30beb4f31397f43b3caec6bf6d4c5a277a203c90451f35fac2bb850f639a6ef7

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 06:18

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General

Target

52c2f509847fbd0b4f71f0dfda585e37.dll
Size

32KB
MD5

52c2f509847fbd0b4f71f0dfda585e37
SHA1

304bc20a71ff757426b76c571f29f9f0f4b68c9b
SHA256

30beb4f31397f43b3caec6bf6d4c5a277a203c90451f35fac2bb850f639a6ef7
SHA512

5f58a43e245572e2e91a7acbc2bbe0ad02825f2b5cd1409e57c3837c5a0481d331586429125314d51d9a8f9ca521e3ef392496029a158bac3243b804230be1d3
SSDEEP

384:+mTPScPQPfRmL7k3F+e/eKRzr+Ujd9VKf6fX1qwnwy/CBfuA:+mpMoL6eKRzr+IHV31qny6BfuA

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2596	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
804	rundll32.exe
804	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 804	3044	rundll32.exe	28
PID 3044 wrote to memory of 804	3044	rundll32.exe	28
PID 3044 wrote to memory of 804	3044	rundll32.exe	28
PID 3044 wrote to memory of 804	3044	rundll32.exe	28
PID 3044 wrote to memory of 804	3044	rundll32.exe	28
PID 3044 wrote to memory of 804	3044	rundll32.exe	28
PID 3044 wrote to memory of 804	3044	rundll32.exe	28
PID 804 wrote to memory of 2876	804	rundll32.exe	29
PID 804 wrote to memory of 2876	804	rundll32.exe	29
PID 804 wrote to memory of 2876	804	rundll32.exe	29
PID 804 wrote to memory of 2876	804	rundll32.exe	29
PID 2876 wrote to memory of 2596	2876	cmd.exe	31
PID 2876 wrote to memory of 2596	2876	cmd.exe	31
PID 2876 wrote to memory of 2596	2876	cmd.exe	31
PID 2876 wrote to memory of 2596	2876	cmd.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\52c2f509847fbd0b4f71f0dfda585e37.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\52c2f509847fbd0b4f71f0dfda585e37.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2876
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:2596

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
179B

MD5
f3dbe232e05c7524d83f53e5b1d74903

SHA1
73f9f4252efc4ccb54aa7a000ababf88fcd5934c

SHA256
24228c7cc91bb36420590e9a46a668d5a336578c64c3db507559c5c24ab69782

SHA512
873a02dcf63f1fad1c1b508d8f330fde5ac5fc36c57b2e8ab18b632facd1f6f9c93335e7564cfdb12dc05c6b1317666faebb6a440bd0d968892a31a7d48764e9

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