agenttesla | 9aa82d44fb9fa233ff4899bdf88def26b58ffece177f57714b41513c1dcd7ab1

General

Target
b8078fb7479720a083b824d0f538becd.exe
Size 1.4MB
Sample201109-val272hs6e
SHA256 9aa82d44fb9fa233ff4899bdf88def26b58ffece177f57714b41513c1dcd7ab1
MD5 b8078fb7479720a083b824d0f538becd
SHA1 fb38ee80c304f217589242fb3857be7a87c89f5d
SHA512 8a79ce233564f2ebb80ca5d2d8041546d217bb76365e3841e1e6f6fac8db1cb59f48e11fe1bba8ba0d3d7503d0863d90373b678066fbb032b0b5a819f9a7bcc7
MD5 SHA1 SHA512

Score

10^/10

agenttesla nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
335410

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

AgentTesla Payload 13 IoCs

resource	yara_rule
behavioral2/memory/1256-0-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/1256-1-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-10-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-11-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-12-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-14-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-15-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-13-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-16-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-17-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-18-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-19-0x000000000044C82E-mapping.dmp	family_agenttesla
behavioral2/memory/1256-20-0x000000000044C82E-mapping.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 4692 set thread context of 1256	4692	b8078fb7479720a083b824d0f538becd.exe	78

Program crash 1 IoCs

pid	pid_target	Process	procid_target
428	1256	WerFault.exe	78

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1256	MSBuild.exe
1256	MSBuild.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe
428	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1256	MSBuild.exe
Token: SeRestorePrivilege	428	WerFault.exe
Token: SeBackupPrivilege	428	WerFault.exe
Token: SeDebugPrivilege	428	WerFault.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4692	b8078fb7479720a083b824d0f538becd.exe
4692	b8078fb7479720a083b824d0f538becd.exe
4692	b8078fb7479720a083b824d0f538becd.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4692	b8078fb7479720a083b824d0f538becd.exe
4692	b8078fb7479720a083b824d0f538becd.exe
4692	b8078fb7479720a083b824d0f538becd.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 1256	4692	b8078fb7479720a083b824d0f538becd.exe	78
PID 4692 wrote to memory of 1256	4692	b8078fb7479720a083b824d0f538becd.exe	78
PID 4692 wrote to memory of 1256	4692	b8078fb7479720a083b824d0f538becd.exe	78
PID 4692 wrote to memory of 1256	4692	b8078fb7479720a083b824d0f538becd.exe	78
PID 4692 wrote to memory of 1256	4692	b8078fb7479720a083b824d0f538becd.exe	78

C:\Users\Admin\AppData\Local\Temp\b8078fb7479720a083b824d0f538becd.exe
"C:\Users\Admin\AppData\Local\Temp\b8078fb7479720a083b824d0f538becd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4692
- 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
  PID:1256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 1432
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:428

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/428-9-0x00000000046B0000-0x00000000046B1000-memory.dmp

Download

memory/428-21-0x0000000004F60000-0x0000000004F61000-memory.dmp

Download

memory/1256-5-0x00000000059F0000-0x00000000059F1000-memory.dmp

Download

memory/1256-6-0x0000000005380000-0x0000000005381000-memory.dmp

Download

memory/1256-7-0x0000000005360000-0x0000000005361000-memory.dmp

Download

memory/1256-8-0x0000000005EF0000-0x0000000005EF1000-memory.dmp

Download

memory/1256-2-0x00000000736E0000-0x0000000073DCE000-memory.dmp

Download

memory/1256-0-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/1256-3-0x0000000000400000-0x0000000000401000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads