cb2758f0f595a4fd22411088590a3bb671834342e73b86c4ef9d863d28eec8ed

Analysis

max time kernel
144s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2023 15:29

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General

Target

Crack.exe
Size

880KB
MD5

e299ac0fd27e67160225400bdd27366f
SHA1

65011c91a7fbae82f4a6f3c81ff396b96f84359c
SHA256

cb2758f0f595a4fd22411088590a3bb671834342e73b86c4ef9d863d28eec8ed
SHA512

f4f4e4554b4391b50977948dbc7c1eb2c837fdb2f321665e406af90dba9ba4b2c4a851406ca13cb321c363602f24b963633c5153329f5e292f4a076e2cb98b46
SSDEEP

6144:LQuiA1RTz/cYja2ieb5YbF5R+Jn8xH97r7F71d43wUmDm:nz/9ja2ieFYp5R+I7BY

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.

Processes:

rundll32.exe

description pid pid_target process target process

Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1728 4436 rundll32.exe
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

Processes:

Crack.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation Crack.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

1708 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

Processes:

WerFault.exe

pid pid_target process target process

2288 1708 WerFault.exe rundll32.exe
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 16 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

Crack.exeCrack.exe

pid process

3536 Crack.exe
3536 Crack.exe
3900 Crack.exe
3900 Crack.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1728	4436	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	Crack.exe

pid	process
1708	rundll32.exe

pid	pid_target	process	target process
2288	1708	WerFault.exe	rundll32.exe

description	flow	ioc
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
3536	Crack.exe
3536	Crack.exe
3900	Crack.exe
3900	Crack.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Crack.exerundll32.exe

description	pid	process	target process
PID 3536 wrote to memory of 3900	3536	Crack.exe	Crack.exe
PID 3536 wrote to memory of 3900	3536	Crack.exe	Crack.exe
PID 3536 wrote to memory of 3900	3536	Crack.exe	Crack.exe
PID 1728 wrote to memory of 1708	1728	rundll32.exe	rundll32.exe
PID 1728 wrote to memory of 1708	1728	rundll32.exe	rundll32.exe
PID 1728 wrote to memory of 1708	1728	rundll32.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\Crack.exe
"C:\Users\Admin\AppData\Local\Temp\Crack.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3536

C:\Users\Admin\AppData\Local\Temp\Crack.exe
"C:\Users\Admin\AppData\Local\Temp\Crack.exe" -h
2⤵
- Suspicious use of SetWindowsHookEx
PID:3900

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:1728

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
2⤵
- Loads dropped DLL
PID:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 608
3⤵
- Program crash
PID:2288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1708 -ip 1708
1⤵
PID:732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\db.dat
Filesize
557KB

MD5
df7b932ab62e929e3da95470914c10f3

SHA1
a63097f937fbe5cde36ab3b1530d5df0fb250fb5

SHA256
655a93928167bd8c84bc8dd6810c96cdd2e66a800197065ddb77bd30b2afef45

SHA512
7f24316896ce45ee7d3544c1920967ff9e3bb31020100a333b96b19d3ef421f9d6496b87248812ca7be288febf8fe7f7272652893df6f8756ac53d49d40b3d92

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C:\Users\Admin\AppData\Local\Temp\db.dll
Filesize
52KB

MD5
1b20e998d058e813dfc515867d31124f

SHA1
c9dc9c42a748af18ae1a8c882b90a2b9e3313e6f

SHA256
24a53033a2e89acf65f6a5e60d35cb223585817032635e81bf31264eb7dabd00

SHA512
79849fbdb9a9e7f7684b570d14662448b093b8aa2b23dfd95856db3a78faf75a95d95c51b8aa8506c4fbecffebcc57cd153dda38c830c05b8cd38629fae673c6

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C:\Users\Admin\AppData\Local\Temp\db.dll
Filesize
52KB

MD5
1b20e998d058e813dfc515867d31124f

SHA1
c9dc9c42a748af18ae1a8c882b90a2b9e3313e6f

SHA256
24a53033a2e89acf65f6a5e60d35cb223585817032635e81bf31264eb7dabd00

SHA512
79849fbdb9a9e7f7684b570d14662448b093b8aa2b23dfd95856db3a78faf75a95d95c51b8aa8506c4fbecffebcc57cd153dda38c830c05b8cd38629fae673c6

Download Submit