agenttesla | b0db665ee10001c98ba8fb94048fc94d17474115b1db146b081c8c82ad1a0aac

General

Target

Purchase order.exe
Size

913KB
MD5

dc50bc5cab0728f5072e4e944d82c1ce
SHA1

382619df4c0e7bff056cfd3a551d8f4b463a13b7
SHA256

a9ba588dc9da50b3d3a7c78a42d3734d3336de3e3cabed9db41bbc742520b204
SHA512

87b5a273b7080f9dc926a48fc90e880b1b37dcf086b07c145adafd3f69bf111870009812334ecd08ebb857ba2c83669f731f32492a3c35a7ac0feadbb839ee58
SSDEEP

24576:crhqbidgrQM9em4Rz8EAtQELfZ+f0tMcGk37eyko:oPQQM934Rz5aQCfcS6kCyk

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
[email protected]
Password:
goodgood12345

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/2804-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2804-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2804-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2804-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2804-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2804-21-0x00000000011C0000-0x0000000001200000-memory.dmp	family_agenttesla
behavioral1/memory/2804-24-0x00000000011C0000-0x0000000001200000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Purchase order.exe

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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	Purchase order.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 2804	2632	Purchase order.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2804	Purchase order.exe
2804	Purchase order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	Purchase order.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2804	Purchase order.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2804	2632	Purchase order.exe	28
PID 2632 wrote to memory of 2804	2632	Purchase order.exe	28
PID 2632 wrote to memory of 2804	2632	Purchase order.exe	28
PID 2632 wrote to memory of 2804	2632	Purchase order.exe	28
PID 2632 wrote to memory of 2804	2632	Purchase order.exe	28
PID 2632 wrote to memory of 2804	2632	Purchase order.exe	28
PID 2632 wrote to memory of 2804	2632	Purchase order.exe	28
PID 2632 wrote to memory of 2804	2632	Purchase order.exe	28
PID 2632 wrote to memory of 2804	2632	Purchase order.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - 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:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2632-0-0x0000000001210000-0x00000000012FA000-memory.dmp

Filesize
936KB

Download
memory/2632-1-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2632-2-0x0000000000790000-0x00000000007D0000-memory.dmp

Filesize
256KB

Download
memory/2632-3-0x00000000002B0000-0x00000000002B8000-memory.dmp

Filesize
32KB

Download
memory/2632-4-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2632-5-0x0000000000790000-0x00000000007D0000-memory.dmp

Filesize
256KB

Download
memory/2632-6-0x00000000058C0000-0x0000000005992000-memory.dmp

Filesize
840KB

Download
memory/2632-7-0x00000000050A0000-0x000000000512C000-memory.dmp

Filesize
560KB

Download
memory/2632-16-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2804-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2804-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2804-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2804-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2804-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2804-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2804-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2804-20-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-21-0x00000000011C0000-0x0000000001200000-memory.dmp

Filesize
256KB

Download
memory/2804-22-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-24-0x00000000011C0000-0x0000000001200000-memory.dmp

Filesize
256KB

Download
memory/2804-26-0x00000000011C0000-0x0000000001200000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads