Analysis
- max time kernel
62s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:41
Static task
static1
Behavioral task
behavioral1
Sample
inquiry for quotations35467_PDF_______________________.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
inquiry for quotations35467_PDF_______________________.exe
Resource
win10v20201028
General
- Target inquiry for quotations35467_PDF_______________________.exe
- Size 1.7MB
- Sample201109-1mnqf5gnhs
- SHA256 fe3dcdbbb57d61e04df490402d1e477ec1a804add945a2287c697b18a2234227
- MD5 c06336e5f5da551218393bbe1e11449e
- SHA1 5791db1908e76a11507e499de8bff344646da543
- SHA512 146e961effb20c0d04d58ddb1d15708e74d44cb359d7844579cc3896e9e87a7dc5ac35ff6f77fbcb61b19a9fff8c7909be012a8610dd4f2a4cd255a2ee42e015
- MD5 SHA1 SHA512
Malware Config
Signatures
- CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
resource yara_rule behavioral2/memory/3940-6-0x0000000004DF0000-0x0000000004DF3000-memory.dmp coreentity - MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file -
resource yara_rule behavioral2/memory/3940-7-0x00000000087E0000-0x0000000008941000-memory.dmp rezer0 -
resource yara_rule behavioral2/files/0x000100000001ab65-295.dat upx - 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-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\International\Geo\Nation inquiry for quotations35467_PDF_______________________.exe - Loads dropped DLL 1 IoCs
pid Process 3776 inquiry for quotations35467_PDF_______________________.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 20 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3940 set thread context of 3776 3940 inquiry for quotations35467_PDF_______________________.exe 75 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3776 inquiry for quotations35467_PDF_______________________.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3776 inquiry for quotations35467_PDF_______________________.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3776 inquiry for quotations35467_PDF_______________________.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3776 inquiry for quotations35467_PDF_______________________.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3940 wrote to memory of 3776 3940 inquiry for quotations35467_PDF_______________________.exe 75 PID 3940 wrote to memory of 3776 3940 inquiry for quotations35467_PDF_______________________.exe 75 PID 3940 wrote to memory of 3776 3940 inquiry for quotations35467_PDF_______________________.exe 75 PID 3940 wrote to memory of 3776 3940 inquiry for quotations35467_PDF_______________________.exe 75 PID 3940 wrote to memory of 3776 3940 inquiry for quotations35467_PDF_______________________.exe 75 PID 3940 wrote to memory of 3776 3940 inquiry for quotations35467_PDF_______________________.exe 75 PID 3940 wrote to memory of 3776 3940 inquiry for quotations35467_PDF_______________________.exe 75 PID 3940 wrote to memory of 3776 3940 inquiry for quotations35467_PDF_______________________.exe 75
Processes
-
C:\Users\Admin\AppData\Local\Temp\inquiry for quotations35467_PDF_______________________.exe"C:\Users\Admin\AppData\Local\Temp\inquiry for quotations35467_PDF_______________________.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Users\Admin\AppData\Local\Temp\inquiry for quotations35467_PDF_______________________.exe"{path}"2⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3776
-