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