Analysis
- max time kernel
143s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
31/01/2024, 11:06
General
- Target Order list_02-2024 pdf.exe
- Size 694KB
- Sample240131-m7fjsaagb2
- SHA256 654f5bbab8f033ee0145ab0061a66d7e1913bcb73d2d48cbf73f3c22d40f2f9d
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.coperwire.com
-
Port
587
-
Username
-
Password
H,)c,gn[z3QW
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.coperwire.com
-
Port
587
-
Username
-
Password
H,)c,gn[z3QW
-
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 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 3 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Order list_02-2024 pdf.exe"C:\Users\Admin\AppData\Local\Temp\Order list_02-2024 pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LKJRFEGnWnPu.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LKJRFEGnWnPu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC96A.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Order list_02-2024 pdf.exe"C:\Users\Admin\AppData\Local\Temp\Order list_02-2024 pdf.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_ebezmizx.skq.ps1
tmpC96A.tmp
memory/1420-6-0x0000000005370000-0x000000000540C000-memory.dmp
memory/1420-3-0x0000000005070000-0x0000000005102000-memory.dmp
memory/1420-4-0x0000000005270000-0x0000000005280000-memory.dmp
memory/1420-5-0x0000000005130000-0x000000000513A000-memory.dmp
memory/1420-2-0x0000000005540000-0x0000000005AE4000-memory.dmp
memory/1420-7-0x0000000005210000-0x000000000522C000-memory.dmp
memory/1420-8-0x0000000005240000-0x0000000005254000-memory.dmp
memory/1420-9-0x0000000007E60000-0x0000000007EE4000-memory.dmp
memory/1420-0-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/1420-15-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/1420-1-0x0000000000620000-0x00000000006D2000-memory.dmp
memory/1420-25-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/1420-18-0x0000000005270000-0x0000000005280000-memory.dmp
memory/4444-55-0x0000000007230000-0x00000000072D3000-memory.dmp
memory/4444-42-0x000000007F510000-0x000000007F520000-memory.dmp
memory/4444-68-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/4444-22-0x0000000004ED0000-0x0000000004EF2000-memory.dmp
memory/4444-65-0x0000000007660000-0x0000000007668000-memory.dmp
memory/4444-64-0x0000000007680000-0x000000000769A000-memory.dmp
memory/4444-16-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/4444-63-0x0000000007580000-0x0000000007594000-memory.dmp
memory/4444-27-0x00000000058B0000-0x0000000005916000-memory.dmp
memory/4444-17-0x0000000004AD0000-0x0000000004AE0000-memory.dmp
memory/4444-38-0x0000000005A00000-0x0000000005D54000-memory.dmp
memory/4444-39-0x0000000006030000-0x000000000604E000-memory.dmp
memory/4444-40-0x00000000060E0000-0x000000000612C000-memory.dmp
memory/4444-41-0x0000000004AD0000-0x0000000004AE0000-memory.dmp
memory/4444-43-0x0000000006600000-0x0000000006632000-memory.dmp
memory/4444-19-0x0000000005110000-0x0000000005738000-memory.dmp
memory/4444-54-0x00000000065E0000-0x00000000065FE000-memory.dmp
memory/4444-44-0x0000000070E30000-0x0000000070E7C000-memory.dmp
memory/4444-14-0x00000000049C0000-0x00000000049F6000-memory.dmp
memory/4444-57-0x0000000007340000-0x000000000735A000-memory.dmp
memory/4444-56-0x0000000007980000-0x0000000007FFA000-memory.dmp
memory/4444-58-0x00000000073B0000-0x00000000073BA000-memory.dmp
memory/4444-59-0x00000000075C0000-0x0000000007656000-memory.dmp
memory/4444-60-0x0000000007540000-0x0000000007551000-memory.dmp
memory/4444-62-0x0000000007570000-0x000000000757E000-memory.dmp
memory/4552-28-0x00000000054E0000-0x0000000005546000-memory.dmp
memory/4552-26-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/4552-24-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/4552-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4552-69-0x0000000006C00000-0x0000000006C50000-memory.dmp
memory/4552-70-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/4552-71-0x0000000005390000-0x00000000053A0000-memory.dmp