a778818cc08d213d1f66db5fa8b34aabc862569ecb99fd1aea37ff6ccab48400

Analysis

max time kernel
149s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
12-06-2023 07:25

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General

Target

os.pyc
Size

27KB
MD5

d845a1698a5e4a9a3992ca514b924a52
SHA1

daef45b912f6ebc4d7d6d2d1ed7234b1f7769954
SHA256

ec16d78fff77115582630db2aa0167617e5e490785f634172e9570f014322f3c
SHA512

5a8ba0a5c0b45812b35d3546b5c3fbc48b445aee32089417e261d3ddfea508d3df7b3536c11d662d6993a6fb09de4d234b1b1896a810da0d2d60cfc1edb9942b
SSDEEP

768:BCa184aJH8ys0lG5ufiMq+7KTLrLjL1LDL3LnLnLcyW0t:oaeJH8ysAiMq+7K1Nt

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_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-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\pyc_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2000 AcroRd32.exe
2000 AcroRd32.exe
2000 AcroRd32.exe

pid	process
2000	AcroRd32.exe
2000	AcroRd32.exe
2000	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1048 wrote to memory of 684	1048	cmd.exe	rundll32.exe
PID 1048 wrote to memory of 684	1048	cmd.exe	rundll32.exe
PID 1048 wrote to memory of 684	1048	cmd.exe	rundll32.exe
PID 684 wrote to memory of 2000	684	rundll32.exe	AcroRd32.exe
PID 684 wrote to memory of 2000	684	rundll32.exe	AcroRd32.exe
PID 684 wrote to memory of 2000	684	rundll32.exe	AcroRd32.exe
PID 684 wrote to memory of 2000	684	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\os.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\os.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:684
- - 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\os.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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