6730f5a35c9565db033f981866d13dbba63712cc56e9194cfe180f87480654a3

Resubmissions

01/06/2024, 11:00

240601-m33hrabe29

01/06/2024, 10:55

240601-mz4lmsbd451

Analysis

max time kernel
1565s
max time network
1567s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 11:00

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
linux.sh
Size 314B
Sample240601-m33hrabe29
SHA256 6730f5a35c9565db033f981866d13dbba63712cc56e9194cfe180f87480654a3
MD5 c8eb421ad68efe174d0f7ef0c2e5a205
SHA1 0e769cb5d0be585be860140057f34b45ead449e5
SHA512 ef76961a2a38b9a37112f38f9fe38860dd096b314343ac48acc3096565a55aef50dafc82335e3a1ef1e1505c6a2e1abc124ddfee40874d33f863ac6162afa6b1
MD5 SHA1 SHA512

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2576	AcroRd32.exe
2576	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2592	2932	cmd.exe	29
PID 2932 wrote to memory of 2592	2932	cmd.exe	29
PID 2932 wrote to memory of 2592	2932	cmd.exe	29
PID 2592 wrote to memory of 2576	2592	rundll32.exe	30
PID 2592 wrote to memory of 2576	2592	rundll32.exe	30
PID 2592 wrote to memory of 2576	2592	rundll32.exe	30
PID 2592 wrote to memory of 2576	2592	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\linux.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\linux.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2592
- - 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\linux.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2576

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 37f3d40a3a331a11fb3e180aaaf0c1d23039e8e857429c591753bad0fc4fb7ba
MD5 6b7170f22b29e09d3faf7a40bb40e12f
SHA1 7d2f190a1a4ca32e457489d94313220f30b8480e
SHA512 f81afcc8004b16077a1f58577d6331b005b04fbaf3a4759b5004bab9e8eb5d316e6e6125f4725088fd1702137a10524523e341135548faa8ea46d328167a2853
MD5 SHA1 SHA512

Submit Download