Analysis
- max time kernel
150s - max time network
136s - platform
windows10_x64 - resource
win10v20210410 - submitted
22/07/2021, 06:09
General
- Target 10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe
- Size 897KB
- Sample210722-jbblcs6tve
- SHA256 9e4b6c3beacf15788e4ab0c3dc67962de4e1181854ea65124ba7231ff88730dc
Malware Config
Signatures
- A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty Payload 2 IoCs
- A310logger Executable 4 IoCs
- Executes dropped EXE 1 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- 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.
- Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 2 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 28 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe"C:\Users\Admin\AppData\Local\Temp\10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe"C:\Users\Admin\AppData\Local\Temp\10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 244⤵
- Program crash
-
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 884⤵
- Program crash
-
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2180-134-0x0000000003090000-0x0000000003091000-memory.dmp
memory/2180-132-0x0000000000400000-0x0000000000418000-memory.dmp
memory/3680-120-0x0000000004B20000-0x0000000004B21000-memory.dmp
memory/3680-126-0x00000000049E0000-0x0000000004A72000-memory.dmp
memory/3680-122-0x0000000004BF0000-0x0000000004BFF000-memory.dmp
memory/3680-121-0x0000000004D40000-0x0000000004DB1000-memory.dmp
memory/3680-114-0x0000000000170000-0x0000000000171000-memory.dmp
memory/3680-119-0x0000000004B70000-0x0000000004B71000-memory.dmp
memory/3680-118-0x0000000004C10000-0x0000000004C11000-memory.dmp
memory/3680-117-0x0000000004A80000-0x0000000004A81000-memory.dmp
memory/3680-116-0x0000000005070000-0x0000000005071000-memory.dmp
memory/3784-138-0x0000000000D40000-0x0000000000D42000-memory.dmp
memory/3832-123-0x0000000000400000-0x0000000000430000-memory.dmp