1bc8b335b0a1af5b0ecbf39f20946041219c551c7dc367ec6e4eb4e87107bc97

Analysis

max time kernel
19s
max time network
16s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
08/06/2024, 14:13

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General

Target

build.pyc
Size

64KB
MD5

40c03899b664e90df6e9c2db8bd3471a
SHA1

395b49a0410a25a5d09870b6f394ebb3a9a62b7f
SHA256

f82d7ed28482ec77cb92635fe90a70959394a4cc6fa29d0fac5d0e3c062b9455
SHA512

2b678035641d0661d74d893746d6e0a5a99987ca60666c7500f755f2b59793b2ae3477f02726a35d4d803ca25b8ffb5903d85f28095366b04e7785b5da949cc9
SSDEEP

1536:7CrQqe+0Ql9pObo8BHWftlx7HFHOW98VgeOR2eP:7CrYbo8B2VlxTVHMgeORH

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

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4044	OpenWith.exe

Suspicious use of SetWindowsHookEx 25 IoCs

pid	Process
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
4044	OpenWith.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 2464	4044	OpenWith.exe	91
PID 4044 wrote to memory of 2464	4044	OpenWith.exe	91
PID 4044 wrote to memory of 2464	4044	OpenWith.exe	91

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\build.pyc
1⤵
- Modifies registry class
PID:3640

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\build.pyc"
  2⤵
  - Checks processor information in registry
  - Suspicious use of SetWindowsHookEx
  PID:2464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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