agenttesla | 33ea02b92678e7c73d8f65dc81d76733fe0ce94b9c9b22ebe216132a0986436f

General

Target

3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
Size

718KB
MD5

3ba367bb53bc5ad7c0e8d7f5a9d33532
SHA1

974c0e32a4480927f27daec1f65ce9bf23ff0e0a
SHA256

33ea02b92678e7c73d8f65dc81d76733fe0ce94b9c9b22ebe216132a0986436f
SHA512

c595d47918ca1a3facba0003cf1dd245e10aad78b190fe5715904c16fb13052e41a3a807da113ef46c7ea4688e01f7136b9ddeda0792398a5bc872a69628294e

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.tractorandinas.com/
Port:
21
Username:
[email protected]
Password:
~P*xO7vPBc-o

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/3396-121-0x00000000024D0000-0x000000000251D000-memory.dmp	net_reactor
behavioral2/memory/3396-130-0x00000000049E0000-0x0000000004A2C000-memory.dmp	net_reactor

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3396-121-0x00000000024D0000-0x000000000251D000-memory.dmp	family_agenttesla
behavioral2/memory/3396-130-0x00000000049E0000-0x0000000004A2C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe

Executes dropped EXE 1 IoCs

pid	Process
1472	Netplwiz.exe

Loads dropped DLL 1 IoCs

pid	Process
1472	Netplwiz.exe

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
T1081
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
T1081
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
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vaijia = "C:\\Users\\Public\\aijiaV.url"	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 3396	2116	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe	79

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3396	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
3396	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
2908	powershell.exe
2908	powershell.exe
2908	powershell.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	3396	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
Token: SeDebugPrivilege	2908	powershell.exe
Token: SeIncreaseQuotaPrivilege	2908	powershell.exe
Token: SeSecurityPrivilege	2908	powershell.exe
Token: SeTakeOwnershipPrivilege	2908	powershell.exe
Token: SeLoadDriverPrivilege	2908	powershell.exe
Token: SeSystemProfilePrivilege	2908	powershell.exe
Token: SeSystemtimePrivilege	2908	powershell.exe
Token: SeProfSingleProcessPrivilege	2908	powershell.exe
Token: SeIncBasePriorityPrivilege	2908	powershell.exe
Token: SeCreatePagefilePrivilege	2908	powershell.exe
Token: SeBackupPrivilege	2908	powershell.exe
Token: SeRestorePrivilege	2908	powershell.exe
Token: SeShutdownPrivilege	2908	powershell.exe
Token: SeDebugPrivilege	2908	powershell.exe
Token: SeSystemEnvironmentPrivilege	2908	powershell.exe
Token: SeRemoteShutdownPrivilege	2908	powershell.exe
Token: SeUndockPrivilege	2908	powershell.exe
Token: SeManageVolumePrivilege	2908	powershell.exe
Token: 33	2908	powershell.exe
Token: 34	2908	powershell.exe
Token: 35	2908	powershell.exe
Token: 36	2908	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 3396	2116	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe	79
PID 2116 wrote to memory of 3396	2116	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe	79
PID 2116 wrote to memory of 3396	2116	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe	79
PID 2116 wrote to memory of 3396	2116	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe	79
PID 2116 wrote to memory of 3396	2116	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe	79
PID 2116 wrote to memory of 1856	2116	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe	80
PID 2116 wrote to memory of 1856	2116	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe	80
PID 2116 wrote to memory of 1856	2116	3ba367bb53bc5ad7c0e8d7f5a9d33532.exe	80
PID 1856 wrote to memory of 1168	1856	cmd.exe	82
PID 1856 wrote to memory of 1168	1856	cmd.exe	82
PID 1856 wrote to memory of 1168	1856	cmd.exe	82
PID 1168 wrote to memory of 1472	1168	cmd.exe	84
PID 1168 wrote to memory of 1472	1168	cmd.exe	84
PID 1472 wrote to memory of 3784	1472	Netplwiz.exe	85
PID 1472 wrote to memory of 3784	1472	Netplwiz.exe	85
PID 3784 wrote to memory of 2908	3784	cmd.exe	87
PID 3784 wrote to memory of 2908	3784	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
"C:\Users\Admin\AppData\Local\Temp\3ba367bb53bc5ad7c0e8d7f5a9d33532.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
  C:\Users\Admin\AppData\Local\Temp\3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
  2⤵
  - Drops file in Drivers directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3396
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\stt.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Public\PXOR.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1168
  - - C:\Windows \System32\Netplwiz.exe
      "C:\Windows \System32\Netplwiz.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1472
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c C:\Users\Public\Cdex.bat
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3784
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2116-114-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/2908-152-0x0000028445E80000-0x0000028445E82000-memory.dmp

Filesize
8KB

Download
memory/2908-153-0x0000028445E83000-0x0000028445E85000-memory.dmp

Filesize
8KB

Download
memory/2908-154-0x0000028445E86000-0x0000028445E88000-memory.dmp

Filesize
8KB

Download
memory/2908-148-0x0000028448340000-0x0000028448341000-memory.dmp

Filesize
4KB

Download
memory/2908-143-0x0000028447F90000-0x0000028447F91000-memory.dmp

Filesize
4KB

Download
memory/3396-121-0x00000000024D0000-0x000000000251D000-memory.dmp

Filesize
308KB

Download
memory/3396-131-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/3396-135-0x0000000004B83000-0x0000000004B84000-memory.dmp

Filesize
4KB

Download
memory/3396-133-0x0000000004B80000-0x0000000004B81000-memory.dmp

Filesize
4KB

Download
memory/3396-137-0x0000000005090000-0x0000000005091000-memory.dmp

Filesize
4KB

Download
memory/3396-130-0x00000000049E0000-0x0000000004A2C000-memory.dmp

Filesize
304KB

Download
memory/3396-181-0x0000000005970000-0x0000000005971000-memory.dmp

Filesize
4KB

Download
memory/3396-151-0x0000000004B84000-0x0000000004B86000-memory.dmp

Filesize
8KB

Download
memory/3396-126-0x0000000004B90000-0x0000000004B91000-memory.dmp

Filesize
4KB

Download
memory/3396-134-0x0000000004B82000-0x0000000004B83000-memory.dmp

Filesize
4KB

Download
memory/3396-115-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/3396-178-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download
memory/3396-179-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/3396-180-0x0000000005C20000-0x0000000005C21000-memory.dmp

Filesize
4KB

Download

Analysis

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