Analysis
- max time kernel
27s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
10/02/2021, 07:38
General
- Target ab9ec3d34b6fe6aef0a1261966e9a877.exe
- Size 634KB
- Sample210210-vymqjzjsda
- SHA256 eb7daf5779270983a6593b9d58fdad20fd18100b1301ce0a03cc5d1b98bd333b
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ab9ec3d34b6fe6aef0a1261966e9a877.exe"C:\Users\Admin\AppData\Local\Temp\ab9ec3d34b6fe6aef0a1261966e9a877.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\paperships\noabu.exenoabu.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/192-15-0x0000000005250000-0x0000000005251000-memory.dmp
memory/192-27-0x0000000006B70000-0x0000000006B71000-memory.dmp
memory/192-31-0x0000000007C80000-0x0000000007C81000-memory.dmp
memory/192-30-0x0000000007450000-0x0000000007451000-memory.dmp
memory/192-18-0x0000000002A40000-0x0000000002A6A000-memory.dmp
memory/192-9-0x00000000027A0000-0x00000000027A1000-memory.dmp
memory/192-11-0x00000000009C0000-0x00000000009F6000-memory.dmp
memory/192-12-0x0000000000400000-0x0000000000439000-memory.dmp
memory/192-10-0x0000000072580000-0x0000000072C6E000-memory.dmp
memory/192-13-0x0000000000B90000-0x0000000000BBC000-memory.dmp
memory/192-14-0x0000000005260000-0x0000000005261000-memory.dmp
memory/192-16-0x0000000005252000-0x0000000005253000-memory.dmp
memory/192-29-0x00000000073A0000-0x00000000073A1000-memory.dmp
memory/192-8-0x0000000000CC0000-0x0000000000CC1000-memory.dmp
memory/192-19-0x0000000002D10000-0x0000000002D11000-memory.dmp
memory/192-20-0x0000000002BA0000-0x0000000002BA1000-memory.dmp
memory/192-21-0x0000000005760000-0x0000000005761000-memory.dmp
memory/192-22-0x0000000005180000-0x0000000005181000-memory.dmp
memory/192-23-0x00000000051A0000-0x00000000051A1000-memory.dmp
memory/192-24-0x0000000005254000-0x0000000005256000-memory.dmp
memory/192-25-0x0000000005E70000-0x0000000005E71000-memory.dmp
memory/192-26-0x0000000005FB0000-0x0000000005FB1000-memory.dmp
memory/192-17-0x0000000005253000-0x0000000005254000-memory.dmp
memory/192-28-0x0000000006D60000-0x0000000006D61000-memory.dmp
memory/1048-2-0x0000000003480000-0x0000000003481000-memory.dmp
memory/1048-3-0x0000000003190000-0x000000000325F000-memory.dmp
memory/1048-4-0x0000000000400000-0x00000000004D5000-memory.dmp