agenttesla | 234ce505be5d5101be69d7e77055c8600bedc10e70a36cc263d07acbad0f842e

General

Target

New_Order_20191102_073809_405251-PDF.exe
Size

295KB
MD5

5ded922c91eb42774d5ffa10614bed27
SHA1

e52a1ae2def0b6953f3292481f3042a8f17252fa
SHA256

234ce505be5d5101be69d7e77055c8600bedc10e70a36cc263d07acbad0f842e
SHA512

3dc56bfe9bc8487f56abd91ec5ee818c2cc9858abcc60608a216255c82de00a4602c306fad9f3d85b76c1501fa753e9a1ef162ae97bccc425307509bb22a95cc
SSDEEP

6144:OYa6PqoZ8HLKPdrln++PLfn6BG9evflWTElD:OYZZRnn++j/EXvflWG

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6261006732:AAFiMpPz79k5Wkkw0xvICpfaipqXFQbQmmo/

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
2012	New_Order_20191102_073809_405251-PDF.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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_20191102_073809_405251-PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_20191102_073809_405251-PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_20191102_073809_405251-PDF.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 1308	2012	New_Order_20191102_073809_405251-PDF.exe	28

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
2012	New_Order_20191102_073809_405251-PDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1308	New_Order_20191102_073809_405251-PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1308	New_Order_20191102_073809_405251-PDF.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1308	2012	New_Order_20191102_073809_405251-PDF.exe	28
PID 2012 wrote to memory of 1308	2012	New_Order_20191102_073809_405251-PDF.exe	28
PID 2012 wrote to memory of 1308	2012	New_Order_20191102_073809_405251-PDF.exe	28
PID 2012 wrote to memory of 1308	2012	New_Order_20191102_073809_405251-PDF.exe	28
PID 2012 wrote to memory of 1308	2012	New_Order_20191102_073809_405251-PDF.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_20191102_073809_405251-PDF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_20191102_073809_405251-PDF.exe

C:\Users\Admin\AppData\Local\Temp\New_Order_20191102_073809_405251-PDF.exe
"C:\Users\Admin\AppData\Local\Temp\New_Order_20191102_073809_405251-PDF.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\New_Order_20191102_073809_405251-PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\New_Order_20191102_073809_405251-PDF.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1308

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

C:\Users\Admin\AppData\Local\Temp\nsdFF29.tmp\ykyxekn.dll

Filesize
13KB

MD5
06f87d2431273c57f79864e5788eeb52

SHA1
5e6a6c5c83d6ffd784c742679d1b4a82ea5c964a

SHA256
7b843914fbee68bb8990df5c4a2c40f23bed4f51aede65e9637d15b13bc3e4e0

SHA512
f6321ad08091943af17cab8b963bba5c6bd9c73865210364ad2270f0a02d3da7ea59d04b06773eb5de4b8aed266030d658275b1fd5dd0a3542af4af2afa2fc36

Download Submit
\Users\Admin\AppData\Local\Temp\nsdFF29.tmp\ykyxekn.dll

Filesize
13KB

MD5
06f87d2431273c57f79864e5788eeb52

SHA1
5e6a6c5c83d6ffd784c742679d1b4a82ea5c964a

SHA256
7b843914fbee68bb8990df5c4a2c40f23bed4f51aede65e9637d15b13bc3e4e0

SHA512
f6321ad08091943af17cab8b963bba5c6bd9c73865210364ad2270f0a02d3da7ea59d04b06773eb5de4b8aed266030d658275b1fd5dd0a3542af4af2afa2fc36

Download Submit
memory/1308-62-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1308-64-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1308-65-0x0000000000330000-0x0000000000360000-memory.dmp

Filesize
192KB

Download
memory/1308-66-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1308-67-0x0000000004530000-0x0000000004570000-memory.dmp

Filesize
256KB

Download

Analysis

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