General
- Target Proforma invoice.exe
- Size 633KB
- Sample230216-pffrkshb21
- SHA256 71d07c6a2d2c936d68d34be26e8db95e47a616d30521f128feb2e79fbbaff469
- MD5 94fb2e111186c6516414d33763ff6085
- SHA1 5309a85cabe8359b7ce22f31f450b06f31e09bc6
- SHA512 2b99dd7b86a6de30e31c2161bbc96c2289d10bf7a66abc0c42deee2b46bdcf6285b5831571e13d9246805d09f54dad6800dc0f86775a80ff4a7fa7753805e915
- SSDEEP 12288:s+5E7M5sgeEg3ZHssFINDnpNOlAe/2wLI+Fe62tRk+Uloys9VSBY1lhz4cb:zuzssFINDnpNOlAe/2w0Ie6gkaTKY1ld
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
Proforma invoice.exe
Resource
win7-20221111-en
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
Proforma invoice.exe
Resource
win10v2004-20220901-en
16 signatures
150 seconds
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.ljmaintenancesvcs.com.sg
-
Port
587
-
Username
-
Password
Steven@12345
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.ljmaintenancesvcs.com.sg
-
Port
587
-
Username
-
Password
Steven@12345
-
Email to
Targets
-
- Target Proforma invoice.exe
- Size 633KB
- SHA256 71d07c6a2d2c936d68d34be26e8db95e47a616d30521f128feb2e79fbbaff469
- MD5 94fb2e111186c6516414d33763ff6085
- SHA1 5309a85cabe8359b7ce22f31f450b06f31e09bc6
- SHA512 2b99dd7b86a6de30e31c2161bbc96c2289d10bf7a66abc0c42deee2b46bdcf6285b5831571e13d9246805d09f54dad6800dc0f86775a80ff4a7fa7753805e915
- SSDEEP 12288:s+5E7M5sgeEg3ZHssFINDnpNOlAe/2wLI+Fe62tRk+Uloys9VSBY1lhz4cb:zuzssFINDnpNOlAe/2w0Ie6gkaTKY1ld
- MD5 SHA1 SHA512 SSDEEP
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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.
Suspicious use of SetThreadContext