agenttesla | 9c88bb71aa34b21af48ac9cba57f99476b2c31032b09c90b868e357dcdb471fd

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:25

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General

Target

04673533c7fbdda693710153531ffc40N.exe
Size

881KB
MD5

04673533c7fbdda693710153531ffc40
SHA1

88a460822400b0ae932ec99c7c334f83b6f391d9
SHA256

9c88bb71aa34b21af48ac9cba57f99476b2c31032b09c90b868e357dcdb471fd
SHA512

924bdc15281808abe3697205193c719d306541acc085705c20dd28b6168d97087a946b4ecaea258385bdebba43971edb01182a91c197c3b6fc13d128e1f27825
SSDEEP

24576:ryLOsEpHaAiLjPxj4um3Gkr4WvHYuX0J:ryLOsEp6AMJnsXv4dJ

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
webmaster
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2568	powershell.exe
396	powershell.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3089151618-2647890268-2710988337-1000\Control Panel\International\Geo\Nation	04673533c7fbdda693710153531ffc40N.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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	api.ipify.org
16	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4356 set thread context of 688	4356	04673533c7fbdda693710153531ffc40N.exe	92

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04673533c7fbdda693710153531ffc40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04673533c7fbdda693710153531ffc40N.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2568	powershell.exe
396	powershell.exe
396	powershell.exe
688	04673533c7fbdda693710153531ffc40N.exe
688	04673533c7fbdda693710153531ffc40N.exe
2568	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	powershell.exe
Token: SeDebugPrivilege	396	powershell.exe
Token: SeDebugPrivilege	688	04673533c7fbdda693710153531ffc40N.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 2568	4356	04673533c7fbdda693710153531ffc40N.exe	86
PID 4356 wrote to memory of 2568	4356	04673533c7fbdda693710153531ffc40N.exe	86
PID 4356 wrote to memory of 2568	4356	04673533c7fbdda693710153531ffc40N.exe	86
PID 4356 wrote to memory of 396	4356	04673533c7fbdda693710153531ffc40N.exe	88
PID 4356 wrote to memory of 396	4356	04673533c7fbdda693710153531ffc40N.exe	88
PID 4356 wrote to memory of 396	4356	04673533c7fbdda693710153531ffc40N.exe	88
PID 4356 wrote to memory of 1204	4356	04673533c7fbdda693710153531ffc40N.exe	90
PID 4356 wrote to memory of 1204	4356	04673533c7fbdda693710153531ffc40N.exe	90
PID 4356 wrote to memory of 1204	4356	04673533c7fbdda693710153531ffc40N.exe	90
PID 4356 wrote to memory of 688	4356	04673533c7fbdda693710153531ffc40N.exe	92
PID 4356 wrote to memory of 688	4356	04673533c7fbdda693710153531ffc40N.exe	92
PID 4356 wrote to memory of 688	4356	04673533c7fbdda693710153531ffc40N.exe	92
PID 4356 wrote to memory of 688	4356	04673533c7fbdda693710153531ffc40N.exe	92
PID 4356 wrote to memory of 688	4356	04673533c7fbdda693710153531ffc40N.exe	92
PID 4356 wrote to memory of 688	4356	04673533c7fbdda693710153531ffc40N.exe	92
PID 4356 wrote to memory of 688	4356	04673533c7fbdda693710153531ffc40N.exe	92
PID 4356 wrote to memory of 688	4356	04673533c7fbdda693710153531ffc40N.exe	92

C:\Users\Admin\AppData\Local\Temp\04673533c7fbdda693710153531ffc40N.exe
"C:\Users\Admin\AppData\Local\Temp\04673533c7fbdda693710153531ffc40N.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4356
- 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\04673533c7fbdda693710153531ffc40N.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2568
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jLaJdSNYRXiLXi.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:396
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jLaJdSNYRXiLXi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1204
- C:\Users\Admin\AppData\Local\Temp\04673533c7fbdda693710153531ffc40N.exe
  "C:\Users\Admin\AppData\Local\Temp\04673533c7fbdda693710153531ffc40N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uloxm4zr.vgm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2E9.tmp

