agenttesla | 4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f

General

Target

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
Size

659KB
MD5

50aad66f83288e9b066b823dc01ccc73
SHA1

583b4bcdefa93b9b0bafc1d59b353f193bef4e41
SHA256

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f
SHA512

c9e0be231d0f5a0a943a185849d95dfd0138f8d8ecde2ed136d9a85967d1550e0fb0f5a861139b934a13e6c7ee267abe2c39aafcbef656912874078a15e91215
SSDEEP

12288:3lYifTMNfFFA2LkA3vfiFSqlYg2E//e6E1DsvXkW8I11f7R45F:WioFFbkZllJ1//E1DCkW8Iz

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.saralgumruk.com
Port:
587
Username:
[email protected]
Password:
Srl--789789_
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/2848-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2848-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2848-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2848-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000442000-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/2848-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2848-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2848-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2848-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000442000-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/2848-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2848-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2848-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2848-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000442000-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/2848-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2848-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2848-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2848-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000442000-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/2848-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2848-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2848-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2848-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000442000-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/2848-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2848-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2848-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2848-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000442000-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

3040 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
3040	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe"	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

description	pid	process	target process
PID 3068 set thread context of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.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:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exepowershell.exe

pid	process
3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
2848	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
2848	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
3040	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
Token: SeDebugPrivilege	2848	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
Token: SeDebugPrivilege	3040	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

pid process

2848 4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

pid	process
2848	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

description	pid	process	target process
PID 3068 wrote to memory of 3040	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	powershell.exe
PID 3068 wrote to memory of 3040	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	powershell.exe
PID 3068 wrote to memory of 3040	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	powershell.exe
PID 3068 wrote to memory of 3040	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	powershell.exe
PID 3068 wrote to memory of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 3068 wrote to memory of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 3068 wrote to memory of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 3068 wrote to memory of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 3068 wrote to memory of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 3068 wrote to memory of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 3068 wrote to memory of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 3068 wrote to memory of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 3068 wrote to memory of 2848	3068	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

C:\Users\Admin\AppData\Local\Temp\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
"C:\Users\Admin\AppData\Local\Temp\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068

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\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040

C:\Users\Admin\AppData\Local\Temp\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
"C:\Users\Admin\AppData\Local\Temp\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2848

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2848-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3068-1-0x0000000000AC0000-0x0000000000B6A000-memory.dmp

Filesize
680KB

Download
memory/3068-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/3068-5-0x0000000005240000-0x00000000052C2000-memory.dmp

Filesize
520KB

Download
memory/3068-4-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/3068-3-0x0000000000A00000-0x0000000000A1A000-memory.dmp

Filesize
104KB

Download
memory/3068-2-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/3068-21-0x0000000074410000-0x0000000074AFE000-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