agenttesla | b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219

Analysis

max time kernel
51s
max time network
55s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 02:38

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General

Target
b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe
Size 1.0MB
Sample240613-c4tbcsverr
SHA256 b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219
MD5 943159539503d80fcd8a12fbe4dbae0d
SHA1 a9826e73a58dbf8e257f8434bde0eaca904d28a6
SHA512 3be2962a181231bbf8b17075ebb5d0b5159885dc103ee101ae5228b91207bb89dc99439a1d9a3f9efb2c0fa374c076bf2bbbbff098b41b0c19f79dd590f1f5ab
SSDEEP 24576:aAHnh+eWsN3skA4RV1Hom2KXMmHaeBD42abqAW5:th+ZkldoPK8YaeGdE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.antoniomayol.com:21
Port
21
Username
[email protected]
Password
cMhKDQUk1{;%

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bankrupture.vbs	bankrupture.exe

Executes dropped EXE 1 IoCs

pid	Process
3080	bankrupture.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000e0000000233f5-13.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3080 set thread context of 4460	3080	bankrupture.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4460	RegSvcs.exe
4460	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3080	bankrupture.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4560	b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe
4560	b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe
3080	bankrupture.exe
3080	bankrupture.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4560	b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe
4560	b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe
3080	bankrupture.exe
3080	bankrupture.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 3080	4560	b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe	85
PID 4560 wrote to memory of 3080	4560	b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe	85
PID 4560 wrote to memory of 3080	4560	b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe	85
PID 3080 wrote to memory of 4460	3080	bankrupture.exe	86
PID 3080 wrote to memory of 4460	3080	bankrupture.exe	86
PID 3080 wrote to memory of 4460	3080	bankrupture.exe	86
PID 3080 wrote to memory of 4460	3080	bankrupture.exe	86

C:\Users\Admin\AppData\Local\Temp\b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe
"C:\Users\Admin\AppData\Local\Temp\b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe"
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Users\Admin\AppData\Local\spiketail\bankrupture.exe
  "C:\Users\Admin\AppData\Local\Temp\b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3080
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4460

Network

MITRE ATT&CK Matrix

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Downloads

Roca

Path C:\Users\Admin\AppData\Local\Temp\Roca
Size 64KB
SHA256 f7c1b1b745ffa776fe788b62c8fb783109eeb92c6cf430dceaa3db61bcaeda49
MD5 87970133ab489c881fe1c5deadc83a66
SHA1 26ad8044875db537e6cd8c41b4cfd8995b2c0fd3
SHA512 c40d7aaad7a1bcd77178369aa4b0b58d2bebed0c7bfb8990d5cc3f588f0a7842cec7128c1314cb5261550eaa9d01cf3a121e512289e4677ccd4acbfd8e26f8ee
SSDEEP 1536:BypayyDOyy0hVGaemf8skHXCsTyWXkmfmL4RawaBf4M98P25X3VNNWx94xmGWW6m:f/DqsMCsGmfc4LaR4y8q3rtxT6i
MD5 SHA1 SHA512 SSDEEP

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bankrupture.exe

Path C:\Users\Admin\AppData\Local\spiketail\bankrupture.exe
Size 1.0MB
SHA256 b08051f505a5d20180d7af56dbd4a42f50f7b966422834bbf233b05975b04219
MD5 943159539503d80fcd8a12fbe4dbae0d
SHA1 a9826e73a58dbf8e257f8434bde0eaca904d28a6
SHA512 3be2962a181231bbf8b17075ebb5d0b5159885dc103ee101ae5228b91207bb89dc99439a1d9a3f9efb2c0fa374c076bf2bbbbff098b41b0c19f79dd590f1f5ab
SSDEEP 24576:aAHnh+eWsN3skA4RV1Hom2KXMmHaeBD42abqAW5:th+ZkldoPK8YaeGdE
MD5 SHA1 SHA512 SSDEEP

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memory/4460-30-0x0000000005F30000-0x00000000064D4000-memory.dmp

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memory/4460-28-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/4460-29-0x00000000752EE000-0x00000000752EF000-memory.dmp

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memory/4460-31-0x0000000005B60000-0x0000000005BC6000-memory.dmp

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memory/4460-32-0x00000000752E0000-0x0000000075A90000-memory.dmp

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memory/4460-33-0x0000000006DD0000-0x0000000006E20000-memory.dmp

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memory/4460-34-0x0000000006EC0000-0x0000000006F52000-memory.dmp

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memory/4460-35-0x0000000006E60000-0x0000000006E6A000-memory.dmp

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memory/4460-36-0x00000000752EE000-0x00000000752EF000-memory.dmp

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memory/4460-37-0x00000000752E0000-0x0000000075A90000-memory.dmp

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memory/4560-10-0x0000000000F40000-0x0000000000F44000-memory.dmp

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