agenttesla | ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e

General

Target

ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe
Size

538KB
MD5

81d4a6a1d18c240c26756635809b682c
SHA1

b1c0cbc2c15ddc742f9be31123aa074f5762cf1b
SHA256

ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e
SHA512

4b710b2f514845ca990c98338db7881e59101d5f709538ecd8c14b0c9e5c69895a76e5acd6e31d0f12ed8ec253ce1b61a57dda662d0c663fe83297984b67b39a
SSDEEP

12288:bU0+AzBAeB1hMqKvCUaJ1Cu18cSYsK8jWRPUS:1+Af/7Yu1vsnjI7

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.svetigeorgije.co.rs
Port:
21
Username:
[email protected]
Password:
4c5H&b2whkD9

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

resource	yara_rule
behavioral1/memory/2576-15-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2576-11-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2576-13-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2576-8-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2576-17-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral1/memory/2188-3-0x0000000002040000-0x00000000020C4000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	regasm.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2416	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	29
PID 2188 wrote to memory of 2416	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	29
PID 2188 wrote to memory of 2416	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	29
PID 2188 wrote to memory of 2416	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	29
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2576	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	30
PID 2188 wrote to memory of 2632	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	31
PID 2188 wrote to memory of 2632	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	31
PID 2188 wrote to memory of 2632	2188	ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

C:\Users\Admin\AppData\Local\Temp\ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe
"C:\Users\Admin\AppData\Local\Temp\ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:2416
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2576
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2188 -s 668
  2⤵
  PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2188-0-0x000007FEF5673000-0x000007FEF5674000-memory.dmp

Filesize
4KB

Download
memory/2188-1-0x00000000002A0000-0x00000000002AA000-memory.dmp

Filesize
40KB

Download
memory/2188-2-0x000007FEF5670000-0x000007FEF605C000-memory.dmp

Filesize
9.9MB

Download
memory/2188-3-0x0000000002040000-0x00000000020C4000-memory.dmp

Filesize
528KB

Download
memory/2188-19-0x000007FEF5670000-0x000007FEF605C000-memory.dmp

Filesize
9.9MB

Download
memory/2188-18-0x000007FEF5673000-0x000007FEF5674000-memory.dmp

Filesize
4KB

Download
memory/2576-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2576-13-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2576-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2576-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2576-4-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2576-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2576-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

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