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
18s
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, 20:51

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General

Target

Prefetch/CONHOST.EXE-0C6456FB.pf
Size

4KB
MD5

2017a8fa498f093cace11ef065154a46
SHA1

0ea87f0846897e5eb958adc85ab4c8209336d81f
SHA256

f44e26446f0c2b423ec8a5e3e51c9c44c2b3f8a34ff9b3f451dcb7f6ec40ae95
SHA512

04fff13e7150ecafdea18252dce5da79dde3aa2b756c6294fc57bfc9270ad70aa4f9b0715cca3b81115ed64d963601acb0fccbd72c20444884b7ea78711b31b9
SSDEEP

96:k8yP0Gd+XPIw1ci2wCKyN1G8WXEozGZ2agXmGt60TYPlCSsD4fLH4iZuh:ePjd+XQJizCKwAZB67QUTYiZuh

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2660	2312	cmd.exe	29
PID 2312 wrote to memory of 2660	2312	cmd.exe	29
PID 2312 wrote to memory of 2660	2312	cmd.exe	29
PID 2660 wrote to memory of 2720	2660	rundll32.exe	30
PID 2660 wrote to memory of 2720	2660	rundll32.exe	30
PID 2660 wrote to memory of 2720	2660	rundll32.exe	30
PID 2660 wrote to memory of 2720	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\CONHOST.EXE-0C6456FB.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\CONHOST.EXE-0C6456FB.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\CONHOST.EXE-0C6456FB.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2720

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
e1fd88657fd6fdaef5a60a2f3bc738d9

SHA1
73250f1cdaf15d937cc5121a68d77b32c7fa732f

SHA256
fa9d5756b63336c9b88139ee6f0c9af26f228466cd44091ec32eb3daaf60b2e7

SHA512
21cebb33cb6b193e6b95a2df36e7ca442a452d7e850cd5a73e55f6edcf0aa0258b81fb93f16d9b7362055ba265494394786f2862e54e0e0c4c9e5fb8c0426ec6

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