6f740ba69a5020a316d67e0341179ad03f9820fdde6501591255e9e98b06c0ae

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
06-09-2023 22:01

Target

UserDict.pyc
Size

11KB
MD5

efcbe1f3ba66174c7498b9d02b74c84c
SHA1

dbe94d3516b2b179124dbb7db5fa6241c3e6045c
SHA256

94dd9035bc81842df7e50550da82db7bcf3d2786387c34bca660e0836d67e9b3
SHA512

b3133caccd23b2598a10e38d08b5338426b2bd4488f984841535dd8802054619690b7763e1c38c5a61e9de1f7d15543fb0da6d91672256649022f3aa858d510d
SSDEEP

192:rhktDonbVYqbaighlUFLynIxNaHH28fbKHO0uo9DIKJq70KZEJ4blivYbi5+SH5P:3nbOqbaiAqFLynIxNanBfOO0uoaKJq7G

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_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-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2504 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2504 AcroRd32.exe
2504 AcroRd32.exe
2504 AcroRd32.exe

pid	process
2504	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2172 wrote to memory of 2752	2172	cmd.exe	rundll32.exe
PID 2172 wrote to memory of 2752	2172	cmd.exe	rundll32.exe
PID 2172 wrote to memory of 2752	2172	cmd.exe	rundll32.exe
PID 2752 wrote to memory of 2504	2752	rundll32.exe	AcroRd32.exe
PID 2752 wrote to memory of 2504	2752	rundll32.exe	AcroRd32.exe
PID 2752 wrote to memory of 2504	2752	rundll32.exe	AcroRd32.exe
PID 2752 wrote to memory of 2504	2752	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\UserDict.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\UserDict.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2752
- - 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\UserDict.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2504

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
d0b264b7d276886c7ef505272c9fccee

SHA1
5d3f9ca9ed0974b29dcbff06fbcfa40284cc597b

SHA256
d0a8fc57b72f2a58a4ae1e93f0b265c4f71aa7b1a0ee5573e4be722feb59b4d1

SHA512
3ed7e22790c24889a8eea24db7b3be0f7ca7525cfc216f9250022c3d985a4f3b7c5c8fae6ee0b96b06c1a1ddae8161300f32ae591841b1b16b82c6df7d40ebd8

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