agenttesla | 2559b8cbee0b06ed368190ca92de667a9a6175888a93fb3834ec1f1bb2b64f83

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 01:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO#VPP240570-11.exe	Powershell.exe
File created	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/4152-6-0x0000000006A10000-0x0000000006A58000-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/4152-6-0x0000000006A10000-0x0000000006A58000-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-1-5-21-200405930-3877336739-3533750831-1000\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

31 api.ipify.org
32 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#VPP240570-11.exe

description pid process target process

PID 4152 set thread context of 4204 4152 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

1628 Powershell.exe

flow	ioc
31	api.ipify.org
32	api.ipify.org

description	pid	process	target process
PID 4152 set thread context of 4204	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe

pid	process
1628	Powershell.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

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

pid	process
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
1628	Powershell.exe
1628	Powershell.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4152	PO#VPP240570-11.exe
4204	PO#VPP240570-11.exe
4204	PO#VPP240570-11.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

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

description pid process

Token: SeDebugPrivilege 4152 PO#VPP240570-11.exe
Token: SeDebugPrivilege 1628 Powershell.exe
Token: SeDebugPrivilege 4204 PO#VPP240570-11.exe

description	pid	process
Token: SeDebugPrivilege	4152	PO#VPP240570-11.exe
Token: SeDebugPrivilege	1628	Powershell.exe
Token: SeDebugPrivilege	4204	PO#VPP240570-11.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

PO#VPP240570-11.exe

description	pid	process	target process
PID 4152 wrote to memory of 1628	4152	PO#VPP240570-11.exe	Powershell.exe
PID 4152 wrote to memory of 1628	4152	PO#VPP240570-11.exe	Powershell.exe
PID 4152 wrote to memory of 1628	4152	PO#VPP240570-11.exe	Powershell.exe
PID 4152 wrote to memory of 4924	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4924	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4924	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4204	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4204	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4204	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4204	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4204	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4204	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4204	4152	PO#VPP240570-11.exe	PO#VPP240570-11.exe
PID 4152 wrote to memory of 4204	4152	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:4152

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:1628

C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe
"C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe"
2⤵
PID:4924

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:4204

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO#VPP240570-11.exe.log
Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_edacbxee.w0o.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1628-25-0x0000000005990000-0x0000000005CE4000-memory.dmp

Filesize
3.3MB

Download
memory/1628-9-0x0000000002650000-0x0000000002686000-memory.dmp

Filesize
216KB

Download
memory/1628-34-0x0000000006F60000-0x0000000006FF6000-memory.dmp

Filesize
600KB

Download
memory/1628-32-0x00000000064D0000-0x000000000651C000-memory.dmp

Filesize
304KB

Download
memory/1628-29-0x0000000005F60000-0x0000000005F7E000-memory.dmp

Filesize
120KB

Download
memory/1628-36-0x0000000006440000-0x0000000006462000-memory.dmp

Filesize
136KB

Download
memory/1628-24-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/1628-35-0x00000000063F0000-0x000000000640A000-memory.dmp

Filesize
104KB

Download
memory/1628-10-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/1628-11-0x0000000005110000-0x0000000005738000-memory.dmp

Filesize
6.2MB

Download
memory/1628-12-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/1628-13-0x00000000050D0000-0x00000000050F2000-memory.dmp

Filesize
136KB

Download
memory/1628-40-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/1628-14-0x00000000058B0000-0x0000000005916000-memory.dmp

Filesize
408KB

Download
memory/4152-7-0x0000000006C00000-0x0000000006C9C000-memory.dmp

Filesize
624KB

Download
memory/4152-3-0x00000000055B0000-0x0000000005642000-memory.dmp

Filesize
584KB

Download
memory/4152-1-0x0000000000B90000-0x0000000000B9E000-memory.dmp

Filesize
56KB

Download
memory/4152-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/4152-6-0x0000000006A10000-0x0000000006A58000-memory.dmp

Filesize
288KB

Download
memory/4152-31-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4152-5-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4152-2-0x0000000005B60000-0x0000000006104000-memory.dmp

Filesize
5.6MB

Download
memory/4152-8-0x0000000006CA0000-0x0000000006D06000-memory.dmp

Filesize
408KB

Download
memory/4152-4-0x0000000005590000-0x000000000559A000-memory.dmp

Filesize
40KB

Download
memory/4204-33-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-30-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4204-42-0x00000000067F0000-0x0000000006840000-memory.dmp

Filesize
320KB

Download
memory/4204-43-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download