Filesize
1KB

MD5
5e3132ce7e053ae4b4c538629efeb2a7

SHA1
d23dd57c782d1537ed057eceae0abe4923533894

SHA256
2be3d0179b47541d0e63eed78ce2839ca791b0d4e9cf7214e54c60aa1a6eac89

SHA512
d3db7730727a40f357a13e287e14fa89057c516e9aeaa2d2d4005add2f7e277010744560b63a045631f992e7f974a21ae0fc911d4e805b96f953ee212adb2029

Download Submit
memory/396-63-0x000000006FDB0000-0x000000006FDFC000-memory.dmp

Filesize
304KB

Download
memory/396-82-0x00000000073E0000-0x00000000073E8000-memory.dmp

Filesize
32KB

Download
memory/396-78-0x00000000072C0000-0x00000000072D1000-memory.dmp

Filesize
68KB

Download
memory/396-77-0x0000000007340000-0x00000000073D6000-memory.dmp

Filesize
600KB

Download
memory/396-89-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/396-49-0x0000000005E20000-0x0000000005E6C000-memory.dmp

Filesize
304KB

Download
memory/396-47-0x0000000005D60000-0x0000000005D7E000-memory.dmp

Filesize
120KB

Download
memory/396-24-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/396-45-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/396-31-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/688-90-0x0000000006D80000-0x0000000006DD0000-memory.dmp

Filesize
320KB

Download
memory/688-46-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2568-16-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2568-20-0x0000000005B00000-0x0000000005B22000-memory.dmp

Filesize
136KB

Download
memory/2568-23-0x0000000006260000-0x00000000062C6000-memory.dmp

Filesize
408KB

Download
memory/2568-19-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2568-44-0x00000000064D0000-0x0000000006824000-memory.dmp

Filesize
3.3MB

Download
memory/2568-18-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2568-17-0x0000000005B50000-0x0000000006178000-memory.dmp

Filesize
6.2MB

Download
memory/2568-85-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2568-15-0x0000000005420000-0x0000000005456000-memory.dmp

Filesize
216KB

Download
memory/2568-76-0x0000000007D70000-0x0000000007D7A000-memory.dmp

Filesize
40KB

Download
memory/2568-81-0x0000000008040000-0x000000000805A000-memory.dmp

Filesize
104KB

Download
memory/2568-80-0x0000000007F40000-0x0000000007F54000-memory.dmp

Filesize
80KB

Download
memory/2568-79-0x0000000007F30000-0x0000000007F3E000-memory.dmp

Filesize
56KB

Download
memory/2568-52-0x000000006FDB0000-0x000000006FDFC000-memory.dmp

Filesize
304KB

Download
memory/2568-62-0x00000000079A0000-0x00000000079BE000-memory.dmp

Filesize
120KB

Download
memory/2568-22-0x00000000061F0000-0x0000000006256000-memory.dmp

Filesize
408KB

Download
memory/2568-51-0x0000000007960000-0x0000000007992000-memory.dmp

Filesize
200KB

Download
memory/2568-73-0x00000000079C0000-0x0000000007A63000-memory.dmp

Filesize
652KB

Download
memory/2568-74-0x0000000008340000-0x00000000089BA000-memory.dmp

Filesize
6.5MB

Download
memory/2568-75-0x0000000007D00000-0x0000000007D1A000-memory.dmp

Filesize
104KB

Download
memory/4356-8-0x0000000005D30000-0x0000000005D3E000-memory.dmp

Filesize
56KB

Download
memory/4356-7-0x0000000005CF0000-0x0000000005D02000-memory.dmp

Filesize
72KB

Download
memory/4356-6-0x0000000008350000-0x00000000083F0000-memory.dmp

Filesize
640KB

Download
memory/4356-9-0x0000000006B60000-0x0000000006BE2000-memory.dmp

Filesize
520KB

Download
memory/4356-50-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-10-0x000000000A8F0000-0x000000000A98C000-memory.dmp

Filesize
624KB

Download
memory/4356-5-0x0000000005A30000-0x0000000005A3A000-memory.dmp

Filesize
40KB

Download
memory/4356-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/4356-4-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-3-0x0000000005960000-0x00000000059F2000-memory.dmp

Filesize
584KB

Download
memory/4356-2-0x0000000005E60000-0x0000000006404000-memory.dmp

Filesize
5.6MB

Download
memory/4356-1-0x0000000000EA0000-0x0000000000F82000-memory.dmp

Filesize
904KB

Download