agenttesla | 487500b146be45b4fbdaf075c583c4f1da0774e70827f4b0c36af76237d08c12

General

Target

QVJHJ4CTW3iTs71.exe
Size

395KB
MD5

e7b1731af9a1fe9da86cfd837ccf2b41
SHA1

0fba301dcadccb302e8bce2efa61155dab37b21f
SHA256

487500b146be45b4fbdaf075c583c4f1da0774e70827f4b0c36af76237d08c12
SHA512

8ade362708d88da0e6e347892e91786540dda23f038ed26737769f914521071501f1f715e1656293683087d860816b10005ecad5cf2ec950a17e4a14f94630f3

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1990818097:AAEwom4DVSnyX5nLZhtvlrvCnmzUsVj23cE/sendDocument

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1860-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1860-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1860-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1860-65-0x00000000004378AE-mapping.dmp	family_agenttesla
behavioral1/memory/1860-66-0x0000000000400000-0x000000000043C000-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
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

Processes:

QVJHJ4CTW3iTs71.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QVJHJ4CTW3iTs71.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QVJHJ4CTW3iTs71.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QVJHJ4CTW3iTs71.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

QVJHJ4CTW3iTs71.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\abobexxx = "C:\\Users\\Admin\\AppData\\Local\\Temp\\abobexxx\\abobexxx.exe"	QVJHJ4CTW3iTs71.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

QVJHJ4CTW3iTs71.exe

description pid process target process

PID 1092 set thread context of 1860 1092 QVJHJ4CTW3iTs71.exe QVJHJ4CTW3iTs71.exe

description	pid	process	target process
PID 1092 set thread context of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

QVJHJ4CTW3iTs71.exeQVJHJ4CTW3iTs71.exe

pid	process
1092	QVJHJ4CTW3iTs71.exe
1092	QVJHJ4CTW3iTs71.exe
1092	QVJHJ4CTW3iTs71.exe
1092	QVJHJ4CTW3iTs71.exe
1092	QVJHJ4CTW3iTs71.exe
1092	QVJHJ4CTW3iTs71.exe
1092	QVJHJ4CTW3iTs71.exe
1860	QVJHJ4CTW3iTs71.exe
1860	QVJHJ4CTW3iTs71.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

QVJHJ4CTW3iTs71.exeQVJHJ4CTW3iTs71.exe

description pid process

Token: SeDebugPrivilege 1092 QVJHJ4CTW3iTs71.exe
Token: SeDebugPrivilege 1860 QVJHJ4CTW3iTs71.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

QVJHJ4CTW3iTs71.exe

pid process

1860 QVJHJ4CTW3iTs71.exe

description	pid	process
Token: SeDebugPrivilege	1092	QVJHJ4CTW3iTs71.exe
Token: SeDebugPrivilege	1860	QVJHJ4CTW3iTs71.exe

pid	process
1860	QVJHJ4CTW3iTs71.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

QVJHJ4CTW3iTs71.exe

description	pid	process	target process
PID 1092 wrote to memory of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe
PID 1092 wrote to memory of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe
PID 1092 wrote to memory of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe
PID 1092 wrote to memory of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe
PID 1092 wrote to memory of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe
PID 1092 wrote to memory of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe
PID 1092 wrote to memory of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe
PID 1092 wrote to memory of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe
PID 1092 wrote to memory of 1860	1092	QVJHJ4CTW3iTs71.exe	QVJHJ4CTW3iTs71.exe

outlook_office_path 1 IoCs

Processes:

QVJHJ4CTW3iTs71.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QVJHJ4CTW3iTs71.exe

outlook_win_path 1 IoCs

Processes:

QVJHJ4CTW3iTs71.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QVJHJ4CTW3iTs71.exe

C:\Users\Admin\AppData\Local\Temp\QVJHJ4CTW3iTs71.exe
"C:\Users\Admin\AppData\Local\Temp\QVJHJ4CTW3iTs71.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092

C:\Users\Admin\AppData\Local\Temp\QVJHJ4CTW3iTs71.exe
"C:\Users\Admin\AppData\Local\Temp\QVJHJ4CTW3iTs71.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1860

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1092-54-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/1092-56-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/1092-57-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/1092-58-0x0000000000330000-0x0000000000338000-memory.dmp

Filesize
32KB

Download
memory/1092-59-0x0000000005A00000-0x0000000005A58000-memory.dmp

Filesize
352KB

Download
memory/1860-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1860-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1860-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1860-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1860-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1860-65-0x00000000004378AE-mapping.dmp

Download
memory/1860-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1860-68-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/1860-69-0x0000000004C21000-0x0000000004C22000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads