agenttesla | 9ee9e268ed3675aec15103ee42b8888a2524ca681071439675817e223761845e

General

Target

0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe
Size

530KB
MD5

b30d3ec99edbf715c40688d1c74ea4b6
SHA1

88ba4406b6e93154ded0c6f6c684177c75eface5
SHA256

0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17
SHA512

686b155b4a0788a4351d0a1297847431cc41049c8cf6705afdd2803e565faca6ba4f30104c8d57036d12e9775c85781a41ad9cf2336f9099849a9deb7f7b7936
SSDEEP

12288:30lXKEVPcGlla0Yi7ukUSh4to2+RYs++5QO0Z3G+6Y:30l6ETlJ5ukv4tl+RYs75zU6

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
C%)%GWZe9

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/5112-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2472 set thread context of 5112	2472	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe	95

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	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5112	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe
5112	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5112	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 5112	2472	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe	95
PID 2472 wrote to memory of 5112	2472	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe	95
PID 2472 wrote to memory of 5112	2472	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe	95
PID 2472 wrote to memory of 5112	2472	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe	95
PID 2472 wrote to memory of 5112	2472	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe	95
PID 2472 wrote to memory of 5112	2472	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe	95
PID 2472 wrote to memory of 5112	2472	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe	95
PID 2472 wrote to memory of 5112	2472	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe

C:\Users\Admin\AppData\Local\Temp\0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe
"C:\Users\Admin\AppData\Local\Temp\0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe
  "C:\Users\Admin\AppData\Local\Temp\0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.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:5112

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

5

T1552

Credentials In Files

4

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0438b9fd849f4116d4c8d21fcebf1eebc23d7e92553ef1c2d8bf3ab7846efb17.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2472-10-0x0000000009270000-0x00000000092D0000-memory.dmp

Filesize
384KB

Download
memory/2472-1-0x0000000000C60000-0x0000000000CEA000-memory.dmp

Filesize
552KB

Download
memory/2472-3-0x0000000007BC0000-0x0000000007C52000-memory.dmp

Filesize
584KB

Download
memory/2472-5-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/2472-4-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/2472-6-0x0000000007F10000-0x0000000007F1E000-memory.dmp

Filesize
56KB

Download
memory/2472-7-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/2472-8-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/2472-9-0x0000000009120000-0x00000000091BC000-memory.dmp

Filesize
624KB

Download
memory/2472-15-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/2472-2-0x0000000008090000-0x0000000008634000-memory.dmp

Filesize
5.6MB

Download
memory/2472-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/5112-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5112-14-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/5112-16-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/5112-17-0x0000000005120000-0x0000000005138000-memory.dmp

Filesize
96KB

Download
memory/5112-18-0x0000000005DE0000-0x0000000005E46000-memory.dmp

Filesize
408KB

Download
memory/5112-19-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/5112-20-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/5112-21-0x0000000006360000-0x00000000063B0000-memory.dmp

Filesize
320KB

Download
memory/5112-22-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/5112-23-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download

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