9eac1431ffed774bb2753771819283c3eac6509cebfa141909ba6e8cb281f31a

Analysis

max time kernel
149s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24/03/2023, 01:42

Target

dividead_language_packs.7z
Size

3.9MB
MD5

af16b45acdd721d9fd51da3bfc290711
SHA1

d50b74dff3984a6076ab8a81649d08d2443191ac
SHA256

90ed763b9e7548e6725534f7814b90d2c720ba8668c695f0de345ba089dd0b91
SHA512

c5198a6977e78bc97296ce226b6d435cf96ee368c3897e00444d78ee0ae696c4ffe4c6aa1d8c710e298ef92033b00f55a2657431200e74ee3756bfe5b97c80ae
SSDEEP

98304:tfNwM0OtM7I12zyGK3q59K5bHQYqWfRp5J0t9nwmLgLD5dg:tX0OC702zbv9aPqAR90t9nvKdg

Score

3^/10

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.7z	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\7z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 612 wrote to memory of 1104	612	cmd.exe	29
PID 612 wrote to memory of 1104	612	cmd.exe	29
PID 612 wrote to memory of 1104	612	cmd.exe	29
PID 1104 wrote to memory of 1964	1104	rundll32.exe	30
PID 1104 wrote to memory of 1964	1104	rundll32.exe	30
PID 1104 wrote to memory of 1964	1104	rundll32.exe	30
PID 1104 wrote to memory of 1964	1104	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\dividead_language_packs.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:612
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\dividead_language_packs.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1104
- - 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\dividead_language_packs.7z"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1964

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact