b0b238485e93e4c2fde717c1d672afdd092b026aa7181fd8aff03ba29400386a

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/05/2024, 06:39

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General

Target

b0b238485e93e4c2fde717c1d672afdd092b026aa7181fd8aff03ba29400386a.dll
Size

223KB
MD5

1bffb4f73a398074b35a5f28c68ce6c9
SHA1

f9f82342306d3fb82199325daec8d56833ebfb77
SHA256

b0b238485e93e4c2fde717c1d672afdd092b026aa7181fd8aff03ba29400386a
SHA512

c9c2624cdbf709d5754458a748bffa4f2e6bd1642710175445f80840233021d7d06176519d852db5f29119d40d37257c2e52f6db4238353373a9cde0cbbfdf52
SSDEEP

3072:6huf5AUWGIcvbJvKW2gufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKDooyKz:ZBAUWGFF2gufYLIBV+UdvrEFp7hKDTy0

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/0x0008000000022f51-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
3600	rundll32.exe
3600	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000022f51-1.dat	upx
behavioral2/memory/3600-6-0x00000000009B0000-0x00000000009E0000-memory.dmp	upx
behavioral2/memory/3600-7-0x00000000009B0000-0x00000000009E0000-memory.dmp	upx
behavioral2/memory/3600-11-0x00000000009B0000-0x00000000009E0000-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
1676	3600	WerFault.exe	82

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3600	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 3600	2632	rundll32.exe	82
PID 2632 wrote to memory of 3600	2632	rundll32.exe	82
PID 2632 wrote to memory of 3600	2632	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0b238485e93e4c2fde717c1d672afdd092b026aa7181fd8aff03ba29400386a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0b238485e93e4c2fde717c1d672afdd092b026aa7181fd8aff03ba29400386a.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3600 -s 712
    3⤵
    - Program crash
    PID:1676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3600 -ip 3600
1⤵
PID:2760

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/3600-6-0x00000000009B0000-0x00000000009E0000-memory.dmp

Filesize
192KB

Download
memory/3600-7-0x00000000009B0000-0x00000000009E0000-memory.dmp

Filesize
192KB

Download
memory/3600-9-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/3600-11-0x00000000009B0000-0x00000000009E0000-memory.dmp

Filesize
192KB

Download