agenttesla | 735694a7f2a6d4d3d004171c2f7f63170342fadf8dcf57ce482660fa26099c93

General

Target

5440b600e0e6697e63b48eb09ab81c0e.exe
Size

1.0MB
MD5

5440b600e0e6697e63b48eb09ab81c0e
SHA1

5a29e9bc01719df24de302b686c60662d4c06d7d
SHA256

735694a7f2a6d4d3d004171c2f7f63170342fadf8dcf57ce482660fa26099c93
SHA512

9bf3f9ca511a83c3dc10de2e5f7d7ce4c48d8632db4730340f277a6653e7ea208cf56398894ca5ae6349da5e330ed7925418b86efda7f92b94f5186f9b658c7c
SSDEEP

12288:jldcUo2Ahe9TebuuSnIfMwq4rwL8t3SJWZ3gsPQrmADbPwbCiEqoqFX/N1fVNiaP:no2A4dLTwNQWisPu7bIpEqp/NJKaoG

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ozbayplastik.com.tr
Port:
587
Username:
[email protected]
Password:
ozbay4525

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3904-12-0x0000000000400000-0x000000000043C000-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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5440b600e0e6697e63b48eb09ab81c0e.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5440b600e0e6697e63b48eb09ab81c0e.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5440b600e0e6697e63b48eb09ab81c0e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2940 set thread context of 3904	2940	5440b600e0e6697e63b48eb09ab81c0e.exe	106

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3904	5440b600e0e6697e63b48eb09ab81c0e.exe
3904	5440b600e0e6697e63b48eb09ab81c0e.exe
3904	5440b600e0e6697e63b48eb09ab81c0e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3904	5440b600e0e6697e63b48eb09ab81c0e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3904	5440b600e0e6697e63b48eb09ab81c0e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 3904	2940	5440b600e0e6697e63b48eb09ab81c0e.exe	106
PID 2940 wrote to memory of 3904	2940	5440b600e0e6697e63b48eb09ab81c0e.exe	106
PID 2940 wrote to memory of 3904	2940	5440b600e0e6697e63b48eb09ab81c0e.exe	106
PID 2940 wrote to memory of 3904	2940	5440b600e0e6697e63b48eb09ab81c0e.exe	106
PID 2940 wrote to memory of 3904	2940	5440b600e0e6697e63b48eb09ab81c0e.exe	106
PID 2940 wrote to memory of 3904	2940	5440b600e0e6697e63b48eb09ab81c0e.exe	106
PID 2940 wrote to memory of 3904	2940	5440b600e0e6697e63b48eb09ab81c0e.exe	106
PID 2940 wrote to memory of 3904	2940	5440b600e0e6697e63b48eb09ab81c0e.exe	106

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5440b600e0e6697e63b48eb09ab81c0e.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5440b600e0e6697e63b48eb09ab81c0e.exe

C:\Users\Admin\AppData\Local\Temp\5440b600e0e6697e63b48eb09ab81c0e.exe
"C:\Users\Admin\AppData\Local\Temp\5440b600e0e6697e63b48eb09ab81c0e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\5440b600e0e6697e63b48eb09ab81c0e.exe
  "C:\Users\Admin\AppData\Local\Temp\5440b600e0e6697e63b48eb09ab81c0e.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

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\5440b600e0e6697e63b48eb09ab81c0e.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/2940-10-0x0000000008120000-0x00000000081B8000-memory.dmp

Filesize
608KB

Download
memory/2940-16-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/2940-3-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/2940-4-0x0000000005680000-0x000000000571C000-memory.dmp

Filesize
624KB

Download
memory/2940-5-0x0000000005840000-0x0000000005850000-memory.dmp

Filesize
64KB

Download
memory/2940-6-0x00000000055A0000-0x00000000055AA000-memory.dmp

Filesize
40KB

Download
memory/2940-7-0x0000000007EC0000-0x0000000007EDA000-memory.dmp

Filesize
104KB

Download
memory/2940-8-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/2940-9-0x0000000005840000-0x0000000005850000-memory.dmp

Filesize
64KB

Download
memory/2940-0-0x0000000000A00000-0x0000000000B12000-memory.dmp

Filesize
1.1MB

Download
memory/2940-2-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/2940-1-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/2940-11-0x000000000B8F0000-0x000000000B92C000-memory.dmp

Filesize
240KB

Download
memory/3904-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3904-15-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/3904-17-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/3904-18-0x0000000005BD0000-0x0000000005BE8000-memory.dmp

Filesize
96KB

Download
memory/3904-19-0x0000000006470000-0x00000000064D6000-memory.dmp

Filesize
408KB

Download
memory/3904-20-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/3904-21-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/3904-22-0x00000000066A0000-0x00000000066F0000-memory.dmp

Filesize
320KB

Download

Analysis

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