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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3540-133-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion

Drops file in Drivers directory 2 IoCs

Processes:

MSBuild.exeMSBuild.exe

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

collection

Email Collection

T1114

Processes:

MSBuild.exeMSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

PO20201.exe

description	pid	process	target process
PID 2272 set thread context of 3540	2272	PO20201.exe	MSBuild.exe
PID 2272 set thread context of 744	2272	PO20201.exe	MSBuild.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3852 3540 WerFault.exe MSBuild.exe
792 744 WerFault.exe MSBuild.exe
Modifies registry key 1 TTPs 2 IoCs

Modify Registry
T1112

Processes:

REG.exeREG.exe

pid process

1680 REG.exe
4084 REG.exe

pid	pid_target	process	target process
3852	3540	WerFault.exe	MSBuild.exe
792	744	WerFault.exe	MSBuild.exe

pid	process
1680	REG.exe
4084	REG.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

MSBuild.exePO20201.exeMSBuild.exe

pid	process
3540	MSBuild.exe
3540	MSBuild.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
744	MSBuild.exe
744	MSBuild.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MSBuild.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 3540 MSBuild.exe
Token: SeDebugPrivilege 744 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

PO20201.exe

pid process

2272 PO20201.exe
2272 PO20201.exe
2272 PO20201.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

PO20201.exe

pid process

2272 PO20201.exe
2272 PO20201.exe
2272 PO20201.exe

description	pid	process
Token: SeDebugPrivilege	3540	MSBuild.exe
Token: SeDebugPrivilege	744	MSBuild.exe

pid	process
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe

pid	process
2272	PO20201.exe
2272	PO20201.exe
2272	PO20201.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

PO20201.exeMSBuild.exeMSBuild.exe

description	pid	process	target process
PID 2272 wrote to memory of 3540	2272	PO20201.exe	MSBuild.exe
PID 2272 wrote to memory of 3540	2272	PO20201.exe	MSBuild.exe
PID 2272 wrote to memory of 3540	2272	PO20201.exe	MSBuild.exe
PID 2272 wrote to memory of 3540	2272	PO20201.exe	MSBuild.exe
PID 2272 wrote to memory of 3540	2272	PO20201.exe	MSBuild.exe
PID 3540 wrote to memory of 1680	3540	MSBuild.exe	REG.exe
PID 3540 wrote to memory of 1680	3540	MSBuild.exe	REG.exe
PID 3540 wrote to memory of 1680	3540	MSBuild.exe	REG.exe
PID 3540 wrote to memory of 3932	3540	MSBuild.exe	netsh.exe
PID 3540 wrote to memory of 3932	3540	MSBuild.exe	netsh.exe
PID 3540 wrote to memory of 3932	3540	MSBuild.exe	netsh.exe
PID 2272 wrote to memory of 744	2272	PO20201.exe	MSBuild.exe
PID 2272 wrote to memory of 744	2272	PO20201.exe	MSBuild.exe
PID 2272 wrote to memory of 744	2272	PO20201.exe	MSBuild.exe
PID 2272 wrote to memory of 744	2272	PO20201.exe	MSBuild.exe
PID 2272 wrote to memory of 744	2272	PO20201.exe	MSBuild.exe
PID 744 wrote to memory of 4084	744	MSBuild.exe	REG.exe
PID 744 wrote to memory of 4084	744	MSBuild.exe	REG.exe
PID 744 wrote to memory of 4084	744	MSBuild.exe	REG.exe
PID 744 wrote to memory of 3268	744	MSBuild.exe	netsh.exe
PID 744 wrote to memory of 3268	744	MSBuild.exe	netsh.exe
PID 744 wrote to memory of 3268	744	MSBuild.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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:2272

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
PID:3540

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:1680

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1504
3⤵
- Program crash
PID:3852

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:744

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:4084

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:3268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 1492
3⤵
- Program crash
PID:792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3540 -ip 3540
1⤵
PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 744 -ip 744
1⤵
PID:2300

Network

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

C:\Windows\system32\drivers\etc\hosts
Filesize
846B

MD5
5b2d17233558878a82ee464d04f58b59

SHA1
47ebffcad0b4c358df0d6a06ef335cb6aab0ab20

SHA256
5b036588bb4cad3de01dd04988af705da135d9f394755080cf9941444c09a542

SHA512
d2aec9779eb8803514213a8e396b2f7c0b4a6f57de1ee84e9db0343ee5ff093e26bb70e0737a6681e21e88898ef5139969ff0b4b700cb6727979bd898fdbc85b

Download Submit
memory/744-145-0x0000000000000000-mapping.dmp

Download
memory/1680-142-0x0000000000000000-mapping.dmp

Download
memory/2272-130-0x0000000003830000-0x00000000038C8000-memory.dmp

Filesize
608KB

Download
memory/2272-131-0x0000000004C90000-0x0000000004D28000-memory.dmp

Filesize
608KB

Download
memory/3268-153-0x0000000000000000-mapping.dmp

Download
memory/3540-140-0x0000000005B90000-0x0000000005C2C000-memory.dmp

Filesize
624KB

Download
memory/3540-141-0x00000000068A0000-0x0000000006906000-memory.dmp

Filesize
408KB

Download
memory/3540-139-0x00000000059D0000-0x0000000005A62000-memory.dmp

Filesize
584KB

Download
memory/3540-144-0x00000000016B0000-0x0000000001700000-memory.dmp

Filesize
320KB

Download
memory/3540-138-0x0000000006140000-0x00000000066E4000-memory.dmp

Filesize
5.6MB

Download
memory/3540-133-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3540-132-0x0000000000000000-mapping.dmp

Download
memory/3932-143-0x0000000000000000-mapping.dmp

Download
memory/4084-152-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads