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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-18-0x0000000001260000-0x00000000012A2000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-18-0x0000000001260000-0x00000000012A2000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-18-0x0000000001260000-0x00000000012A2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-18-0x0000000001260000-0x00000000012A2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-18-0x0000000001260000-0x00000000012A2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-18-0x0000000001260000-0x00000000012A2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-18-0x0000000001260000-0x00000000012A2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

2556 powershell.exe
2668 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
2556	powershell.exe
2668	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

2660 schtasks.exe

flow	ioc
4	ip-api.com

pid	process
2660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Swift scan.exepowershell.exepowershell.exe

pid	process
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2668	powershell.exe
2556	powershell.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe
2216	Swift scan.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Swift scan.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2216 Swift scan.exe
Token: SeDebugPrivilege 2668 powershell.exe
Token: SeDebugPrivilege 2556 powershell.exe

description	pid	process
Token: SeDebugPrivilege	2216	Swift scan.exe
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	2556	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Swift scan.exe

description	pid	process	target process
PID 2216 wrote to memory of 2556	2216	Swift scan.exe	powershell.exe
PID 2216 wrote to memory of 2556	2216	Swift scan.exe	powershell.exe
PID 2216 wrote to memory of 2556	2216	Swift scan.exe	powershell.exe
PID 2216 wrote to memory of 2556	2216	Swift scan.exe	powershell.exe
PID 2216 wrote to memory of 2668	2216	Swift scan.exe	powershell.exe
PID 2216 wrote to memory of 2668	2216	Swift scan.exe	powershell.exe
PID 2216 wrote to memory of 2668	2216	Swift scan.exe	powershell.exe
PID 2216 wrote to memory of 2668	2216	Swift scan.exe	powershell.exe
PID 2216 wrote to memory of 2660	2216	Swift scan.exe	schtasks.exe
PID 2216 wrote to memory of 2660	2216	Swift scan.exe	schtasks.exe
PID 2216 wrote to memory of 2660	2216	Swift scan.exe	schtasks.exe
PID 2216 wrote to memory of 2660	2216	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:2216

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:2556

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:2668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SePSCGQw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D17.tmp"
2⤵
- Creates scheduled task(s)
PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4D17.tmp

Filesize
1KB

MD5
7f682ed2487783bfd7d0aa4ad58d5969

SHA1
f7426e2ecaa07889b4ee3cbb33057f8aa6ee95f7

SHA256
ee1c9e9396bcac618e43cf4ed11ca4b41878b9dd48d1ca1c333404b13217d6b1

SHA512
7fd57d831874573c78d1c836b05993d8cbce4deb7987cc07f091035cad18538cb9f6b62110e26eb8e4bbdcf4d138d4273f74e0c8f427c44e366d36202ff6394f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\GD1CY2OUDHBCM16GA6QS.temp

Filesize
7KB

MD5
6b6d01eac4fa902085c9cc3aae586ce4

SHA1
0b46c9744ed2e19841e28fcac9a4d309678e4e9a

SHA256
f3785fc26f770161ee29c00f92b647ef6b35c266867764f7e8ba62404318fb31

SHA512
3c9d250eddb320ae279928902ac78c5672315bb3712e1a1be9a427ba740c54fd65ac2f51d5322ed7ab3e12f34824e05688fdeddb88bcbd115c2b1ed3fb407dff

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memory/2216-0-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/2216-1-0x00000000013E0000-0x00000000014B6000-memory.dmp

Filesize
856KB

Download
memory/2216-2-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-3-0x0000000000AD0000-0x0000000000AEA000-memory.dmp

Filesize
104KB

Download
memory/2216-4-0x0000000000AF0000-0x0000000000B00000-memory.dmp

Filesize
64KB

Download
memory/2216-5-0x0000000005580000-0x0000000005604000-memory.dmp

Filesize
528KB

Download
memory/2216-18-0x0000000001260000-0x00000000012A2000-memory.dmp

Filesize
264KB

Download
memory/2216-19-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/2216-20-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads