22ec3789a43ae3faca8a10530445617686dda2ea99d44c0bcf21ab7e795dc0ea

Analysis

max time kernel
145s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2023 07:54

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General

Target

32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe
Size

143.3MB
MD5

b0ed21aa62e33da473528fbc1ed159bb
SHA1

441a9c102b61ada34762ce015535c8510170dcf0
SHA256

312618f9617883ff91935c9407feb70603fd1f7d246db75ab3f129e267752aab
SHA512

086665d64d431975d9ba7e9532adedcfaf0ccc9c184c1fedc8fc1baa197c0f1080b78a160b89f84c875f3bffd74c70b24e0f2dbd35d29bb0fdec22d5bb38252c
SSDEEP

6144:/OsY+HgEiTA14Xn0Ti8v1bbFgXIQdjrfzNt1KEP:O814Xn0Ti8tbJyIQdjrfzQEP

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	2092	2872	rundll32.exe	19

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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe

Loads dropped DLL 1 IoCs

pid	Process
2124	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
4960	2124	WerFault.exe	88

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	25	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5008	32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe
5008	32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe
3364	32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe
3364	32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 3364	5008	32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe	84
PID 5008 wrote to memory of 3364	5008	32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe	84
PID 5008 wrote to memory of 3364	5008	32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe	84
PID 2092 wrote to memory of 2124	2092	rundll32.exe	88
PID 2092 wrote to memory of 2124	2092	rundll32.exe	88
PID 2092 wrote to memory of 2124	2092	rundll32.exe	88

C:\Users\Admin\AppData\Local\Temp\32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe
"C:\Users\Admin\AppData\Local\Temp\32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Users\Admin\AppData\Local\Temp\32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe
  "C:\Users\Admin\AppData\Local\Temp\32e60467041b40146d87fc1c8c734f60f7e3763820e0c2a852a801c8afd1c7ab.100-200.exe" -h
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3364

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:2092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
  2⤵
  - Loads dropped DLL
  PID:2124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 600
    3⤵
    - Program crash
    PID:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2124 -ip 2124
1⤵
PID:2492

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

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

Filesize
557KB

MD5
819ae848dc8b172ef0db45a423cc4024

SHA1
e78a66524da011216a63d9936bd4b22b9d0335d2

SHA256
1213515bf29bf5dbedd80835b8cf1310b952525fcc716faf0b3d602930cacf24

SHA512
a8fe171c6edc22ee62999c70167a9d904d5d94a50e9dca7a7240dbd6a14b0e684fc19d5bc99dfbd3a82bdf8ccb62f6144a8b310f77432224631ac428ded0b084

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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