agenttesla | 53e783f631c34e99542a61f54c5fd1710453905756ab4119fb557efb7308cee8

General

Target

376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
Size

703KB
MD5

5043a1ad66e5543173060e6e86861518
SHA1

5009486ea0cc4a79970d5ff5f8708568c4ac6943
SHA256

376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f
SHA512

a530b28d88e058fce759559b22d395f9e911a019bcb91615acb24c2faa09a40214827e9ec565c3355fa067f74b25e7360f7036f8293d728b5fb6c6d749c0e9aa
SSDEEP

12288:N+2iNjJS4VcETbGZDKeSSTfDqqMQ5TZA9D5SQl7u6ps9Age1SWg+jsRFoyD:Q1XSccobGVvVPqEvWbl7uj9Y1yeEFN

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.hsbv1.nl
Port:
587
Username:
[email protected]
Password:
xdDPyH(8
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.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.

flow	ioc
15	api.ipify.org
16	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4636 set thread context of 1500	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	90

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
1500	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
1500	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
Token: SeDebugPrivilege	1500	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 1936	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	89
PID 4636 wrote to memory of 1936	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	89
PID 4636 wrote to memory of 1936	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	89
PID 4636 wrote to memory of 1500	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	90
PID 4636 wrote to memory of 1500	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	90
PID 4636 wrote to memory of 1500	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	90
PID 4636 wrote to memory of 1500	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	90
PID 4636 wrote to memory of 1500	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	90
PID 4636 wrote to memory of 1500	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	90
PID 4636 wrote to memory of 1500	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	90
PID 4636 wrote to memory of 1500	4636	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe

C:\Users\Admin\AppData\Local\Temp\376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
"C:\Users\Admin\AppData\Local\Temp\376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Users\Admin\AppData\Local\Temp\376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
  "C:\Users\Admin\AppData\Local\Temp\376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe"
  2⤵
  PID:1936
- C:\Users\Admin\AppData\Local\Temp\376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
  "C:\Users\Admin\AppData\Local\Temp\376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1500-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1500-18-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1500-17-0x0000000007030000-0x0000000007080000-memory.dmp

Filesize
320KB

Download
memory/1500-16-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1500-15-0x0000000005840000-0x00000000058A6000-memory.dmp

Filesize
408KB

Download
memory/1500-13-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4636-8-0x0000000006220000-0x00000000062A4000-memory.dmp

Filesize
528KB

Download
memory/4636-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/4636-9-0x00000000089A0000-0x0000000008A3C000-memory.dmp

Filesize
624KB

Download
memory/4636-7-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/4636-6-0x00000000050F0000-0x0000000005108000-memory.dmp

Filesize
96KB

Download
memory/4636-14-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4636-5-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4636-4-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

Filesize
40KB

Download
memory/4636-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/4636-2-0x00000000051D0000-0x0000000005774000-memory.dmp

Filesize
5.6MB

Download
memory/4636-1-0x00000000001F0000-0x00000000002A6000-memory.dmp

Filesize
728KB

Download

Analysis

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