agenttesla | 5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5

General

Target

5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe
Size

1.3MB
MD5

8cfaea18edcfaa6d07b767f536dd49b8
SHA1

fb5c9207fe390526d2c7a1a4602cb13e9947400c
SHA256

5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5
SHA512

769d7732517188ab5ed93c5d091ff9be85e16a1f9a36e4cbb67f05e8d6e733d8723f487496c5d405ac6f19cad8737b72d54dae83c6764e944ee435562f98bc9e
SSDEEP

24576:Mk3r2BvMMMU/tHSk4RaH6s5KvgpLOfi0uOULYxp9v+ocVhOvrgXRwzxam:7y9Mj9opLGiJYxvv+omh6gXR+4m

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

Processes:

resource	yara_rule
behavioral1/memory/1312-10-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1312-19-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1312-17-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1312-15-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1312-12-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3028-6-0x00000000020D0000-0x0000000002152000-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

Processes:

regasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe

description	pid	process	target process
PID 3028 set thread context of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 1312 regasm.exe

description	pid	process
Token: SeDebugPrivilege	1312	regasm.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe

description	pid	process	target process
PID 3028 wrote to memory of 2216	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	AddInProcess32.exe
PID 3028 wrote to memory of 2216	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	AddInProcess32.exe
PID 3028 wrote to memory of 2216	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	AddInProcess32.exe
PID 3028 wrote to memory of 2216	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	AddInProcess32.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 1312	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	regasm.exe
PID 3028 wrote to memory of 2584	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	WerFault.exe
PID 3028 wrote to memory of 2584	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	WerFault.exe
PID 3028 wrote to memory of 2584	3028	5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

regasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

outlook_win_path 1 IoCs

Processes:

regasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

C:\Users\Admin\AppData\Local\Temp\5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe
"C:\Users\Admin\AppData\Local\Temp\5b0b5154cfa07104cd8b66125de0a8a027cc34fc8f9f5be253585eaf5b4222f5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3028

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
2⤵
PID:2216

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:1312

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3028 -s 632
2⤵
PID:2584

MITRE ATT&CK Matrix ATT&CK v13

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

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1312-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1312-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1312-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1312-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1312-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1312-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1312-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1312-19-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3028-5-0x000007FEF4C60000-0x000007FEF564C000-memory.dmp

Filesize
9.9MB

Download
memory/3028-4-0x000007FEF4C60000-0x000007FEF564C000-memory.dmp

Filesize
9.9MB

Download
memory/3028-2-0x000007FEF4C60000-0x000007FEF564C000-memory.dmp

Filesize
9.9MB

Download
memory/3028-6-0x00000000020D0000-0x0000000002152000-memory.dmp

Filesize
520KB

Download
memory/3028-0-0x000007FEF4C63000-0x000007FEF4C64000-memory.dmp

Filesize
4KB

Download
memory/3028-1-0x0000000000430000-0x0000000000440000-memory.dmp

Filesize
64KB

Download
memory/3028-3-0x000007FEF4C60000-0x000007FEF564C000-memory.dmp

Filesize
9.9MB

Download
memory/3028-20-0x000007FEF4C63000-0x000007FEF4C64000-memory.dmp

Filesize
4KB

Download
memory/3028-21-0x000007FEF4C60000-0x000007FEF564C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads