841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

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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
24s
max time network
17s
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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Report Analysis Logs

General

Target

Prefetch/CIS.EXE-B8EB3849.pf
Size

27KB
MD5

5bc9ebd7f3ea7ed1cb9af2e10e29fc18
SHA1

604da8f1553a389945db555c942e0c24320fa06b
SHA256

eb4ada1552408830a24c9d6bcbf57cdce2942e8330fbc99c94dc4c7ff7dc9c7a
SHA512

6d28e4073540d54bf3492b1894aa8020659ecbfd78eddd5d5c7e63cab286df4552e28d254c9105e1f64e2d589a4a549983dd9d9d8b65c490c131351f0e7a14e8
SSDEEP

384:C9Z7eHiMO9YGzroE02+r4sfi8BbscwLLz7eZkk3PhZqVx9NpQ5IHhH0CzeEPy5TR:CDwVEqAz70kUZORpNSy5CRH

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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pf_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2540	2168	cmd.exe	29
PID 2168 wrote to memory of 2540	2168	cmd.exe	29
PID 2168 wrote to memory of 2540	2168	cmd.exe	29
PID 2540 wrote to memory of 2688	2540	rundll32.exe	30
PID 2540 wrote to memory of 2688	2540	rundll32.exe	30
PID 2540 wrote to memory of 2688	2540	rundll32.exe	30
PID 2540 wrote to memory of 2688	2540	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\CIS.EXE-B8EB3849.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\CIS.EXE-B8EB3849.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2540
- - 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\CIS.EXE-B8EB3849.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
522aab0f4e8ec55b3ec08644229d51e6

SHA1
c30f9ff315a7ef1d56b9a1556fb6563aa8b592c8

SHA256
f2a1007d5c194abb4e2afc2f1c419d1cfa2ee0850f763d512b458e1349aa8615

SHA512
62d4e73b49de1a0eebb700c3632f7e048305ef4065ad7a1ada47fd0001bbb570c7ae3fb6d8362cb23fe1a219b4c40d40eae21e29eeb99df1fefda245b6e1cc11

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