agenttesla | e5e6242c6da84bd44daddd5870cc95e53ee3e7b0e0021bb9d139194376b217ee

General

Target
Payment Confirmation.js
Size 537KB
Sample260810-ryrmxa1brb
SHA256 e5e6242c6da84bd44daddd5870cc95e53ee3e7b0e0021bb9d139194376b217ee
MD5 da73f74f4dc414fde296542928bbd8ca
SHA1 9a83f28fe9989d50a1a9878b11a7954b98b404fa
SHA512 8ed7a597aefd5598986176ed40d1015cb4c241645645754a8270b90eb861adb48bd1645588e6ae3a758a3ab62f85884d1d8afe54a388aad2dda19f6be05aa196
SSDEEP 6144:D5c1DiY3c7Hs/MA1y6nOBpR4/wBi2S7/d5pzpYSvmQHa61Nx1tb:UD/3wuLEUOpK/7/bMS1tb
TLSH
T101C42D3DF0A9932978710620D7E1A252023EFD8F2F5F221426EE29CED3F55905A53DDA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection defense_evasion discovery execution agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.vilimorin.com
Port
21
Username
[email protected]
Password
}iSRINI_W0e]_DcQ

Signatures

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

Badlisted process makes network request 3 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
6	4448	powershell.exe
16	4448	powershell.exe
21	4448	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
16	4448	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation	wscript.exe

Indirect Command Execution 1 TTPs 1 IoCs

Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

defense_evasion

Indirect Command Execution

T1202

pid	Process
3416	forfiles.exe

Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs

persistence

Logon Script (Windows)

T1037.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Environment\UserInitMprLogonScript = "\"C:\\Windows\\System32\\wscript.exe\" \"C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\v1268\\v4407.js\""	wscript.exe

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	powershell.exe

Looks up external IP address via web service 1 TTPs 1 IoCs

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

discovery

Internet Connection Discovery

T1016.001

flow	ioc
20	ip-api.com

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4868	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4448	powershell.exe
4448	powershell.exe
4448	powershell.exe
4448	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4448	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 3416	1552	wscript.exe	84
PID 3416 wrote to memory of 4868	3416	forfiles.exe	86
PID 4868 wrote to memory of 4712	4868	cmd.exe	87
PID 4868 wrote to memory of 4448	4868	cmd.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	powershell.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.js"
1⤵
- Checks computer location settings
- Registers new Windows logon scripts automatically executed at logon.
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\System32\forfiles.exe
  "C:\Windows\System32\forfiles.exe" /p C:\Windows\System32 /m winver.exe /c "cmd /v:on /d /c echo !BeMGxDpvRsoNHal!|powershell.exe -W H -nOp -NOni -"
  2⤵
  - Indirect Command Execution
  - Suspicious use of WriteProcessMemory
  PID:3416
- - C:\Windows\System32\cmd.exe
    /v:on /d /c echo !BeMGxDpvRsoNHal!|powershell.exe -W H -nOp -NOni -
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:4868
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo [void][powershell]::Create().AddScript([Environment]::GetEnvironmentVariable('D3EjFrU7pm','Process')).Invoke()"
      4⤵
      PID:4712
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -W H -nOp -NOni -
      4⤵
      Badlisted process makes network request
      Downloads MZ/PE file
      Accesses Microsoft Outlook profiles
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      outlook_office_path
      PID:4448

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Initialization Scripts

1

T1037

Logon Script (Windows)

1

T1037.001

Privilege Escalation

Boot or Logon Initialization Scripts

1

T1037

Logon Script (Windows)

1

T1037.001

Defense Evasion

Indirect Command Execution

1

T1202

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_cqcuvb42.pcy.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cqcuvb42.pcy.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4448-1-0x000001416C5F0000-0x000001416C600000-memory.dmp

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memory/4448-2-0x000001416C5F0000-0x000001416C600000-memory.dmp

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memory/4448-10-0x000001416C5A0000-0x000001416C5C2000-memory.dmp

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memory/4448-11-0x000001416E870000-0x000001416E8BE000-memory.dmp

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memory/4448-12-0x000001416E8C0000-0x000001416E8D2000-memory.dmp

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memory/4448-14-0x000001416C5F0000-0x000001416C600000-memory.dmp

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memory/4448-13-0x000001416C5F0000-0x000001416C600000-memory.dmp

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memory/4448-15-0x000001416E960000-0x000001416E9A2000-memory.dmp

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memory/4448-16-0x000001416EF40000-0x000001416EF90000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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