Analysis
- max time kernel
150s - max time network
134s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
29/09/2021, 09:49
Static task
static1
Behavioral task
behavioral1
Sample
DHL-Waybill.PDF.exe
Resource
win7-en-20210920
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
DHL-Waybill.PDF.exe
Resource
win10-en-20210920
0 signatures
0 seconds
General
- Target DHL-Waybill.PDF.exe
- Size 692KB
- Sample210929-ltc13aeefl
- SHA256 96a994c8a1cd85aa5779b46052ad94a4fb72fbe8451ee8a8e6ae8be49a2bc458
- MD5 3bcb68d06bbe199d7d903bd9bf7f9f63
- SHA1 a74db066215fdb01756ccf7befb4db0929fb2efb
- SHA512 c0138ce5cc075cdc2980b42cd9953b9e541830d4bebd3fbfde91e3ebd32b754b7521a09bb7c04c8ac9befc5c0ed2b9350c8be6bccf35698ff8a72ad2b9179e2f
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.germantwinscrews-de.com
-
Port
587
-
Username
-
Password
JDG3v8mw
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral1/memory/752-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/752-62-0x000000000043779E-mapping.dmp family_agenttesla behavioral1/memory/752-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts MSBuild.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1544 set thread context of 752 1544 DHL-Waybill.PDF.exe 27 - Program crash 1 IoCs
pid pid_target Process procid_target 1928 752 WerFault.exe 27 - Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 752 MSBuild.exe 752 MSBuild.exe 1928 WerFault.exe 1928 WerFault.exe 1928 WerFault.exe 1928 WerFault.exe 1928 WerFault.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 752 MSBuild.exe Token: SeDebugPrivilege 1928 WerFault.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1544 wrote to memory of 752 1544 DHL-Waybill.PDF.exe 27 PID 1544 wrote to memory of 752 1544 DHL-Waybill.PDF.exe 27 PID 1544 wrote to memory of 752 1544 DHL-Waybill.PDF.exe 27 PID 1544 wrote to memory of 752 1544 DHL-Waybill.PDF.exe 27 PID 1544 wrote to memory of 752 1544 DHL-Waybill.PDF.exe 27 PID 1544 wrote to memory of 752 1544 DHL-Waybill.PDF.exe 27 PID 1544 wrote to memory of 752 1544 DHL-Waybill.PDF.exe 27 PID 1544 wrote to memory of 752 1544 DHL-Waybill.PDF.exe 27 PID 1544 wrote to memory of 752 1544 DHL-Waybill.PDF.exe 27 PID 752 wrote to memory of 1928 752 MSBuild.exe 31 PID 752 wrote to memory of 1928 752 MSBuild.exe 31 PID 752 wrote to memory of 1928 752 MSBuild.exe 31 PID 752 wrote to memory of 1928 752 MSBuild.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL-Waybill.PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL-Waybill.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1544 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:752 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 10603⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1928
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