agenttesla | 1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172

General

Target

1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
Size

1.2MB
MD5

c6ab4341c098e5c9e7e340773fbb7493
SHA1

e9020cc72a7fe481a7221e311cf1f3ea28ecf57f
SHA256

1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172
SHA512

60d3d8c2eefc558ca062b0052c8d1e63d2f83a771520b654d0e1467aee8692401427a8150b20bc220a2879513af349f9c4d38aa62d0d8bf94cc3c379b89a93b5

Score

10^/10

agenttesla 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

AgentTesla Payload 6 IoCs

resource	yara_rule
behavioral1/memory/1012-60-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1012-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1012-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1012-63-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral1/memory/1012-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1012-67-0x0000000000400000-0x000000000043C000-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-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1012	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe
1012	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29
PID 628 wrote to memory of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29
PID 628 wrote to memory of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29
PID 628 wrote to memory of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29
PID 628 wrote to memory of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29
PID 628 wrote to memory of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29
PID 628 wrote to memory of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29
PID 628 wrote to memory of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29
PID 628 wrote to memory of 1012	628	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bf791e2b93a44c3d0b1838c16e2cacae338d3a4beb0e50d772ec933c5a1a172.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\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:628
- 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:1012

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

memory/628-54-0x0000000001300000-0x0000000001432000-memory.dmp

Filesize
1.2MB

Download
memory/628-55-0x00000000003E0000-0x00000000003FE000-memory.dmp

Filesize
120KB

Download
memory/628-56-0x0000000007F90000-0x0000000008050000-memory.dmp

Filesize
768KB

Download
memory/1012-57-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1012-58-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1012-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1012-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1012-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1012-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1012-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

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