Analysis
- max time kernel
120s - max time network
120s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
01/01/2022, 23:01
Static task
static1
Behavioral task
behavioral1
Sample
ff65678185a258e7673550fb7e84260f.exe
Resource
win7-en-20211208
0 signatures
0 seconds
General
- Target ff65678185a258e7673550fb7e84260f.exe
- Size 713KB
- Sample220101-2zjc2agdgp
- SHA256 8531f21496d70ac1be7776820ceaae3dd210d71b8a91d61c2e8b37f7daadcc48
- MD5 ff65678185a258e7673550fb7e84260f
- SHA1 0105eb6a09e826a3eadf1a84a5dfd7907972223d
- SHA512 3b8542f4f1a21e5a3af250b8f437f89a49c37225cfa25fd7d8fa4a7593517699c08a1e6608334ad42442bfb343d3b690ac28fc0a1056eb7f48f91f058db6ce13
- MD5 SHA1 SHA512
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
pid Process 788 neofim.exe - Loads dropped DLL 2 IoCs
pid Process 1884 ff65678185a258e7673550fb7e84260f.exe 1884 ff65678185a258e7673550fb7e84260f.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.
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ff65678185a258e7673550fb7e84260f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ff65678185a258e7673550fb7e84260f.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 788 neofim.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 788 neofim.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1884 wrote to memory of 788 1884 ff65678185a258e7673550fb7e84260f.exe 29 PID 1884 wrote to memory of 788 1884 ff65678185a258e7673550fb7e84260f.exe 29 PID 1884 wrote to memory of 788 1884 ff65678185a258e7673550fb7e84260f.exe 29 PID 1884 wrote to memory of 788 1884 ff65678185a258e7673550fb7e84260f.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\ff65678185a258e7673550fb7e84260f.exe"C:\Users\Admin\AppData\Local\Temp\ff65678185a258e7673550fb7e84260f.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Roaming\Green\neofim.exeneofim.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:788
-