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
18s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Prefetch/WINSTORE.APP.EXE-70978C2F.pf
Size

64KB
MD5

ae2a09e20787f952c2d7e2f14417fef9
SHA1

1c51e57966303e52638a4f8f69efa8bc848104b8
SHA256

2f0d131b20893f9d46d2e12579ae1db365b013f9053d4d05143698bb7ff58242
SHA512

e4073fffd8d590a0a364a4c875ae3146d9a380bcd51ae6e1336b981fb21e74c58f878ae57770525cb321b557bea97ff4d0f28274f3ef53e3c1850cabbda08d61
SSDEEP

1536:GyutdWRQtb4NJl+MQ0spGcXAyn2bRXm5ZGtqdg/oa1tH:GyodWS54IMQbpGcwynoIssioy

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-1-5-21-3787592910-3720486031-2929222812-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_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
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2568	2176	cmd.exe	29
PID 2176 wrote to memory of 2568	2176	cmd.exe	29
PID 2176 wrote to memory of 2568	2176	cmd.exe	29
PID 2568 wrote to memory of 2452	2568	rundll32.exe	30
PID 2568 wrote to memory of 2452	2568	rundll32.exe	30
PID 2568 wrote to memory of 2452	2568	rundll32.exe	30
PID 2568 wrote to memory of 2452	2568	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\WINSTORE.APP.EXE-70978C2F.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\WINSTORE.APP.EXE-70978C2F.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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\WINSTORE.APP.EXE-70978C2F.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2452

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
978f6168876c7847d747e97251e8db89

SHA1
c15d97bfdae3fa852aa51c0c50753cdf839c9898

SHA256
09b6d65cadba1f3be11c2d7bf00f46e6dff04e0cbaa6079ee9bf99314653e101

SHA512
7fd715fbc439e58dc53048bcc9ff3b84e9c62f0eaf215854b097291119b2f568becc08ca28bb393f6cb940c46707280887d51a9270abb90efee92091797835fd

Download Submit