agenttesla | 1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172

General

Target

1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
Size

1.2MB
MD5

c6ab4341c098e5c9e7e340773fbb7493
SHA1

e9020cc72a7fe481a7221e311cf1f3ea28ecf57f
SHA256

1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172
SHA512

60d3d8c2eefc558ca062b0052c8d1e63d2f83a771520b654d0e1467aee8692401427a8150b20bc220a2879513af349f9c4d38aa62d0d8bf94cc3c379b89a93b5

Score

10^/10

agenttesla metastealer collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.hyshippingcn.com
Port:
587
Username:
[email protected]
Password:
e*u@qkS4

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Meta Stealer Stealer
Meta Stealer steals passwords stored in browsers, written in C++.
stealer metastealer

AgentTesla Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1616-140-0x0000000000400000-0x000000000043C000-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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.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
42	api.ipify.org
43	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 224 set thread context of 1616	224	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1616	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
1616	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 1616	224	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	85
PID 224 wrote to memory of 1616	224	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	85
PID 224 wrote to memory of 1616	224	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	85
PID 224 wrote to memory of 1616	224	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	85
PID 224 wrote to memory of 1616	224	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	85
PID 224 wrote to memory of 1616	224	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	85
PID 224 wrote to memory of 1616	224	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	85
PID 224 wrote to memory of 1616	224	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe

C:\Users\Admin\AppData\Local\Temp\1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
"C:\Users\Admin\AppData\Local\Temp\1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:224
- C:\Users\Admin\AppData\Local\Temp\1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

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\1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe.log

Filesize
1KB

MD5
6f8f3a9a57cb30e686d3355e656031e0

SHA1
acccd6befb1a2f40e662280bc5182e086a0d079b

SHA256
283586e83b25099a5698cb9caf9c594a37060d11e0f55c81bb9c6d4f728448ea

SHA512
8f11d645ff4f8d5b1c45b06eb52cd45319659255306d60e80e33abfd04b9e3b1164679f11a8a23bd493e4b3f6b9841d70e553a01835eeaf6035b4d05e4fd7b54

Download Submit
memory/224-133-0x0000000000A60000-0x0000000000B92000-memory.dmp

Filesize
1.2MB

Download
memory/224-134-0x0000000007EF0000-0x0000000008494000-memory.dmp

Filesize
5.6MB

Download
memory/224-135-0x0000000007A20000-0x0000000007AB2000-memory.dmp

Filesize
584KB

Download
memory/224-136-0x0000000007AC0000-0x0000000007ACA000-memory.dmp

Filesize
40KB

Download
memory/224-137-0x000000000A440000-0x000000000A96C000-memory.dmp

Filesize
5.2MB

Download
memory/224-138-0x000000000A3A0000-0x000000000A43C000-memory.dmp

Filesize
624KB

Download
memory/1616-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1616-142-0x0000000005F30000-0x0000000005F96000-memory.dmp

Filesize
408KB

Download
memory/1616-143-0x0000000006B90000-0x0000000006BE0000-memory.dmp

Filesize
320KB

Download

Analysis

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