841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

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25/03/2024, 21:05

240325-zxdnnahe48 3

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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
18s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:36

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General

Target

Prefetch/7Z2301-X64.EXE-AD2E68EF.pf
Size

7KB
MD5

8814330eab4f3fa2ee594d038cd51075
SHA1

baa1f281e6a1ad42e0e2ff9af6cd738cbd1c303e
SHA256

00a0148392c1fdff06b2aaf72051701ae61dfda4a93529e949094c1420703838
SHA512

20dfe76097cda675cc4035ccc2ae5c1ed7c7b56f21552c2f614af7bf1bccd459a4bfe9d9fd77894d922329db971a97dd0c94f6eaaf5f9e67347a91e4850e86eb
SSDEEP

192:6Jf4ZvdwIjvi2n5aP1UZ88jXHGJPHMQ86LOA/1CTgfebg:6JQZvd1ji2WUVXmJP7LOA9/z

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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2596	1744	cmd.exe	29
PID 1744 wrote to memory of 2596	1744	cmd.exe	29
PID 1744 wrote to memory of 2596	1744	cmd.exe	29
PID 2596 wrote to memory of 2688	2596	rundll32.exe	30
PID 2596 wrote to memory of 2688	2596	rundll32.exe	30
PID 2596 wrote to memory of 2688	2596	rundll32.exe	30
PID 2596 wrote to memory of 2688	2596	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\7Z2301-X64.EXE-AD2E68EF.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\7Z2301-X64.EXE-AD2E68EF.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2596
- - 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\7Z2301-X64.EXE-AD2E68EF.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2688

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
332b748f8b1d3751e7c9b303c952611e

SHA1
2ea2a9621753c768d592328fb993a6f3f3fd2cb4

SHA256
db93756bc114560a40753872bd2374c5e33e74462f0757e379969eea797bec24

SHA512
cd694c2b3aef9fa8980552f61cc430ee12860b0a4c99ca520a6218d3034930b95b701bbcdfa1936faa7e7909f1aefb50c0eb6d7ec18e07705581f24d058ace9e

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