agenttesla | 182331744034256219e7dae6622320d177919e1db142a0f929835d57dac221dd

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 14:11

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General

Target

PO#VPP240570-11.exe
Size

27KB
MD5

a672e616588d43b143bb45fc0da7932a
SHA1

3946cf8618f8bfbc10a8aea36f8401415b20139e
SHA256

668ee22f01a50289688d2dc22f4b1a591e5ee9165ee6963b724c506f4244105b
SHA512

cd792513b93367f6e60256244afc12bb1c78fe97eeae9b78c9534af93822f8a83c9537d335c5cb198c74f3b3ff1ed72158b2ea7367d3d9cadb88c53b20107ed5
SSDEEP

768:IFjxqS8T9Txy9ZCoojXAD5MeEsw8PfgGqpIS:IFjm9TMxCYIGqpP

Score

10^/10

agenttesla agilenet execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cpns2.citechco.net
Port:
587
Username:
[email protected]
Password:
admin@123A
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\PO#VPP240570-11.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO#VPP240570-11.exe	Powershell.exe

Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
agilenet

Processes:

resource yara_rule

behavioral2/memory/4780-6-0x0000000006100000-0x0000000006148000-memory.dmp agile_net
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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

resource	yara_rule
behavioral2/memory/4780-6-0x0000000006100000-0x0000000006148000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

PO#VPP240570-11.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	PO#VPP240570-11.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

19 api.ipify.org
20 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#VPP240570-11.exe

description pid process target process

PID 4780 set thread context of 2108 4780 PO#VPP240570-11.exe PO#VPP240570-11.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

Powershell.exe

pid process

2628 Powershell.exe

flow	ioc
19	api.ipify.org
20	api.ipify.org

description	pid	process	target process
PID 4780 set thread context of 2108	4780	PO#VPP240570-11.exe	PO#VPP240570-11.exe

pid	process
2628	Powershell.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

PO#VPP240570-11.exePowershell.exePO#VPP240570-11.exe

pid	process
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
2628	Powershell.exe
2628	Powershell.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
4780	PO#VPP240570-11.exe
2108	PO#VPP240570-11.exe
2108	PO#VPP240570-11.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO#VPP240570-11.exePowershell.exePO#VPP240570-11.exe

description pid process

Token: SeDebugPrivilege 4780 PO#VPP240570-11.exe
Token: SeDebugPrivilege 2628 Powershell.exe
Token: SeDebugPrivilege 2108 PO#VPP240570-11.exe

description	pid	process
Token: SeDebugPrivilege	4780	PO#VPP240570-11.exe
Token: SeDebugPrivilege	2628	Powershell.exe
Token: SeDebugPrivilege	2108	PO#VPP240570-11.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO#VPP240570-11.exe

description	pid	process	target process
PID 4780 wrote to memory of 2628	4780	PO#VPP240570-11.exe	Powershell.exe
PID 4780 wrote to memory of 2628	4780	PO#VPP240570-11.exe	Powershell.exe
PID 4780 wrote to memory of 2628	4780	PO#VPP240570-11.exe	Powershell.exe
PID 4780 wrote to memory of 2108	4780	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4780 wrote to memory of 2108	4780	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4780 wrote to memory of 2108	4780	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4780 wrote to memory of 2108	4780	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4780 wrote to memory of 2108	4780	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4780 wrote to memory of 2108	4780	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4780 wrote to memory of 2108	4780	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4780 wrote to memory of 2108	4780	PO#VPP240570-11.exe	PO#VPP240570-11.exe

C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe
"C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO#VPP240570-11.exe' -Force
2⤵
- Drops startup file
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628

C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe
"C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2108

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j4btrp5w.im2.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2108-42-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/2108-41-0x0000000006FD0000-0x0000000007020000-memory.dmp

Filesize
320KB

Download
memory/2108-32-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/2108-29-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/2108-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2628-15-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/2628-21-0x00000000055B0000-0x0000000005904000-memory.dmp

Filesize
3.3MB

Download
memory/2628-39-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/2628-9-0x0000000002290000-0x00000000022C6000-memory.dmp

Filesize
216KB

Download
memory/2628-10-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/2628-12-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/2628-11-0x0000000004EA0000-0x00000000054C8000-memory.dmp

Filesize
6.2MB

Download
memory/2628-13-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/2628-34-0x00000000060A0000-0x00000000060BA000-memory.dmp

Filesize
104KB

Download
memory/2628-14-0x0000000004D00000-0x0000000004D22000-memory.dmp

Filesize
136KB

Download
memory/2628-35-0x00000000060F0000-0x0000000006112000-memory.dmp

Filesize
136KB

Download
memory/2628-33-0x0000000006B80000-0x0000000006C16000-memory.dmp

Filesize
600KB

Download
memory/2628-26-0x0000000005BB0000-0x0000000005BCE000-memory.dmp

Filesize
120KB

Download
memory/2628-27-0x0000000005C40000-0x0000000005C8C000-memory.dmp

Filesize
304KB

Download
memory/4780-5-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4780-4-0x0000000004D00000-0x0000000004D0A000-memory.dmp

Filesize
40KB

Download
memory/4780-31-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4780-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/4780-6-0x0000000006100000-0x0000000006148000-memory.dmp

Filesize
288KB

Download
memory/4780-7-0x00000000062F0000-0x000000000638C000-memory.dmp

Filesize
624KB

Download
memory/4780-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/4780-8-0x0000000006390000-0x00000000063F6000-memory.dmp

Filesize
408KB

Download
memory/4780-2-0x0000000005290000-0x0000000005834000-memory.dmp

Filesize
5.6MB

Download
memory/4780-1-0x0000000000390000-0x000000000039E000-memory.dmp

Filesize
56KB

Download