Analysis
- max time kernel
128s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
11/05/2024, 01:24
General
- Target 5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe
- Size 2.7MB
- Sample240511-bsdabsfh92
- SHA256 5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.gencoldfire.com
-
Port
587
-
Username
-
Password
mh7B/7[hSO#bYHw1
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.gencoldfire.com
-
Port
587
-
Username
-
Password
mh7B/7[hSO#bYHw1
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect ZGRat V1 34 IoCs
- ZGRat
ZGRat is remote access trojan written in C#.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
- Detects executables packed with SmartAssembly 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe"C:\Users\Admin\AppData\Local\Temp\5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe"C:\Users\Admin\AppData\Local\Temp\5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3596,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe.log
memory/1164-4894-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/1164-4895-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1164-4897-0x0000000005300000-0x0000000005366000-memory.dmp
memory/1164-4898-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/1164-4902-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/1164-4901-0x0000000006B40000-0x0000000006B4A000-memory.dmp
memory/1164-4900-0x0000000006940000-0x00000000069DC000-memory.dmp
memory/1164-4899-0x0000000006850000-0x00000000068A0000-memory.dmp
memory/2848-54-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-50-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-6-0x0000000007C20000-0x0000000007CB2000-memory.dmp
memory/2848-16-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-18-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-14-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-12-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-42-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-48-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-70-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-68-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-66-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-64-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-62-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-60-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-58-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-56-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-4-0x0000000007950000-0x0000000007B82000-memory.dmp
memory/2848-46-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-44-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-40-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-38-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-52-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-5-0x0000000008130000-0x00000000086D4000-memory.dmp
memory/2848-36-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-34-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-32-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-30-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-28-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-26-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-24-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-22-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-20-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-10-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-8-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-7-0x0000000007950000-0x0000000007B7B000-memory.dmp
memory/2848-4887-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/2848-4889-0x00000000061F0000-0x000000000623C000-memory.dmp
memory/2848-3-0x00000000062C0000-0x000000000671C000-memory.dmp
memory/2848-2-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/2848-1-0x0000000000F20000-0x00000000011D4000-memory.dmp
memory/2848-0-0x000000007493E000-0x000000007493F000-memory.dmp
memory/2848-4888-0x0000000006180000-0x00000000061EC000-memory.dmp
memory/2848-4890-0x0000000006240000-0x0000000006294000-memory.dmp
memory/2848-4896-0x0000000074930000-0x00000000750E0000-memory.dmp