3188 wrote to memory of 2944	3188	2355d53b6c74d4f82caece8f581c677c_JaffaCakes118.exe	81
PID 3188 wrote to memory of 2248	3188	2355d53b6c74d4f82caece8f581c677c_JaffaCakes118.exe	82
PID 3188 wrote to memory of 2248	3188	2355d53b6c74d4f82caece8f581c677c_JaffaCakes118.exe	82
PID 3188 wrote to memory of 2248	3188	2355d53b6c74d4f82caece8f581c677c_JaffaCakes118.exe	82
PID 2248 wrote to memory of 2272	2248	Maxthon.exe	83
PID 2248 wrote to memory of 2272	2248	Maxthon.exe	83
PID 2248 wrote to memory of 2272	2248	Maxthon.exe	83

C:\Users\Admin\AppData\Local\Temp\2355d53b6c74d4f82caece8f581c677c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2355d53b6c74d4f82caece8f581c677c_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Users\Admin\AppData\Local\Temp\SeFastInstall.exe
  C:\Users\Admin\AppData\Local\Temp\SeFastInstall.exe
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetWindowsHookEx
  PID:2944
- C:\Users\Admin\AppData\Local\Temp\Maxthon.exe
  C:\Users\Admin\AppData\Local\Temp\Maxthon.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Users\Admin\AppData\Local\Temp\is-7SNA7.tmp\Maxthon.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-7SNA7.tmp\Maxthon.tmp" /SL5="$70092,2728859,51712,C:\Users\Admin\AppData\Local\Temp\Maxthon.exe"
    3⤵
    - Executes dropped EXE
    PID:2272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Maxthon.exe

Filesize
2.9MB

MD5
cba303fa69aeb25bc0de8d091268b37a

SHA1
47b5a8b97ee6dcf7367cc7fc4f96533325f772ff

SHA256
c8d9e0c23746fad6884814d047fbbfacb797c90bc13601aac114c171360493d4

SHA512
ba2ea01f9e32fa0aeebb791c35ccf18b7800bfe8f76fc79e28d2cd646980fce302edfc70a667fd2bcbc4a1a953eeef6f22801d4da9d3eb4baf6b26eeb9376c6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\SeFastInstall.exe

Filesize
222KB

MD5
86233d22d29833ef8e81e2b84734f74d

SHA1
be18c7bad708929843eb74828ef986c9177df29d

SHA256
9da46947678441028a0ebe57666ec43791b3ae5217d75c2c47c599c6fc016b72

SHA512
f6bde93171977d3b20c8d7ab836b9962d887a064b79f3f6090dbcd308144b8801dc4043be33aab09446eab7244ebd95bbc8e01d1044f40578be1ea61afa7433d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7SNA7.tmp\Maxthon.tmp

Filesize
693KB

MD5
82e31dc1c0fa036f7dfaff76c13003cf

SHA1
2642671a2faf72af7d64e953b49e62f538d53824

SHA256
db6aa814463fa84a36bd66efacfaa1b91f92ba658b7145fabf5f6ee018e4c634

SHA512
86f09d6387fedf6cfec7edd1e93ad89898377e314baaf75dc090194c3af17339a592ba5342c5240be4f9a12bbc40f621062226660b32047843564037155b3641

Download Submit
memory/2248-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2248-15-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2248-27-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2272-25-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2272-28-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2944-9-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2944-26-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2944-32-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads