841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

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25-03-2024 21:05

240325-zxdnnahe48 3

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25-03-2024 20:38

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Analysis

max time kernel
121s
max time network
123s
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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Report Analysis Logs

General

Target

Prefetch/AMAZON MUSIC.EXE-8F9E1BB7.pf
Size

42KB
MD5

602d3399bf26ef9aff6891bae6f3af3a
SHA1

5c3cb07f03b65af308e1d903642d97464a32dcf5
SHA256

7a76ffdc45c22840d991035a7e8f30fd09a2d291408d906da343e233d3b55be9
SHA512

0735f67e5876032f6011868dfe5a9439caa1b883954f171b912b69f60dc53a5923a01869ff8bf15564b1f903dfc71cac4893b611e045f19d1d8bada624f22fb5
SSDEEP

768:GTK1EdraFccS+UBdzLrLbh/aGXuNVAkdBT7Hg9Zv6MLyK3KR92c4IzIAk4a1nF/J:p1tFccS+ULLrLbh/zKZB3HaZV8R99L8Z

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\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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell\Read	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\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 behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2552	AcroRd32.exe
2552	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 1728	2920	cmd.exe	29
PID 2920 wrote to memory of 1728	2920	cmd.exe	29
PID 2920 wrote to memory of 1728	2920	cmd.exe	29
PID 1728 wrote to memory of 2552	1728	rundll32.exe	30
PID 1728 wrote to memory of 2552	1728	rundll32.exe	30
PID 1728 wrote to memory of 2552	1728	rundll32.exe	30
PID 1728 wrote to memory of 2552	1728	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Prefetch\AMAZON MUSIC.EXE-8F9E1BB7.pf"
1⤵
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\AMAZON MUSIC.EXE-8F9E1BB7.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1728
- - 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\AMAZON MUSIC.EXE-8F9E1BB7.pf"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2552

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
df1819dff95814078cc748a48ed235cf

SHA1
f95c8204a3ed3aa7ebcf7a56a9bad511a0c68b6e

SHA256
4f794af67788f69780c6f7bd5ff443a4e4a076ea4bd5f52abe58a93daea6ddef

SHA512
aed241f187188c38f2fcc55df3c9395a551eedd755128e3dba12f9cb66744ce9342e80b6257456aa60f00b397da7a805dfd9497afc0ced2d87ad4edb257cf740

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