39e11c660ab5c85f9d7a277af1bdcb56e51710f7eaf71aed64eea167266bb764

Resubmissions

08-05-2023 13:17

230508-qjgzgsce9x 10

08-05-2023 13:13

230508-qgbdxsce8z 10

Analysis

max time kernel
28s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
08-05-2023 13:17

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Report Analysis Logs

General

Target

Bouwvak 2023.xlsx.attack1
Size

13KB
MD5

302df02294aac829e52f5fb98cec7bb5
SHA1

4ea18208afcb41d3abffc99cd65a148dff9d77a5
SHA256

c455c3d589a7e55160d252de84775e9499f962b6669a2287cb701560e0f6b5f3
SHA512

407fc5ad94ab3d54a5cbc7cf816502df14035ffa81c534919882d9b57d8464d4e9fe1d43e928d16108b50694a4d7c406bb2713319ecbffc3a40e8c30af1904e2
SSDEEP

384:Jd3ymUJMblIBhObKCq1pAW8N8I3k1+/uLdmoMPl:JBlUJLKbK/pAW8KI01+/tZl

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

1480 rundll32.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

rundll32.exe

pid	process
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2044 wrote to memory of 1480	2044	cmd.exe	rundll32.exe
PID 2044 wrote to memory of 1480	2044	cmd.exe	rundll32.exe
PID 2044 wrote to memory of 1480	2044	cmd.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Bouwvak 2023.xlsx.attack1"
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Bouwvak 2023.xlsx.attack1
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  PID:1480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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