agenttesla | 5d813767b6866940a44739d59a658f3dfcc9c316078af93567cf7ef5b85e0b3c

General

Target

verified payment.exe
Size

509KB
MD5

6676febfeb6d3406db3ebc03ad4f130e
SHA1

5cf62bb0fe32f028f4beaa319ce3562c850a7c00
SHA256

a146c15fea12b7c11eb1152c698c223d52111a51fd2c6a834d6a36ab36e20c0c
SHA512

8d773f4aecba106514aa14798ac73d314f07e54967350e25ab3674cc0152f26665a901eab8a783a3088f12392bbf14b89a7b454675796127cec35907a0f0cbb5

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.bnb-spa.com
Port:
587
Username:
[email protected]
Password:
tPo!47:glt$E

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/3892-139-0x0000000000400000-0x0000000000452000-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:

verified payment.exe

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

verified payment.exe

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

verified payment.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mymp4 = "C:\\Users\\Admin\\AppData\\Roaming\\Mymp4\\Mymp4.exe"	verified payment.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

verified payment.exe

description pid process target process

PID 4668 set thread context of 3892 4668 verified payment.exe verified payment.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

description	pid	process	target process
PID 4668 set thread context of 3892	4668	verified payment.exe	verified payment.exe

pid	process
1660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

verified payment.exeverified payment.exe

pid	process
4668	verified payment.exe
4668	verified payment.exe
4668	verified payment.exe
4668	verified payment.exe
4668	verified payment.exe
3892	verified payment.exe
3892	verified payment.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

verified payment.exeverified payment.exe

description pid process

Token: SeDebugPrivilege 4668 verified payment.exe
Token: SeDebugPrivilege 3892 verified payment.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

verified payment.exe

pid process

3892 verified payment.exe

description	pid	process
Token: SeDebugPrivilege	4668	verified payment.exe
Token: SeDebugPrivilege	3892	verified payment.exe

pid	process
3892	verified payment.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

verified payment.exe

description	pid	process	target process
PID 4668 wrote to memory of 1660	4668	verified payment.exe	schtasks.exe
PID 4668 wrote to memory of 1660	4668	verified payment.exe	schtasks.exe
PID 4668 wrote to memory of 1660	4668	verified payment.exe	schtasks.exe
PID 4668 wrote to memory of 4808	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 4808	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 4808	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 3892	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 3892	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 3892	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 3892	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 3892	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 3892	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 3892	4668	verified payment.exe	verified payment.exe
PID 4668 wrote to memory of 3892	4668	verified payment.exe	verified payment.exe

outlook_office_path 1 IoCs

Processes:

verified payment.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	verified payment.exe

outlook_win_path 1 IoCs

Processes:

verified payment.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	verified payment.exe

C:\Users\Admin\AppData\Local\Temp\verified payment.exe
"C:\Users\Admin\AppData\Local\Temp\verified payment.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NAPiLPipe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5208.tmp"
2⤵
- Creates scheduled task(s)
PID:1660

C:\Users\Admin\AppData\Local\Temp\verified payment.exe
"{path}"
2⤵
PID:4808

C:\Users\Admin\AppData\Local\Temp\verified payment.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3892

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

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\verified payment.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5208.tmp
Filesize
1KB

MD5
890637d1ddd9f7a87baaa05e7d4b930c

SHA1
51b06effd9566f91e7ac8c9aba257a782b8a0679

SHA256
f66b70c4510f0429c257586a3a8f1f00f74a0ffcdcf481d2c7c06815e9b687f2

SHA512
5b0e4d3e2385feccd4cf2705efeb0ab07bf8235628c871bf0bf608f1042ce09c1d608ff380e4dd74218bca7c0e1984995e485d1733afe0fc14a2c91b6c7fa4a0

Download Submit
memory/1660-135-0x0000000000000000-mapping.dmp

Download
memory/3892-139-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3892-138-0x0000000000000000-mapping.dmp

Download
memory/3892-141-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/3892-142-0x00000000063C0000-0x0000000006410000-memory.dmp

Filesize
320KB

Download
memory/4668-134-0x0000000007DE0000-0x0000000007E7C000-memory.dmp

Filesize
624KB

Download
memory/4668-133-0x0000000005900000-0x000000000590A000-memory.dmp

Filesize
40KB

Download
memory/4668-132-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/4668-130-0x0000000000EC0000-0x0000000000F46000-memory.dmp

Filesize
536KB

Download
memory/4668-131-0x0000000005E20000-0x00000000063C4000-memory.dmp

Filesize
5.6MB

Download
memory/4808-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads