c10c73b03b646f15d02c1901272f960fbe007d076d65a0c5cc6f863a05066aa4

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 05:58

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General

Target

c10c73b03b646f15d02c1901272f960fbe007d076d65a0c5cc6f863a05066aa4.dll
Size

632KB
MD5

02d8e5f34086d27831454c8d0aaaffb3
SHA1

ebd35fe5ec96cc7154b2ac1436255506fa9d5083
SHA256

c10c73b03b646f15d02c1901272f960fbe007d076d65a0c5cc6f863a05066aa4
SHA512

64cc4839365f9248c6cb7d69fea5887a9c6ad60418321c36733b6cc513f27e54b690db066933ddd3645203948254b58055f39a4e2ba9672b5043fc2e3363a0cc
SSDEEP

12288:O2ojozpSrNlxw8NjvPyA0Y9b4U54hv+QohBjvrEH7B:O2gspSrtwmjtF9bB4hvXo/rEH7B

Score

8^/10

upx

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
22	3424	rundll32.exe
42	3424	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000800000002322c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3424	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000002322c-1.dat	upx
behavioral2/memory/3424-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3424-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	rundll32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	\??\c:\program files\common files\system\symsrv.dll.000	rundll32.exe
File created	C:\Program Files\Common Files\System\symsrv.dll	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3424	rundll32.exe
3424	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3424	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3424	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 3424	3420	rundll32.exe	87
PID 3420 wrote to memory of 3424	3420	rundll32.exe	87
PID 3420 wrote to memory of 3424	3420	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c10c73b03b646f15d02c1901272f960fbe007d076d65a0c5cc6f863a05066aa4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c10c73b03b646f15d02c1901272f960fbe007d076d65a0c5cc6f863a05066aa4.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Enumerates connected drives
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:3424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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/3424-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3424-5-0x0000000074C10000-0x0000000074C9B000-memory.dmp

Filesize
556KB

Download
memory/3424-8-0x0000000075080000-0x00000000750E3000-memory.dmp

Filesize
396KB

Download
memory/3424-9-0x0000000075080000-0x00000000750E3000-memory.dmp

Filesize
396KB

Download
memory/3424-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3424-11-0x0000000075080000-0x00000000750E3000-memory.dmp

Filesize
396KB

Download