d48be7caace50f53b8f826f907f60783e00631c54ed6667855dc598b011c4106

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
17/09/2023, 21:03

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General

Target

caido-linux-v0.28.0-d48be7ca.tar.gz
Size

28.1MB
MD5

4bdac5db79bc36a666c1527d3474bd7f
SHA1

bf6b476ca9b692bcd1764a1fc00e8cd61180003e
SHA256

d48be7caace50f53b8f826f907f60783e00631c54ed6667855dc598b011c4106
SHA512

ece133527192286c199e9ebe27367f5189a1b818a9594e8cc7a28d870d6327b619c508768c7f3ca631e3cfc6d91bdbc8d9a49686de0784cc897d6b995eebbcf2
SSDEEP

786432:XYDUkszBh0loSB02kndcr0DVAh6jTVFgehR9nUwi:XHr0ljBSe0DOobbhXUwi

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-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\gz_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\gz_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\gz_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\.gz	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\.gz\ = "gz_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\gz_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\gz_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\gz_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2804	1744	cmd.exe	29
PID 1744 wrote to memory of 2804	1744	cmd.exe	29
PID 1744 wrote to memory of 2804	1744	cmd.exe	29
PID 2804 wrote to memory of 2932	2804	rundll32.exe	30
PID 2804 wrote to memory of 2932	2804	rundll32.exe	30
PID 2804 wrote to memory of 2932	2804	rundll32.exe	30
PID 2804 wrote to memory of 2932	2804	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\caido-linux-v0.28.0-d48be7ca.tar.gz
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\caido-linux-v0.28.0-d48be7ca.tar.gz
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2804
- - 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\caido-linux-v0.28.0-d48be7ca.tar.gz"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2932

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
8b59a2b5608503d474ae3837900b1e0a

SHA1
a75114e7875ff6311862fea1b0ded91bc7415006

SHA256
d3476cf511915c0b7dfe149e448bd6d9ffa4f710746b8f395546ce08c0358c5c

SHA512
4fedb188730142d03f5b07b138ddc2eb58a585cce6d31d282af1128e65dd0ec763c1a1f6493b96a40fd49083a5ce07a916a87e62ce85ceb8ad3d366ecca20516

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