6abb0e40f89bd46dfef4ee1dc3ce5477f77169da8887edb09beddfa1ef3ee6c9

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
12/11/2023, 16:18

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General

Target

linux4.4-mxic.patch
Size

39KB
MD5

40e03f543c9142ba34ca2098663097b2
SHA1

1a749230d9df57635fdad70290db1b814a97cb2c
SHA256

5d8bf9f072371cb64bf5e3249b2511bcc8c456ff70ca4af54a2cdba06eb0d800
SHA512

e5882acf7e8080c6a9a8f56168fa5467d93ebec236acfdf77c68a7e5659f8a569db06c927fe84d4e51367ff6aa9819a0db3dac29c20112ad2980f5891ff22b1d
SSDEEP

768:ZefhPkVhAhP4OhNhVhlAV6URiWGKvVWCE8GFznCybSr+8BOP4APBmnTwhuzvvGz9:skVhAhP4OhNhVhlAV6xCVTE8GFznCybj

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-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\patch_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\patch_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\patch_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.patch\ = "patch_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\patch_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.patch	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\patch_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\patch_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2704	2968	cmd.exe	29
PID 2968 wrote to memory of 2704	2968	cmd.exe	29
PID 2968 wrote to memory of 2704	2968	cmd.exe	29
PID 2704 wrote to memory of 2672	2704	rundll32.exe	30
PID 2704 wrote to memory of 2672	2704	rundll32.exe	30
PID 2704 wrote to memory of 2672	2704	rundll32.exe	30
PID 2704 wrote to memory of 2672	2704	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\linux4.4-mxic.patch
1⤵
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\linux4.4-mxic.patch
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2704
- - 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\linux4.4-mxic.patch"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2672

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
6977f49c66450ad40242c751f5555205

SHA1
de334a744e1ef0d0df282c2f3dfecc6d027b908d

SHA256
cf097b25e35896e887f4748fd442c50ba5fcab9bdddc13d2fecadf576ae4046c

SHA512
88987e4ce15326013761c500b070a0b26f2fcc29b0bb637ce9c7bba36b68afa81064c995c85f6674e9f981224264ec513915cea691135381f3393ab8a2d6fbc4

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