Analysis
- max time kernel
75s - max time network
144s - platform
windows10_x64 - resource
win10 - submitted
10/09/2020, 14:06
Static task
static1
Behavioral task
behavioral1
Sample
nVkQjm0aZiiyXKw.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
nVkQjm0aZiiyXKw.exe
Resource
win10
0 signatures
0 seconds
General
- Target nVkQjm0aZiiyXKw.exe
- Size 770KB
- Sample200910-484ety74n2
- SHA256 047e9f8b825378da0ad294496cbed35ff024c2742993e6eb0d4a1bc94c6bdb02
- MD5 9ad96d978ae35734ee4a81ff63d8b1c7
- SHA1 8d5ef619f13d4b059cf69b21afaa686131649a4f
- SHA512 be3a03f67d8828c062f1feb333fbe681e08a510cc626c26af031d65e284f307dfdbcbf908d85dfdf2659acfb4f7aeeb1b3f158e36b6729cccfae1c828f64b60f
- MD5 SHA1 SHA512
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Control Panel\International\Geo\Nation nVkQjm0aZiiyXKw.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3024 set thread context of 1732 3024 nVkQjm0aZiiyXKw.exe 76 - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat svchost.exe - Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1" svchost.exe Set value (data) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 05f37c087b87d601 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad svchost.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1732 nVkQjm0aZiiyXKw.exe - Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 3024 nVkQjm0aZiiyXKw.exe 3024 nVkQjm0aZiiyXKw.exe 3024 nVkQjm0aZiiyXKw.exe 1732 nVkQjm0aZiiyXKw.exe 1732 nVkQjm0aZiiyXKw.exe 1732 nVkQjm0aZiiyXKw.exe 1732 nVkQjm0aZiiyXKw.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3916 svchost.exe Token: SeCreatePagefilePrivilege 3916 svchost.exe Token: SeDebugPrivilege 3024 nVkQjm0aZiiyXKw.exe Token: SeDebugPrivilege 1732 nVkQjm0aZiiyXKw.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1732 nVkQjm0aZiiyXKw.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3024 wrote to memory of 1732 3024 nVkQjm0aZiiyXKw.exe 76 PID 3024 wrote to memory of 1732 3024 nVkQjm0aZiiyXKw.exe 76 PID 3024 wrote to memory of 1732 3024 nVkQjm0aZiiyXKw.exe 76 PID 3024 wrote to memory of 1732 3024 nVkQjm0aZiiyXKw.exe 76 PID 3024 wrote to memory of 1732 3024 nVkQjm0aZiiyXKw.exe 76 PID 3024 wrote to memory of 1732 3024 nVkQjm0aZiiyXKw.exe 76 PID 3024 wrote to memory of 1732 3024 nVkQjm0aZiiyXKw.exe 76 PID 3024 wrote to memory of 1732 3024 nVkQjm0aZiiyXKw.exe 76
Processes
-
C:\Users\Admin\AppData\Local\Temp\nVkQjm0aZiiyXKw.exe"C:\Users\Admin\AppData\Local\Temp\nVkQjm0aZiiyXKw.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Users\Admin\AppData\Local\Temp\nVkQjm0aZiiyXKw.exe"{path}"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1732
-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3916