agenttesla | 9cb2168fe77ee07a8745aad7049e26e26da4a0731f2dcd77325db1f40ed0dcd0

General

Target

c641f131f435c9267a6647aa8e300514.exe
Size

840KB
MD5

c641f131f435c9267a6647aa8e300514
SHA1

51e77baba4bd33688742c5ac381ac7ccf72a2ce3
SHA256

9cb2168fe77ee07a8745aad7049e26e26da4a0731f2dcd77325db1f40ed0dcd0
SHA512

ad3ad15c453d8c9c52ad7e20c760d8f1fcc11c0cfd0fce9aaf40a960342d6d3070a5a9d34408effbe82eb6aecbc7a907eec137b838b0cfb8bb24bc52d8740a30
SSDEEP

24576:EFBXznmofOeFQno+z8rHcyE+if9kPPpLnS:EFBjnmQKgrBhn

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5589795934:AAHugQQYeiLHkRNl6c1_ntNzp_Ud_zOwM74/

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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c641f131f435c9267a6647aa8e300514.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c641f131f435c9267a6647aa8e300514.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c641f131f435c9267a6647aa8e300514.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\napp = "C:\\Users\\Admin\\AppData\\Roaming\\napp\\napp.exe"	c641f131f435c9267a6647aa8e300514.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1104 set thread context of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1104	c641f131f435c9267a6647aa8e300514.exe
1104	c641f131f435c9267a6647aa8e300514.exe
460	c641f131f435c9267a6647aa8e300514.exe
460	c641f131f435c9267a6647aa8e300514.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	c641f131f435c9267a6647aa8e300514.exe
Token: SeDebugPrivilege	460	c641f131f435c9267a6647aa8e300514.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27
PID 1104 wrote to memory of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27
PID 1104 wrote to memory of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27
PID 1104 wrote to memory of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27
PID 1104 wrote to memory of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27
PID 1104 wrote to memory of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27
PID 1104 wrote to memory of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27
PID 1104 wrote to memory of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27
PID 1104 wrote to memory of 460	1104	c641f131f435c9267a6647aa8e300514.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c641f131f435c9267a6647aa8e300514.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c641f131f435c9267a6647aa8e300514.exe

C:\Users\Admin\AppData\Local\Temp\c641f131f435c9267a6647aa8e300514.exe
"C:\Users\Admin\AppData\Local\Temp\c641f131f435c9267a6647aa8e300514.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Users\Admin\AppData\Local\Temp\c641f131f435c9267a6647aa8e300514.exe
  "C:\Users\Admin\AppData\Local\Temp\c641f131f435c9267a6647aa8e300514.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:460

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

Replay Monitor

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Downloads

memory/460-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/460-59-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/460-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/460-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/460-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/460-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/460-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1104-55-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/1104-56-0x0000000000520000-0x0000000000536000-memory.dmp

Filesize
88KB

Download
memory/1104-57-0x0000000008690000-0x0000000008724000-memory.dmp

Filesize
592KB

Download
memory/1104-58-0x0000000000DA0000-0x0000000000DDA000-memory.dmp

Filesize
232KB

Download
memory/1104-54-0x0000000000FC0000-0x0000000001098000-memory.dmp

Filesize
864KB

Download

Analysis

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