agenttesla | babe8af30bd98ac62931c8faa838e70b89c1dd3ad876524d589617558277decc

General

Target

Orden de compra firmada.exe
Size

626KB
MD5

0466fd9d3d3c4cd519b6c0885d7838ff
SHA1

49df7bcddf14d5ef65f58388f910fdee92fbabc3
SHA256

9d0b55b01cddcffb1cdf580e5e6db790e468ba6ee587a533905b6ddc2743f609
SHA512

bef599b10a7de401006137a13471967e601f9fed5c6f1dd5613c25009e3af1309fc3c11c07a9cf09484631eb66b7c85a06e277970b1b6f8dbf640add6eb67723
SSDEEP

12288:8Xw42IQvlCqM15wgi+DlOcgbWvhJX85GJH8ICdW9:8Xw42I6lCqMvwg7DlOCOK8bdw

Score

10^/10

agenttesla redline collection infostealer keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5995325649:AAF8FPfLIOq-sJZTLJ5YMiZs_1YNkLbVv0o/

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/100-143-0x0000000004DC0000-0x0000000004E26000-memory.dmp	redline_stealer
behavioral2/memory/100-146-0x00000000064C0000-0x0000000006682000-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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Orden de compra firmada.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Orden de compra firmada.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Orden de compra firmada.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4528 set thread context of 100	4528	Orden de compra firmada.exe	84

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	100	Orden de compra firmada.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
100	Orden de compra firmada.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 100	4528	Orden de compra firmada.exe	84
PID 4528 wrote to memory of 100	4528	Orden de compra firmada.exe	84
PID 4528 wrote to memory of 100	4528	Orden de compra firmada.exe	84
PID 4528 wrote to memory of 100	4528	Orden de compra firmada.exe	84
PID 4528 wrote to memory of 100	4528	Orden de compra firmada.exe	84
PID 4528 wrote to memory of 100	4528	Orden de compra firmada.exe	84
PID 4528 wrote to memory of 100	4528	Orden de compra firmada.exe	84
PID 4528 wrote to memory of 100	4528	Orden de compra firmada.exe	84

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	Orden de compra firmada.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	Orden de compra firmada.exe

C:\Users\Admin\AppData\Local\Temp\Orden de compra firmada.exe
"C:\Users\Admin\AppData\Local\Temp\Orden de compra firmada.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Users\Admin\AppData\Local\Temp\Orden de compra firmada.exe
  "C:\Users\Admin\AppData\Local\Temp\Orden de compra firmada.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:100

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\Orden de compra firmada.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/100-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/100-147-0x0000000004D40000-0x0000000004D50000-memory.dmp

Filesize
64KB

Download
memory/100-146-0x00000000064C0000-0x0000000006682000-memory.dmp

Filesize
1.8MB

Download
memory/100-145-0x0000000006180000-0x00000000061D0000-memory.dmp

Filesize
320KB

Download
memory/100-144-0x0000000004D40000-0x0000000004D50000-memory.dmp

Filesize
64KB

Download
memory/100-143-0x0000000004DC0000-0x0000000004E26000-memory.dmp

Filesize
408KB

Download
memory/4528-136-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/4528-139-0x0000000007540000-0x00000000075DC000-memory.dmp

Filesize
624KB

Download
memory/4528-138-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/4528-137-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/4528-133-0x0000000000D50000-0x0000000000DF2000-memory.dmp

Filesize
648KB

Download
memory/4528-135-0x0000000005790000-0x0000000005822000-memory.dmp

Filesize
584KB

Download
memory/4528-134-0x0000000005C40000-0x00000000061E4000-memory.dmp

Filesize
5.6MB

Download

Analysis

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