1615e99f6f9bb8c363e69184853037ab937ec116b767b0dc50d64fd606d08e75

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 15:43

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General

Target

bufferGeop.bin
Size

1.3MB
MD5

cb9ad69965f9f4cff8572983f60be67c
SHA1

5f49d5a1c915b08d54bca33bc0d52244f523e5a5
SHA256

56c7079dc309168d9c41dd4a7a61033acd264a120ca8d2e2182abb5b9ae6b0a3
SHA512

0f8543e976b75d20028d75e15590185106679317d110f0a7796ec9e1fb7fc50374b9866c0e208520df0bb03fef8a34d1e287b9894ac491d5f76f0eb876faa2fe
SSDEEP

24576:fV8G3DKTAme9ffU+bApdZdbEmniPX5b7U48QZ3tRV9dkUBQd:jTGAmQ4U1BUnQjpdkEI

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-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_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-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 3068	1516	cmd.exe	29
PID 1516 wrote to memory of 3068	1516	cmd.exe	29
PID 1516 wrote to memory of 3068	1516	cmd.exe	29
PID 3068 wrote to memory of 2592	3068	rundll32.exe	30
PID 3068 wrote to memory of 2592	3068	rundll32.exe	30
PID 3068 wrote to memory of 2592	3068	rundll32.exe	30
PID 3068 wrote to memory of 2592	3068	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bufferGeop.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bufferGeop.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3068
- - 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\bufferGeop.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2592

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
d2023beff15951049278efb28e612a43

SHA1
ea215884d6488a188b3a2e3a97cd118f8767ba6e

SHA256
67c9eb302bb5179c65013b031dcedc4e0254487ce9f02f1ca3a51dd560fc3b5c

SHA512
55895a4684aeed0629795da82b5a5efd0b1af1d08c5c4904360a544b8afa2dd488a34cf00f5e1721f4642c679ded02b7827f1336ca288a45fd9eb5959835ed26

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