agenttesla | 4afaf7828c6fd5370e554ae2ccea42b7bdab6d663812e54e9681150b2db80ecf

General

Target

Bankslip.exe
Size

372KB
MD5

4cd93d505a8c15738438996d83afaf8d
SHA1

08e04c971622d0d9fa405d6910374a86afd86913
SHA256

cdd39fbc8f042dd91a5131240a9f201eb0158de4e810877c03efe7c82ef0ace6
SHA512

f9a928dafb7c4d2fdd2c8657eb55fa553f23d83a32063b2d4f9e051ed78c3e2f971e3a123c4dbc820c387d020298ab669ec58156bc83dfe4b40a43e758aa5ec9
SSDEEP

6144:FEqb7jbHu3YVB8sRAAekeoKRWRsUn0YcYtbzg5OwPWmIRdmGXXtmximUp3wTA2Fo:FESYYcKxKTUPlbzgs7ttfgTp62Ly2SB

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:
[email protected]
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/2456-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2456-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2456-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2456-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2456-26-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2456-29-0x0000000002000000-0x0000000002040000-memory.dmp	family_agenttesla

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Bankslip.exe

description ioc process

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Bankslip.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools Bankslip.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	Bankslip.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	Bankslip.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:

Bankslip.exe

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

Bankslip.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bankslip.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bankslip.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bankslip.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:

Bankslip.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Bankslip.exe

description pid process target process

PID 1772 set thread context of 2456 1772 Bankslip.exe Bankslip.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:

Bankslip.exepowershell.exe

pid process

2456 Bankslip.exe
2456 Bankslip.exe
2776 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Bankslip.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2456 Bankslip.exe
Token: SeDebugPrivilege 2776 powershell.exe

description	pid	process	target process
PID 1772 set thread context of 2456	1772	Bankslip.exe	Bankslip.exe

pid	process
2456	Bankslip.exe
2456	Bankslip.exe
2776	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2456	Bankslip.exe
Token: SeDebugPrivilege	2776	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Bankslip.exe

description	pid	process	target process
PID 1772 wrote to memory of 2776	1772	Bankslip.exe	powershell.exe
PID 1772 wrote to memory of 2776	1772	Bankslip.exe	powershell.exe
PID 1772 wrote to memory of 2776	1772	Bankslip.exe	powershell.exe
PID 1772 wrote to memory of 2776	1772	Bankslip.exe	powershell.exe
PID 1772 wrote to memory of 2456	1772	Bankslip.exe	Bankslip.exe
PID 1772 wrote to memory of 2456	1772	Bankslip.exe	Bankslip.exe
PID 1772 wrote to memory of 2456	1772	Bankslip.exe	Bankslip.exe
PID 1772 wrote to memory of 2456	1772	Bankslip.exe	Bankslip.exe
PID 1772 wrote to memory of 2456	1772	Bankslip.exe	Bankslip.exe
PID 1772 wrote to memory of 2456	1772	Bankslip.exe	Bankslip.exe
PID 1772 wrote to memory of 2456	1772	Bankslip.exe	Bankslip.exe
PID 1772 wrote to memory of 2456	1772	Bankslip.exe	Bankslip.exe
PID 1772 wrote to memory of 2456	1772	Bankslip.exe	Bankslip.exe

outlook_office_path 1 IoCs

Processes:

Bankslip.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bankslip.exe

outlook_win_path 1 IoCs

Processes:

Bankslip.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bankslip.exe

C:\Users\Admin\AppData\Local\Temp\Bankslip.exe
"C:\Users\Admin\AppData\Local\Temp\Bankslip.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:1772

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\Bankslip.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2776

C:\Users\Admin\AppData\Local\Temp\Bankslip.exe
"C:\Users\Admin\AppData\Local\Temp\Bankslip.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2456

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/1772-0-0x00000000001C0000-0x0000000000224000-memory.dmp

Filesize
400KB

Download
memory/1772-1-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/1772-2-0x0000000004610000-0x0000000004650000-memory.dmp

Filesize
256KB

Download
memory/1772-3-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/1772-4-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/1772-5-0x0000000004610000-0x0000000004650000-memory.dmp

Filesize
256KB

Download
memory/1772-6-0x0000000005070000-0x00000000050D0000-memory.dmp

Filesize
384KB

Download
memory/1772-28-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2456-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2456-31-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2456-33-0x0000000002000000-0x0000000002040000-memory.dmp

Filesize
256KB

Download
memory/2456-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2456-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2456-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2456-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2456-32-0x0000000002000000-0x0000000002040000-memory.dmp

Filesize
256KB

Download
memory/2456-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2456-26-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2456-27-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2456-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2456-29-0x0000000002000000-0x0000000002040000-memory.dmp

Filesize
256KB

Download
memory/2776-20-0x000000006EB20000-0x000000006F0CB000-memory.dmp

Filesize
5.7MB

Download
memory/2776-30-0x000000006EB20000-0x000000006F0CB000-memory.dmp

Filesize
5.7MB

Download
memory/2776-22-0x0000000002540000-0x0000000002580000-memory.dmp

Filesize
256KB

Download
memory/2776-16-0x000000006EB20000-0x000000006F0CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads