agenttesla | 4c9b2ac9186158cddca77ae58b415445491079f3721b1126f2f7d30a32913e80

General

Target

GEA_5556789.exe
Size

1.4MB
MD5

f27fed1c7cb331f04fdcfecedc899c7d
SHA1

abeb646efcb893c29d5e26c01d3cc8b6013b6b22
SHA256

b4a49ab94a3bc704c6eb3394df82ebae6e04dd139a765db41db66e65457b0673
SHA512

795c78eb55cc65bfeaf880f2b7f34f929e272f434bdbe6760b3521e02eadf638ff6c8b94c5ee64230cc575edbc8d7293078d9e2d16f6f8056614f6adbea92208

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Wm^kN*!7

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/1968-57-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla
behavioral1/memory/1968-62-0x00000000000C69FE-mapping.dmp	family_agenttesla
behavioral1/memory/1968-63-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla
behavioral1/memory/1968-65-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla

Drops startup file 1 IoCs

Processes:

GEA_5556789.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OptionalFeatures.url	GEA_5556789.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

GEA_5556789.exe

description pid process target process

PID 1656 set thread context of 1968 1656 GEA_5556789.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

1968 MSBuild.exe
1968 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1968 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

GEA_5556789.exe

pid process

1656 GEA_5556789.exe
1656 GEA_5556789.exe
1656 GEA_5556789.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

GEA_5556789.exe

pid process

1656 GEA_5556789.exe
1656 GEA_5556789.exe
1656 GEA_5556789.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

1968 MSBuild.exe

description	pid	process	target process
PID 1656 set thread context of 1968	1656	GEA_5556789.exe	MSBuild.exe

pid	process
1968	MSBuild.exe
1968	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1968	MSBuild.exe

pid	process
1656	GEA_5556789.exe
1656	GEA_5556789.exe
1656	GEA_5556789.exe

pid	process
1656	GEA_5556789.exe
1656	GEA_5556789.exe
1656	GEA_5556789.exe

pid	process
1968	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

GEA_5556789.exe

description	pid	process	target process
PID 1656 wrote to memory of 1968	1656	GEA_5556789.exe	MSBuild.exe
PID 1656 wrote to memory of 1968	1656	GEA_5556789.exe	MSBuild.exe
PID 1656 wrote to memory of 1968	1656	GEA_5556789.exe	MSBuild.exe
PID 1656 wrote to memory of 1968	1656	GEA_5556789.exe	MSBuild.exe
PID 1656 wrote to memory of 1968	1656	GEA_5556789.exe	MSBuild.exe
PID 1656 wrote to memory of 1968	1656	GEA_5556789.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\GEA_5556789.exe
"C:\Users\Admin\AppData\Local\Temp\GEA_5556789.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1968

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1656-54-0x00000000765C1000-0x00000000765C3000-memory.dmp

Filesize
8KB

Download
memory/1656-64-0x0000000000220000-0x00000000002AB000-memory.dmp

Filesize
556KB

Download
memory/1656-66-0x0000000002E40000-0x0000000002ECB000-memory.dmp

Filesize
556KB

Download
memory/1968-55-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1968-57-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1968-62-0x00000000000C69FE-mapping.dmp

Download
memory/1968-63-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1968-65-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1968-68-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads