agenttesla | e8bc1fa2b809ab8be04a697cde6ddd4bad7a9120c60b3793f76d5fcc17d7423e

General

Target

2240ffa89dd78ee632e5b3cba2ee1752.exe
Size

566KB
MD5

2240ffa89dd78ee632e5b3cba2ee1752
SHA1

20835491982298bedf1548d1e3d2568f0450cd8d
SHA256

e8bc1fa2b809ab8be04a697cde6ddd4bad7a9120c60b3793f76d5fcc17d7423e
SHA512

0cf7daedee1e3970b1dd77aab3bc981b2214c538380134ce60100650a5744fa5934d58725d670a0cd0a673651ddd7d5750e781fffcfa5972ce47687d8cb7bca3
SSDEEP

12288:x3RsoKsa9PwTY81ldzx8T510mftHshrFNvFXcxACYZ:xBQeY81ldCL0zhrjvyACu

Score

10^/10

agenttesla redline collection infostealer keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.amwi.net
Port:
587
Username:
[email protected]
Password:
7_2se8Gr
Email To:
[email protected]

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/2160-143-0x00000000057B0000-0x0000000005816000-memory.dmp	redline_stealer
behavioral2/memory/2160-146-0x0000000007510000-0x00000000076D2000-memory.dmp	redline_stealer

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2240ffa89dd78ee632e5b3cba2ee1752.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2240ffa89dd78ee632e5b3cba2ee1752.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2240ffa89dd78ee632e5b3cba2ee1752.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
37	api.ipify.org
38	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1536 set thread context of 2160	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1536	2240ffa89dd78ee632e5b3cba2ee1752.exe
1536	2240ffa89dd78ee632e5b3cba2ee1752.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe
Token: SeDebugPrivilege	2160	2240ffa89dd78ee632e5b3cba2ee1752.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 2160	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe	91
PID 1536 wrote to memory of 2160	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe	91
PID 1536 wrote to memory of 2160	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe	91
PID 1536 wrote to memory of 2160	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe	91
PID 1536 wrote to memory of 2160	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe	91
PID 1536 wrote to memory of 2160	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe	91
PID 1536 wrote to memory of 2160	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe	91
PID 1536 wrote to memory of 2160	1536	2240ffa89dd78ee632e5b3cba2ee1752.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2240ffa89dd78ee632e5b3cba2ee1752.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2240ffa89dd78ee632e5b3cba2ee1752.exe

C:\Users\Admin\AppData\Local\Temp\2240ffa89dd78ee632e5b3cba2ee1752.exe
"C:\Users\Admin\AppData\Local\Temp\2240ffa89dd78ee632e5b3cba2ee1752.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Users\Admin\AppData\Local\Temp\2240ffa89dd78ee632e5b3cba2ee1752.exe
  "C:\Users\Admin\AppData\Local\Temp\2240ffa89dd78ee632e5b3cba2ee1752.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2160

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\2240ffa89dd78ee632e5b3cba2ee1752.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1536-139-0x0000000006960000-0x00000000069FC000-memory.dmp

Filesize
624KB

Download
memory/1536-135-0x0000000004AA0000-0x0000000004B32000-memory.dmp

Filesize
584KB

Download
memory/1536-136-0x0000000004B50000-0x0000000004B5A000-memory.dmp

Filesize
40KB

Download
memory/1536-137-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/1536-138-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/1536-133-0x0000000000060000-0x00000000000F4000-memory.dmp

Filesize
592KB

Download
memory/1536-134-0x0000000005150000-0x00000000056F4000-memory.dmp

Filesize
5.6MB

Download
memory/2160-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2160-143-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download
memory/2160-144-0x0000000005870000-0x0000000005880000-memory.dmp

Filesize
64KB

Download
memory/2160-145-0x00000000071D0000-0x0000000007220000-memory.dmp

Filesize
320KB

Download
memory/2160-146-0x0000000007510000-0x00000000076D2000-memory.dmp

Filesize
1.8MB

Download
memory/2160-147-0x0000000005870000-0x0000000005880000-memory.dmp

Filesize
64KB

Download

Analysis

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