501202618b58910698cbaa6a5b949b2d968c0b8a20942886802afb027aca7364

Analysis

max time kernel
152s
max time network
123s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
27/08/2023, 04:26

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General

Target

PTModelFont_ID2.fnt
Size

12KB
MD5

939c873456d9890f0fced65f7d423772
SHA1

1f5adfac688433b143d4e70efe4db2900389f8c3
SHA256

961502f4dc3af09c6e8a23c31a68f9075ecedc2d7f1dd563be2e3dd10a1c14f4
SHA512

bc23c7fcb2a594bc99e9ca72eb50ad34a2bfba02d14021b5664366f482e2092f0872d5271dc58b543cd133f2aa0f99364d79324a90f00939c4aa9b23edfc7c27
SSDEEP

384:YrwbBVUZE7Y8ep53Zb+tv+3VuxtFuIAPkRt:pbX0EU/ZozWPkRt

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
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\.fnt\ = "fnt_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\fnt_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\fnt_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\fnt_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\fnt_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\fnt_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\fnt_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\.fnt	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 628	1340	cmd.exe	29
PID 1340 wrote to memory of 628	1340	cmd.exe	29
PID 1340 wrote to memory of 628	1340	cmd.exe	29
PID 628 wrote to memory of 2516	628	rundll32.exe	30
PID 628 wrote to memory of 2516	628	rundll32.exe	30
PID 628 wrote to memory of 2516	628	rundll32.exe	30
PID 628 wrote to memory of 2516	628	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PTModelFont_ID2.fnt
1⤵
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PTModelFont_ID2.fnt
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:628
- - 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\PTModelFont_ID2.fnt"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2516

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
8bf0c0993b3575dfed008affbb11099f

SHA1
89606247c1c5491c8199bb472e252c7d8cf4aae9

SHA256
a2d6285c32c56c02b772ee2ab6113eb1b1b6826ad0ce7ba57456704a9fcfad23

SHA512
0eb9142c44b1735df87f5f9f25166561e683b66aaccaaf6787dcaac4dcfb1ad7082f7337e8117f57891f04b0ea7c5bf2f4ac7290be264a867215253f14ff676a

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