agenttesla | 4afaf7828c6fd5370e554ae2ccea42b7bdab6d663812e54e9681150b2db80ecf

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 19:34

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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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/876-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Bankslip.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	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-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bankslip.exe
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bankslip.exe
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\16.0\Outlook\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 2524 set thread context of 876 2524 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 4 IoCs

Processes:

powershell.exeBankslip.exe

pid process

5076 powershell.exe
876 Bankslip.exe
876 Bankslip.exe
5076 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeBankslip.exe

description pid process

Token: SeDebugPrivilege 5076 powershell.exe
Token: SeDebugPrivilege 876 Bankslip.exe

description	pid	process	target process
PID 2524 set thread context of 876	2524	Bankslip.exe	Bankslip.exe

pid	process
5076	powershell.exe
876	Bankslip.exe
876	Bankslip.exe
5076	powershell.exe

description	pid	process
Token: SeDebugPrivilege	5076	powershell.exe
Token: SeDebugPrivilege	876	Bankslip.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Bankslip.exe

description	pid	process	target process
PID 2524 wrote to memory of 5076	2524	Bankslip.exe	powershell.exe
PID 2524 wrote to memory of 5076	2524	Bankslip.exe	powershell.exe
PID 2524 wrote to memory of 5076	2524	Bankslip.exe	powershell.exe
PID 2524 wrote to memory of 876	2524	Bankslip.exe	Bankslip.exe
PID 2524 wrote to memory of 876	2524	Bankslip.exe	Bankslip.exe
PID 2524 wrote to memory of 876	2524	Bankslip.exe	Bankslip.exe
PID 2524 wrote to memory of 876	2524	Bankslip.exe	Bankslip.exe
PID 2524 wrote to memory of 876	2524	Bankslip.exe	Bankslip.exe
PID 2524 wrote to memory of 876	2524	Bankslip.exe	Bankslip.exe
PID 2524 wrote to memory of 876	2524	Bankslip.exe	Bankslip.exe
PID 2524 wrote to memory of 876	2524	Bankslip.exe	Bankslip.exe

outlook_office_path 1 IoCs

Processes:

Bankslip.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\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-1-5-21-3270530367-132075249-2153716227-1000\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
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2524

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:5076

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:876

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4ljfu1fj.rmd.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/876-68-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/876-63-0x0000000005460000-0x0000000005478000-memory.dmp

Filesize
96KB

Download
memory/876-21-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/876-64-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/876-33-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/876-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/876-65-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/876-66-0x0000000005160000-0x00000000051B0000-memory.dmp

Filesize
320KB

Download
memory/876-67-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/2524-5-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/2524-11-0x0000000006F50000-0x0000000006FB6000-memory.dmp

Filesize
408KB

Download
memory/2524-1-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2524-10-0x0000000006AA0000-0x0000000006B00000-memory.dmp

Filesize
384KB

Download
memory/2524-9-0x0000000006950000-0x00000000069EC000-memory.dmp

Filesize
624KB

Download
memory/2524-8-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/2524-7-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2524-6-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

Filesize
40KB

Download
memory/2524-4-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/2524-22-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2524-3-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/2524-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/2524-0-0x0000000000C00000-0x0000000000C64000-memory.dmp

Filesize
400KB

Download
memory/5076-13-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/5076-54-0x0000000007E00000-0x0000000007E96000-memory.dmp

Filesize
600KB

Download
memory/5076-34-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/5076-35-0x00000000068F0000-0x000000000693C000-memory.dmp

Filesize
304KB

Download
memory/5076-36-0x000000007F9C0000-0x000000007F9D0000-memory.dmp

Filesize
64KB

Download
memory/5076-37-0x0000000006E30000-0x0000000006E62000-memory.dmp

Filesize
200KB

Download
memory/5076-38-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

Filesize
304KB

Download
memory/5076-44-0x00000000054C0000-0x00000000054D0000-memory.dmp

Filesize
64KB

Download
memory/5076-49-0x0000000006E10000-0x0000000006E2E000-memory.dmp

Filesize
120KB

Download
memory/5076-50-0x0000000007A30000-0x0000000007AD3000-memory.dmp

Filesize
652KB

Download
memory/5076-51-0x00000000081D0000-0x000000000884A000-memory.dmp

Filesize
6.5MB

Download
memory/5076-52-0x0000000007B80000-0x0000000007B9A000-memory.dmp

Filesize
104KB

Download
memory/5076-53-0x0000000007BF0000-0x0000000007BFA000-memory.dmp

Filesize
40KB

Download
memory/5076-18-0x0000000005880000-0x00000000058A2000-memory.dmp

Filesize
136KB

Download
memory/5076-55-0x0000000007D80000-0x0000000007D91000-memory.dmp

Filesize
68KB

Download
memory/5076-56-0x0000000007DB0000-0x0000000007DBE000-memory.dmp

Filesize
56KB

Download
memory/5076-57-0x0000000007DC0000-0x0000000007DD4000-memory.dmp

Filesize
80KB

Download
memory/5076-58-0x0000000007EC0000-0x0000000007EDA000-memory.dmp

Filesize
104KB

Download
memory/5076-59-0x0000000007EA0000-0x0000000007EA8000-memory.dmp

Filesize
32KB

Download
memory/5076-62-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/5076-23-0x0000000006280000-0x00000000065D4000-memory.dmp

Filesize
3.3MB

Download
memory/5076-20-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/5076-16-0x00000000054C0000-0x00000000054D0000-memory.dmp

Filesize
64KB

Download
memory/5076-15-0x0000000005B00000-0x0000000006128000-memory.dmp

Filesize
6.2MB

Download
memory/5076-14-0x00000000054C0000-0x00000000054D0000-memory.dmp

Filesize
64KB

Download
memory/5076-12-0x0000000002F20000-0x0000000002F56000-memory.dmp

Filesize
216KB

Download