fa380ef483b4f778f375c3bb4a17820ee0df894538a45230499675d9f795ae86

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2024, 14:32

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General

Target

fa380ef483b4f778f375c3bb4a17820ee0df894538a45230499675d9f795ae86.dll
Size

367KB
MD5

efad588b143c5bfaa111a4523f8e4658
SHA1

583c3de49edb95a62c1da2e0caabc1517de9c9a6
SHA256

fa380ef483b4f778f375c3bb4a17820ee0df894538a45230499675d9f795ae86
SHA512

5ca97676405a005dde40020faa1054726e3d6d364abf5240641d4a9a6398f429d3056552bfdfe86af3f8b6b36891e41a6b0a8492e578fd59ef565541dc05ce31
SSDEEP

6144:u9Z/IqqjlSnNdQUj4bIegqPJIrcoeutIp157Ls0I4BV+UdvrEFp7hKPeE:ubqGQgqPJIrcoeutIp1GmBjvrEH7ceE

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/0x00080000000233e6-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1072	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00080000000233e6-1.dat	upx
behavioral2/memory/1072-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1072-9-0x0000000010000000-0x0000000010030000-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 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1072	rundll32.exe
Token: SeDebugPrivilege	1072	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 1072	4380	rundll32.exe	81
PID 4380 wrote to memory of 1072	4380	rundll32.exe	81
PID 4380 wrote to memory of 1072	4380	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa380ef483b4f778f375c3bb4a17820ee0df894538a45230499675d9f795ae86.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa380ef483b4f778f375c3bb4a17820ee0df894538a45230499675d9f795ae86.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1072

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1072-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1072-5-0x0000000075401000-0x0000000075402000-memory.dmp

Filesize
4KB

Download
memory/1072-6-0x0000000075400000-0x000000007544C000-memory.dmp

Filesize
304KB

Download
memory/1072-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download