841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

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25/03/2024, 21:05

240325-zxdnnahe48 3

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25/03/2024, 20:56

25/03/2024, 20:51

25/03/2024, 20:45

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Analysis

max time kernel
18s
max time network
19s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:45

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General

Target

Prefetch/COMPATTELRUNNER.EXE-B7A68ECC.pf
Size

4KB
MD5

c51b26c47b40ed9cca5120c8f628b4f6
SHA1

24d3ae78f0b2c58a5bdef9a9ad275913da851eef
SHA256

4625fc8d915d6207d8bb2f15444187216d3ab23586f647d54e1d59772fa6f086
SHA512

f8909fb1c6b454558106d64911478f00f4d32d6b1a9c3d2a688c33865e4e76ef8260d2f02493c4d0357ecf0e1087d42e5260fd4a9805eb3a5893d16f8ad057a5
SSDEEP

96:Rizjw5g2bpveO3sBRJiB5kKxz10y0f3TbuF3dNP+ARCum:480krkKg3TCZdNP7Dm

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-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_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
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2680	2204	cmd.exe	29
PID 2204 wrote to memory of 2680	2204	cmd.exe	29
PID 2204 wrote to memory of 2680	2204	cmd.exe	29
PID 2680 wrote to memory of 2688	2680	rundll32.exe	30
PID 2680 wrote to memory of 2688	2680	rundll32.exe	30
PID 2680 wrote to memory of 2688	2680	rundll32.exe	30
PID 2680 wrote to memory of 2688	2680	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\COMPATTELRUNNER.EXE-B7A68ECC.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\COMPATTELRUNNER.EXE-B7A68ECC.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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\COMPATTELRUNNER.EXE-B7A68ECC.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2688

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
56a207b56a62f81b1572ecd065b05b5f

SHA1
86521753a65fd335587de0219c2848d49f2a0077

SHA256
2e59143d07746ae76157e55af0eb1e77dc6f2b2b0449f7c36ff5e1c08c19a8f7

SHA512
b7a98819a6f498b85604ba696f0797b40f19aa5274285a7fc5deb087d5980d00b5f8bd952e22d9d4e9002335ff5f668fff721b66b71e89b22d879ba7bce7e3ec

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