ff2c2ae77e1b00829710601852b7dd95c4db15f332838807605e53bde54692df

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05-02-2024 01:25

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General

Target

res/scripts/client/gui/pmod/_legacy.pyc
Size

442KB
MD5

63cb6e1d201ffd0e2bf7bd35cd67b720
SHA1

c9138a3148512cac34e851c15bbaf2184a5983c7
SHA256

fb279ca0f51a5323371c1fd24ce827979eece4e9618e1e26645cf71bdbf009b7
SHA512

205f4e7d4fbf1d17717ab4fbf07b2d3ee343cd51dad03ce45d5e79fd5b56b6d0158449d6e94a6ce1dfc58f133aa854e3637ee2520138ff5c95627527adafb6eb
SSDEEP

12288:Z8Ut7+4ylPxHR3C+Os+Vw6ZlKH+jx3tQDyrY8M6:Z8UpjiKe+V9ldx3tky5M6

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2852	2428	cmd.exe	29
PID 2428 wrote to memory of 2852	2428	cmd.exe	29
PID 2428 wrote to memory of 2852	2428	cmd.exe	29
PID 2852 wrote to memory of 2724	2852	rundll32.exe	30
PID 2852 wrote to memory of 2724	2852	rundll32.exe	30
PID 2852 wrote to memory of 2724	2852	rundll32.exe	30
PID 2852 wrote to memory of 2724	2852	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\res\scripts\client\gui\pmod\_legacy.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\res\scripts\client\gui\pmod\_legacy.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2852
- - 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\res\scripts\client\gui\pmod\_legacy.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

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
f7209f7f5a9aac5859c5f0a2d32429df

SHA1
5fcc86f8ec15e62959eff6d9745c717a450a6fca

SHA256
d5c1d498de060328b025be738787ad24700d6a110ed8e3e00bd0a34aa8ecdbf9

SHA512
6543855b23be582c0ad21816af6584e2a355e0dec9873503a21b8f8ea0bf6b7dbb14578a99a21ddd11c21a57e4dd0ab86c48daf79638b7dee215875fefdbda11

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