Analysis
- max time kernel
146s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240319-en - resource tags
- submitted
20/03/2024, 11:13
General
- Target BANK DETAILS___jpeg.exe
- Size 649KB
- Sample240320-nbd7hsfc64
- SHA256 0a2d5142d03f0dd333f371e089c5f0d5fe8c3169e4ee78d7ca23b1472b2f7b48
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.w5host.com
-
Port
587
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Username
-
Password
2M3t5MH8Wwfp
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.w5host.com
-
Port
587
-
Username
-
Password
2M3t5MH8Wwfp
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RkYVIXPGgPVOP.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RkYVIXPGgPVOP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF28E.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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 --mojo-platform-channel-handle=3632 --field-trial-handle=2268,i,4334050275411101233,11484630688883830558,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
BANK DETAILS___jpeg.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_wq5ukluh.5zl.ps1
tmpF28E.tmp
memory/908-84-0x0000000007580000-0x0000000007616000-memory.dmp
memory/908-53-0x0000000006030000-0x000000000607C000-memory.dmp
memory/908-56-0x000000007F4B0000-0x000000007F4C0000-memory.dmp
memory/908-80-0x0000000007000000-0x00000000070A3000-memory.dmp
memory/908-70-0x0000000071560000-0x00000000715AC000-memory.dmp
memory/908-57-0x00000000065C0000-0x00000000065F2000-memory.dmp
memory/908-55-0x0000000004C40000-0x0000000004C50000-memory.dmp
memory/908-81-0x0000000007940000-0x0000000007FBA000-memory.dmp
memory/908-86-0x0000000007530000-0x000000000753E000-memory.dmp
memory/908-94-0x0000000074DF0000-0x00000000755A0000-memory.dmp
memory/908-25-0x00000000050C0000-0x0000000005126000-memory.dmp
memory/908-18-0x0000000004C40000-0x0000000004C50000-memory.dmp
memory/908-19-0x0000000004C40000-0x0000000004C50000-memory.dmp
memory/908-24-0x0000000005020000-0x0000000005042000-memory.dmp
memory/908-22-0x0000000074DF0000-0x00000000755A0000-memory.dmp
memory/1600-82-0x0000000007170000-0x000000000718A000-memory.dmp
memory/1600-87-0x00000000073B0000-0x00000000073C4000-memory.dmp
memory/1600-26-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/1600-20-0x0000000004A90000-0x0000000004AA0000-memory.dmp
memory/1600-17-0x00000000050D0000-0x00000000056F8000-memory.dmp
memory/1600-41-0x0000000005850000-0x0000000005BA4000-memory.dmp
memory/1600-93-0x0000000074DF0000-0x00000000755A0000-memory.dmp
memory/1600-16-0x0000000074DF0000-0x00000000755A0000-memory.dmp
memory/1600-89-0x0000000007490000-0x0000000007498000-memory.dmp
memory/1600-88-0x00000000074B0000-0x00000000074CA000-memory.dmp
memory/1600-21-0x0000000004A90000-0x0000000004AA0000-memory.dmp
memory/1600-52-0x0000000005E40000-0x0000000005E5E000-memory.dmp
memory/1600-15-0x0000000002540000-0x0000000002576000-memory.dmp
memory/1600-54-0x0000000004A90000-0x0000000004AA0000-memory.dmp
memory/1600-85-0x0000000007370000-0x0000000007381000-memory.dmp
memory/1600-58-0x0000000071560000-0x00000000715AC000-memory.dmp
memory/1600-83-0x00000000071E0000-0x00000000071EA000-memory.dmp
memory/1600-59-0x000000007F8B0000-0x000000007F8C0000-memory.dmp
memory/1600-69-0x0000000006380000-0x000000000639E000-memory.dmp
memory/3320-51-0x00000000056A0000-0x00000000056B0000-memory.dmp
memory/3320-97-0x00000000056A0000-0x00000000056B0000-memory.dmp
memory/3320-96-0x0000000074DF0000-0x00000000755A0000-memory.dmp
memory/3320-95-0x0000000006C80000-0x0000000006CD0000-memory.dmp
memory/3320-42-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3320-50-0x0000000074DF0000-0x00000000755A0000-memory.dmp
memory/5004-3-0x0000000005780000-0x0000000005812000-memory.dmp
memory/5004-10-0x0000000006F30000-0x0000000006FB2000-memory.dmp
memory/5004-8-0x0000000005D90000-0x0000000005D98000-memory.dmp
memory/5004-4-0x00000000059B0000-0x00000000059C0000-memory.dmp
memory/5004-9-0x0000000005DC0000-0x0000000005DCC000-memory.dmp
memory/5004-49-0x0000000074DF0000-0x00000000755A0000-memory.dmp
memory/5004-2-0x0000000005E10000-0x00000000063B4000-memory.dmp
memory/5004-0-0x0000000000D40000-0x0000000000DE8000-memory.dmp
memory/5004-1-0x0000000074DF0000-0x00000000755A0000-memory.dmp
memory/5004-5-0x0000000005840000-0x000000000584A000-memory.dmp
memory/5004-6-0x0000000005A60000-0x0000000005AFC000-memory.dmp
memory/5004-7-0x0000000005C40000-0x0000000005C56000-memory.dmp