1fc4dc449959381784dd2500ea76de0139e40b8aca1d92e6b5d22fb6f927636c

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23/12/2023, 23:12 UTC

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General

Target

source_prepared.pyc
Size

163KB
MD5

7763719e0071f4e71ed010ac29a4b56b
SHA1

85959c693807a0fd14b921523d31e20564b8386e
SHA256

7002e97fcdbdd31c5d02921b82018e2cf7337a1855f1178d96dbe07e23860567
SHA512

c4d0b9350e22e017f04c831a3c9f83563c027860fc9ca3d13f9d0b9d5335f8f7dbbe3fe243593d79cb7d076227fb91421bbbff59e91ad31f7a9a61510c976287
SSDEEP

3072:63L7GG1/psR7oIi/jnEeSQGMvCgYcMa7C8IW:63/Gk07oI+AeSpMvCgYcMCC0

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-1-5-21-3601492379-692465709-652514833-1000_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-1-5-21-3601492379-692465709-652514833-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2768	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2768	AcroRd32.exe
2768	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2880	2180	cmd.exe	29
PID 2180 wrote to memory of 2880	2180	cmd.exe	29
PID 2180 wrote to memory of 2880	2180	cmd.exe	29
PID 2880 wrote to memory of 2768	2880	rundll32.exe	30
PID 2880 wrote to memory of 2768	2880	rundll32.exe	30
PID 2880 wrote to memory of 2768	2880	rundll32.exe	30
PID 2880 wrote to memory of 2768	2880	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2880
- - 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\source_prepared.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2768

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

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Downloads

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

Filesize
3KB

MD5
142649545fbaae38232c2d9c9257c7e2

SHA1
d7f62e0784237fc53bb6d5531febffd65465f8f4

SHA256
51f12b1779c133ae57e38a84c85d6595db387fe0d7cca65de2a12aa1b803164a

SHA512
6b9ba9319eacd4a86d92f1d2e7ff979979a95e46d46d4581b08df0038f181a173aaf581076942856c48799ebe48f81ecf763b8219b5def30e7889d90b9b73db8

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