agenttesla | 9c49e4175821cea22f5edf0fa73415b0ff0779f7312c4cf14c6d88ae952654e4

General

Target

image001.exe
Size

421KB
MD5

06bf42d97d201d12f72e8774eacd6f16
SHA1

417e7b5aee87389d551b78a73f0bc50c673bed5b
SHA256

c5a9b35e88c8854b9ded651caf716d6ecf5e30454859c4a664d2120145bccc67
SHA512

e6f703acd943798413ff377369ee396f111d17aac31a7338e45c71576be64c2ca867701c18e80047cb2d31f963ebb71071778a1b08a123a18e1f0e4b4d47bd4f

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
T@nkTr@ns135@$^6^

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1620-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1620-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1620-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1620-64-0x0000000000446A4E-mapping.dmp	family_agenttesla
behavioral1/memory/1620-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1620-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_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:

image001.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	image001.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	image001.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	image001.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

image001.exe

description pid process target process

PID 1684 set thread context of 1620 1684 image001.exe image001.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

1660 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

image001.exeimage001.exe

pid process

1684 image001.exe
1684 image001.exe
1684 image001.exe
1620 image001.exe
1620 image001.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

image001.exeimage001.exe

description pid process

Token: SeDebugPrivilege 1684 image001.exe
Token: SeDebugPrivilege 1620 image001.exe

description	pid	process	target process
PID 1684 set thread context of 1620	1684	image001.exe	image001.exe

pid	process
1660	schtasks.exe

pid	process
1684	image001.exe
1684	image001.exe
1684	image001.exe
1620	image001.exe
1620	image001.exe

description	pid	process
Token: SeDebugPrivilege	1684	image001.exe
Token: SeDebugPrivilege	1620	image001.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

image001.exe

description	pid	process	target process
PID 1684 wrote to memory of 1660	1684	image001.exe	schtasks.exe
PID 1684 wrote to memory of 1660	1684	image001.exe	schtasks.exe
PID 1684 wrote to memory of 1660	1684	image001.exe	schtasks.exe
PID 1684 wrote to memory of 1660	1684	image001.exe	schtasks.exe
PID 1684 wrote to memory of 1620	1684	image001.exe	image001.exe
PID 1684 wrote to memory of 1620	1684	image001.exe	image001.exe
PID 1684 wrote to memory of 1620	1684	image001.exe	image001.exe
PID 1684 wrote to memory of 1620	1684	image001.exe	image001.exe
PID 1684 wrote to memory of 1620	1684	image001.exe	image001.exe
PID 1684 wrote to memory of 1620	1684	image001.exe	image001.exe
PID 1684 wrote to memory of 1620	1684	image001.exe	image001.exe
PID 1684 wrote to memory of 1620	1684	image001.exe	image001.exe
PID 1684 wrote to memory of 1620	1684	image001.exe	image001.exe

outlook_office_path 1 IoCs

Processes:

image001.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	image001.exe

outlook_win_path 1 IoCs

Processes:

image001.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	image001.exe

C:\Users\Admin\AppData\Local\Temp\image001.exe
"C:\Users\Admin\AppData\Local\Temp\image001.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZWxymgmxYIFCs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF9CA.tmp"
2⤵
- Creates scheduled task(s)
PID:1660

C:\Users\Admin\AppData\Local\Temp\image001.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1620

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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\tmpF9CA.tmp
Filesize
1KB

MD5
3eb1a6c8e44bcb2c8900528f90c3fe9b

SHA1
03757e55bc07f5ac56ef65b3c06a0339db46bae3

SHA256
2e8b3918bfbaf4ea15de15cb55d46e6f690a4155abe21c66097ca969f77b3be1

SHA512
cd05098d7c1f4e197ca130693f10a7ba1e0d9d537ba766ef2e3d5318a8e86cb87c99ee5f286a8f2ea551169bbe73c86a13e0b54329443008eaa90e3a0610161e

Download Submit
memory/1620-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1620-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1620-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1620-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1620-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1620-64-0x0000000000446A4E-mapping.dmp

Download
memory/1620-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1620-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1620-70-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download
memory/1660-56-0x0000000000000000-mapping.dmp

Download
memory/1684-55-0x0000000074880000-0x0000000074E2B000-memory.dmp

Filesize
5.7MB

Download
memory/1684-54-0x00000000754A1000-0x00000000754A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads