agenttesla | 98a2f66448ca24ca21b3eec2a46b6d010c9d38cf1d5fcc3bd5eae8b6d346854b

General

Target

Payment_Advice.exe
Size

945KB
MD5

3fc229b344053ff2fea4c8c4d521b178
SHA1

d0e67eab583f11b1722cd20cf8e228bcf30d368c
SHA256

98a2f66448ca24ca21b3eec2a46b6d010c9d38cf1d5fcc3bd5eae8b6d346854b
SHA512

ca5cbb1448699b341fa6002462d60154491e82783f054cbbee2c95b354e29bae357195029e360069ecffd4f0f62841b52e40dbd63b58e39d85c2fd861103475f
SSDEEP

12288:jSFkoX7OSnzUf392egEHy6HEqm+n6jg2WdDnLmbJZ9ENyjJvJ9u:MlUf392egAy6HSYH9nLUnf9

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

http://141.98.6.75/500/inc/9bce52518beca5.php

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Payment_Advice.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\excel = "C:\\Users\\Admin\\AppData\\Local\\Temp\\excel\\excel.exe"	Payment_Advice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4912 set thread context of 2968	4912	Payment_Advice.exe	96

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2968	Payment_Advice.exe
2968	Payment_Advice.exe
3816	powershell.exe
3816	powershell.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2968	Payment_Advice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2968	Payment_Advice.exe
Token: SeDebugPrivilege	3816	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2968	Payment_Advice.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 3816	4912	Payment_Advice.exe	94
PID 4912 wrote to memory of 3816	4912	Payment_Advice.exe	94
PID 4912 wrote to memory of 3816	4912	Payment_Advice.exe	94
PID 4912 wrote to memory of 2968	4912	Payment_Advice.exe	96
PID 4912 wrote to memory of 2968	4912	Payment_Advice.exe	96
PID 4912 wrote to memory of 2968	4912	Payment_Advice.exe	96
PID 4912 wrote to memory of 2968	4912	Payment_Advice.exe	96
PID 4912 wrote to memory of 2968	4912	Payment_Advice.exe	96
PID 4912 wrote to memory of 2968	4912	Payment_Advice.exe	96
PID 4912 wrote to memory of 2968	4912	Payment_Advice.exe	96
PID 4912 wrote to memory of 2968	4912	Payment_Advice.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe

C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3816
- C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2968

Network

MITRE ATT&CK Enterprise 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
memory/2968-141-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2968-154-0x0000000006450000-0x00000000064A0000-memory.dmp

Filesize
320KB

Download
memory/3816-144-0x00000000050F0000-0x0000000005112000-memory.dmp

Filesize
136KB

Download
memory/3816-152-0x0000000007400000-0x000000000740A000-memory.dmp

Filesize
40KB

Download
memory/3816-157-0x00000000076B0000-0x00000000076B8000-memory.dmp

Filesize
32KB

Download
memory/3816-156-0x00000000076D0000-0x00000000076EA000-memory.dmp

Filesize
104KB

Download
memory/3816-139-0x0000000004B10000-0x0000000004B46000-memory.dmp

Filesize
216KB

Download
memory/3816-155-0x00000000075C0000-0x00000000075CE000-memory.dmp

Filesize
56KB

Download
memory/3816-143-0x0000000005180000-0x00000000057A8000-memory.dmp

Filesize
6.2MB

Download
memory/3816-153-0x0000000007610000-0x00000000076A6000-memory.dmp

Filesize
600KB

Download
memory/3816-145-0x0000000005920000-0x0000000005986000-memory.dmp

Filesize
408KB

Download
memory/3816-146-0x0000000006090000-0x00000000060AE000-memory.dmp

Filesize
120KB

Download
memory/3816-147-0x0000000006640000-0x0000000006672000-memory.dmp

Filesize
200KB

Download
memory/3816-148-0x0000000070380000-0x00000000703CC000-memory.dmp

Filesize
304KB

Download
memory/3816-149-0x0000000006620000-0x000000000663E000-memory.dmp

Filesize
120KB

Download
memory/3816-150-0x00000000079D0000-0x000000000804A000-memory.dmp

Filesize
6.5MB

Download
memory/3816-151-0x0000000007390000-0x00000000073AA000-memory.dmp

Filesize
104KB

Download
memory/4912-137-0x0000000001020000-0x0000000001086000-memory.dmp

Filesize
408KB

Download
memory/4912-132-0x0000000000850000-0x0000000000942000-memory.dmp

Filesize
968KB

Download
memory/4912-133-0x00000000058F0000-0x0000000005E94000-memory.dmp

Filesize
5.6MB

Download
memory/4912-134-0x0000000005340000-0x00000000053D2000-memory.dmp

Filesize
584KB

Download
memory/4912-135-0x00000000052F0000-0x00000000052FA000-memory.dmp

Filesize
40KB

Download
memory/4912-136-0x0000000008DD0000-0x0000000008E6C000-memory.dmp

Filesize
624KB

Download

Analysis

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