Analysis
- max time kernel
119s - max time network
121s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
01/01/2022, 22:53
General
- Target 61580ab870985a0f2d74da4bda82c0a2.exe
- Size 713KB
- Sample220101-2tywjagdgn
- SHA256 2c49fcbd5eda5275d8d2ef98ee7e0c63d978b6d904e3e750ea9d01e52fe16ce9
Malware Config
Signatures
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\61580ab870985a0f2d74da4bda82c0a2.exe"C:\Users\Admin\AppData\Local\Temp\61580ab870985a0f2d74da4bda82c0a2.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Green\neofit.exeneofit.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/396-62-0x0000000000308000-0x0000000000334000-memory.dmp
memory/396-67-0x0000000004952000-0x0000000004953000-memory.dmp
memory/396-70-0x0000000004954000-0x0000000004956000-memory.dmp
memory/396-69-0x0000000004953000-0x0000000004954000-memory.dmp
memory/396-68-0x0000000002030000-0x0000000002062000-memory.dmp
memory/396-64-0x0000000000400000-0x0000000000485000-memory.dmp
memory/396-63-0x00000000001B0000-0x00000000001E9000-memory.dmp
memory/396-65-0x0000000001FA0000-0x0000000001FD4000-memory.dmp
memory/396-66-0x0000000004951000-0x0000000004952000-memory.dmp
memory/1576-56-0x0000000000230000-0x00000000002FE000-memory.dmp
memory/1576-54-0x0000000000698000-0x0000000000704000-memory.dmp
memory/1576-55-0x0000000076141000-0x0000000076143000-memory.dmp
memory/1576-57-0x0000000000400000-0x00000000004D4000-memory.dmp