agenttesla | 81e1789668b9f1bf9ce61b8b106dd90a8d621c93fa49336f44948280fd1fc9fb

General

Target

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe
Size

1.3MB
MD5

6ac943b332528abd3402c0954145bf05
SHA1

8a17715627e7017d2b45c09f4c978917880e2876
SHA256

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed
SHA512

69fd5ffb81c100caab99b7b4e02de092666d4b591248ca6b604b3aedd9405c9a94d6167a9c22bddb82e036bd991ae0da4115fd9337604c6e8aac94a65a928fb7
SSDEEP

24576:pE6VLynkgY8Lsz9JfAH4sx+dV8Iz7wMFaael:pEVY8We4ZeGfel

Score

10^/10

agenttesla collection evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1952154144:AAEHUKomldKQIyjgq_MWw4YWiGcA_iwz6T4/sendDocument

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/1956-135-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

AddInProcess32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kmk = "C:\\Users\\Admin\\AppData\\Roaming\\kmk\\kmk.exe"	AddInProcess32.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

description	pid	process	target process
PID 4260 set thread context of 1956	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exeAddInProcess32.exe

pid	process
4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe
4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe
4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe
4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe
1956	AddInProcess32.exe
1956	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exeAddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe
Token: SeDebugPrivilege	1956	AddInProcess32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AddInProcess32.exe

pid process

1956 AddInProcess32.exe

pid	process
1956	AddInProcess32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe

description	pid	process	target process
PID 4260 wrote to memory of 2828	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	ngentask.exe
PID 4260 wrote to memory of 2828	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	ngentask.exe
PID 4260 wrote to memory of 2296	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess.exe
PID 4260 wrote to memory of 2296	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess.exe
PID 4260 wrote to memory of 1956	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess32.exe
PID 4260 wrote to memory of 1956	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess32.exe
PID 4260 wrote to memory of 1956	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess32.exe
PID 4260 wrote to memory of 1956	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess32.exe
PID 4260 wrote to memory of 1956	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess32.exe
PID 4260 wrote to memory of 1956	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess32.exe
PID 4260 wrote to memory of 1956	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess32.exe
PID 4260 wrote to memory of 1956	4260	bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe	AddInProcess32.exe

outlook_office_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe
"C:\Users\Admin\AppData\Local\Temp\bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4260

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe"
2⤵
PID:2828

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"
2⤵
PID:2296

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1956-135-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1956-137-0x0000000005F60000-0x0000000006504000-memory.dmp

Filesize
5.6MB

Download
memory/1956-138-0x0000000005A50000-0x0000000005AE2000-memory.dmp

Filesize
584KB

Download
memory/1956-139-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

Filesize
64KB

Download
memory/1956-140-0x0000000005AF0000-0x0000000005B8C000-memory.dmp

Filesize
624KB

Download
memory/1956-141-0x0000000006950000-0x00000000069B6000-memory.dmp

Filesize
408KB

Download
memory/1956-142-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

Filesize
64KB

Download
memory/1956-144-0x0000000001860000-0x00000000018B0000-memory.dmp

Filesize
320KB

Download
memory/1956-145-0x0000000001850000-0x000000000185A000-memory.dmp

Filesize
40KB

Download
memory/4260-133-0x000001D0BA3D0000-0x000001D0BA518000-memory.dmp

Filesize
1.3MB

Download
memory/4260-134-0x000001D0BC180000-0x000001D0BC190000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads