agenttesla | 128de5e09d0453bdce3abe943b88c72adb065971c9db3ee6e8075bd6651c356e

Resubmissions

13-02-2024 12:04

240213-n8wg3ahc2z 10

04-12-2023 18:50

231204-xg8gzsec21 10

04-12-2023 18:47

231204-xe7gxaec2v 10

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
04-12-2023 18:50

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General

Target

Kviitung_04-12-2023.exe
Size

626KB
MD5

a98f880aefb9f770cf0f280b6aabfc63
SHA1

9aa8fbe199f4f7386e418076438f72a958147f0c
SHA256

f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002a
SHA512

f2fc8169d950b39e1387a44613418196f70fb719e2c8ee055fd5f7cb18e73803dffe548f38a1653e22af8174ddaedf193b46ae30f8f8c84dcc3d1155e8076e8e
SSDEEP

12288:FI45+po2V1kWEOIVim9yY7gRMpMCuaA9NV+wuSyW4hIcKvSwkPAg:FL+pJQnJyY7gepOaA9NV+gyW4hIpKP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg3plcpnl0195.prod.sin3.secureserver.net
Port:
587
Username:
[email protected]
Password:
V#[email protected]&Qo!
Email To:
[email protected]

Signatures

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

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Kviitung_04-12-2023.exe

description pid process target process

PID 1516 set thread context of 2816 1516 Kviitung_04-12-2023.exe Kviitung_04-12-2023.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Kviitung_04-12-2023.exe

pid process

2816 Kviitung_04-12-2023.exe
2816 Kviitung_04-12-2023.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Kviitung_04-12-2023.exe

description pid process

Token: SeDebugPrivilege 2816 Kviitung_04-12-2023.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1516 set thread context of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe

pid	process
2816	Kviitung_04-12-2023.exe
2816	Kviitung_04-12-2023.exe

description	pid	process
Token: SeDebugPrivilege	2816	Kviitung_04-12-2023.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Kviitung_04-12-2023.exe

description	pid	process	target process
PID 1516 wrote to memory of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 1516 wrote to memory of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 1516 wrote to memory of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 1516 wrote to memory of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 1516 wrote to memory of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 1516 wrote to memory of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 1516 wrote to memory of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 1516 wrote to memory of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 1516 wrote to memory of 2816	1516	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe

C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe
"C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1516

C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe
"C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2816

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1516-0-0x00000000000A0000-0x0000000000142000-memory.dmp

Filesize
648KB

Download
memory/1516-1-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1516-2-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/1516-3-0x0000000000720000-0x0000000000738000-memory.dmp

Filesize
96KB

Download
memory/1516-4-0x0000000001EB0000-0x0000000001EB8000-memory.dmp

Filesize
32KB

Download
memory/1516-5-0x0000000001EC0000-0x0000000001ECA000-memory.dmp

Filesize
40KB

Download
memory/1516-6-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/1516-7-0x0000000005C20000-0x0000000005C9A000-memory.dmp

Filesize
488KB

Download
memory/1516-21-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2816-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2816-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2816-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2816-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2816-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2816-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2816-23-0x00000000049B0000-0x00000000049F0000-memory.dmp

Filesize
256KB

Download
memory/2816-22-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-24-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-25-0x00000000049B0000-0x00000000049F0000-memory.dmp

Filesize
256KB

Download