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
302s
max time network
126s
platform
windows7_x64
resource
win7-20231023-de
resource tags

arch:x64arch:x86image:win7-20231023-delocale:de-deos:windows7-x64systemwindows
submitted
02/11/2023, 12:53

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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-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.bin	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\bin_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2604	2924	cmd.exe	29
PID 2924 wrote to memory of 2604	2924	cmd.exe	29
PID 2924 wrote to memory of 2604	2924	cmd.exe	29
PID 2604 wrote to memory of 2536	2604	rundll32.exe	30
PID 2604 wrote to memory of 2536	2604	rundll32.exe	30
PID 2604 wrote to memory of 2536	2604	rundll32.exe	30
PID 2604 wrote to memory of 2536	2604	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\861e4a131e892de342b354fce749e4e770c83c246ef74047721b5854394cf7e8.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:2924
- 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:2604
- - 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:2536

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
7d929bda83535b25d524af5d615ad514

SHA1
98036b12dff307457b33b5cf62cb20cf73cee87e

SHA256
dc118ac083f05b5ba89412c5d55c900916bae5c0ac8438aa80dab31ccfb2b614

SHA512
6aa888296790b362a952d7dc9bda1670a40e05daa13a69b555f711eba8f372ea4f9a4c5b730133ef8bc45c4cee0f50104174143e38d74878f2d9f3995942590c

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