agenttesla | 376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f

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

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

resource	yara_rule
behavioral1/memory/2960-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2960-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2960-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2960-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2960-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2960	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe
2960	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2960	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28
PID 2512 wrote to memory of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28
PID 2512 wrote to memory of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28
PID 2512 wrote to memory of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28
PID 2512 wrote to memory of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28
PID 2512 wrote to memory of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28
PID 2512 wrote to memory of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28
PID 2512 wrote to memory of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28
PID 2512 wrote to memory of 2960	2512	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	376cfdc4a0a3cb51334e62515ecb7d3ca3bfbdc0843d1066411c71a205ede03f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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 use of WriteProcessMemory
PID:2512
- 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:2960

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

memory/2512-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2512-1-0x00000000012E0000-0x0000000001396000-memory.dmp

Filesize
728KB

Download
memory/2512-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2512-3-0x00000000006D0000-0x00000000006E8000-memory.dmp

Filesize
96KB

Download
memory/2512-4-0x0000000000350000-0x0000000000360000-memory.dmp

Filesize
64KB

Download
memory/2512-5-0x00000000047A0000-0x0000000004824000-memory.dmp

Filesize
528KB

Download
memory/2512-18-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2960-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2960-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-17-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2960-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-19-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2960-20-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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