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
30s
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, 20:56

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General

Target

Prefetch/WINDOWSDESKTOP-RUNTIME-6.0.14-EEB49307.pf
Size

30KB
MD5

450121e22e68e4e8b42a77ac39fcb1d1
SHA1

e5f2e0372e06ce47efc665f9608166ef9ba1b23c
SHA256

9d72154b92e5fecf6b8d6ad26521b64b1ace3571028baaf6ebfb0212d09cff7c
SHA512

faa05516a8ff6b86a41d91346407bc88aefb8cc9501b8fe9c067ca391a88cf6ff9b84057ccbf7f29ecac7e4000571aaebfc7da1723c1f9e99dde6002cc8ff27b
SSDEEP

768:WOmmfAvUYN2LTAgvd88Lp294DY76UNLT4mSoQG:EuYpALTAgv+8Lp294DY76UN36G

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-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_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-1-5-21-1658372521-4246568289-2509113762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pf_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2820	2840	cmd.exe	29
PID 2840 wrote to memory of 2820	2840	cmd.exe	29
PID 2840 wrote to memory of 2820	2840	cmd.exe	29
PID 2820 wrote to memory of 2980	2820	rundll32.exe	30
PID 2820 wrote to memory of 2980	2820	rundll32.exe	30
PID 2820 wrote to memory of 2980	2820	rundll32.exe	30
PID 2820 wrote to memory of 2980	2820	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\WINDOWSDESKTOP-RUNTIME-6.0.14-EEB49307.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\WINDOWSDESKTOP-RUNTIME-6.0.14-EEB49307.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2820
- - 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\WINDOWSDESKTOP-RUNTIME-6.0.14-EEB49307.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2980

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
7bdabfa7708e18304238d8598e83351b

SHA1
6343c3b9b8f480f90df949ab78142781a419e7ab

SHA256
b096ef7da65583cebb965df2b1c2fcc67e12b77daccf73167777bed080627057

SHA512
80f39cb742fd4288085e8def632f9818762262874b0e34edd53ef3022afc8765e0df323e58d6116b07c2230a3b6bf77233a1ca5a37f9ac2d6fa341672d677647

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