General
- Target Proforma invoice from DPC 20230827 (CNY).xls.exe
- Size 698KB
- Sample230927-glwe8agc6x
- SHA256 ec35b0c10000f1cfcf5e667c474e1ab439dd9ef1f62a4732eae437b4c968a1cf
- MD5 3c583856df2ed844228cd21834f55e27
- SHA1 c1e5f6900b79b8c207b1ac50c45548fc8ffafa0b
- SHA512 70183c8adac8581b17bcfcbea44e7e3f5bddb00210e327b6f35e9497d70da911b4405b09c86143089ed635c8c1db3640474f04377b351d5401dba6a1261e0eb0
- SSDEEP 12288:AxSqvBt3s3ni9gXxuTap7qYBlM/A39ThK2TcWwjm:TQc3iiXUC+Y6A3d
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
Proforma invoice from DPC 20230827 (CNY).xls.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Proforma invoice from DPC 20230827 (CNY).xls.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.frontierfulfillment.com.my
-
Port
587
-
Username
-
Password
5_8B6kjVm
-
Email to
Targets
-
- Target Proforma invoice from DPC 20230827 (CNY).xls.exe
- Size 698KB
- SHA256 ec35b0c10000f1cfcf5e667c474e1ab439dd9ef1f62a4732eae437b4c968a1cf
- MD5 3c583856df2ed844228cd21834f55e27
- SHA1 c1e5f6900b79b8c207b1ac50c45548fc8ffafa0b
- SHA512 70183c8adac8581b17bcfcbea44e7e3f5bddb00210e327b6f35e9497d70da911b4405b09c86143089ed635c8c1db3640474f04377b351d5401dba6a1261e0eb0
- SSDEEP 12288:AxSqvBt3s3ni9gXxuTap7qYBlM/A39ThK2TcWwjm:TQc3iiXUC+Y6A3d
- MD5 SHA1 SHA512 SSDEEP
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Looks for VirtualBox Guest Additions in registry
-
Looks for VMWare Tools registry key
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Accesses Microsoft Outlook profiles
-
Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
-
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1