47a22bea2e7d0154c59bf5d8790ec68274eb05e9fa6cf0eab0d648121f1a02ac

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/02/2024, 12:21

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General

Target

settings.dat
Size

152B
MD5

47b2c6613360b818825d076d14c051f7
SHA1

7df7304568313a06540f490bf3305cb89bc03e5c
SHA256

47a22bea2e7d0154c59bf5d8790ec68274eb05e9fa6cf0eab0d648121f1a02ac
SHA512

08d2366fc1ce87dbe96b9bf997e4c59c9206fcfea47c1f17b01e79aeb0580f25cac5c7349bb453a50775b2743053446653f4129f835f81f4a8547ca392557aac

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-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.dat	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2492	AcroRd32.exe
2492	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2600	1684	cmd.exe	29
PID 1684 wrote to memory of 2600	1684	cmd.exe	29
PID 1684 wrote to memory of 2600	1684	cmd.exe	29
PID 2600 wrote to memory of 2492	2600	rundll32.exe	30
PID 2600 wrote to memory of 2492	2600	rundll32.exe	30
PID 2600 wrote to memory of 2492	2600	rundll32.exe	30
PID 2600 wrote to memory of 2492	2600	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\settings.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\settings.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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\settings.dat"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2492

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
51be9f74b7d77a8729b93ab7125b6cbf

SHA1
42fa707a9b308d933bd1286a4966d1c05df3bf82

SHA256
99f001d59ca80314be893a81dbe3b764618cf2461a7e36228fb04b279cd88c68

SHA512
83bb318a554ce36f13a536d4665c5dcd118731784460701e85075eef06dfa41b8d4167a81554ccb6cdcf6bcf36992858b93edd4c29b03edd1db08b9c2eda2df9

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