f468e79d9060ca55a33880979a8f06703c9ab0253005f4bcdab0f714aaffe424

Analysis

max time kernel
142s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2024, 08:55

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General

Target

f468e79d9060ca55a33880979a8f06703c9ab0253005f4bcdab0f714aaffe424.dll
Size

223KB
MD5

b48057987bcb4f8c25ee917fb18702c4
SHA1

3e15802330884170112da6dfbb99959d645ebb99
SHA256

f468e79d9060ca55a33880979a8f06703c9ab0253005f4bcdab0f714aaffe424
SHA512

d50997fcfa213a5c602ccce9e745bdc52d2584d02173638fc14bd8789a9f85a24c6ec8530974a917665248ab5bd6c01024caf2835a71ac1a66a6290c8526d455
SSDEEP

3072:6huf5AUWGeRJvK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKD5:ZBAUWGejVagufYLIBV+UdvrEFp7hKD5

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000800000002326a-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
636	rundll32.exe
636	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000002326a-1.dat	upx
behavioral2/memory/636-8-0x00000000025F0000-0x0000000002620000-memory.dmp	upx
behavioral2/memory/636-12-0x00000000025F0000-0x0000000002620000-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
5068	636	WerFault.exe	91

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 636	1244	rundll32.exe	91
PID 1244 wrote to memory of 636	1244	rundll32.exe	91
PID 1244 wrote to memory of 636	1244	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f468e79d9060ca55a33880979a8f06703c9ab0253005f4bcdab0f714aaffe424.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f468e79d9060ca55a33880979a8f06703c9ab0253005f4bcdab0f714aaffe424.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 696
    3⤵
    - Program crash
    PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 636 -ip 636
1⤵
PID:2120

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=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:2068

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/636-8-0x00000000025F0000-0x0000000002620000-memory.dmp

Filesize
192KB

Download
memory/636-6-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/636-10-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/636-12-0x00000000025F0000-0x0000000002620000-memory.dmp

Filesize
192KB

Download