agenttesla | 7e1a5dbf82214247152ab46db0014c5aa53faa5c21b630900eabfbf795147787

General

Target

a40459f1f741836d46666ce9b97a191c.exe
Size

17KB
MD5

a40459f1f741836d46666ce9b97a191c
SHA1

2bc5fad1d7906cca69973978854c55631bdf5513
SHA256

7e1a5dbf82214247152ab46db0014c5aa53faa5c21b630900eabfbf795147787
SHA512

c0bacf88707bd9572656d1eed5bda093262d69f1d699281175117f3afa2dfc8b1c71105c12ce706393166d1e366e98c79d893a5c315278572b60081faa3983ea
SSDEEP

192:wA1NdkCT9ktcs4AZ/Daryr13kQfwvxk4Hkq7n:eCT9MZ/D2yrlffkxtt7

Score

10^/10

agenttesla purecrypter collection downloader keylogger loader spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.expostore.pk
Port:
587
Username:
[email protected]
Password:
Expostore12345@@
Email To:
[email protected]

Signatures

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

Detect PureCrypter injector 1 IoCs

loader

resource	yara_rule
behavioral1/memory/1976-56-0x00000000067B0000-0x0000000006A18000-memory.dmp	family_purecrypter

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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a40459f1f741836d46666ce9b97a191c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a40459f1f741836d46666ce9b97a191c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a40459f1f741836d46666ce9b97a191c.exe

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
576	powershell.exe
1976	a40459f1f741836d46666ce9b97a191c.exe
1976	a40459f1f741836d46666ce9b97a191c.exe
1976	a40459f1f741836d46666ce9b97a191c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	a40459f1f741836d46666ce9b97a191c.exe
Token: SeDebugPrivilege	576	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 576	1976	a40459f1f741836d46666ce9b97a191c.exe	28
PID 1976 wrote to memory of 576	1976	a40459f1f741836d46666ce9b97a191c.exe	28
PID 1976 wrote to memory of 576	1976	a40459f1f741836d46666ce9b97a191c.exe	28
PID 1976 wrote to memory of 576	1976	a40459f1f741836d46666ce9b97a191c.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a40459f1f741836d46666ce9b97a191c.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a40459f1f741836d46666ce9b97a191c.exe

C:\Users\Admin\AppData\Local\Temp\a40459f1f741836d46666ce9b97a191c.exe
"C:\Users\Admin\AppData\Local\Temp\a40459f1f741836d46666ce9b97a191c.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1976
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:576

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

Replay Monitor

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Downloads

memory/576-59-0x000000006ED50000-0x000000006F2FB000-memory.dmp

Filesize
5.7MB

Download
memory/576-60-0x000000006ED50000-0x000000006F2FB000-memory.dmp

Filesize
5.7MB

Download
memory/576-61-0x000000006ED50000-0x000000006F2FB000-memory.dmp

Filesize
5.7MB

Download
memory/1976-54-0x0000000000060000-0x000000000006A000-memory.dmp

Filesize
40KB

Download
memory/1976-55-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/1976-56-0x00000000067B0000-0x0000000006A18000-memory.dmp

Filesize
2.4MB

Download
memory/1976-62-0x0000000005660000-0x00000000056B8000-memory.dmp

Filesize
352KB

Download
memory/1976-63-0x0000000004CC0000-0x0000000004CFC000-memory.dmp

Filesize
240KB

Download

Analysis

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