agenttesla | bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d

General

Target

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
Size

655KB
MD5

f02a932f414838b6ff71b051e3f976ff
SHA1

5ffd3af5fac6b4049d02bb7d6d0c1a3b187edfc6
SHA256

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d
SHA512

268a6c8a64199df170bc64e7fd7939108847721fa2c9cfd55304bd4fecce1109161b09048f167e9841362a0090051dc2cad08cd3656df7ae79376523fead85e3
SSDEEP

12288:KgYzi8LkpEaEZhq2MJT4yKg41Kbh/V0b8HhlqJcK/C+XboT9Z6i0V7szA4:KR2jERhqNkyTAK9EMm/C+XboT9ZAx

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.adgumrukmusavirligi.com
Port:
587
Username:
[email protected]
Password:
GizCvk2019!.
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. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1936-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1936-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1936-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1936-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1936-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1936-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1936-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1936-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1936-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1936-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1936-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1936-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1936-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1936-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1936-8-0x0000000000400000-0x0000000000442000-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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1936-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1936-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1936-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1936-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1936-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1936-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1936-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1936-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1936-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1936-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1936-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1936-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1936-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1936-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1936-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

3008 powershell.exe
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
3008	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\skyT = "C:\\Users\\Admin\\AppData\\Roaming\\skyT\\skyT.exe"	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

description	pid	process	target process
PID 352 set thread context of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exebbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exepowershell.exe

pid	process
352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
1936	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
1936	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
3008	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exebbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
Token: SeDebugPrivilege	1936	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
Token: SeDebugPrivilege	3008	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

pid process

1936 bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

pid	process
1936	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

description	pid	process	target process
PID 352 wrote to memory of 3008	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	powershell.exe
PID 352 wrote to memory of 3008	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	powershell.exe
PID 352 wrote to memory of 3008	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	powershell.exe
PID 352 wrote to memory of 3008	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	powershell.exe
PID 352 wrote to memory of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 352 wrote to memory of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 352 wrote to memory of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 352 wrote to memory of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 352 wrote to memory of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 352 wrote to memory of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 352 wrote to memory of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 352 wrote to memory of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 352 wrote to memory of 1936	352	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
"C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:352

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\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3008

C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
"C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1936

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/352-19-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/352-1-0x0000000000A70000-0x0000000000B1A000-memory.dmp

Filesize
680KB

Download
memory/352-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/352-3-0x00000000005A0000-0x00000000005BA000-memory.dmp

Filesize
104KB

Download
memory/352-4-0x0000000000260000-0x0000000000270000-memory.dmp

Filesize
64KB

Download
memory/352-5-0x0000000004BC0000-0x0000000004C42000-memory.dmp

Filesize
520KB

Download
memory/352-0-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/1936-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1936-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1936-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1936-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1936-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1936-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1936-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1936-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads