841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

Resubmissions

25/03/2024, 21:05

240325-zxdnnahe48 3

25/03/2024, 20:59

25/03/2024, 20:56

25/03/2024, 20:51

25/03/2024, 20:45

25/03/2024, 20:38

25/03/2024, 20:36

Analysis

max time kernel
18s
max time network
19s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:56

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General

Target

Prefetch/WINDOWSDESKTOP-RUNTIME-6.0.14-1DAD2F1C.pf
Size

8KB
MD5

18e30e0dbf9e97199a4dbfc8c6b37d74
SHA1

5a3fd4e59c9d465fbfc7a742db2a9bd4971e0601
SHA256

be7c1c350d165550efb554b56559241b0330cf1024bc4395f542c84c8330eb88
SHA512

70544be4cd53509b801e7b5bcf63068836b99938f1d51caeeb95279f7d62c0c10933b3ef67eb089e308210d3d7ae023d931cbb8434a142b58a307c5c7184614d
SSDEEP

192:sDBEaAOLbyc3oElPMou02uGX/1mNTuGCIT7ISb6:QxAqbyc3PMnWi/1SuQcSW

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-1-5-21-406356229-2805545415-1236085040-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.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 2904 wrote to memory of 2804	2904	cmd.exe	29
PID 2904 wrote to memory of 2804	2904	cmd.exe	29
PID 2904 wrote to memory of 2804	2904	cmd.exe	29
PID 2804 wrote to memory of 2592	2804	rundll32.exe	30
PID 2804 wrote to memory of 2592	2804	rundll32.exe	30
PID 2804 wrote to memory of 2592	2804	rundll32.exe	30
PID 2804 wrote to memory of 2592	2804	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\WINDOWSDESKTOP-RUNTIME-6.0.14-1DAD2F1C.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\WINDOWSDESKTOP-RUNTIME-6.0.14-1DAD2F1C.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2804
- - 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\Prefetch\WINDOWSDESKTOP-RUNTIME-6.0.14-1DAD2F1C.pf"
    3⤵
    - 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
e4bdefa100b5fd225ed871392f48b9a2

SHA1
9374b655cba38c20ba1a5f12b0d1239a3528ed42

SHA256
b0d37327a288a5e271a7ff0b781c7cdfad8ab9234077d1aa1b394fa77255aa3a

SHA512
b1d63874e824aa72b31a0312fd5e1dd540f01b8e76db373d17bedf1fe7fe76aca9358c2278f5a37eaa24e189f7cc25ddb85aa8807311b640f0a8729790cfc0c4

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