9ca648fad08d86feab816bb3116a5f0439c372d65b9382778c72d704ad50abd2

Analysis

max time kernel
90s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
17/11/2022, 00:52

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General

Target
0e6c9519ccf7632b6550b022d0072018.exe
Size 923KB
Sample221117-a73cbshd5v
SHA256 9ca648fad08d86feab816bb3116a5f0439c372d65b9382778c72d704ad50abd2
MD5 0e6c9519ccf7632b6550b022d0072018
SHA1 7f2cf298ebdd80da7e12db61f655462f1d518317
SHA512 d7ea54d97d3b3f44395e85265e0f5a178367762c9b87cb5f85a319a86bbe321fc7d5fa1f13c2572b99d5fa54a2cbe0f0db37117c9d6636bf58d4be4e9f93359d
SSDEEP 3072:RSYXGw6CPL8ps6U3vUAlBlbusYkt2OETI3p8zZbni72qlGqG111JvXy0RhPZKwCt:RSYXecod0CTc32hi72qlS11dXY7H
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2828	4072	rundll32.exe	60

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	0e6c9519ccf7632b6550b022d0072018.exe

Loads dropped DLL 1 IoCs

pid	Process
1356	rundll32.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
788	1356	WerFault.exe	84

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 4844	3996	0e6c9519ccf7632b6550b022d0072018.exe	81
PID 3996 wrote to memory of 4844	3996	0e6c9519ccf7632b6550b022d0072018.exe	81
PID 3996 wrote to memory of 4844	3996	0e6c9519ccf7632b6550b022d0072018.exe	81
PID 2828 wrote to memory of 1356	2828	rundll32.exe	84
PID 2828 wrote to memory of 1356	2828	rundll32.exe	84
PID 2828 wrote to memory of 1356	2828	rundll32.exe	84

C:\Users\Admin\AppData\Local\Temp\0e6c9519ccf7632b6550b022d0072018.exe
"C:\Users\Admin\AppData\Local\Temp\0e6c9519ccf7632b6550b022d0072018.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Users\Admin\AppData\Local\Temp\0e6c9519ccf7632b6550b022d0072018.exe
  "C:\Users\Admin\AppData\Local\Temp\0e6c9519ccf7632b6550b022d0072018.exe" -q
  2⤵
  PID:4844

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
  2⤵
  - Loads dropped DLL
  PID:1356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 600
    3⤵
    - Program crash
    PID:788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1356 -ip 1356
1⤵
PID:1940

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

db.dat

Path C:\Users\Admin\AppData\Local\Temp\db.dat
Size 557KB
SHA256 a8cf4f8ab28295e3a0179c64a3ddac28441450885cd8f4734243bf8a90383cef
MD5 3897ee3268ee0264d96c7b74b91d026d
SHA1 e0a3f26a01b64ce7aef62fb65802860bc504ac89
SHA512 ecb049602a28aff75afa12fe28c9cd973aacf5751c8017b993e281ae8df2ec312968c04b656165953708d8b58181248d9c9d3a1fc74c02c847d6936d129e7af9
SSDEEP 12288:+V1e0UgkVT6ZT+3JCnoxgLwImxuCXwbePLJrH8fwpI4SG:+V1edgkV8T0Cnoxdf4ePLJTMwpIA
MD5 SHA1 SHA512 SSDEEP

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db.dll

Path C:\Users\Admin\AppData\Local\Temp\db.dll
Size 52KB
SHA256 3d73e4425bb7294f20ef86096504ab96d288bd70d2bc6a8361b629903f3b1d01
MD5 845a5f94673e266f80fae41538a94db1
SHA1 a8ed5ba958b94eb55a44f20a4791a58b76e91f0c
SHA512 f01450a61a6b2daec92fab31c9f153c76574f169f3fef2c6d0cf9283cf730a099c9b7c0cbc4ac44cc4d3c067565a49b8135aa85b745ea340a9d5f8c9dc5c3f81
SSDEEP 768:SJZtqsi21F/i//PzxH08AZhEZYamtVtBFw8:SRD89H087CtBW8
MD5 SHA1 SHA512 SSDEEP

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db.dll

Path C:\Users\Admin\AppData\Local\Temp\db.dll
Size 52KB
SHA256 3d73e4425bb7294f20ef86096504ab96d288bd70d2bc6a8361b629903f3b1d01
MD5 845a5f94673e266f80fae41538a94db1
SHA1 a8ed5ba958b94eb55a44f20a4791a58b76e91f0c
SHA512 f01450a61a6b2daec92fab31c9f153c76574f169f3fef2c6d0cf9283cf730a099c9b7c0cbc4ac44cc4d3c067565a49b8135aa85b745ea340a9d5f8c9dc5c3f81
SSDEEP 768:SJZtqsi21F/i//PzxH08AZhEZYamtVtBFw8:SRD89H087CtBW8
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads