agenttesla | a714be342c812425a1064f43fc17e41ad9e29cc566a91a228e485ee3becf20ed

General

Target

1OQXXFTY.exe
Size

1.2MB
MD5

459a64b11475093ad9653e53b4c92b5f
SHA1

e7b4a2a04ef26cc950eca6ed8e32ca61f9f37a62
SHA256

03adf92e4aed823e9b79f678c90e739c8a5be7f196b3d56f0850f1cc8e177a3e
SHA512

f6e111f6a88afcdb65d45cf63a2bcf3d3a686e837a25d5dc7508228c2f0499e6ed2b0cbd150794d2c2305abbaaddf32f10a0754d191c831955746cb866f2c6f7

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
daddyhandsome1234

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
daddyhandsome1234

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4212-139-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

1OQXXFTY.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	1OQXXFTY.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

Processes:

1OQXXFTY.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1OQXXFTY.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1OQXXFTY.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1OQXXFTY.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1OQXXFTY.exe

description pid process target process

PID 4740 set thread context of 4212 4740 1OQXXFTY.exe 1OQXXFTY.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

3760 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

1OQXXFTY.exe1OQXXFTY.exe

pid process

4740 1OQXXFTY.exe
4212 1OQXXFTY.exe
4212 1OQXXFTY.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1OQXXFTY.exe1OQXXFTY.exe

description pid process

Token: SeDebugPrivilege 4740 1OQXXFTY.exe
Token: SeDebugPrivilege 4212 1OQXXFTY.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1OQXXFTY.exe

pid process

4212 1OQXXFTY.exe

description	pid	process	target process
PID 4740 set thread context of 4212	4740	1OQXXFTY.exe	1OQXXFTY.exe

pid	process
3760	schtasks.exe

pid	process
4740	1OQXXFTY.exe
4212	1OQXXFTY.exe
4212	1OQXXFTY.exe

description	pid	process
Token: SeDebugPrivilege	4740	1OQXXFTY.exe
Token: SeDebugPrivilege	4212	1OQXXFTY.exe

pid	process
4212	1OQXXFTY.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1OQXXFTY.exe

description	pid	process	target process
PID 4740 wrote to memory of 3760	4740	1OQXXFTY.exe	schtasks.exe
PID 4740 wrote to memory of 3760	4740	1OQXXFTY.exe	schtasks.exe
PID 4740 wrote to memory of 3760	4740	1OQXXFTY.exe	schtasks.exe
PID 4740 wrote to memory of 4212	4740	1OQXXFTY.exe	1OQXXFTY.exe
PID 4740 wrote to memory of 4212	4740	1OQXXFTY.exe	1OQXXFTY.exe
PID 4740 wrote to memory of 4212	4740	1OQXXFTY.exe	1OQXXFTY.exe
PID 4740 wrote to memory of 4212	4740	1OQXXFTY.exe	1OQXXFTY.exe
PID 4740 wrote to memory of 4212	4740	1OQXXFTY.exe	1OQXXFTY.exe
PID 4740 wrote to memory of 4212	4740	1OQXXFTY.exe	1OQXXFTY.exe
PID 4740 wrote to memory of 4212	4740	1OQXXFTY.exe	1OQXXFTY.exe
PID 4740 wrote to memory of 4212	4740	1OQXXFTY.exe	1OQXXFTY.exe

outlook_office_path 1 IoCs

Processes:

1OQXXFTY.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1OQXXFTY.exe

outlook_win_path 1 IoCs

Processes:

1OQXXFTY.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1OQXXFTY.exe

C:\Users\Admin\AppData\Local\Temp\1OQXXFTY.exe
"C:\Users\Admin\AppData\Local\Temp\1OQXXFTY.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4740

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GbykCX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80B9.tmp"
2⤵
- Creates scheduled task(s)
PID:3760

C:\Users\Admin\AppData\Local\Temp\1OQXXFTY.exe
"C:\Users\Admin\AppData\Local\Temp\1OQXXFTY.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4212

Network

MITRE ATT&CK Enterprise 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp80B9.tmp

Filesize
1KB

MD5
d6067f29a4e6421f7308f2b484478a3b

SHA1
1e49a5a9f766b74dceac8f19adf18449150fed01

SHA256
2ed7d2b23ca03de1be99c0f40bb22ed9333c2cb31b14d0e1dbcf7b6e40fe31d0

SHA512
a6d1a575c20cb56b0b0b8b20326bbab4480e54b6af28e83af0ecdb0ac72e0fea2e6c352cd9f7424fd559749ff16bad1e1a79a01ccb9b031435ab281c414d1351

Download Submit
memory/3760-136-0x0000000000000000-mapping.dmp

Download
memory/4212-139-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4212-138-0x0000000000000000-mapping.dmp

Download
memory/4212-141-0x0000000006190000-0x00000000061F6000-memory.dmp

Filesize
408KB

Download
memory/4212-142-0x00000000066D0000-0x0000000006720000-memory.dmp

Filesize
320KB

Download
memory/4740-134-0x0000000007050000-0x000000000705A000-memory.dmp

Filesize
40KB

Download
memory/4740-135-0x0000000007270000-0x00000000072C6000-memory.dmp

Filesize
344KB

Download
memory/4740-133-0x00000000070E0000-0x0000000007172000-memory.dmp

Filesize
584KB

Download
memory/4740-132-0x00000000075F0000-0x0000000007B94000-memory.dmp

Filesize
5.6MB

Download
memory/4740-130-0x0000000000010000-0x0000000000140000-memory.dmp

Filesize
1.2MB

Download
memory/4740-131-0x0000000006FA0000-0x000000000703C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads