Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
05/11/2023, 08:20
General
- Target NEAS.bb9221a72aa19a7f3ec8250e6492a0e0.exe
- Size 1.7MB
- Sample231105-j8fdmadb3s
- SHA256 0ca6bd743958b02f16ce2131d1bc7e2cb3e9342de928fea196b77dccb7c04849
Malware Config
Signatures
- Malware Backdoor - Berbew 1 IoCs
Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner payload 7 IoCs
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\NEAS.bb9221a72aa19a7f3ec8250e6492a0e0.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.bb9221a72aa19a7f3ec8250e6492a0e0.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\NEAS.bb9221a72aa19a7f3ec8250e6492a0e0.exeC:\Users\Admin\AppData\Local\Temp\NEAS.bb9221a72aa19a7f3ec8250e6492a0e0.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
NEAS.bb9221a72aa19a7f3ec8250e6492a0e0.exe
memory/2020-14-0x0000000000400000-0x0000000000A7A000-memory.dmp
memory/2020-16-0x0000000021E60000-0x0000000021FFE000-memory.dmp
memory/2020-22-0x0000000000400000-0x0000000000582000-memory.dmp
memory/2020-23-0x0000000025840000-0x00000000259D3000-memory.dmp
memory/2020-28-0x0000000000400000-0x000000000057C000-memory.dmp
memory/2020-29-0x0000000025B60000-0x0000000025CE2000-memory.dmp
memory/2020-38-0x0000000000400000-0x0000000000A7A000-memory.dmp
memory/3056-0-0x0000000000400000-0x0000000000A7A000-memory.dmp
memory/3056-1-0x0000000021DD0000-0x0000000021F6E000-memory.dmp
memory/3056-2-0x0000000000400000-0x0000000000593000-memory.dmp
memory/3056-13-0x0000000000400000-0x0000000000593000-memory.dmp