agenttesla | 0cd0a6bc207ec60b246ca649770b9d929ca3e094992521c9e129f33a2c436540

General

Target

MNB_563334445.exe
Size

730KB
MD5

41dde4ea5801628226aa404a8224cd92
SHA1

614de6ed8c1368fe98427dea146892b47d4072ee
SHA256

d2ff57828f62d0f0a99940da92c04fef6c1055842df04080ec5c45fdffa61674
SHA512

a8b5222da6c99cac7eb75f748647f106f98daae4ee5271e0e25085de0872805af885d2c5ae34278cfdf2ceab89baf17e12f78369574f7e4cfe5a5b4f8be86a5c
SSDEEP

12288:ZKyKE6jD/62iNG5nF819fAvCxPfu0zhqMpCJd1P/uLz6SIvYpQG:ZzKtD/61ICyvClu0qeCBWv6rvYpl

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6248079103:AAHguAsTEqW6RfyeC5Wjh_pmDy9cvQi28aU/

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MNB_563334445.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MNB_563334445.exe
Key opened	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MNB_563334445.exe
Key opened	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MNB_563334445.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

61 api.ipify.org
62 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

MNB_563334445.exe

description pid process target process

PID 1636 set thread context of 4800 1636 MNB_563334445.exe MNB_563334445.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MNB_563334445.exe

pid process

4800 MNB_563334445.exe
4800 MNB_563334445.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MNB_563334445.exe

description pid process

Token: SeDebugPrivilege 4800 MNB_563334445.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MNB_563334445.exe

pid process

4800 MNB_563334445.exe

flow	ioc
61	api.ipify.org
62	api.ipify.org

description	pid	process	target process
PID 1636 set thread context of 4800	1636	MNB_563334445.exe	MNB_563334445.exe

pid	process
4800	MNB_563334445.exe
4800	MNB_563334445.exe

description	pid	process
Token: SeDebugPrivilege	4800	MNB_563334445.exe

pid	process
4800	MNB_563334445.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

MNB_563334445.exe

description	pid	process	target process
PID 1636 wrote to memory of 4800	1636	MNB_563334445.exe	MNB_563334445.exe
PID 1636 wrote to memory of 4800	1636	MNB_563334445.exe	MNB_563334445.exe
PID 1636 wrote to memory of 4800	1636	MNB_563334445.exe	MNB_563334445.exe
PID 1636 wrote to memory of 4800	1636	MNB_563334445.exe	MNB_563334445.exe
PID 1636 wrote to memory of 4800	1636	MNB_563334445.exe	MNB_563334445.exe
PID 1636 wrote to memory of 4800	1636	MNB_563334445.exe	MNB_563334445.exe
PID 1636 wrote to memory of 4800	1636	MNB_563334445.exe	MNB_563334445.exe
PID 1636 wrote to memory of 4800	1636	MNB_563334445.exe	MNB_563334445.exe

outlook_office_path 1 IoCs

Processes:

MNB_563334445.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MNB_563334445.exe

outlook_win_path 1 IoCs

Processes:

MNB_563334445.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MNB_563334445.exe

C:\Users\Admin\AppData\Local\Temp\MNB_563334445.exe
"C:\Users\Admin\AppData\Local\Temp\MNB_563334445.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1636

C:\Users\Admin\AppData\Local\Temp\MNB_563334445.exe
"C:\Users\Admin\AppData\Local\Temp\MNB_563334445.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\MNB_563334445.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1636-10-0x0000000006700000-0x000000000676A000-memory.dmp

Filesize
424KB

Download
memory/1636-11-0x0000000006530000-0x00000000065CC000-memory.dmp

Filesize
624KB

Download
memory/1636-3-0x00000000052B0000-0x0000000005342000-memory.dmp

Filesize
584KB

Download
memory/1636-4-0x0000000002E10000-0x0000000002E20000-memory.dmp

Filesize
64KB

Download
memory/1636-5-0x0000000005380000-0x000000000538A000-memory.dmp

Filesize
40KB

Download
memory/1636-6-0x0000000005640000-0x0000000005658000-memory.dmp

Filesize
96KB

Download
memory/1636-7-0x0000000005670000-0x0000000005678000-memory.dmp

Filesize
32KB

Download
memory/1636-16-0x0000000002E10000-0x0000000002E20000-memory.dmp

Filesize
64KB

Download
memory/1636-9-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/1636-2-0x00000000059E0000-0x0000000005F84000-memory.dmp

Filesize
5.6MB

Download
memory/1636-8-0x00000000059A0000-0x00000000059AA000-memory.dmp

Filesize
40KB

Download
memory/1636-0-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/1636-1-0x0000000000820000-0x00000000008DC000-memory.dmp

Filesize
752KB

Download
memory/1636-18-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/4800-19-0x0000000006F50000-0x0000000006FA0000-memory.dmp

Filesize
320KB

Download
memory/4800-17-0x0000000005790000-0x00000000057F6000-memory.dmp

Filesize
408KB

Download
memory/4800-15-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/4800-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4800-20-0x0000000007170000-0x0000000007332000-memory.dmp

Filesize
1.8MB

Download
memory/4800-30-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads