agenttesla | fcf486671fcfd181aeeb5d964a0e5fce563be5b9a15168e8ee8ff11e2d6192fc

General

Target

BL-SHIPPING INVOICE DOCS.exe
Size

448KB
MD5

1443ecb318ff158823692945f04e0a14
SHA1

fba634c395ca7bf82496d04e5b45822611db65e5
SHA256

fa9744a9f8530dfe050f21fd9b85a9cabfcfefd30b5290355e3ea6b6c8136b6f
SHA512

ccc22d778f9369b3d38e9658216a1600602f951f7c437aaa6c1292f0bae7eb94dedbc3456cc0ce832a1f9f9ac2e11a58f8c459eb4a215d0b829ad6ae1da06aa5
SSDEEP

6144:aHERGpLRGW22gxFfF1UOVGuklso07Lnaorfxl+y3POaTtDy6JDDT5voaZ5CgZuU9:aHI2LHoF/LN5nysTTgmnaaZ5CgMiyIQ2

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bsia.co.in
Port:
587
Username:
yogesh@bsia.co.in
Password:
21mbsia@)@!Y

Signatures

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

AgentTesla payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2464-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2464-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2464-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2464-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2464-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2696-23-0x0000000000760000-0x00000000007A0000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

BL-SHIPPING INVOICE DOCS.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions BL-SHIPPING INVOICE DOCS.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

BL-SHIPPING INVOICE DOCS.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	BL-SHIPPING INVOICE DOCS.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:

BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	BL-SHIPPING INVOICE DOCS.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	BL-SHIPPING INVOICE DOCS.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL-SHIPPING INVOICE DOCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL-SHIPPING INVOICE DOCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL-SHIPPING INVOICE DOCS.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:

BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	BL-SHIPPING INVOICE DOCS.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	BL-SHIPPING INVOICE DOCS.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exe

description pid process target process

PID 384 set thread context of 2464 384 BL-SHIPPING INVOICE DOCS.exe BL-SHIPPING INVOICE DOCS.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exepowershell.exe

pid process

2464 BL-SHIPPING INVOICE DOCS.exe
2464 BL-SHIPPING INVOICE DOCS.exe
2696 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2464 BL-SHIPPING INVOICE DOCS.exe
Token: SeDebugPrivilege 2696 powershell.exe

description	pid	process	target process
PID 384 set thread context of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe

pid	process
2464	BL-SHIPPING INVOICE DOCS.exe
2464	BL-SHIPPING INVOICE DOCS.exe
2696	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2464	BL-SHIPPING INVOICE DOCS.exe
Token: SeDebugPrivilege	2696	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exe

description	pid	process	target process
PID 384 wrote to memory of 2696	384	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 384 wrote to memory of 2696	384	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 384 wrote to memory of 2696	384	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 384 wrote to memory of 2696	384	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 384 wrote to memory of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 384 wrote to memory of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 384 wrote to memory of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 384 wrote to memory of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 384 wrote to memory of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 384 wrote to memory of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 384 wrote to memory of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 384 wrote to memory of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 384 wrote to memory of 2464	384	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe

outlook_office_path 1 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL-SHIPPING INVOICE DOCS.exe

outlook_win_path 1 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL-SHIPPING INVOICE DOCS.exe

C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.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 use of WriteProcessMemory
PID:384

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696

C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2464

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/384-0-0x0000000000230000-0x00000000002A6000-memory.dmp

Filesize
472KB

Download
memory/384-1-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/384-2-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/384-3-0x0000000001D50000-0x0000000001D5E000-memory.dmp

Filesize
56KB

Download
memory/384-4-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/384-5-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/384-6-0x0000000004C40000-0x0000000004CA0000-memory.dmp

Filesize
384KB

Download
memory/384-21-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2464-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2464-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2464-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2464-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2464-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2464-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2464-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2464-32-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2464-31-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2464-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2464-24-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2464-30-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2464-29-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-26-0x0000000000760000-0x00000000007A0000-memory.dmp

Filesize
256KB

Download
memory/2696-28-0x000000006F5A0000-0x000000006FB4B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-27-0x0000000000760000-0x00000000007A0000-memory.dmp

Filesize
256KB

Download
memory/2696-25-0x000000006F5A0000-0x000000006FB4B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-22-0x000000006F5A0000-0x000000006FB4B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-23-0x0000000000760000-0x00000000007A0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads