agenttesla | 7e674e6adfd09d79afcb58a0ec1a25696040fec7708c4c0b9e00262440cbda4b

General

Target

Quote 4907129.exe
Size

713KB
MD5

f7ec688eeb140c3bf93314df25e4b9aa
SHA1

3960eb7d374d3c7aa47155de002bf455a32d3806
SHA256

7e674e6adfd09d79afcb58a0ec1a25696040fec7708c4c0b9e00262440cbda4b
SHA512

9aa503327ed935dd55359b647e3bb35d44a418016427392bd9e8c9084c90db170e940b0a084429f460379605a05dca7c11d32bb848416b43cd1b17f7f3d784fa
SSDEEP

12288:o3XYCPgimOMt+V3VMxU7O1+ZaWHh80b+9WY751BoDDiVUlWvL2EerGyMMflFOGYe:kYVimX8GxbWZeWwj6aOrGsflFTR

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5663632223:AAG5KHZDs7KWoaqTYx3lSyFlOdfD9vGegQo/

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:

Quote 4907129.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quote 4907129.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quote 4907129.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quote 4907129.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Quote 4907129.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run\eubJfun = "C:\\Users\\Admin\\AppData\\Roaming\\eubJfun\\eubJfun.exe"	Quote 4907129.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.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Quote 4907129.exe

description pid process target process

PID 920 set thread context of 632 920 Quote 4907129.exe Quote 4907129.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1672 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Quote 4907129.exepowershell.exe

pid process

920 Quote 4907129.exe
920 Quote 4907129.exe
864 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Quote 4907129.exeQuote 4907129.exepowershell.exe

description pid process

Token: SeDebugPrivilege 920 Quote 4907129.exe
Token: SeDebugPrivilege 632 Quote 4907129.exe
Token: SeDebugPrivilege 864 powershell.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 920 set thread context of 632	920	Quote 4907129.exe	Quote 4907129.exe

pid	process
1672	schtasks.exe

pid	process
920	Quote 4907129.exe
920	Quote 4907129.exe
864	powershell.exe

description	pid	process
Token: SeDebugPrivilege	920	Quote 4907129.exe
Token: SeDebugPrivilege	632	Quote 4907129.exe
Token: SeDebugPrivilege	864	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Quote 4907129.exe

description	pid	process	target process
PID 920 wrote to memory of 864	920	Quote 4907129.exe	powershell.exe
PID 920 wrote to memory of 864	920	Quote 4907129.exe	powershell.exe
PID 920 wrote to memory of 864	920	Quote 4907129.exe	powershell.exe
PID 920 wrote to memory of 864	920	Quote 4907129.exe	powershell.exe
PID 920 wrote to memory of 1672	920	Quote 4907129.exe	schtasks.exe
PID 920 wrote to memory of 1672	920	Quote 4907129.exe	schtasks.exe
PID 920 wrote to memory of 1672	920	Quote 4907129.exe	schtasks.exe
PID 920 wrote to memory of 1672	920	Quote 4907129.exe	schtasks.exe
PID 920 wrote to memory of 632	920	Quote 4907129.exe	Quote 4907129.exe
PID 920 wrote to memory of 632	920	Quote 4907129.exe	Quote 4907129.exe
PID 920 wrote to memory of 632	920	Quote 4907129.exe	Quote 4907129.exe
PID 920 wrote to memory of 632	920	Quote 4907129.exe	Quote 4907129.exe
PID 920 wrote to memory of 632	920	Quote 4907129.exe	Quote 4907129.exe
PID 920 wrote to memory of 632	920	Quote 4907129.exe	Quote 4907129.exe
PID 920 wrote to memory of 632	920	Quote 4907129.exe	Quote 4907129.exe
PID 920 wrote to memory of 632	920	Quote 4907129.exe	Quote 4907129.exe
PID 920 wrote to memory of 632	920	Quote 4907129.exe	Quote 4907129.exe

outlook_office_path 1 IoCs

Processes:

Quote 4907129.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quote 4907129.exe

outlook_win_path 1 IoCs

Processes:

Quote 4907129.exe

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	Quote 4907129.exe

C:\Users\Admin\AppData\Local\Temp\Quote 4907129.exe
"C:\Users\Admin\AppData\Local\Temp\Quote 4907129.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:920

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bvfuPJjvYhhZv.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:864

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bvfuPJjvYhhZv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCEC5.tmp"
2⤵
- Creates scheduled task(s)
PID:1672

C:\Users\Admin\AppData\Local\Temp\Quote 4907129.exe
"C:\Users\Admin\AppData\Local\Temp\Quote 4907129.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:632

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCEC5.tmp
Filesize
1KB

MD5
07cdfcaece81b6b40ecf6f4187130e44

SHA1
a841e6f89382b5e0271bd3b161a50d0f9dd0042a

SHA256
5f85990fc928a58038c46f38d17655fa31c05e0e614d3639f072540bed83a6eb

SHA512
24ae469660bcc12c8368961130879ebec54b16869b0692929141223572cb995dbdcd0ece01e029908c155ddd825b4b5b249e48582d1683d1a5eb08904613b407

Download Submit
memory/632-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/632-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/632-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/632-79-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/632-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/632-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/632-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/632-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/632-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/864-78-0x00000000029F0000-0x0000000002A30000-memory.dmp

Filesize
256KB

Download
memory/920-55-0x0000000000540000-0x0000000000580000-memory.dmp

Filesize
256KB

Download
memory/920-54-0x0000000000FE0000-0x0000000001098000-memory.dmp

Filesize
736KB

Download
memory/920-59-0x00000000057B0000-0x0000000005828000-memory.dmp

Filesize
480KB

Download
memory/920-57-0x0000000000540000-0x0000000000580000-memory.dmp

Filesize
256KB

Download
memory/920-65-0x0000000004C90000-0x0000000004CC2000-memory.dmp

Filesize
200KB

Download
memory/920-56-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/920-58-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads