agenttesla | a5c75ec873c2a78053c005643502e641ea4dd277873381ca668a003832e43d28

General

Target

88c202459761c4aeb84e861956b14625.exe
Size

863KB
MD5

88c202459761c4aeb84e861956b14625
SHA1

7088482425d30cdb934cfb8e727693ad54b43ada
SHA256

a5c75ec873c2a78053c005643502e641ea4dd277873381ca668a003832e43d28
SHA512

1a17ac155bd2409e201fca6ea57f2d4a79211da6901b5e9da20ddea2fccbdc61dfda77ecd1a65b22ca93cd6e855c11dec153ce6fda52be3fa508b880353f6ccb
SSDEEP

12288:CXTqEm6VhXE1H5hYHF5d2x3qja5qx2LcijiGOfJYvySslouAF8:CjqmVhXEZ5hYjk3qjV2oijiGOhxL+tF

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
%2B
Port:
21
Username:
application/x-www-form-urlencoded
Password:
image/jpg

C2

p=

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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	88c202459761c4aeb84e861956b14625.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	88c202459761c4aeb84e861956b14625.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	88c202459761c4aeb84e861956b14625.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\HTvzq = "C:\\Users\\Admin\\AppData\\Roaming\\HTvzq\\HTvzq.exe"	88c202459761c4aeb84e861956b14625.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 860 set thread context of 1528	860	88c202459761c4aeb84e861956b14625.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1528	88c202459761c4aeb84e861956b14625.exe
1528	88c202459761c4aeb84e861956b14625.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1528	88c202459761c4aeb84e861956b14625.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1528	88c202459761c4aeb84e861956b14625.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1528	860	88c202459761c4aeb84e861956b14625.exe	27
PID 860 wrote to memory of 1528	860	88c202459761c4aeb84e861956b14625.exe	27
PID 860 wrote to memory of 1528	860	88c202459761c4aeb84e861956b14625.exe	27
PID 860 wrote to memory of 1528	860	88c202459761c4aeb84e861956b14625.exe	27
PID 860 wrote to memory of 1528	860	88c202459761c4aeb84e861956b14625.exe	27
PID 860 wrote to memory of 1528	860	88c202459761c4aeb84e861956b14625.exe	27
PID 860 wrote to memory of 1528	860	88c202459761c4aeb84e861956b14625.exe	27
PID 860 wrote to memory of 1528	860	88c202459761c4aeb84e861956b14625.exe	27
PID 860 wrote to memory of 1528	860	88c202459761c4aeb84e861956b14625.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	88c202459761c4aeb84e861956b14625.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	88c202459761c4aeb84e861956b14625.exe

C:\Users\Admin\AppData\Local\Temp\88c202459761c4aeb84e861956b14625.exe
"C:\Users\Admin\AppData\Local\Temp\88c202459761c4aeb84e861956b14625.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:860
- C:\Users\Admin\AppData\Local\Temp\88c202459761c4aeb84e861956b14625.exe
  "C:\Users\Admin\AppData\Local\Temp\88c202459761c4aeb84e861956b14625.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:1528

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/860-54-0x0000000000CA0000-0x0000000000D7E000-memory.dmp

Filesize
888KB

Download
memory/860-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/860-56-0x00000000006A0000-0x00000000006B6000-memory.dmp

Filesize
88KB

Download
memory/860-57-0x00000000006B0000-0x00000000006BC000-memory.dmp

Filesize
48KB

Download
memory/860-58-0x0000000005CD0000-0x0000000005D64000-memory.dmp

Filesize
592KB

Download
memory/860-59-0x0000000004850000-0x000000000488A000-memory.dmp

Filesize
232KB

Download
memory/1528-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-70-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

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