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
16s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:59

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General

Target

Prefetch/UNINS000.EXE-96BE8F9A.pf
Size

9KB
MD5

ec8c838d35935d47b4a6f07555267050
SHA1

249a1238849fef5491b77e5324ced98e3024c037
SHA256

2e778bb7b547183c845f598d1350f3884ab914adecbe4c8fc73c048054aa2eb7
SHA512

5e3d4774cb5a60d27c66fff36a89a5660d77d19bbc6e3ff1b898ae8cc07d738597de5e978a8fbc68ae36680065f6cb2a7cb857102f168f26542040e9dfb0910d
SSDEEP

192:M4q1WGhSqVrb+ffirDFRKMoy9E99NtRr+qJkA7HQXz4mk+t:M4qrhSqBb5H7oye9fX+WcXbZt

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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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
2536	AcroRd32.exe
2536	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2632	2000	cmd.exe	29
PID 2000 wrote to memory of 2632	2000	cmd.exe	29
PID 2000 wrote to memory of 2632	2000	cmd.exe	29
PID 2632 wrote to memory of 2536	2632	rundll32.exe	30
PID 2632 wrote to memory of 2536	2632	rundll32.exe	30
PID 2632 wrote to memory of 2536	2632	rundll32.exe	30
PID 2632 wrote to memory of 2536	2632	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\UNINS000.EXE-96BE8F9A.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\UNINS000.EXE-96BE8F9A.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2632
- - 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\UNINS000.EXE-96BE8F9A.pf"
    3⤵
    - 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
7814dbf72c34e35eb7e1e2813731f91f

SHA1
c66f675857cb8d752418df508be7e5b76fb719fa

SHA256
9b1c64243a45d20a46fbe4c32115b1ffaea93030c63ba6bfc4ec48a5c94d1bb6

SHA512
f3489f0f350c005b6c73070eefe5199049da55c1fa51f1dc7c8a46733bb32a12bbd7fef38ee7720298709518e4f1e544ae617974b18035c8ba9a291d09d8d269

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