agenttesla | 3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6

General

Target

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
Size

670KB
MD5

784ba798f9aa395a8ed0cd2d1e557320
SHA1

d368d6b2507f3523702b855a19f0b6eb8380320b
SHA256

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6
SHA512

9c806128da404126fccdce4e26e087d4121c80cdc7e23d29b5fe1dfa068a9e1dcad91d7f36c6c62885ba676d88e63c39906bf7babc4ce15994a4891770ba208b
SSDEEP

12288:yfz4TLzf3S3WNDTOlZhMAKA/9hdW3GTTdxfCu5SY3+Uln+MymlyblNQbf:2z4TLzf3OWZiVMAz/9PWmTuuY/zmlyhS

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/2136-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2136-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2136-12-0x0000000000400000-0x0000000000442000-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/2136-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2136-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2136-12-0x0000000000400000-0x0000000000442000-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/2136-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2136-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2136-12-0x0000000000400000-0x0000000000442000-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/2136-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2136-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2136-12-0x0000000000400000-0x0000000000442000-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/2136-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2136-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2136-12-0x0000000000400000-0x0000000000442000-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/2136-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2136-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2136-12-0x0000000000400000-0x0000000000442000-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

2412 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
2412	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\skyT = "C:\\Users\\Admin\\AppData\\Roaming\\skyT\\skyT.exe"	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

description	pid	process	target process
PID 1680 set thread context of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.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:

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exepowershell.exe

pid	process
1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
2136	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
2136	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
2412	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
Token: SeDebugPrivilege	2136	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
Token: SeDebugPrivilege	2412	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

pid process

2136 3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

pid	process
2136	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

description	pid	process	target process
PID 1680 wrote to memory of 2412	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	powershell.exe
PID 1680 wrote to memory of 2412	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	powershell.exe
PID 1680 wrote to memory of 2412	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	powershell.exe
PID 1680 wrote to memory of 2412	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	powershell.exe
PID 1680 wrote to memory of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
PID 1680 wrote to memory of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
PID 1680 wrote to memory of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
PID 1680 wrote to memory of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
PID 1680 wrote to memory of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
PID 1680 wrote to memory of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
PID 1680 wrote to memory of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
PID 1680 wrote to memory of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
PID 1680 wrote to memory of 2136	1680	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

C:\Users\Admin\AppData\Local\Temp\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
"C:\Users\Admin\AppData\Local\Temp\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680

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\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2412

C:\Users\Admin\AppData\Local\Temp\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe
"C:\Users\Admin\AppData\Local\Temp\3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2136

Network

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/1680-0-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/1680-1-0x00000000013B0000-0x000000000145E000-memory.dmp

Filesize
696KB

Download
memory/1680-2-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1680-3-0x0000000004D60000-0x0000000004E02000-memory.dmp

Filesize
648KB

Download
memory/1680-4-0x0000000000590000-0x00000000005AA000-memory.dmp

Filesize
104KB

Download
memory/1680-5-0x0000000000470000-0x0000000000480000-memory.dmp

Filesize
64KB

Download
memory/1680-6-0x00000000053A0000-0x0000000005422000-memory.dmp

Filesize
520KB

Download
memory/1680-20-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads