64e87032c830ebab767e08f466665da630b1f2cb0c6b79be0bb0aa44b7bfd555

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 11:52

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General

Target

__MACOSX/docs/[SYSTEM]/._.ds_store
Size

120B
MD5

b9a94cc8f4aac450fb21641eaf065c6d
SHA1

0bed7e90c2bade9763fa18f1fb4441d31f91c87c
SHA256

2f380f4a3d05a8d90c2106f50da75064e9ce57a598599dc5404f8f69a0223aa9
SHA512

f1e82573db1da08be076ab30e7d8cff350e15d06765e1bb74e313cf5f93e1df6921893a3589df51e6b18538c21a9df6d3f23fead170e9b3c02993f5b5d4a2f4d

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ds_store_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ds_store_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.ds_store\ = "ds_store_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ds_store_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ds_store_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ds_store_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.ds_store	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ds_store_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2660	2872	cmd.exe	29
PID 2872 wrote to memory of 2660	2872	cmd.exe	29
PID 2872 wrote to memory of 2660	2872	cmd.exe	29
PID 2660 wrote to memory of 2452	2660	rundll32.exe	30
PID 2660 wrote to memory of 2452	2660	rundll32.exe	30
PID 2660 wrote to memory of 2452	2660	rundll32.exe	30
PID 2660 wrote to memory of 2452	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\__MACOSX\docs\[SYSTEM]\._.ds_store
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\__MACOSX\docs\[SYSTEM]\._.ds_store
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\__MACOSX\docs\[SYSTEM]\._.ds_store"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2452

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
d4f77a921de9bab40c148f57299cc446

SHA1
e55147180d72cc259ea1c7bca54bc74c43c7518f

SHA256
b3e3fbfb4e4be406afa2b8237bc97773efd0ea4b76ef6fe706e7696503e41f50

SHA512
792eef650048b0b646517b4fbc57d6c91e19b15a5d57db5f7954c89c2def8429f5cf0023a4e99365ca8d736830afa5b5e861406946d2c4b4b44e8b24c035020d

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