agenttesla | 9f3b0574ee8ea34114c6de2ed4f351552400569e42d4032a2ec5dcff3107af1c

General

Target

Doc2050023RFT.exe
Size

1.5MB
MD5

c8dfc09ebcbda6de3cb18d2c5ca52483
SHA1

91f2bf86bb3d8d73fd9b09881087099b81315a8b
SHA256

9f3b0574ee8ea34114c6de2ed4f351552400569e42d4032a2ec5dcff3107af1c
SHA512

0b025d8c5f445d20a66b4d6195112addc9b5dc19b2c4897d50640e01af58ec2fb3f363a45273f2316a5fb09a44caf785f20b1e9df809b45259929475b156bd32
SSDEEP

12288:cnjoh8rQqH/jnWZQzjFeM6DJOjB9sTTHy3hPA4iDJQbLiQXxaURDEVmHCj3hPG7g:qLHbnYQb6VOL25DKnikzU36oGc

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

http://45.155.165.63/3ip/inc/523ecb38582a9c.php

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

Processes:

Doc2050023RFT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc2050023RFT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc2050023RFT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc2050023RFT.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Doc2050023RFT.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\offi = "\"C:\\Users\\Admin\\AppData\\Roaming\\doc\\offi.exe\""	Doc2050023RFT.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Doc2050023RFT.exe

description pid process target process

PID 1120 set thread context of 3028 1120 Doc2050023RFT.exe Doc2050023RFT.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Doc2050023RFT.exe

pid process

3028 Doc2050023RFT.exe
3028 Doc2050023RFT.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Doc2050023RFT.exeDoc2050023RFT.exe

description pid process

Token: SeDebugPrivilege 1120 Doc2050023RFT.exe
Token: SeDebugPrivilege 3028 Doc2050023RFT.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Doc2050023RFT.exe

pid process

3028 Doc2050023RFT.exe

description	pid	process	target process
PID 1120 set thread context of 3028	1120	Doc2050023RFT.exe	Doc2050023RFT.exe

pid	process
3028	Doc2050023RFT.exe
3028	Doc2050023RFT.exe

description	pid	process
Token: SeDebugPrivilege	1120	Doc2050023RFT.exe
Token: SeDebugPrivilege	3028	Doc2050023RFT.exe

pid	process
3028	Doc2050023RFT.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Doc2050023RFT.exe

description	pid	process	target process
PID 1120 wrote to memory of 3028	1120	Doc2050023RFT.exe	Doc2050023RFT.exe
PID 1120 wrote to memory of 3028	1120	Doc2050023RFT.exe	Doc2050023RFT.exe
PID 1120 wrote to memory of 3028	1120	Doc2050023RFT.exe	Doc2050023RFT.exe
PID 1120 wrote to memory of 3028	1120	Doc2050023RFT.exe	Doc2050023RFT.exe
PID 1120 wrote to memory of 3028	1120	Doc2050023RFT.exe	Doc2050023RFT.exe
PID 1120 wrote to memory of 3028	1120	Doc2050023RFT.exe	Doc2050023RFT.exe
PID 1120 wrote to memory of 3028	1120	Doc2050023RFT.exe	Doc2050023RFT.exe
PID 1120 wrote to memory of 3028	1120	Doc2050023RFT.exe	Doc2050023RFT.exe

outlook_office_path 1 IoCs

Processes:

Doc2050023RFT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc2050023RFT.exe

outlook_win_path 1 IoCs

Processes:

Doc2050023RFT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc2050023RFT.exe

C:\Users\Admin\AppData\Local\Temp\Doc2050023RFT.exe
"C:\Users\Admin\AppData\Local\Temp\Doc2050023RFT.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120

C:\Users\Admin\AppData\Local\Temp\Doc2050023RFT.exe
C:\Users\Admin\AppData\Local\Temp\Doc2050023RFT.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3028

Network

MITRE ATT&CK Matrix ATT&CK 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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1120-132-0x0000000000C50000-0x0000000000DDE000-memory.dmp

Filesize
1.6MB

Download
memory/1120-133-0x0000000005A40000-0x0000000005A62000-memory.dmp

Filesize
136KB

Download
memory/3028-134-0x0000000000000000-mapping.dmp

Download
memory/3028-135-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3028-136-0x0000000005F40000-0x00000000064E4000-memory.dmp

Filesize
5.6MB

Download
memory/3028-137-0x0000000005990000-0x0000000005A2C000-memory.dmp

Filesize
624KB

Download
memory/3028-138-0x0000000006630000-0x0000000006696000-memory.dmp

Filesize
408KB

Download
memory/3028-139-0x0000000006C10000-0x0000000006C60000-memory.dmp

Filesize
320KB

Download
memory/3028-140-0x00000000074B0000-0x0000000007542000-memory.dmp

Filesize
584KB

Download
memory/3028-141-0x0000000007490000-0x000000000749A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads