f8df4d44bd5491dadfcf25353e38b192b629e4af2500bdc9a3816739d7bbd510

Resubmissions

14/10/2023, 12:19

231014-phacksdh3s 3

14/10/2023, 12:17

231014-pf2daafh27 3

14/10/2023, 12:13

231014-pd9a4sfg86 3

Analysis

max time kernel
163s
max time network
140s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
14/10/2023, 12:17

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General

Target

gui.pyc
Size

930B
MD5

a71b7ffa68d898f136ece4bd26be89c9
SHA1

936e488c1e5fde1b956eb3481f63a99009fb546d
SHA256

3b015d51c1458bdaf2f5077de17c3b73dcc93dafc8f1e1a7ffc73b50addfaed7
SHA512

75a30386135fcb6f36757c08665a1b37990b994d4c2d4e3573bc4453d3b82e7a8b33da633a0ed95921ac1181f1c14fdddaaff5a800b6be1e5de1d8997105a316

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-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_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-1-5-21-607259312-1573743425-2763420908-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2700	2480	cmd.exe	29
PID 2480 wrote to memory of 2700	2480	cmd.exe	29
PID 2480 wrote to memory of 2700	2480	cmd.exe	29
PID 2700 wrote to memory of 2960	2700	rundll32.exe	30
PID 2700 wrote to memory of 2960	2700	rundll32.exe	30
PID 2700 wrote to memory of 2960	2700	rundll32.exe	30
PID 2700 wrote to memory of 2960	2700	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\gui.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\gui.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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\gui.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2960

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
aef8fc9c5307d9514477927ba7120aa8

SHA1
b702d28181027e6d2b78c771ae99b95520167979

SHA256
53ca28bc235525155e1e574b864e79ae0e3b7029f99ebc2878278551715a8db8

SHA512
49cdf92eace8b7ebc8cfba74374129502e1f8969d2b753f38b14c28a2e9cbaf53e72c127c599486d839849f242c6998f6344139fd8b026b17862f1c6bcb2cc87

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