2df03d4918abfe350a92964639afbf422c420a98c8b854744f2a7ba34c057fe4

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
13/11/2023, 05:27

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General

Target

NEAS.c06382cbf907654046d2682efc1e9b50.dll
Size

176KB
MD5

c06382cbf907654046d2682efc1e9b50
SHA1

00c29a23a80967e0a87421c42b32565e89d0b1ac
SHA256

2df03d4918abfe350a92964639afbf422c420a98c8b854744f2a7ba34c057fe4
SHA512

7d227c8f98665e25f32dcfb43920124aff309a94171705fc13d37e0c89e1c3f9bb7c49162bfcf2fdc40d6233576273d0083707002f733e655915e28cce7b3859
SSDEEP

3072:Nz4sP5kHDPmoUo/ymchA2lQBV+UdE+rECWp7hKG0tvLp:5PWdBV+UdvrEFp7hKGELp

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
behavioral1/files/0x00070000000120e6-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1912	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1912-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1912-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x00070000000120e6-1.dat	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	1912	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 1912	2164	rundll32.exe	28
PID 2164 wrote to memory of 1912	2164	rundll32.exe	28
PID 2164 wrote to memory of 1912	2164	rundll32.exe	28
PID 2164 wrote to memory of 1912	2164	rundll32.exe	28
PID 2164 wrote to memory of 1912	2164	rundll32.exe	28
PID 2164 wrote to memory of 1912	2164	rundll32.exe	28
PID 2164 wrote to memory of 1912	2164	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c06382cbf907654046d2682efc1e9b50.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c06382cbf907654046d2682efc1e9b50.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1912

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1912-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1912-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download