agenttesla | a6b4c1b3989ff2831e4c4ca222fd3929d2e8b74d27f05e1b8dbb046e5e9be627

General

Target
6094c59739e4f96c740e1b31669382fd.exe
Size 786KB
Sample220815-twypjsdafp
SHA256 a6b4c1b3989ff2831e4c4ca222fd3929d2e8b74d27f05e1b8dbb046e5e9be627
MD5 6094c59739e4f96c740e1b31669382fd
SHA1 cee1d7c5c1d66c1bfc1b716f14a53564cced593d
SHA512 fc14baafd20f94ce6f968b029b3ee7ea98771afd1625e271a443143f0e623285c0da31d620b76b8d2c6eff8dc89e77dd5aec536882885e5e5c6df551f585200b
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
smtp.mail.ru
Port
587
Username
[email protected]
Password
TPmQhqUeTrjr5F0jeym2

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.mail.ru
Port
587
Username
[email protected]
Password
TPmQhqUeTrjr5F0jeym2

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6094c59739e4f96c740e1b31669382fd.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6094c59739e4f96c740e1b31669382fd.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6094c59739e4f96c740e1b31669382fd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsNetwork = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsNetwork\\WindowsNetwork.exe"	6094c59739e4f96c740e1b31669382fd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4756 set thread context of 3496	4756	6094c59739e4f96c740e1b31669382fd.exe	77

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3496	6094c59739e4f96c740e1b31669382fd.exe
3496	6094c59739e4f96c740e1b31669382fd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3496	6094c59739e4f96c740e1b31669382fd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3496	6094c59739e4f96c740e1b31669382fd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 3496	4756	6094c59739e4f96c740e1b31669382fd.exe	77
PID 4756 wrote to memory of 3496	4756	6094c59739e4f96c740e1b31669382fd.exe	77
PID 4756 wrote to memory of 3496	4756	6094c59739e4f96c740e1b31669382fd.exe	77
PID 4756 wrote to memory of 3496	4756	6094c59739e4f96c740e1b31669382fd.exe	77
PID 4756 wrote to memory of 3496	4756	6094c59739e4f96c740e1b31669382fd.exe	77
PID 4756 wrote to memory of 3496	4756	6094c59739e4f96c740e1b31669382fd.exe	77
PID 4756 wrote to memory of 3496	4756	6094c59739e4f96c740e1b31669382fd.exe	77
PID 4756 wrote to memory of 3496	4756	6094c59739e4f96c740e1b31669382fd.exe	77

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6094c59739e4f96c740e1b31669382fd.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6094c59739e4f96c740e1b31669382fd.exe

C:\Users\Admin\AppData\Local\Temp\6094c59739e4f96c740e1b31669382fd.exe
"C:\Users\Admin\AppData\Local\Temp\6094c59739e4f96c740e1b31669382fd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Users\Admin\AppData\Local\Temp\6094c59739e4f96c740e1b31669382fd.exe
  "C:\Users\Admin\AppData\Local\Temp\6094c59739e4f96c740e1b31669382fd.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

6094c59739e4f96c740e1b31669382fd.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6094c59739e4f96c740e1b31669382fd.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/3496-138-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/3496-140-0x0000000006270000-0x00000000062D6000-memory.dmp

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memory/3496-141-0x0000000006970000-0x00000000069C0000-memory.dmp

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memory/4756-132-0x0000000000D00000-0x0000000000DCA000-memory.dmp

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memory/4756-133-0x0000000005D30000-0x00000000062D4000-memory.dmp

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memory/4756-134-0x0000000005780000-0x0000000005812000-memory.dmp

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memory/4756-135-0x00000000058D0000-0x00000000058DA000-memory.dmp

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memory/4756-136-0x0000000009570000-0x000000000960C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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