Analysis
- max time kernel
48s - max time network
55s - platform
windows7_x64 - resource
win7-20220715-en - resource tags
- submitted
31/07/2022, 23:21
General
- Target BB55D270DABACF3C508D57DA491D4CBC7663ADD182C5B.exe
- Size 10.7MB
- Sample220731-3by91scfc2
- SHA256 bb55d270dabacf3c508d57da491d4cbc7663add182c5b78e43e717b2c74a6897
Malware Config
Signatures
- Raccoon
Raccoon is an infostealer written in C++ and first seen in 2019.
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 14 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of FindShellTrayWindow 6 IoCs
- Suspicious use of SendNotifyMessage 6 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BB55D270DABACF3C508D57DA491D4CBC7663ADD182C5B.exe"C:\Users\Admin\AppData\Local\Temp\BB55D270DABACF3C508D57DA491D4CBC7663ADD182C5B.exe"1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\StartAllBack.v3.4.3.srv_8Rg8O.exe"C:\ProgramData\StartAllBack.v3.4.3.srv_8Rg8O.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
-
C:\ProgramData\StartAllBack.v3.4.3_zBp5V.exe"C:\ProgramData\StartAllBack.v3.4.3_zBp5V.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
StartAllBack.v3.4.3.srv_8Rg8O.exe
StartAllBack.v3.4.3.srv_8Rg8O.exe
StartAllBack.v3.4.3_zBp5V.exe
StartAllBack.v3.4.3_zBp5V.exe
StartAllBack.v3.4.3.srv_8Rg8O.exe
StartAllBack.v3.4.3.srv_8Rg8O.exe
StartAllBack.v3.4.3.srv_8Rg8O.exe
StartAllBack.v3.4.3.srv_8Rg8O.exe
StartAllBack.v3.4.3_zBp5V.exe
StartAllBack.v3.4.3_zBp5V.exe
StartAllBack.v3.4.3_zBp5V.exe
StartAllBack.v3.4.3_zBp5V.exe
mozglue.dll
nss3.dll
sqlite3.dll
LangDLL.dll
System.dll
nsDialogs.dll
memory/1048-54-0x0000000075511000-0x0000000075513000-memory.dmp
memory/1984-62-0x00000000008E0000-0x000000000133D000-memory.dmp
memory/1984-77-0x00000000008E0000-0x000000000133D000-memory.dmp
memory/1984-72-0x00000000008E0000-0x000000000133D000-memory.dmp
memory/1984-81-0x00000000008E0000-0x000000000133D000-memory.dmp