agenttesla | 188bc6af1002bb1d12923c01becb543f8ce6ddafc9cf7b81e3362afb227dd2d8

General

Target

purchase order.exe
Size

438KB
MD5

ff0aaaaebbc20f0803d874beb67ff00b
SHA1

f786307b75cd5d2a7e5b8be8e34c999e372a63a9
SHA256

b6eecfd6a6e81cebb29940e6ccd64dea0434dfe1203de308dc16fa6271b74000
SHA512

95a30d2def90728a0f4100dd053bfb2d3bbea7047dd46b56f0a6e1b35a25e4b1bdde4321cdab7726ee25bf39ddba25bd34037ce8563cbab071c4213e23cbab85

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.threewaystoharems.com
Port:
587
Username:
coaching@threewaystoharems.com
Password:
sales@123456

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.threewaystoharems.com
Port:
587
Username:
coaching@threewaystoharems.com
Password:
sales@123456

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/1500-133-0x0000000000400000-0x000000000044C000-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:

purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

purchase order.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	purchase order.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

purchase order.exe

description pid process target process

PID 4976 set thread context of 1500 4976 purchase order.exe purchase order.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

purchase order.exepurchase order.exe

pid process

4976 purchase order.exe
4976 purchase order.exe
1500 purchase order.exe
1500 purchase order.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

purchase order.exe

pid process

1500 purchase order.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

purchase order.exepurchase order.exe

description pid process

Token: SeDebugPrivilege 4976 purchase order.exe
Token: SeDebugPrivilege 1500 purchase order.exe

description	pid	process	target process
PID 4976 set thread context of 1500	4976	purchase order.exe	purchase order.exe

pid	process
4976	purchase order.exe
4976	purchase order.exe
1500	purchase order.exe
1500	purchase order.exe

pid	process
1500	purchase order.exe

description	pid	process
Token: SeDebugPrivilege	4976	purchase order.exe
Token: SeDebugPrivilege	1500	purchase order.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

purchase order.exe

description	pid	process	target process
PID 4976 wrote to memory of 1332	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1332	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1332	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1500	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1500	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1500	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1500	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1500	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1500	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1500	4976	purchase order.exe	purchase order.exe
PID 4976 wrote to memory of 1500	4976	purchase order.exe	purchase order.exe

outlook_office_path 1 IoCs

Processes:

purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe

outlook_win_path 1 IoCs

Processes:

purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"{path}"
2⤵
PID:1332

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1500

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_v2.0_32\UsageLogs\purchase order.exe.log
Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
memory/1332-131-0x0000000000000000-mapping.dmp

Download
memory/1500-132-0x0000000000000000-mapping.dmp

Download
memory/1500-133-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1500-135-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/4976-130-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads