Analysis
-
max time kernel
92s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2022 15:42
Static task
static1
Behavioral task
behavioral1
Sample
e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe
Resource
win10v2004-20220812-en
General
-
Target
e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe
-
Size
151KB
-
MD5
70894b11181e0bf5529b54ca031249c0
-
SHA1
ec258c939b302d20488b5b827d34afb5092c52fc
-
SHA256
e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2
-
SHA512
40c0ace3ae75485e36fc9b485fb06fd57864f09c1ade1163914b7925332eb5ccee1c19b8e5bdd144f235d9cd5676297e7f01d2c26195d2b7162a0477ade117a0
-
SSDEEP
3072:r2zwO+l8x4tWcvcc0ansSnYMIzds6IZj1pX154/5:r2z5IWOcc0asDD41T54/5
Malware Config
Signatures
-
Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Z: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\H: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\G: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\E: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\U: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\R: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\Q: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\L: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\K: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\J: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\X: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\V: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\N: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\M: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\Y: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\W: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\T: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\S: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\P: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\O: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\I: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened (read-only) \??\F: e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4480 4816 WerFault.exe 81 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4816 e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe 4816 e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe"C:\Users\Admin\AppData\Local\Temp\e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:4816 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 7282⤵
- Program crash
PID:4480
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4816 -ip 48161⤵PID:5048