841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

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25-03-2024 21:05

240325-zxdnnahe48 3

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25-03-2024 20:56

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25-03-2024 20:38

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Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25-03-2024 20:38

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General

Target

Prefetch/APPLICATIONFRAMEHOST.EXE-8CE9A1EE.pf
Size

17KB
MD5

cc672becb77f39c92c8b58fa284ef192
SHA1

706543426eb377faee5378b5f3638e429c09a15f
SHA256

8b94df685076d08462a05941cb56b9ecc1355a399d5ad81f3b52370a3186dad8
SHA512

0ab1dc75e665c6573e011900162477c458ea7ba3181db520aafb1b7bbf51d67d6632f8094a4378390e3e274dae8baa3adaec70e7021b0e443d33afd9111ae6f2
SSDEEP

384:/EURF3xfzddT/ShgyHCoT83TcAxn/iHrdE6xQcSduOe:/BJ1bMjioTAcQ/iHe+XSduT

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_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pf	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
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\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\ = "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	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2556	2200	cmd.exe	29
PID 2200 wrote to memory of 2556	2200	cmd.exe	29
PID 2200 wrote to memory of 2556	2200	cmd.exe	29
PID 2556 wrote to memory of 2732	2556	rundll32.exe	30
PID 2556 wrote to memory of 2732	2556	rundll32.exe	30
PID 2556 wrote to memory of 2732	2556	rundll32.exe	30
PID 2556 wrote to memory of 2732	2556	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\APPLICATIONFRAMEHOST.EXE-8CE9A1EE.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\APPLICATIONFRAMEHOST.EXE-8CE9A1EE.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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\APPLICATIONFRAMEHOST.EXE-8CE9A1EE.pf"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2732

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
2cd2ca17078227f6c6a6562d7d399270

SHA1
b6c480205368f01fc16f012aa2131b23ca44e7de

SHA256
5450ad55ad155fcd17aa81ff53eee8dc7d40f2c8c8fe1a233e62e9feac8c3112

SHA512
24950262db3f16bf89ae28d780978d412e7244b03b7c30493519f844890f55362d68bd0eb780d2fdb73c8f1805d2257f8a33b985c1f19c3f5388c35c8bbabef6

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