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
37s
max time network
23s
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/CONFIGSERVICE.EXE-01160B6C.pf
Size

4KB
MD5

aabec26579082dc1b4d5ce6abf92db40
SHA1

55a54d93ef058f0b240fd1298b0137e460431cc2
SHA256

f48764ac2e6ce04e35ca0b889b7a92b51e117472cc5bd50c3b7cd44e6a51b08d
SHA512

111c0c97fe5e0d92a50b481c3d430c5d572c18541d8ccd7f91c4dd9797686cb744a314712a209b6863dcaffddd0975a3e98d3f189f7069a7849ed3a9d598b77d
SSDEEP

96:ctrQGHN2tEQjO+dMrtapUHFymQ5HQa/aZCP0ef2LkrXlO:CaEQjO+WtaoFMyNef2LkrXlO

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-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pf_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_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
2536	AcroRd32.exe
2536	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2384	2948	cmd.exe	29
PID 2948 wrote to memory of 2384	2948	cmd.exe	29
PID 2948 wrote to memory of 2384	2948	cmd.exe	29
PID 2384 wrote to memory of 2536	2384	rundll32.exe	30
PID 2384 wrote to memory of 2536	2384	rundll32.exe	30
PID 2384 wrote to memory of 2536	2384	rundll32.exe	30
PID 2384 wrote to memory of 2536	2384	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\CONFIGSERVICE.EXE-01160B6C.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\CONFIGSERVICE.EXE-01160B6C.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2384
- - 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\CONFIGSERVICE.EXE-01160B6C.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2536

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
f8d469d211392338761b69d50e307573

SHA1
47d52c5e6efe8c924371d45c4eb3119873f84f99

SHA256
59a64a16ccf1e8d3f8a7acf2be7fcbe48e73da061ff0661dee4a3bb22b3d58ca

SHA512
b72e932a8859724701447b4fdefd3938d2c021ad346c40f4193988a6c5dde3885d59ba72b3ac50ec8cd26e2ffd5a60ebbc9b9b1da3f16a7ce19b117450f6be55

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