3f0f814c3dc8bcac30fff541f93b5f70c54da9b7ecf212393e2014380fc14581

Analysis

max time kernel
144s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 18:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3f0f814c3dc8bcac30fff541f93b5f70c54da9b7ecf212393e2014380fc14581.dll
Size

754KB
MD5

95a93810e51a9ff431cfdebc36c088ba
SHA1

930442f627a250795a0e7363b5620b05282541c2
SHA256

3f0f814c3dc8bcac30fff541f93b5f70c54da9b7ecf212393e2014380fc14581
SHA512

4c5671340599f183c8b4f97388a41e56c11d35c025ff729b46e6c2c15c9239a86b827941f0ebae4b0028ed4dc6895c13872510712cd37ed10d01b9fb24396a09
SSDEEP

12288:mmwqOUengE0phFKxZVovamPYySE4B2BzkfWvPfuh2fn//lghUQKuyvcI+jKKj+zc:mTwEu8ZOimgySE4BoznKIlLuyEI+CV6h

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/files/0x00030000000227e7-1.dat	UPX
behavioral2/memory/3552-2-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/3552-8-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/3552-10-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00030000000227e7-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3552	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00030000000227e7-1.dat	upx
behavioral2/memory/3552-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3552-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3552-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3692	3552	WerFault.exe	94

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3552	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 3552	1588	rundll32.exe	94
PID 1588 wrote to memory of 3552	1588	rundll32.exe	94
PID 1588 wrote to memory of 3552	1588	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f0f814c3dc8bcac30fff541f93b5f70c54da9b7ecf212393e2014380fc14581.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f0f814c3dc8bcac30fff541f93b5f70c54da9b7ecf212393e2014380fc14581.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 712
    3⤵
    - Program crash
    PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3552 -ip 3552
1⤵
PID:1712

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 --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:2264

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3552-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3552-5-0x0000000061C00000-0x0000000061C9C000-memory.dmp

Filesize
624KB

Download
memory/3552-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3552-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download