fe9d41b8180603a4db4143f5ccb0465db59fb715ca2ce05790f403f124274b40

Resubmissions

03/11/2023, 06:30

231103-g9z4badc91 3

02/11/2023, 12:53

231102-p4vkmsea68 3

02/11/2023, 09:44

231102-lqmfbsab7t 4

02/11/2023, 09:42

231102-lpk6wacb46 3

Analysis

max time kernel
300s
max time network
126s
platform
windows7_x64
resource
win7-20231020-de
resource tags

arch:x64arch:x86image:win7-20231020-delocale:de-deos:windows7-x64systemwindows
submitted
03/11/2023, 06:30

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Report Analysis Logs

General

Target

861e4a131e892de342b354fce749e4e770c83c246ef74047721b5854394cf7e8.bin
Size

4KB
MD5

e973b79a9978a02dfa2a5e6d4e35a0b6
SHA1

9f74c6c2c15cb9ca687e6517abbff6a1c9dcdcdd
SHA256

861e4a131e892de342b354fce749e4e770c83c246ef74047721b5854394cf7e8
SHA512

b9e977ed0adb1e1164e048ba754eebfecb5b405af7c4ed17f9ffde26abb63c07430abb2303bc412c9575e5e2f1a6bf19576f2aff7c402b11a85be3a6c4c927a6
SSDEEP

96:GLtsm7/IunhSgLesUoj2LWEU4kn689MnOC9AQssv+MnEn9nunoqnwnXDI+LF:4Qunh+9oMWEenJMnOC9Zssv+MnEn9nuq

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2332	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2788	1876	cmd.exe	29
PID 1876 wrote to memory of 2788	1876	cmd.exe	29
PID 1876 wrote to memory of 2788	1876	cmd.exe	29
PID 2788 wrote to memory of 2332	2788	rundll32.exe	30
PID 2788 wrote to memory of 2332	2788	rundll32.exe	30
PID 2788 wrote to memory of 2332	2788	rundll32.exe	30
PID 2788 wrote to memory of 2332	2788	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\861e4a131e892de342b354fce749e4e770c83c246ef74047721b5854394cf7e8.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\861e4a131e892de342b354fce749e4e770c83c246ef74047721b5854394cf7e8.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\861e4a131e892de342b354fce749e4e770c83c246ef74047721b5854394cf7e8.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
b1475df27374573d3047274f2902c129

SHA1
4b0d90afc53364502fda250acb8b897c55f696e2

SHA256
5799a7ef1bbd495d1b8ccb25be5af108e9bb64be3bf9376e6f6b7324c3c531a2

SHA512
3e386536e87ef296d624a09b8ab64c490c3850189406d940c8527d8dd39ed9f74b270816b19f674cd3f99f9379695decf3e8634006c2bf9081bade74a6083f61

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