9e11cf968b143a99f39661d9898abb07473eccd78c98440638d78503fb92ef34

Analysis

max time kernel
33s
max time network
19s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
03-10-2023 10:05

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General

Target

edu.pyc
Size

4KB
MD5

76d4d94a755ac7f57bfe4e6cc9a06522
SHA1

a52bf74ad569865c080d770330a65dbe982fdaf7
SHA256

205a79ba9607617f17f29b0dd2bf46950edff05935b44091f6b66675d74e0b77
SHA512

ccfb2dcb99f8ce9cd5dfbe07f6a6d53854a5a868f315fbc1a2e2b7ce1d29a9007b33cdf7f503f08aa1620ca51e3d67c825ec2d2966484ed2feeed66b2f1b818d
SSDEEP

96:nXHYeaFliUhgHA55ESoSFcIPtHF6FZvyFNpyaOd:nXHYeaFliCGSoSaCMFZvyHp/Od

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-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_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-1-5-21-86725733-3001458681-3405935542-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2660	AcroRd32.exe
2660	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2768	2104	cmd.exe	29
PID 2104 wrote to memory of 2768	2104	cmd.exe	29
PID 2104 wrote to memory of 2768	2104	cmd.exe	29
PID 2768 wrote to memory of 2660	2768	rundll32.exe	30
PID 2768 wrote to memory of 2660	2768	rundll32.exe	30
PID 2768 wrote to memory of 2660	2768	rundll32.exe	30
PID 2768 wrote to memory of 2660	2768	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\edu.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\edu.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2768
- - 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\edu.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2660

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
82b5df28e859134b218107b2319698cd

SHA1
6482af9d6f3756c8542e2d2d0c1a7c9be0ceef2c

SHA256
695fcacbdeebd8e06be3bc248482e818cd33c063223241d815ebc21cddf23b9d

SHA512
068b04247b050d6e6faa3be108f0269440a483da223fba8c649f621cc6813bee80499f738c525384dd09888b89d91c47cb9c3d0ea23cdcbc34ab5d9530a538f9

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