agenttesla | 149e5bfb4a5b094cbf9ace6afff4b288d35a14ee8691a607d1b94752b97d4710

General

Target

4c2144b8a3ccbfcfa70ad01055325972.exe
Size

906KB
MD5

4c2144b8a3ccbfcfa70ad01055325972
SHA1

6c77beccfcc586d88694819b98e5cd269da744d3
SHA256

149e5bfb4a5b094cbf9ace6afff4b288d35a14ee8691a607d1b94752b97d4710
SHA512

01fce95f9e6cf783bbd95163937d5b536c111e94eb2efd3cc058a9d38d652bb0157f3710e744d4b0787dab1ff95544f7aa8fdeb2d7c9d415dfcfe5098e24cc93
SSDEEP

12288:UiDc9F3nC0Py3gAhDINy2zlrh3zw0zdGhcpLl6kjz9JeXFrrUj6sM5HgR:UngEr1LdZ1jz9MXhdsM5Hg

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.vector-kl.com
Port:
587
Username:
[email protected]
Password:
VickyVectorKL202)
Email To:
[email protected]

Signatures

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

AgentTesla payload 7 IoCs

resource	yara_rule
behavioral1/memory/2628-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2628-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2628-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2628-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2628-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2628-28-0x0000000000D70000-0x0000000000DB0000-memory.dmp	family_agenttesla
behavioral1/memory/2628-30-0x0000000000D70000-0x0000000000DB0000-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 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-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe
Key opened	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe
Key opened	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2652 set thread context of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2652	4c2144b8a3ccbfcfa70ad01055325972.exe
2652	4c2144b8a3ccbfcfa70ad01055325972.exe
2628	4c2144b8a3ccbfcfa70ad01055325972.exe
2628	4c2144b8a3ccbfcfa70ad01055325972.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	4c2144b8a3ccbfcfa70ad01055325972.exe
Token: SeDebugPrivilege	2628	4c2144b8a3ccbfcfa70ad01055325972.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2628	4c2144b8a3ccbfcfa70ad01055325972.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2668	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	28
PID 2652 wrote to memory of 2668	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	28
PID 2652 wrote to memory of 2668	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	28
PID 2652 wrote to memory of 2668	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	28
PID 2652 wrote to memory of 3028	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	30
PID 2652 wrote to memory of 3028	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	30
PID 2652 wrote to memory of 3028	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	30
PID 2652 wrote to memory of 3028	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	30
PID 2652 wrote to memory of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31
PID 2652 wrote to memory of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31
PID 2652 wrote to memory of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31
PID 2652 wrote to memory of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31
PID 2652 wrote to memory of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31
PID 2652 wrote to memory of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31
PID 2652 wrote to memory of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31
PID 2652 wrote to memory of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31
PID 2652 wrote to memory of 2628	2652	4c2144b8a3ccbfcfa70ad01055325972.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe

C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe
"C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DnxRlAXzQJuuBn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0FE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2668
- C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe
  "C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe"
  2⤵
  PID:3028
- C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe
  "C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC0FE.tmp

Filesize
1KB

MD5
ffe188b52d64d9cb84eead4d7548e7b3

SHA1
8ca9f735cc8ff4baf83a61fa6e6271c3be73899c

SHA256
586ad8991f097872883fa59d80503cb54d20104b5a4bb6eabc88b4d9d9d51aec

SHA512
5936bb71206ec87f56477e802e973fc1118d826a409ba6bbd7dacf095ddf03eb6c7c6914ca764a2450581f1f2c02ed5c3006701577948dfdeb74091cc2fc969d

Download Submit
memory/2628-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2628-27-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2628-30-0x0000000000D70000-0x0000000000DB0000-memory.dmp

Filesize
256KB

Download
memory/2628-29-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2628-28-0x0000000000D70000-0x0000000000DB0000-memory.dmp

Filesize
256KB

Download
memory/2628-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2628-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2628-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2628-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2628-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2628-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2652-2-0x0000000005280000-0x00000000052C0000-memory.dmp

Filesize
256KB

Download
memory/2652-1-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2652-0-0x0000000001030000-0x000000000111A000-memory.dmp

Filesize
936KB

Download
memory/2652-7-0x00000000051F0000-0x0000000005240000-memory.dmp

Filesize
320KB

Download
memory/2652-6-0x0000000004CC0000-0x0000000004D76000-memory.dmp

Filesize
728KB

Download
memory/2652-26-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2652-5-0x0000000005280000-0x00000000052C0000-memory.dmp

Filesize
256KB

Download
memory/2652-4-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2652-3-0x0000000000420000-0x0000000000438000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads