6f740ba69a5020a316d67e0341179ad03f9820fdde6501591255e9e98b06c0ae

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
06-09-2023 22:01

Target

linecache.pyc
Size

3KB
MD5

749ac324b80b41cc7c03720abc918cac
SHA1

eae24d0aeca6f66b6233e7cb3d4b7186739be29b
SHA256

fc55d0442cdf69c8762a30a66ee7231be46c5dcae3bb81177062732857d0292c
SHA512

208ed9e0070bbb791dbf255b143428c6fb2ae710fd813b10a80fa6f6c3f8bd3d55caf684db444992192751677ae0033f0444e3b0e1475ce30d9d73cad6eb2596

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2680 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2680 AcroRd32.exe
2680 AcroRd32.exe
2680 AcroRd32.exe

pid	process
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1844 wrote to memory of 2636	1844	cmd.exe	rundll32.exe
PID 1844 wrote to memory of 2636	1844	cmd.exe	rundll32.exe
PID 1844 wrote to memory of 2636	1844	cmd.exe	rundll32.exe
PID 2636 wrote to memory of 2680	2636	rundll32.exe	AcroRd32.exe
PID 2636 wrote to memory of 2680	2636	rundll32.exe	AcroRd32.exe
PID 2636 wrote to memory of 2680	2636	rundll32.exe	AcroRd32.exe
PID 2636 wrote to memory of 2680	2636	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\linecache.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\linecache.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2636
- - 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\linecache.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2680

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
782f2c8570f0bef09145bc75dd92d0d9

SHA1
58096353c542b0edcc6e5103b074f71f125ea028

SHA256
d207b78c1290e1d58e7ac7af86595bd18a2453d83385060e9e97730a1cee3d9e

SHA512
cb9179020494dad5a8925889aaee429ae16a8b95852334ab0898bfac598892ea7aac4c440c4ce424ce57b3249fba2d10da24f8779faaeda87a40cad197f3885c

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