agenttesla | b828fabbbc217d50542d19c8f8fb2b49c924f7a0cc6cbbc404e4439063febe51

General

Target

Remittance of $76,000.00.exe
Size

7KB
MD5

35004f2270d99d582de6c138614e602c
SHA1

726df09a779ac8d2cb23e0ff3e5aca32b5a7874e
SHA256

b828fabbbc217d50542d19c8f8fb2b49c924f7a0cc6cbbc404e4439063febe51
SHA512

4eb17d42c3c2b9a4299153784690dd2030a5a7572bc5f34e3038392ea5dc881f2f962777f0dea28a1cef59c8012a670c547d4dbcbc1a98c37ba785f984fcd9f8
SSDEEP

192:li64f60lNCQEeL+57HNCx0L0Lyfzn5G9:L4f9oveL+5rNCqL0LyfzE

Score

10^/10

agenttesla purecrypter collection downloader keylogger loader spyware stealer trojan

Malware Config

Extracted

Family

purecrypter

C2

http://85.31.45.42/Hmumry.png

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.keefort.com.ec
Port:
587
Username:
[email protected]
Password:
u=Wa6eChU3nj
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.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
5	api.ipify.org
6	api.ipify.org

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1200	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	Remittance of $76,000.00.exe
Token: SeDebugPrivilege	1200	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1200	1972	Remittance of $76,000.00.exe	27
PID 1972 wrote to memory of 1200	1972	Remittance of $76,000.00.exe	27
PID 1972 wrote to memory of 1200	1972	Remittance of $76,000.00.exe	27
PID 1972 wrote to memory of 1200	1972	Remittance of $76,000.00.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.exe

C:\Users\Admin\AppData\Local\Temp\Remittance of $76,000.00.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance of $76,000.00.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1972
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgA1AA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1200-61-0x0000000001D50000-0x0000000001D90000-memory.dmp

Filesize
256KB

Download
memory/1200-62-0x0000000001D50000-0x0000000001D90000-memory.dmp

Filesize
256KB

Download
memory/1200-63-0x0000000001D50000-0x0000000001D90000-memory.dmp

Filesize
256KB

Download
memory/1200-64-0x0000000001D50000-0x0000000001D90000-memory.dmp

Filesize
256KB

Download
memory/1972-54-0x0000000001200000-0x0000000001208000-memory.dmp

Filesize
32KB

Download
memory/1972-55-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/1972-56-0x0000000008A50000-0x0000000008B4E000-memory.dmp

Filesize
1016KB

Download
memory/1972-57-0x00000000007F0000-0x000000000080A000-memory.dmp

Filesize
104KB

Download
memory/1972-58-0x00000000088A0000-0x0000000008932000-memory.dmp

Filesize
584KB

Download
memory/1972-65-0x0000000000B70000-0x0000000000BA0000-memory.dmp

Filesize
192KB

Download
memory/1972-80-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/1972-81-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads