Analysis
- max time kernel
147s - max time network
148s - platform
windows10_x64 - resource
win10 - submitted
29/06/2020, 07:19
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATION.exe
Resource
win7v200430
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
QUOTATION.exe
Resource
win10
windows10_x64
0 signatures
0 seconds
General
- Target QUOTATION.exe
- Size 656KB
- Sample200629-sagrt9zld6
- SHA256 9586c7e95bd2c4807b9e946ac4fd97e646ac9dd52b4afc781fa85af04c7a92dd
- MD5 7d136173ee6ca3ead217c72410f365fe
- SHA1 c1889660051cd20b88fa8d05abe5d18f0987d73b
- SHA512 1c5e6839a48044acfcd7765634b239a7692412006237fff21d46a244cdd32c781a556f875fcc3c8c7efa4a62861c1e13ec8fc2dc09e5a61d4ea486c528ac8375
- MD5 SHA1 SHA512
Score
7/10
Malware Config
Signatures
- Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe - Suspicious behavior: EnumeratesProcesses 60 IoCs
pid Process 3588 QUOTATION.exe 3588 QUOTATION.exe 2996 QUOTATION.exe 2996 QUOTATION.exe 2996 QUOTATION.exe 2996 QUOTATION.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe - Suspicious behavior: MapViewOfSection 8 IoCs
pid Process 3588 QUOTATION.exe 2996 QUOTATION.exe 2996 QUOTATION.exe 2996 QUOTATION.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe 3856 chkdsk.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2972 Explorer.EXE -
description ioc Process Key created \Registry\User\S-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 chkdsk.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run entry to start application 2 TTPs 2 IoCs
description ioc Process Key created \Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run chkdsk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LFXTL6ZPI8N = "C:\\Program Files (x86)\\C-zxxv4ix\\mjwtlxwuprp.exe" chkdsk.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3588 wrote to memory of 2996 3588 QUOTATION.exe 67 PID 3588 wrote to memory of 2996 3588 QUOTATION.exe 67 PID 3588 wrote to memory of 2996 3588 QUOTATION.exe 67 PID 2972 wrote to memory of 3856 2972 Explorer.EXE 68 PID 2972 wrote to memory of 3856 2972 Explorer.EXE 68 PID 2972 wrote to memory of 3856 2972 Explorer.EXE 68 PID 3856 wrote to memory of 3788 3856 chkdsk.exe 69 PID 3856 wrote to memory of 3788 3856 chkdsk.exe 69 PID 3856 wrote to memory of 3788 3856 chkdsk.exe 69 PID 3856 wrote to memory of 3752 3856 chkdsk.exe 71 PID 3856 wrote to memory of 3752 3856 chkdsk.exe 71 PID 3856 wrote to memory of 3752 3856 chkdsk.exe 71 PID 3856 wrote to memory of 3548 3856 chkdsk.exe 73 PID 3856 wrote to memory of 3548 3856 chkdsk.exe 73 PID 3856 wrote to memory of 3548 3856 chkdsk.exe 73 - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3588 set thread context of 2996 3588 QUOTATION.exe 67 PID 2996 set thread context of 2972 2996 QUOTATION.exe 56 PID 3856 set thread context of 2972 3856 chkdsk.exe 56 - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2996 QUOTATION.exe Token: SeShutdownPrivilege 2972 Explorer.EXE Token: SeCreatePagefilePrivilege 2972 Explorer.EXE Token: SeDebugPrivilege 3856 chkdsk.exe Token: SeShutdownPrivilege 2972 Explorer.EXE Token: SeCreatePagefilePrivilege 2972 Explorer.EXE Token: SeShutdownPrivilege 2972 Explorer.EXE Token: SeCreatePagefilePrivilege 2972 Explorer.EXE Token: SeShutdownPrivilege 2972 Explorer.EXE Token: SeCreatePagefilePrivilege 2972 Explorer.EXE Token: SeShutdownPrivilege 2972 Explorer.EXE Token: SeCreatePagefilePrivilege 2972 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2972 Explorer.EXE - Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\C-zxxv4ix\mjwtlxwuprp.exe chkdsk.exe
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2972 -
C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:3588 -
C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
PID:2996
-
-
-
C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Modifies Internet Explorer settings
- Adds Run entry to start application
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Drops file in Program Files directory
PID:3856 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"3⤵PID:3788
-
-
C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵PID:3752
-
-
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:3548
-
-