16035f6310ec9a118d65f9a064a932afc675e98e77c35f2117737d452bb248fc

Resubmissions

14/06/2024, 16:37

240614-t4391ascpr 7

14/06/2024, 16:32

240614-t2ehvssbqp 7

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
14/06/2024, 16:32

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General

Target

yea.pyc
Size

12KB
MD5

4e48d5d5eb1b064418a73bbae21f75ad
SHA1

e69c1f71930159e5c89cbed6e9f9d716720f37eb
SHA256

6d7d1720e0529edcac2588a1469599df12cf6016b15702e3890139e357c2c304
SHA512

a5483f9f877c4b367e7fa177c1b3c33d2c40fd9df1302344328d1f38304af79607429ad76b2997e81efc11207729c55465c7db07b953af83964ef2a16d9b8529
SSDEEP

192:x/9xv5G8EYe5s5lXM0LUbkDIs/J4OS0KYyjhUV:dv5GGeCrvUbTsKbThg

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2388	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2388	AcroRd32.exe
2388	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2812	2276	cmd.exe	29
PID 2276 wrote to memory of 2812	2276	cmd.exe	29
PID 2276 wrote to memory of 2812	2276	cmd.exe	29
PID 2812 wrote to memory of 2388	2812	rundll32.exe	30
PID 2812 wrote to memory of 2388	2812	rundll32.exe	30
PID 2812 wrote to memory of 2388	2812	rundll32.exe	30
PID 2812 wrote to memory of 2388	2812	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\yea.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\yea.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2812
- - 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\yea.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2388

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
6166a17851d00374d4d298c1b79ad96c

SHA1
a9dcd579080412b3e7733faefd639d2692d3c25f

SHA256
45a9c3c5a80ba2673954f4751dce3cc58c3aeece8a31805d142da55a0b1862d6

SHA512
60e6fd891964bd43e4073844f82fa1c4644a6c89c5bafd4adb4963a0413e0c422e50958487d711209d13e6b6cfc24beab31d186921bd32db7afd572e7c87a15c

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