agenttesla | 6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0

General

Target

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Size

770KB
MD5

1ebb3bdbff7609fed911a72e3706fe8b
SHA1

66a03f5934d58cf32f5691e5975c4224d722a105
SHA256

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0
SHA512

4ed49c4f92e32cda7eb81b997956dc4f3785fd180104f2d6fbc886d208df8f404e88346c1eedd73600398fceb3d695da3554047431dd455aee8eda72a9d15c90
SSDEEP

12288:ccboBmYWu1Qr5U7k9mWSZSdM+r1RVIuggUJSc:uWjrQwmfUvfOSc

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.penavico--cz.com
Port:
587
Username:
[email protected]
Password:
Fq$L%J((!6

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/5028-9-0x0000000000800000-0x000000000083C000-memory.dmp	family_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 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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5020 set thread context of 5028	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5028	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
5028	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Token: SeDebugPrivilege	5028	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 5028	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	91
PID 5020 wrote to memory of 5028	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	91
PID 5020 wrote to memory of 5028	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	91
PID 5020 wrote to memory of 5028	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	91
PID 5020 wrote to memory of 5028	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	91
PID 5020 wrote to memory of 5028	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	91
PID 5020 wrote to memory of 5028	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	91
PID 5020 wrote to memory of 5028	5020	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

C:\Users\Admin\AppData\Local\Temp\6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
"C:\Users\Admin\AppData\Local\Temp\6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Users\Admin\AppData\Local\Temp\6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
  "C:\Users\Admin\AppData\Local\Temp\6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5028

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

4

T1552.001

Discovery

System Information Discovery

1

T1082

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/5020-13-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5020-1-0x0000000000360000-0x0000000000426000-memory.dmp

Filesize
792KB

Download
memory/5020-2-0x0000000006270000-0x0000000006814000-memory.dmp

Filesize
5.6MB

Download
memory/5020-3-0x0000000005AD0000-0x0000000005B62000-memory.dmp

Filesize
584KB

Download
memory/5020-4-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5020-5-0x0000000005C80000-0x0000000005C8A000-memory.dmp

Filesize
40KB

Download
memory/5020-6-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/5020-7-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5020-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/5028-8-0x0000000000430000-0x0000000000450000-memory.dmp

Filesize
128KB

Download
memory/5028-10-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5028-11-0x0000000004E50000-0x0000000004EEC000-memory.dmp

Filesize
624KB

Download
memory/5028-12-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5028-9-0x0000000000800000-0x000000000083C000-memory.dmp

Filesize
240KB

Download
memory/5028-14-0x0000000004EF0000-0x0000000004F08000-memory.dmp

Filesize
96KB

Download
memory/5028-15-0x0000000005C20000-0x0000000005C86000-memory.dmp

Filesize
408KB

Download
memory/5028-16-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5028-17-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5028-18-0x0000000004CA0000-0x0000000004CF0000-memory.dmp

Filesize
320KB

Download

Analysis

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