agenttesla | fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d427c7aa883916f8c251c

General

Target

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
Size

1.4MB
MD5

10dcb9e5aabe78f2bf22481b70658d15
SHA1

19dad72451cb471f9762a6a7c72e57f2f17197bf
SHA256

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d427c7aa883916f8c251c
SHA512

1afc876a8b5626a38af604a30127b0a1af9d0aa358b7fdb0e544e0f408a6599a7df5283fe09896eee04bd859b1dc0aff83481911a2e4a37bc02f1465f8f3f6dc
SSDEEP

12288:pnjoI3rQqH/jnWZQzjFeM6DJOjB9sTTHyodgEGqURVOpsc534IToHIRiBOaIOvkz:hLHbnYQb6VO9RSscqNc

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:

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\offi = "\"C:\\Users\\Admin\\AppData\\Roaming\\doc\\offi.exe\""	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

description	pid	process	target process
PID 4900 set thread context of 928	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

pid process

928 fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
928 fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

pid	process
928	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
928	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exefc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

description	pid	process
Token: SeDebugPrivilege	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
Token: SeDebugPrivilege	928	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

pid process

928 fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

pid	process
928	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

description	pid	process	target process
PID 4900 wrote to memory of 928	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
PID 4900 wrote to memory of 928	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
PID 4900 wrote to memory of 928	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
PID 4900 wrote to memory of 928	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
PID 4900 wrote to memory of 928	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
PID 4900 wrote to memory of 928	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
PID 4900 wrote to memory of 928	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
PID 4900 wrote to memory of 928	4900	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

outlook_office_path 1 IoCs

Processes:

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

outlook_win_path 1 IoCs

Processes:

fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe

C:\Users\Admin\AppData\Local\Temp\fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
"C:\Users\Admin\AppData\Local\Temp\fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4900

C:\Users\Admin\AppData\Local\Temp\fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
C:\Users\Admin\AppData\Local\Temp\fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:928

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe.log
Filesize
1KB

MD5
7e88081fcf716d85992bb3af3d9b6454

SHA1
2153780fbc71061b0102a7a7b665349e1013e250

SHA256
5ffb4a3ea94a6a53c4f88e2191c6fec5fd8a7336e367aa113fe8c12631e0c4d2

SHA512
ec606e14367ae221c04f213a61a6f797034495121198e4788e3afa4aa8db67bf59c5c5210a56afae5557158e8923b013b371b84c7d64303618c5b4c57a2224f7

Download Submit
memory/928-134-0x0000000000000000-mapping.dmp

Download
memory/928-135-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/928-137-0x0000000005AD0000-0x0000000006074000-memory.dmp

Filesize
5.6MB

Download
memory/928-138-0x0000000005520000-0x00000000055BC000-memory.dmp

Filesize
624KB

Download
memory/928-139-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/928-140-0x00000000066C0000-0x0000000006710000-memory.dmp

Filesize
320KB

Download
memory/928-141-0x0000000006DE0000-0x0000000006E72000-memory.dmp

Filesize
584KB

Download
memory/928-142-0x0000000006D90000-0x0000000006D9A000-memory.dmp

Filesize
40KB

Download
memory/4900-132-0x0000000000AA0000-0x0000000000C14000-memory.dmp

Filesize
1.5MB

Download
memory/4900-133-0x0000000005870000-0x0000000005892000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads