agenttesla | 8fb654a0bb85f09daf9cd720d8345b0ec963a670302b8c124ecddad77964c8b9

General

Target

DOC-BVCG6655-76854345679876542345876.exe
Size

207KB
MD5

5929d1fa9e45aece1d409be6b2013235
SHA1

006125ceddef1d018f9f605def57ec29c3e655a0
SHA256

8fb654a0bb85f09daf9cd720d8345b0ec963a670302b8c124ecddad77964c8b9
SHA512

5b80a21d2ae1edf6f5526fd381971112eae63ae18006cee1c062e5288561cd300bdbb432cbba1dd7869f6dbb673543f722fd01da1885051c66ee2343b298e171
SSDEEP

3072:RFuyRDq2slZlz269x5bA59Mfo0y9KKuPIoBB0OzVpnoEJ4GGZKUyyfPDSvlcfxv4:R1FslZpx5b80ZHBSO3d4GqPfbSvqn4

Score

10^/10

agenttesla redline collection infostealer keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6120421924:AAHfDg3lTzDUW4O1CSc9eyT6zf8UpaOZqyY/

Signatures

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

Detects Redline Stealer samples 2 IoCs

This rule detects the presence of Redline Stealer samples based on their unique strings.

stealer

resource	yara_rule
behavioral2/memory/2576-140-0x0000000005080000-0x00000000050E6000-memory.dmp	redline_stealer
behavioral2/memory/2576-144-0x0000000006DD0000-0x0000000006F92000-memory.dmp	redline_stealer

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.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
18	api.ipify.org
19	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 944 set thread context of 2576	944	DOC-BVCG6655-76854345679876542345876.exe	83

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
944	DOC-BVCG6655-76854345679876542345876.exe
944	DOC-BVCG6655-76854345679876542345876.exe
944	DOC-BVCG6655-76854345679876542345876.exe
944	DOC-BVCG6655-76854345679876542345876.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	DOC-BVCG6655-76854345679876542345876.exe
Token: SeDebugPrivilege	2576	Aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2576	Aspnet_compiler.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 2316	944	DOC-BVCG6655-76854345679876542345876.exe	81
PID 944 wrote to memory of 2316	944	DOC-BVCG6655-76854345679876542345876.exe	81
PID 944 wrote to memory of 2316	944	DOC-BVCG6655-76854345679876542345876.exe	81
PID 944 wrote to memory of 3148	944	DOC-BVCG6655-76854345679876542345876.exe	82
PID 944 wrote to memory of 3148	944	DOC-BVCG6655-76854345679876542345876.exe	82
PID 944 wrote to memory of 3148	944	DOC-BVCG6655-76854345679876542345876.exe	82
PID 944 wrote to memory of 2576	944	DOC-BVCG6655-76854345679876542345876.exe	83
PID 944 wrote to memory of 2576	944	DOC-BVCG6655-76854345679876542345876.exe	83
PID 944 wrote to memory of 2576	944	DOC-BVCG6655-76854345679876542345876.exe	83
PID 944 wrote to memory of 2576	944	DOC-BVCG6655-76854345679876542345876.exe	83
PID 944 wrote to memory of 2576	944	DOC-BVCG6655-76854345679876542345876.exe	83
PID 944 wrote to memory of 2576	944	DOC-BVCG6655-76854345679876542345876.exe	83
PID 944 wrote to memory of 2576	944	DOC-BVCG6655-76854345679876542345876.exe	83
PID 944 wrote to memory of 2576	944	DOC-BVCG6655-76854345679876542345876.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\DOC-BVCG6655-76854345679876542345876.exe
"C:\Users\Admin\AppData\Local\Temp\DOC-BVCG6655-76854345679876542345876.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
  2⤵
  PID:2316
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
  2⤵
  PID:3148
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/944-133-0x0000022FBD7E0000-0x0000022FBD814000-memory.dmp

Filesize
208KB

Download
memory/944-134-0x0000022FD8910000-0x0000022FD8920000-memory.dmp

Filesize
64KB

Download
memory/2576-135-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2576-137-0x0000000005630000-0x0000000005BD4000-memory.dmp

Filesize
5.6MB

Download
memory/2576-138-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/2576-139-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/2576-140-0x0000000005080000-0x00000000050E6000-memory.dmp

Filesize
408KB

Download
memory/2576-141-0x0000000006820000-0x00000000068B2000-memory.dmp

Filesize
584KB

Download
memory/2576-142-0x0000000006A10000-0x0000000006A1A000-memory.dmp

Filesize
40KB

Download
memory/2576-143-0x0000000006A20000-0x0000000006A70000-memory.dmp

Filesize
320KB

Download
memory/2576-144-0x0000000006DD0000-0x0000000006F92000-memory.dmp

Filesize
1.8MB

Download
memory/2576-151-0x0000000006B10000-0x0000000006BAC000-memory.dmp

Filesize
624KB

Download

Analysis

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