Analysis
- max time kernel
118s - max time network
142s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
04/02/2022, 14:01
Static task
static1
Behavioral task
behavioral1
Sample
3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe
Resource
win10v2004-en-20220112
0 signatures
0 seconds
General
- Target 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe
- Size 93KB
- Sample220204-rblhdaahbl
- SHA256 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8
- MD5 8ca753bfe600c706450ed63844d97136
- SHA1 63cb396f48c852efcb9d8e6925cf1eff5c33debf
- SHA512 c52608b4c9f8f3fa2c3153413beb6e2ffd66778e173555fb94be70231dad760d018e776e321565f54eede1cb6e530305455dfdcdfe862250f529d56fd393acdb
- MD5 SHA1 SHA512
Malware Config
Signatures
- Downloads MZ/PE file
- Deletes itself 1 IoCs
pid Process 1240 cmd.exe - Loads dropped DLL 5 IoCs
pid Process 1152 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe 1152 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe 1152 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe 1152 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe 1152 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1912 timeout.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1152 wrote to memory of 1240 1152 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe 29 PID 1152 wrote to memory of 1240 1152 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe 29 PID 1152 wrote to memory of 1240 1152 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe 29 PID 1152 wrote to memory of 1240 1152 3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe 29 PID 1240 wrote to memory of 1912 1240 cmd.exe 31 PID 1240 wrote to memory of 1912 1240 cmd.exe 31 PID 1240 wrote to memory of 1912 1240 cmd.exe 31 PID 1240 wrote to memory of 1912 1240 cmd.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe"C:\Users\Admin\AppData\Local\Temp\3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\3a950b6406e9f4098accf439b350ac1f56276e97a23c63394b0a558c96ec0ea8.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1912
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