agenttesla | f11cb17b9fabf7f07003b5ba779a28285369a13120dcfe25345d0e4eec7bbcca

General

Target

PO20201.exe
Size

1.6MB
MD5

144ef7cef25ba3310000ddb81ec5192c
SHA1

b1ab1c5509afb2fda7cf8de4df971ec24ae48e49
SHA256

ef198e1bc193d5b0e033b27059f10e3ae7a5b696f2157bda94d765cc353d6952
SHA512

343cbb325758832b4f7a683fe28aad451f790c450e1ec49e57ca3c71c57ae15b825b878ca2db923070fc8cfe7c97b8104da80eda2e5bcc732a83bd934f1d11fa

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.durainteriordesign.com
Port:
587
Username:
[email protected]
Password:
successman12

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1588-59-0x0000000000080000-0x00000000000D2000-memory.dmp	family_agenttesla
behavioral1/memory/1588-64-0x00000000000CCF1E-mapping.dmp	family_agenttesla
behavioral1/memory/1588-65-0x0000000000080000-0x00000000000D2000-memory.dmp	family_agenttesla
behavioral1/memory/1588-66-0x0000000000080000-0x00000000000D2000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

MSBuild.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts MSBuild.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	MSBuild.exe

Drops startup file 1 IoCs

Processes:

PO20201.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ssh-keygen.url	PO20201.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO20201.exe

description pid process target process

PID 1868 set thread context of 1588 1868 PO20201.exe MSBuild.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1608 REG.exe

description	pid	process	target process
PID 1868 set thread context of 1588	1868	PO20201.exe	MSBuild.exe

pid	process
1608	REG.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

MSBuild.exePO20201.exe

pid	process
1588	MSBuild.exe
1588	MSBuild.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1588 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

PO20201.exe

pid process

1868 PO20201.exe
1868 PO20201.exe
1868 PO20201.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

PO20201.exe

pid process

1868 PO20201.exe
1868 PO20201.exe
1868 PO20201.exe

description	pid	process
Token: SeDebugPrivilege	1588	MSBuild.exe

pid	process
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe

pid	process
1868	PO20201.exe
1868	PO20201.exe
1868	PO20201.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

PO20201.exeMSBuild.exe

description	pid	process	target process
PID 1868 wrote to memory of 1588	1868	PO20201.exe	MSBuild.exe
PID 1868 wrote to memory of 1588	1868	PO20201.exe	MSBuild.exe
PID 1868 wrote to memory of 1588	1868	PO20201.exe	MSBuild.exe
PID 1868 wrote to memory of 1588	1868	PO20201.exe	MSBuild.exe
PID 1868 wrote to memory of 1588	1868	PO20201.exe	MSBuild.exe
PID 1868 wrote to memory of 1588	1868	PO20201.exe	MSBuild.exe
PID 1588 wrote to memory of 1608	1588	MSBuild.exe	REG.exe
PID 1588 wrote to memory of 1608	1588	MSBuild.exe	REG.exe
PID 1588 wrote to memory of 1608	1588	MSBuild.exe	REG.exe
PID 1588 wrote to memory of 1608	1588	MSBuild.exe	REG.exe
PID 1588 wrote to memory of 1748	1588	MSBuild.exe	netsh.exe
PID 1588 wrote to memory of 1748	1588	MSBuild.exe	netsh.exe
PID 1588 wrote to memory of 1748	1588	MSBuild.exe	netsh.exe
PID 1588 wrote to memory of 1748	1588	MSBuild.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\PO20201.exe
"C:\Users\Admin\AppData\Local\Temp\PO20201.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1868

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
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1588

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:1608

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1748

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1588-57-0x0000000000080000-0x00000000000D2000-memory.dmp

Filesize
328KB

Download
memory/1588-59-0x0000000000080000-0x00000000000D2000-memory.dmp

Filesize
328KB

Download
memory/1588-64-0x00000000000CCF1E-mapping.dmp

Download
memory/1588-65-0x0000000000080000-0x00000000000D2000-memory.dmp

Filesize
328KB

Download
memory/1588-66-0x0000000000080000-0x00000000000D2000-memory.dmp

Filesize
328KB

Download
memory/1608-68-0x0000000000000000-mapping.dmp

Download
memory/1748-69-0x0000000000000000-mapping.dmp

Download
memory/1868-54-0x00000000759E1000-0x00000000759E3000-memory.dmp

Filesize
8KB

Download
memory/1868-55-0x0000000001050000-0x00000000010E8000-memory.dmp

Filesize
608KB

Download
memory/1868-56-0x0000000003C00000-0x0000000003C98000-memory.dmp

Filesize
608KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads