7db1175e55e2bc864c8e8f0915b5f4167cb0a49a87a751b3fa429be6dc4a8896

Analysis

max time kernel
134s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2023 12:22

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General

Target

04639854539053e9c2a0eea9e38b5b6c.exe
Size

328KB
MD5

04639854539053e9c2a0eea9e38b5b6c
SHA1

f82c1215b7d4fbea5a136a483f9bd0d022ed36cd
SHA256

7db1175e55e2bc864c8e8f0915b5f4167cb0a49a87a751b3fa429be6dc4a8896
SHA512

aa0e94af988449358310000d94021b1fbbd7736e6ae505a79b88b14a6563f19157712b78d49e5e1b9e27b9f6a314823d3e8ad89d3ccc7979878fbea05f5acfb5
SSDEEP

6144:evSBanJK/5kPas8N0HEAAf1vbViarAWbd33UEPT:evjas8uHEAAtvBpkREPT

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	4984	3692	rundll32.exe	51

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	04639854539053e9c2a0eea9e38b5b6c.exe

Loads dropped DLL 1 IoCs

pid	Process
3896	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
2436	3896	WerFault.exe	96

Modifies registry class 44 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\ProgID\ = "sqltest.Application"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\InprocHandler32\ = "ole32.dll"	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}\1.0	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}\1.0\HELPDIR	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\ProxyStubClsid32	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\InprocHandler32\ = "ole32.dll"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\ = "sqltest.Application"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sqltest.Application\CLSID\ = "{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\046398~1.EXE"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}\1.0\FLAGS\ = "0"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\ = "Isqltest"	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\LocalServer32	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sqltest.Application\CLSID	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\ = "Isqltest"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\TypeLib\Version = "1.0"	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sqltest.Application\CLSID	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\InprocHandler32	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sqltest.Application\ = "sqltest.Application"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}\1.0\HELPDIR\	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\TypeLib	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\TypeLib	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sqltest.Application	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}\1.0\FLAGS	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\ProgID	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}\1.0\ = "sqltest"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04639854539053e9c2a0eea9e38b5b6c.exe"	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\TypeLib\ = "{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\ProgID\ = "sqltest.Application"	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\ProgID	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\InprocHandler32	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\LocalServer32	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}\1.0\0	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}\1.0\0\win32	04639854539053e9c2a0eea9e38b5b6c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\ProxyStubClsid32	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\TypeLib\ = "{B4BD8AC7-1474-45B9-87B4-845611FD1CAD}"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BE54215-DFC6-4D78-BF1A-E1F869104825}\TypeLib\Version = "1.0"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sqltest.Application\CLSID\ = "{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}"	04639854539053e9c2a0eea9e38b5b6c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{069D06BB-F6A9-428D-9070-FCFF8F5BC5F4}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\046398~1.EXE"	04639854539053e9c2a0eea9e38b5b6c.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	52	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4836	04639854539053e9c2a0eea9e38b5b6c.exe
4836	04639854539053e9c2a0eea9e38b5b6c.exe
2024	04639854539053e9c2a0eea9e38b5b6c.exe
2024	04639854539053e9c2a0eea9e38b5b6c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 2024	4836	04639854539053e9c2a0eea9e38b5b6c.exe	85
PID 4836 wrote to memory of 2024	4836	04639854539053e9c2a0eea9e38b5b6c.exe	85
PID 4836 wrote to memory of 2024	4836	04639854539053e9c2a0eea9e38b5b6c.exe	85
PID 4984 wrote to memory of 3896	4984	rundll32.exe	96
PID 4984 wrote to memory of 3896	4984	rundll32.exe	96
PID 4984 wrote to memory of 3896	4984	rundll32.exe	96

C:\Users\Admin\AppData\Local\Temp\04639854539053e9c2a0eea9e38b5b6c.exe
"C:\Users\Admin\AppData\Local\Temp\04639854539053e9c2a0eea9e38b5b6c.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Users\Admin\AppData\Local\Temp\04639854539053e9c2a0eea9e38b5b6c.exe
  "C:\Users\Admin\AppData\Local\Temp\04639854539053e9c2a0eea9e38b5b6c.exe" -h
  2⤵
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2024

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:4984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
  2⤵
  - Loads dropped DLL
  PID:3896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 600
    3⤵
    - Program crash
    PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3896 -ip 3896
1⤵
PID:2580

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\db.dat

Filesize
557KB

MD5
50195924762ca74975bfe703a408e687

SHA1
e3d29ab66cba1da445c98ae7c26c3e822aa5debf

SHA256
a04ae2447a8a37d4a5542815189ccca3dca71c02d744f51c6cbcee4048204116

SHA512
61902d8b500b19438fdcdc3d99b238313c95d15947f29e6f5c30b5e5a90aaf92624ee153648d33024cba20f6dbaf599deca5cd5c64cb2b7f3d9f8ea1de9800a0

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