agenttesla | 0fb2fc1ae6abaa05ced5259a6962c80b6e7bb8dd88e1a737958cd42458ce1b50

General

Target

1680103ba897689ec92f5940e043afb4.exe
Size

283KB
MD5

1680103ba897689ec92f5940e043afb4
SHA1

9b9edf3561b86317eaa9794bb1663fb173fec96c
SHA256

0fb2fc1ae6abaa05ced5259a6962c80b6e7bb8dd88e1a737958cd42458ce1b50
SHA512

4689909ca1d9389e4eb6fce7ccc1a0bb0d15aded538e1f2dbd1395bba733f8cf1eb66b0d902983887067260226b79e8bb592e95bd0462a27f56000c64a8303a0
SSDEEP

6144:/Ya6XMVYClWSQFqDJgt3WVTVccAP9pUp6ntMx13XstBJS/:/YVMVLIpIFW3YTVbAP9pk6GX3ctBu

Score

10^/10

agenttesla collection keylogger persistence 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
1780	1680103ba897689ec92f5940e043afb4.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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1680103ba897689ec92f5940e043afb4.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1680103ba897689ec92f5940e043afb4.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1680103ba897689ec92f5940e043afb4.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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	1680103ba897689ec92f5940e043afb4.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
4	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 2020	1780	1680103ba897689ec92f5940e043afb4.exe	26

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2020	1680103ba897689ec92f5940e043afb4.exe
2020	1680103ba897689ec92f5940e043afb4.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1780	1680103ba897689ec92f5940e043afb4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	1680103ba897689ec92f5940e043afb4.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 2020	1780	1680103ba897689ec92f5940e043afb4.exe	26
PID 1780 wrote to memory of 2020	1780	1680103ba897689ec92f5940e043afb4.exe	26
PID 1780 wrote to memory of 2020	1780	1680103ba897689ec92f5940e043afb4.exe	26
PID 1780 wrote to memory of 2020	1780	1680103ba897689ec92f5940e043afb4.exe	26
PID 1780 wrote to memory of 2020	1780	1680103ba897689ec92f5940e043afb4.exe	26

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1680103ba897689ec92f5940e043afb4.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1680103ba897689ec92f5940e043afb4.exe

C:\Users\Admin\AppData\Local\Temp\1680103ba897689ec92f5940e043afb4.exe
"C:\Users\Admin\AppData\Local\Temp\1680103ba897689ec92f5940e043afb4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\1680103ba897689ec92f5940e043afb4.exe
  "C:\Users\Admin\AppData\Local\Temp\1680103ba897689ec92f5940e043afb4.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:2020

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

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\nsd6B05.tmp\ijdbtjl.dll

Filesize
41KB

MD5
7877bf1893f3cd2e7743abd474a0a275

SHA1
18defc1adc1d71bf31d971906014792af2520ce3

SHA256
3e90a167ede08b3eedc8d370397d7b7f057a23075e315de745e16132785ac80c

SHA512
e6494c5bda9a7140efb5f2d4d1adfa400e3c61490d090024f136a268847182f9910903c88f2d80cdab094b9df067be95416b8c932eba088bddb0c6ca54531d6d

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6B05.tmp\ijdbtjl.dll

Filesize
41KB

MD5
7877bf1893f3cd2e7743abd474a0a275

SHA1
18defc1adc1d71bf31d971906014792af2520ce3

SHA256
3e90a167ede08b3eedc8d370397d7b7f057a23075e315de745e16132785ac80c

SHA512
e6494c5bda9a7140efb5f2d4d1adfa400e3c61490d090024f136a268847182f9910903c88f2d80cdab094b9df067be95416b8c932eba088bddb0c6ca54531d6d

Download Submit
memory/1780-62-0x0000000000470000-0x0000000000472000-memory.dmp

Filesize
8KB

Download
memory/2020-63-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2020-66-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2020-67-0x0000000000540000-0x0000000000570000-memory.dmp

Filesize
192KB

Download
memory/2020-68-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2020-69-0x0000000004600000-0x0000000004640000-memory.dmp

Filesize
256KB

Download
memory/2020-70-0x0000000004600000-0x0000000004640000-memory.dmp

Filesize
256KB

Download

Analysis

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