agenttesla | 4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26

General

Target

4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe
Size

1.3MB
MD5

bf854d670f4375ec576fa03c72f724eb
SHA1

89e6d464a771cb67b4ff6c17d5d850675e0ffa91
SHA256

4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26
SHA512

fd5b33b3c95568a9c70357da98a5bf24a5f0bf99f4e00a01242493907ae6e47f5d3473d73ae797c75396aa65f861dea9c826eb0dadcfc79f770c57578afe71da
SSDEEP

24576:SuQFjpT6r96ixvI/Aj0/e60AYmv9v1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:S5Z6R/I7/ymjLoyEkmZ9Y14

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
NXDV(FW7
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31
PID 2084 wrote to memory of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31
PID 2084 wrote to memory of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31
PID 2084 wrote to memory of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31
PID 2084 wrote to memory of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31
PID 2084 wrote to memory of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31
PID 2084 wrote to memory of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31
PID 2084 wrote to memory of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31
PID 2084 wrote to memory of 2848	2084	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe

C:\Users\Admin\AppData\Local\Temp\4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe
"C:\Users\Admin\AppData\Local\Temp\4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Users\Admin\AppData\Local\Temp\4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe
  "C:\Users\Admin\AppData\Local\Temp\4cdc4a2380f91ac7c463a157e3e4c5ce7711871de0af789c592d6e5d0ca68d26.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2084-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/2084-1-0x00000000010B0000-0x000000000120C000-memory.dmp

Filesize
1.4MB

Download
memory/2084-2-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-3-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/2084-4-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/2084-5-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-6-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2084-7-0x0000000005200000-0x000000000526A000-memory.dmp

Filesize
424KB

Download
memory/2084-8-0x0000000000960000-0x0000000000992000-memory.dmp

Filesize
200KB

Download
memory/2084-25-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-23-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2848-21-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2848-19-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2848-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2848-13-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2848-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2848-24-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2848-26-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-27-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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