agenttesla | b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5

General

Target

Remittance slip.exe
Size

372KB
MD5

758f5c1f99738cc2a59a385ce63e9a21
SHA1

22c825fcdc8c78a5f4339ae98754a423ba67a2a1
SHA256

b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5
SHA512

aca0e6800300b410a27dac7740981d5fa1711ca86c752855e0f23ad786931a2e92a507d3c57b880d8fbdbf947f7de58c80b1bb6d3dacb555abc28ca49ee2e491
SSDEEP

6144:/Ya65Gb4fu5qu5/9vkkq4Bd1QO8E2qtDAQMynxwAC+wNkm3iiI9kcZXUgApaYIno:/YDGbgu5qu5/9UWUO8EfkQBxK+weiWRw

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2276	Remittance slip.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
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-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance slip.exe
Key opened	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance slip.exe
Key opened	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance slip.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 3064	2276	Remittance slip.exe	27

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2276	Remittance slip.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3064	Remittance slip.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 3064	2276	Remittance slip.exe	27
PID 2276 wrote to memory of 3064	2276	Remittance slip.exe	27
PID 2276 wrote to memory of 3064	2276	Remittance slip.exe	27
PID 2276 wrote to memory of 3064	2276	Remittance slip.exe	27
PID 2276 wrote to memory of 3064	2276	Remittance slip.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance slip.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance slip.exe

C:\Users\Admin\AppData\Local\Temp\Remittance slip.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance slip.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\Remittance slip.exe
  "C:\Users\Admin\AppData\Local\Temp\Remittance slip.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsz70EF.tmp\mmkwezaqus.dll

Filesize
255KB

MD5
71790b245a749637663468615cb6e1aa

SHA1
17141a074a308dc49d06ef02eb6f5e111125108a

SHA256
c327f61755ca21c71aaa0745b3b1ea71f4f90f95709e64786c9c71dbc2f108d6

SHA512
a557ab4a585297917e40e69a709ac334fc5ae35ea2c2ad92dba9c3f4fd29a1ffa19ea6653b5c1d6fcd924186b7500ccc014fab899971e02bde8b15798a204639

Download Submit
memory/2276-61-0x0000000001C30000-0x0000000001C32000-memory.dmp

Filesize
8KB

Download
memory/3064-62-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3064-64-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3064-65-0x00000000005E0000-0x0000000000610000-memory.dmp

Filesize
192KB

Download
memory/3064-66-0x00000000044C0000-0x0000000004500000-memory.dmp

Filesize
256KB

Download
memory/3064-67-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3064-68-0x00000000044C0000-0x0000000004500000-memory.dmp

Filesize
256KB

Download

Analysis

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