1bc8b335b0a1af5b0ecbf39f20946041219c551c7dc367ec6e4eb4e87107bc97

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
08/06/2024, 14:13

Target
build.pyc
Size 64KB
Sample240608-rjs77acd2y
SHA256 f82d7ed28482ec77cb92635fe90a70959394a4cc6fa29d0fac5d0e3c062b9455
MD5 40c03899b664e90df6e9c2db8bd3471a
SHA1 395b49a0410a25a5d09870b6f394ebb3a9a62b7f
SHA512 2b678035641d0661d74d893746d6e0a5a99987ca60666c7500f755f2b59793b2ae3477f02726a35d4d803ca25b8ffb5903d85f28095366b04e7785b5da949cc9
SSDEEP 1536:7CrQqe+0Ql9pObo8BHWftlx7HFHOW98VgeOR2eP:7CrYbo8B2VlxTVHMgeORH
MD5 SHA1 SHA512 SSDEEP

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2540	AcroRd32.exe
2540	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2528	840	cmd.exe	29
PID 840 wrote to memory of 2528	840	cmd.exe	29
PID 840 wrote to memory of 2528	840	cmd.exe	29
PID 2528 wrote to memory of 2540	2528	rundll32.exe	30
PID 2528 wrote to memory of 2540	2528	rundll32.exe	30
PID 2528 wrote to memory of 2540	2528	rundll32.exe	30
PID 2528 wrote to memory of 2540	2528	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\build.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:840
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\build.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2528
- - 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\build.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2540

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