869f006aba0f2ad84c011dedf5af40585e14776f6f612e43b130911dd63c8f5c

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 10:39

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General

Target
869f006aba0f2ad84c011dedf5af40585e14776f6f612e43b130911dd63c8f5c.dll
Size 2.5MB
Sample240603-mpzvpsch26
SHA256 869f006aba0f2ad84c011dedf5af40585e14776f6f612e43b130911dd63c8f5c
MD5 f17a047d5924e12b100f5fb8e66f2389
SHA1 74e377ff05383312e64e940e698c4b2045959752
SHA512 5748fb1f1c963439374914f987b5f14c46435af30fe767d1a4168d4d055deaddaf6d8b569071ad5e1e5eed606039c82b579e3f454d26a5961606b6542bb97b01
SSDEEP 24576:E5pAvDqjWdUq+eYkNjenoIpaVIoRL+8EqTxqB9T9TgG04AM9e1eqlPrEH7y:TDtUoYEeoIM2q+8ESQHT9TgGT9KeqN
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000900000002328e-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
60	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000900000002328e-1.dat	upx
behavioral2/memory/60-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/60-7-0x0000000010000000-0x0000000010030000-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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	60	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 60	2972	rundll32.exe	84
PID 2972 wrote to memory of 60	2972	rundll32.exe	84
PID 2972 wrote to memory of 60	2972	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\869f006aba0f2ad84c011dedf5af40585e14776f6f612e43b130911dd63c8f5c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\869f006aba0f2ad84c011dedf5af40585e14776f6f612e43b130911dd63c8f5c.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:60

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

symsrv.dll

Path C:\Program Files\Common Files\System\symsrv.dll
Size 67KB
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/60-4-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/60-7-0x0000000010000000-0x0000000010030000-memory.dmp