agenttesla | 3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e

General

Target

3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
Size

706KB
MD5

92e2c98f8a1aa1222f4901933bddaa34
SHA1

d3111c7e3d99e8863b985dc37c15184c2418568f
SHA256

3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e
SHA512

24da674d5fcbec6e243971caa3eb4eb0703f6fccb9d3afb5d921d824b5681b0fe20d29bb6b8bf5c191131b697f90470244f54f5ef8f6b33b32c8dbe76f4e69ca
SSDEEP

12288:xCyaTqa5W2wna41Z/Hruq29kR6NhSPellpvz6sFncOXxDfxJfLFnKuq:IjTurae5ruP9E6WIF6sSOXVrDBq

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ozgurmob.com
Port:
587
Username:
[email protected]
Password:
beko(1453)(3959)
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. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2672-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2672-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2672-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2672-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2672-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2672-24-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2672-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2672-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2672-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2672-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2672-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2672-24-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2224-4-0x00000000003B0000-0x00000000003BC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2672-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2672-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2672-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2672-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2672-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2672-24-0x00000000047B0000-0x00000000047F0000-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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2672-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2672-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2672-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2672-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2672-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2672-24-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2672-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2672-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2672-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2672-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2672-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2672-24-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2672-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2672-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2672-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2672-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2672-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2672-24-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe"	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe

description	pid	process	target process
PID 2224 set thread context of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.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:

3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exepowershell.exe

pid	process
2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
2672	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
2672	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
2520	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
Token: SeDebugPrivilege	2672	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
Token: SeDebugPrivilege	2520	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe

pid process

2672 3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe

pid	process
2672	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe

description	pid	process	target process
PID 2224 wrote to memory of 2520	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	powershell.exe
PID 2224 wrote to memory of 2520	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	powershell.exe
PID 2224 wrote to memory of 2520	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	powershell.exe
PID 2224 wrote to memory of 2520	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	powershell.exe
PID 2224 wrote to memory of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
PID 2224 wrote to memory of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
PID 2224 wrote to memory of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
PID 2224 wrote to memory of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
PID 2224 wrote to memory of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
PID 2224 wrote to memory of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
PID 2224 wrote to memory of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
PID 2224 wrote to memory of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
PID 2224 wrote to memory of 2672	2224	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe	3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe

C:\Users\Admin\AppData\Local\Temp\3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
"C:\Users\Admin\AppData\Local\Temp\3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224

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\3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2520

C:\Users\Admin\AppData\Local\Temp\3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe
"C:\Users\Admin\AppData\Local\Temp\3bcef269e37701fa26f27b3c759d1fddeeb96998e2f7aea05ea02acb15e53a3e.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2672

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

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/2224-23-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-2-0x0000000004870000-0x00000000048B0000-memory.dmp

Filesize
256KB

Download
memory/2224-0-0x0000000000DF0000-0x0000000000EA6000-memory.dmp

Filesize
728KB

Download
memory/2224-3-0x0000000000390000-0x00000000003A2000-memory.dmp

Filesize
72KB

Download
memory/2224-4-0x00000000003B0000-0x00000000003BC000-memory.dmp

Filesize
48KB

Download
memory/2224-5-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-6-0x0000000005340000-0x00000000053C2000-memory.dmp

Filesize
520KB

Download
memory/2224-1-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-27-0x000000006FCC0000-0x000000007026B000-memory.dmp

Filesize
5.7MB

Download
memory/2520-30-0x000000006FCC0000-0x000000007026B000-memory.dmp

Filesize
5.7MB

Download
memory/2520-28-0x000000006FCC0000-0x000000007026B000-memory.dmp

Filesize
5.7MB

Download
memory/2672-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-22-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-24-0x00000000047B0000-0x00000000047F0000-memory.dmp

Filesize
256KB

Download
memory/2672-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-31-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads