71ddfacd8ba48806396c95b279237998945cf8124875728f92d8a9d0489cddd2

Analysis

max time kernel
167s
max time network
152s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
09-11-2023 22:02

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General

Target

copy_reg.pyc
Size

5KB
MD5

9131bcc5ebe103546f257340d46bea53
SHA1

2d7bbbc8d3e7095cfebebe27ac2d9bc20acb37ef
SHA256

aa95b3eae84b84e3cf63f65737b120aa69394bc8f91d7a6a0e11fb56da12aee0
SHA512

1a5223abb04f73df775692a43e16bed606daf3736b75ccdeaf90e898a3856c5723878b7b492e19a1858844280bd9cbdab1bbea1af581a003ac0e515a3b78eb5e
SSDEEP

96:U1EMLsP6SyZ2Ozlye0mpiMzkWaIoB0jkvfq1Td2wLHKnT4mIT2zHCTLRaLfhb:BcsCBDv1oRnmjYfe2SHKnT4mA2zHCTLW

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-1-5-21-2084844033-2744876406-2053742436-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_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
2160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2868	2056	cmd.exe	28
PID 2056 wrote to memory of 2868	2056	cmd.exe	28
PID 2056 wrote to memory of 2868	2056	cmd.exe	28
PID 2868 wrote to memory of 2160	2868	rundll32.exe	31
PID 2868 wrote to memory of 2160	2868	rundll32.exe	31
PID 2868 wrote to memory of 2160	2868	rundll32.exe	31
PID 2868 wrote to memory of 2160	2868	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\copy_reg.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\copy_reg.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2868
- - 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\copy_reg.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2160

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
a276ecb6490c938f96616e2c5adb59fc

SHA1
aca0a565c93354ddb9b45a8063a1c1df60531869

SHA256
d29ba9d19ec84b02ccf19cba0cfddfe3909f384549118b5ae8622a9f24eeecef

SHA512
963d13242f4785e8927e5df2556ec02e0865ac58621a927d71a0a85d9dadf9e4b851b759debd37f264dd2dd73dea5e7ea5be8709e79a19037c4d06e4a97376b8

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