agenttesla | 5bd009ecc08c72c1d670a8aeaf2b3c4263edb9293465f893dd3768ab3ea0ff24

General

Target

Swift scan.exe
Size

844KB
MD5

2b09b0e829ae8e3baf44ea7597e9d83a
SHA1

23e22129c79e41808ba77bf99a1bf8e77d8e5182
SHA256

167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad
SHA512

82a3e5a413fd985ab0e868fba65312429a5686fa49f91d19ca670bf85988f3548205bd7b6ab69c6f0080555726a83bbc309b57917004c7bb7957f94235da9a4e
SSDEEP

12288:SJx504bFtx504bFWxETdmtCJET9OziEECUBOwHOGnaOjiobasXd37G:gw4bjw4bnpRzMOQbTN7

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
Sages101*
Email To:
[email protected]

Signatures

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

Processes:

powershell.exepowershell.exe

pid process

2596 powershell.exe
2660 powershell.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

pid	process
2596	powershell.exe
2660	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Swift scan.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\avdfUcC = "C:\\Users\\Admin\\AppData\\Roaming\\avdfUcC\\avdfUcC.exe"	Swift scan.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2824 schtasks.exe

flow	ioc
4	ip-api.com

pid	process
2824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Swift scan.exepowershell.exepowershell.exe

pid	process
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
2596	powershell.exe
2660	powershell.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe
1848	Swift scan.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Swift scan.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1848 Swift scan.exe
Token: SeDebugPrivilege 2596 powershell.exe
Token: SeDebugPrivilege 2660 powershell.exe

description	pid	process
Token: SeDebugPrivilege	1848	Swift scan.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	2660	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Swift scan.exe

description	pid	process	target process
PID 1848 wrote to memory of 2596	1848	Swift scan.exe	powershell.exe
PID 1848 wrote to memory of 2596	1848	Swift scan.exe	powershell.exe
PID 1848 wrote to memory of 2596	1848	Swift scan.exe	powershell.exe
PID 1848 wrote to memory of 2596	1848	Swift scan.exe	powershell.exe
PID 1848 wrote to memory of 2660	1848	Swift scan.exe	powershell.exe
PID 1848 wrote to memory of 2660	1848	Swift scan.exe	powershell.exe
PID 1848 wrote to memory of 2660	1848	Swift scan.exe	powershell.exe
PID 1848 wrote to memory of 2660	1848	Swift scan.exe	powershell.exe
PID 1848 wrote to memory of 2824	1848	Swift scan.exe	schtasks.exe
PID 1848 wrote to memory of 2824	1848	Swift scan.exe	schtasks.exe
PID 1848 wrote to memory of 2824	1848	Swift scan.exe	schtasks.exe
PID 1848 wrote to memory of 2824	1848	Swift scan.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Swift scan.exe
"C:\Users\Admin\AppData\Local\Temp\Swift scan.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848

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\Swift scan.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SePSCGQw.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2660

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SePSCGQw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp470E.tmp"
2⤵
- Creates scheduled task(s)
PID:2824

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp470E.tmp
Filesize
1KB

MD5
7f682ed2487783bfd7d0aa4ad58d5969

SHA1
f7426e2ecaa07889b4ee3cbb33057f8aa6ee95f7

SHA256
ee1c9e9396bcac618e43cf4ed11ca4b41878b9dd48d1ca1c333404b13217d6b1

SHA512
7fd57d831874573c78d1c836b05993d8cbce4deb7987cc07f091035cad18538cb9f6b62110e26eb8e4bbdcf4d138d4273f74e0c8f427c44e366d36202ff6394f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
177d03ed29ce57ca344d41462b4e277f

SHA1
bc4bc8cee59d19d4534bb5221c4e570400a33c24

SHA256
8fe2515b74a4e63eeb251cd0fb7c88f382cceffbdeaaed004a876062c876fc02

SHA512
60a886807fe562f187678cb4bb0c318479ecb8479c7465e81fceae9e67fa63200f1b0850bfad2e61ac96655a51d33bd70418d1228b1632bd96808693ec0f3185

Download Submit
memory/1848-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/1848-1-0x0000000000A90000-0x0000000000B66000-memory.dmp

Filesize
856KB

Download
memory/1848-2-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/1848-3-0x00000000004E0000-0x00000000004FA000-memory.dmp

Filesize
104KB

Download
memory/1848-4-0x00000000004A0000-0x00000000004B0000-memory.dmp

Filesize
64KB

Download
memory/1848-5-0x0000000005480000-0x0000000005504000-memory.dmp

Filesize
528KB

Download
memory/1848-18-0x0000000004300000-0x0000000004342000-memory.dmp

Filesize
264KB

Download
memory/1848-19-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/1848-20-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads