0f277b5c86588aaa07adad7b0015dab4650a99b8ed2043d72cd9e757e228fdef

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 15:58

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General

Target
ssh.pyc
Size 9KB
Sample240224-tev74agg9z
SHA256 f611b110945bcacee62140254dc8579d55ff31aecd4249ffed37c193f2f1d73f
MD5 5a7cc91eb3256a25e1e18eec55f1b70e
SHA1 129999ecbeb86364a8a4a8efec77e9ba1dd09128
SHA512 9e8bfc24827a98a726eca11849d92404bc49da0aeeddca5b1a123b4f65b6905493131cd14620f8737699f6a378d5d41d569323def3ffefa42156b396e4542a2a
SSDEEP 96:sHE9evr4qoACwp4KFYYu8rfGaz0WcFEn+59HxSW3809lyJHaZG1AFiLaBspmdEb7:iE9ej3o+u8pzt3+59HxtAEGyFcvmdEgk
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\pyc_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
2776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2776	AcroRd32.exe
2776	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 2576	1440	cmd.exe	29
PID 1440 wrote to memory of 2576	1440	cmd.exe	29
PID 1440 wrote to memory of 2576	1440	cmd.exe	29
PID 2576 wrote to memory of 2776	2576	rundll32.exe	30
PID 2576 wrote to memory of 2776	2576	rundll32.exe	30
PID 2576 wrote to memory of 2776	2576	rundll32.exe	30
PID 2576 wrote to memory of 2776	2576	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ssh.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ssh.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2576
- - 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\ssh.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2776

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 bac8a2d5cb91fec1d67e58d8c3a37b473ba1b8103c487e80f3e8070567472abc
MD5 c733a66efc56f8c40280662222b9fc26
SHA1 a7b3e32d8a9f248f52bc1ce266ee88af09b301d6
SHA512 cd79a55b058bce2647763caf6a56b6a875e0d3932fae041cd43a2fac8ff133f05ea1a2fe11c8088c2dcceeff13438ff42468aab2d19c8078d1a0cf87a97db130
MD5 SHA1 SHA512

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