6cd5954cd059e42320836890d56dc71c66b79c6286a718b4b90342970e9a229a

General

Target

bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe
Size

880KB
MD5

50793b3b016fe3d7042a286e70c8c2db
SHA1

636db5add1b385fdbe8f01a097a39aa64591fc8e
SHA256

bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254
SHA512

b2035b2fcd0eb4b3874b2a0cf14ce25b17509129fe88924f1884a70e78b51a78922d6299e728b113754cbb1b21f02565c4367644d99712f93f052134a9ac91b3
SSDEEP

6144:LQuiA1RTz/cYja2ieb5YbF5R+Jn8xH97r7FU1d43wUmDm:nz/9ja2ieFYp5R+I7uY

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 380 3416 rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	380	3416	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:

bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

1324 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

1112 1324 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 14 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1324	rundll32.exe

pid	pid_target	process	target process
1112	1324	WerFault.exe	rundll32.exe

description	flow	ioc
HTTP User-Agent header	14	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exebbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe

pid	process
4824	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe
4824	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe
2076	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe
2076	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exerundll32.exe

description	pid	process	target process
PID 4824 wrote to memory of 2076	4824	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe
PID 4824 wrote to memory of 2076	4824	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe
PID 4824 wrote to memory of 2076	4824	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe	bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe
PID 380 wrote to memory of 1324	380	rundll32.exe	rundll32.exe
PID 380 wrote to memory of 1324	380	rundll32.exe	rundll32.exe
PID 380 wrote to memory of 1324	380	rundll32.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe
"C:\Users\Admin\AppData\Local\Temp\bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4824

C:\Users\Admin\AppData\Local\Temp\bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe
"C:\Users\Admin\AppData\Local\Temp\bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe" -h
2⤵
- Suspicious use of SetWindowsHookEx
PID:2076

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:380

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
2⤵
- Loads dropped DLL
PID:1324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 600
3⤵
- Program crash
PID:1112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1324 -ip 1324
1⤵
PID:1160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
12a2ea9884738cc71cd622a9c86bc041

SHA1
e0dbb25a0c54b69c2b35e05ba58f40b053463f4b

SHA256
1181ed73b4f90cb0fc4c787d4791adf14ac25bbb02460a78ab0959bd2dbf5aaf

SHA512
d0abf082376c90bdaff759b7e7502c0791de17ca554e695141506e6f6f0fe29aac9d71e817d4a601e2b2db47c88e03203d54f59cdd29c0f7b1e161c5a063c15b

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

MD5
1b20e998d058e813dfc515867d31124f

SHA1
c9dc9c42a748af18ae1a8c882b90a2b9e3313e6f

SHA256
24a53033a2e89acf65f6a5e60d35cb223585817032635e81bf31264eb7dabd00

SHA512
79849fbdb9a9e7f7684b570d14662448b093b8aa2b23dfd95856db3a78faf75a95d95c51b8aa8506c4fbecffebcc57cd153dda38c830c05b8cd38629fae673c6

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

MD5
1b20e998d058e813dfc515867d31124f

SHA1
c9dc9c42a748af18ae1a8c882b90a2b9e3313e6f

SHA256
24a53033a2e89acf65f6a5e60d35cb223585817032635e81bf31264eb7dabd00

SHA512
79849fbdb9a9e7f7684b570d14662448b093b8aa2b23dfd95856db3a78faf75a95d95c51b8aa8506c4fbecffebcc57cd153dda38c830c05b8cd38629fae673c6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads