24a95e0286a530b5962a48ccf0246b1f0bfb35b77a25d4792e16cfdf675c26d5

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
17/08/2023, 23:04

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General

Target

shadowgen.pyc
Size

1KB
MD5

c1eada488b7e9b877345a169dddd5718
SHA1

d23e8f00cb92a813e7a9fefb8ef85c4cf5d1f1df
SHA256

f70687f65e2ea74f5f1ccbbb5a229ba8d75d7f6dd2d5056e1c62e2961a1c6e8f
SHA512

481b4a4965ee0b6a92aad7717dbe784d220adc2c26babaed1b22ee64b42d79f4949919432e644bbca16e24c2cc38a96a6ca095984707b1da6600b22b68bf1b5a

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-1-5-21-4159544280-4273523227-683900707-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_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
2460	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2460	AcroRd32.exe
2460	AcroRd32.exe
2460	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 296	2552	cmd.exe	29
PID 2552 wrote to memory of 296	2552	cmd.exe	29
PID 2552 wrote to memory of 296	2552	cmd.exe	29
PID 296 wrote to memory of 2460	296	rundll32.exe	30
PID 296 wrote to memory of 2460	296	rundll32.exe	30
PID 296 wrote to memory of 2460	296	rundll32.exe	30
PID 296 wrote to memory of 2460	296	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\shadowgen.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\shadowgen.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:296
- - 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\shadowgen.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2460

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
f47483c919c0a68df9c3c4467ef4da24

SHA1
280821526142bfe83fae471cdd4a43d3bfda55e0

SHA256
c2e08d4a5f9b3239342ec73ebf61b9be614a144493f6c8390c9246ad566c2333

SHA512
8c63e4b353960c35435271314703628f1476e9e47b62723275d187865c91b42a863c20eb1a265e629a4b8da40179ccd22f6caab8d3de2a91de1958d225992ff5

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