agenttesla | 8a4ce31a6aa55853f5c8a3dd9f44bb2aaf799797865d49c2bade03d62690f9e9

General

Target
Purchase Inquiry.exe
Size 806KB
Sample230206-ldl9ssdb43
SHA256 8a4ce31a6aa55853f5c8a3dd9f44bb2aaf799797865d49c2bade03d62690f9e9
MD5 942c8c7173a68dff349e0f1023bfed08
SHA1 55811e72cc3cefef77def0d92705b31fea8454ab
SHA512 2b9792ab95706eb43198d5d22895dbb5fe71460c565174904c1f48e9dd3a64d807e94c2e8807738d3084162370342450a4ba3781cb7a780b4924563d3ab7c94c
SSDEEP 24576:DA3trxN5IC54TWMKtV27I9KFMgOkujAS+pEdk:sttgiZMI9/SujAHO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5699496836:AAHsCB0sJ7dQH79qrU9TNSDZ8eYTeR19myk/

Signatures

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Inquiry.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Inquiry.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Inquiry.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-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\Skype\\Skype.exe"	Purchase Inquiry.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
32	api.ipify.org
33	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 4776	4268	Purchase Inquiry.exe	83

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	Purchase Inquiry.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4776	Purchase Inquiry.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 4776	4268	Purchase Inquiry.exe	83
PID 4268 wrote to memory of 4776	4268	Purchase Inquiry.exe	83
PID 4268 wrote to memory of 4776	4268	Purchase Inquiry.exe	83
PID 4268 wrote to memory of 4776	4268	Purchase Inquiry.exe	83
PID 4268 wrote to memory of 4776	4268	Purchase Inquiry.exe	83
PID 4268 wrote to memory of 4776	4268	Purchase Inquiry.exe	83
PID 4268 wrote to memory of 4776	4268	Purchase Inquiry.exe	83
PID 4268 wrote to memory of 4776	4268	Purchase Inquiry.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Inquiry.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Inquiry.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4776

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

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Purchase Inquiry.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchase Inquiry.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/4268-132-0x00000000009E0000-0x0000000000AAE000-memory.dmp

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memory/4268-133-0x0000000005980000-0x0000000005F24000-memory.dmp

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memory/4268-134-0x0000000005470000-0x0000000005502000-memory.dmp

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memory/4268-135-0x0000000005440000-0x000000000544A000-memory.dmp

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memory/4268-136-0x00000000090F0000-0x000000000918C000-memory.dmp

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memory/4776-138-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/4776-140-0x0000000001750000-0x00000000017B6000-memory.dmp

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memory/4776-141-0x0000000006D00000-0x0000000006D50000-memory.dmp

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memory/4776-142-0x0000000006F20000-0x00000000070E2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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