Analysis
- max time kernel
70s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
05/10/2022, 11:04
General
- Target a6c3eaa47e2d0922063f85495282b1e3.exe
- Size 380KB
- Sample221005-m591lsedan
- SHA256 30e2e162c2da2940451688e73c7797bde2d9ee6806df5d68ebefa35812423d40
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Lokibot
Lokibot is a Password and CryptoCoin Wallet Stealer.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a6c3eaa47e2d0922063f85495282b1e3.exe"C:\Users\Admin\AppData\Local\Temp\a6c3eaa47e2d0922063f85495282b1e3.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a6c3eaa47e2d0922063f85495282b1e3.exe"C:\Users\Admin\AppData\Local\Temp\a6c3eaa47e2d0922063f85495282b1e3.exe"2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
System.dll
memory/1500-142-0x00007FF9AE8D0000-0x00007FF9AEAC5000-memory.dmp
memory/1500-147-0x0000000001660000-0x0000000001760000-memory.dmp
memory/1500-146-0x0000000077B50000-0x0000000077CF3000-memory.dmp
memory/1500-145-0x00007FF9AE8D0000-0x00007FF9AEAC5000-memory.dmp
memory/1500-143-0x0000000077B50000-0x0000000077CF3000-memory.dmp
memory/1500-139-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1500-140-0x0000000001660000-0x0000000001760000-memory.dmp
memory/1500-141-0x0000000001660000-0x0000000001760000-memory.dmp
memory/1756-136-0x0000000077B50000-0x0000000077CF3000-memory.dmp
memory/1756-138-0x0000000077B50000-0x0000000077CF3000-memory.dmp
memory/1756-144-0x00000000049D0000-0x0000000004AD1000-memory.dmp
memory/1756-135-0x00007FF9AE8D0000-0x00007FF9AEAC5000-memory.dmp
memory/1756-134-0x00000000049D0000-0x0000000004AD1000-memory.dmp
memory/1756-133-0x00000000049D0000-0x0000000004AD1000-memory.dmp