ce5cf3b964e636d546bf2c52423296bda06b7fe47e6f8a757f165a3be93c88db

Resubmissions

03/08/2023, 10:09

230803-l66h5scg59 9

03/08/2023, 08:13

230803-j4rabscb95 9

03/08/2023, 08:07

230803-jz65zscb64 9

Analysis

max time kernel
299s
max time network
124s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
03/08/2023, 08:07

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General

Target

098dfbe8edd22b4f2feb413527e4d318.pyc
Size

431KB
MD5

f75e31e405f83ea18f457a99d611f2c5
SHA1

5cf321fc5bbdff58bad7b54dd6cfef164e84c3c4
SHA256

6596c9f4a0f2bec3b5e52654e929ddfb3246f2a9def698bcd7908bbca4b30d12
SHA512

9f05d2be142ee9039b82dffda3241f80b24d3552c50ba4d0d695153e4feca0700ee705e106d6b7d914a4e24f46245fb6f82bcb02fd17d1d577d93026c370a6ed
SSDEEP

12288:IVA8g5my1hA8/cnrdAXqNnco291Jzq2QJZKy:eHg5DAlrxnqPzS

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-1-5-21-1024678951-1535676557-2778719785-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_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-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2836	2488	cmd.exe	29
PID 2488 wrote to memory of 2836	2488	cmd.exe	29
PID 2488 wrote to memory of 2836	2488	cmd.exe	29
PID 2836 wrote to memory of 2812	2836	rundll32.exe	30
PID 2836 wrote to memory of 2812	2836	rundll32.exe	30
PID 2836 wrote to memory of 2812	2836	rundll32.exe	30
PID 2836 wrote to memory of 2812	2836	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\098dfbe8edd22b4f2feb413527e4d318.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\098dfbe8edd22b4f2feb413527e4d318.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2836
- - 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\098dfbe8edd22b4f2feb413527e4d318.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2812

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
364b834fa28f6276ad947fc531277a82

SHA1
9254a6173075b218bb50592a8c72406c13fb5658

SHA256
b208947fa65fdb9a27e50229e29bb1e94ad2118d0b311e8fe11bb77c53aea396

SHA512
7667c72afcd2dd5488c066dd4c9fa2ff86aad620593f25feee06a1551d13696b5c3c77652fa9ac493a42f307a6854c78c4ba171e1f058cdc2bcf8c515f3ac599

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