Analysis
-
max time kernel
118s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01-04-2023 05:33
Static task
static1
Behavioral task
behavioral1
Sample
5e71070130f4fc38b4e3f357d0bed6f8.exe
Resource
win7-20230220-en
General
-
Target
5e71070130f4fc38b4e3f357d0bed6f8.exe
-
Size
287KB
-
MD5
5e71070130f4fc38b4e3f357d0bed6f8
-
SHA1
5615de8da01bd898004c78474efa569731876976
-
SHA256
780ed40282d7d392080687d1e32bc017f63ffab0c0fb020d1dcf3bf7c4c186da
-
SHA512
8997fd756c5c466b6cc4eeaa327dce7f22d872d0e033fd0196199c5198081ad9db2b1a1ccd53bb99770339222183ff6c9c3b3908286a2104476ccf2e9644b02c
-
SSDEEP
6144:9dU+m6BDMpH1ybmak9rJyds1kau0Z2DIM:o+m6B21amYahuM2D
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
5e71070130f4fc38b4e3f357d0bed6f8.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation 5e71070130f4fc38b4e3f357d0bed6f8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Program crash 8 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2488 2160 WerFault.exe 5e71070130f4fc38b4e3f357d0bed6f8.exe 456 2160 WerFault.exe 5e71070130f4fc38b4e3f357d0bed6f8.exe 4976 2160 WerFault.exe 5e71070130f4fc38b4e3f357d0bed6f8.exe 4360 2160 WerFault.exe 5e71070130f4fc38b4e3f357d0bed6f8.exe 2692 2160 WerFault.exe 5e71070130f4fc38b4e3f357d0bed6f8.exe 4444 2160 WerFault.exe 5e71070130f4fc38b4e3f357d0bed6f8.exe 4740 2160 WerFault.exe 5e71070130f4fc38b4e3f357d0bed6f8.exe 412 2160 WerFault.exe 5e71070130f4fc38b4e3f357d0bed6f8.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 5096 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 5096 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
5e71070130f4fc38b4e3f357d0bed6f8.execmd.exedescription pid process target process PID 2160 wrote to memory of 2640 2160 5e71070130f4fc38b4e3f357d0bed6f8.exe cmd.exe PID 2160 wrote to memory of 2640 2160 5e71070130f4fc38b4e3f357d0bed6f8.exe cmd.exe PID 2160 wrote to memory of 2640 2160 5e71070130f4fc38b4e3f357d0bed6f8.exe cmd.exe PID 2640 wrote to memory of 5096 2640 cmd.exe taskkill.exe PID 2640 wrote to memory of 5096 2640 cmd.exe taskkill.exe PID 2640 wrote to memory of 5096 2640 cmd.exe taskkill.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5e71070130f4fc38b4e3f357d0bed6f8.exe"C:\Users\Admin\AppData\Local\Temp\5e71070130f4fc38b4e3f357d0bed6f8.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 4562⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 7722⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 7722⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 8002⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 8042⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 9282⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 10162⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 13562⤵
- Program crash
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "5e71070130f4fc38b4e3f357d0bed6f8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5e71070130f4fc38b4e3f357d0bed6f8.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\taskkill.exetaskkill /im "5e71070130f4fc38b4e3f357d0bed6f8.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2160 -ip 21601⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2160 -ip 21601⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2160 -ip 21601⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2160 -ip 21601⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2160 -ip 21601⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2160 -ip 21601⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2160 -ip 21601⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2160 -ip 21601⤵