Analysis
- max time kernel
68s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:47
General
- Target URGENT TENDER#675320 (covid19 kits).exe
- Size 415KB
- Sample201109-m3jg5jcsss
- SHA256 2841a78e3acf75956e7ed6ebb99cac1a3e349cdca5e9113381a997c5e1ecef47
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.chinagrill.co
-
Port
587
-
Username
-
Password
SnIVrXH!]f1q
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
- AgentTesla Payload 2 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\URGENT TENDER#675320 (covid19 kits).exe"C:\Users\Admin\AppData\Local\Temp\URGENT TENDER#675320 (covid19 kits).exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1048-0-0x0000000073BE0000-0x00000000742CE000-memory.dmp
memory/1048-1-0x0000000000DF0000-0x0000000000DF1000-memory.dmp
memory/1048-3-0x0000000005C20000-0x0000000005C21000-memory.dmp
memory/1048-4-0x0000000005720000-0x0000000005721000-memory.dmp
memory/1048-5-0x0000000005690000-0x0000000005691000-memory.dmp
memory/1048-6-0x0000000008AF0000-0x0000000008AF3000-memory.dmp
memory/1048-7-0x0000000008DD0000-0x0000000008E22000-memory.dmp
memory/1048-8-0x0000000008EE0000-0x0000000008EE1000-memory.dmp
memory/2600-9-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2600-11-0x0000000073BE0000-0x00000000742CE000-memory.dmp
memory/2600-16-0x00000000056F0000-0x00000000056F1000-memory.dmp
memory/2600-17-0x00000000062C0000-0x00000000062C1000-memory.dmp