agenttesla | fcf486671fcfd181aeeb5d964a0e5fce563be5b9a15168e8ee8ff11e2d6192fc

Analysis

max time kernel
127s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 15:26

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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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2528-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

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

BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	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-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL-SHIPPING INVOICE DOCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL-SHIPPING INVOICE DOCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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 436 set thread context of 2528 436 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

description	pid	process	target process
PID 436 set thread context of 2528	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exepowershell.exeBL-SHIPPING INVOICE DOCS.exe

pid	process
436	BL-SHIPPING INVOICE DOCS.exe
436	BL-SHIPPING INVOICE DOCS.exe
1220	powershell.exe
436	BL-SHIPPING INVOICE DOCS.exe
436	BL-SHIPPING INVOICE DOCS.exe
2528	BL-SHIPPING INVOICE DOCS.exe
2528	BL-SHIPPING INVOICE DOCS.exe
1220	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeBL-SHIPPING INVOICE DOCS.exeBL-SHIPPING INVOICE DOCS.exe

description	pid	process
Token: SeDebugPrivilege	1220	powershell.exe
Token: SeDebugPrivilege	436	BL-SHIPPING INVOICE DOCS.exe
Token: SeDebugPrivilege	2528	BL-SHIPPING INVOICE DOCS.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exe

description	pid	process	target process
PID 436 wrote to memory of 1220	436	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 436 wrote to memory of 1220	436	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 436 wrote to memory of 1220	436	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 436 wrote to memory of 3580	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 3580	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 3580	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 3728	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 3728	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 3728	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 2528	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 2528	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 2528	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 2528	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 2528	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 2528	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 2528	436	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 436 wrote to memory of 2528	436	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-1-5-21-1497073144-2389943819-3385106915-1000\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-1-5-21-1497073144-2389943819-3385106915-1000\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
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:436

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:1220

C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe"
2⤵
PID:3580

C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe"
2⤵
PID:3728

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:2528

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_jxsqcwyj.l2b.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/436-1-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/436-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

Filesize
5.6MB

Download
memory/436-3-0x0000000004F80000-0x0000000005012000-memory.dmp

Filesize
584KB

Download
memory/436-4-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/436-5-0x0000000005040000-0x000000000504A000-memory.dmp

Filesize
40KB

Download
memory/436-6-0x0000000006740000-0x00000000067DC000-memory.dmp

Filesize
624KB

Download
memory/436-7-0x0000000005300000-0x000000000530E000-memory.dmp

Filesize
56KB

Download
memory/436-8-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/436-9-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/436-10-0x0000000006AF0000-0x0000000006B50000-memory.dmp

Filesize
384KB

Download
memory/436-11-0x0000000006BC0000-0x0000000006C26000-memory.dmp

Filesize
408KB

Download
memory/436-0-0x0000000000530000-0x00000000005A6000-memory.dmp

Filesize
472KB

Download
memory/436-32-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/1220-54-0x00000000071B0000-0x00000000071BA000-memory.dmp

Filesize
40KB

Download
memory/1220-57-0x0000000007370000-0x000000000737E000-memory.dmp

Filesize
56KB

Download
memory/1220-14-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/1220-18-0x0000000004F80000-0x0000000004FE6000-memory.dmp

Filesize
408KB

Download
memory/1220-63-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/1220-17-0x0000000004D60000-0x0000000004D82000-memory.dmp

Filesize
136KB

Download
memory/1220-15-0x0000000005140000-0x0000000005768000-memory.dmp

Filesize
6.2MB

Download
memory/1220-30-0x0000000005850000-0x0000000005BA4000-memory.dmp

Filesize
3.3MB

Download
memory/1220-13-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/1220-60-0x0000000007460000-0x0000000007468000-memory.dmp

Filesize
32KB

Download
memory/1220-59-0x0000000007480000-0x000000000749A000-memory.dmp

Filesize
104KB

Download
memory/1220-34-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

Filesize
120KB

Download
memory/1220-35-0x0000000005E90000-0x0000000005EDC000-memory.dmp

Filesize
304KB

Download
memory/1220-36-0x000000007F5C0000-0x000000007F5D0000-memory.dmp

Filesize
64KB

Download
memory/1220-37-0x0000000006DC0000-0x0000000006DF2000-memory.dmp

Filesize
200KB

Download
memory/1220-38-0x0000000074FE0000-0x000000007502C000-memory.dmp

Filesize
304KB

Download
memory/1220-48-0x00000000063E0000-0x00000000063FE000-memory.dmp

Filesize
120KB

Download
memory/1220-49-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/1220-51-0x0000000006E10000-0x0000000006EB3000-memory.dmp

Filesize
652KB

Download
memory/1220-50-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/1220-52-0x0000000007790000-0x0000000007E0A000-memory.dmp

Filesize
6.5MB

Download
memory/1220-53-0x0000000007140000-0x000000000715A000-memory.dmp

Filesize
104KB

Download
memory/1220-12-0x00000000024F0000-0x0000000002526000-memory.dmp

Filesize
216KB

Download
memory/1220-55-0x00000000073C0000-0x0000000007456000-memory.dmp

Filesize
600KB

Download
memory/1220-56-0x0000000007340000-0x0000000007351000-memory.dmp

Filesize
68KB

Download
memory/1220-16-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/1220-58-0x0000000007380000-0x0000000007394000-memory.dmp

Filesize
80KB

Download
memory/2528-33-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

Filesize
64KB

Download
memory/2528-31-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/2528-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2528-64-0x0000000005C70000-0x0000000005C88000-memory.dmp

Filesize
96KB

Download
memory/2528-65-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/2528-66-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

Filesize
64KB

Download
memory/2528-67-0x00000000056F0000-0x0000000005740000-memory.dmp

Filesize
320KB

Download
memory/2528-68-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

Filesize
64KB

Download