agenttesla | e71c74d33683e14022e6d0f0e7a14efcf744c7d4aec03216934dbf17eba9eacb

General

Target

scan copy.exe
Size

479KB
MD5

439bff3720a10a5edec44dadfd4e53d7
SHA1

6d1b8ec46da61b2d690f15169e85deec829d45c3
SHA256

e71c74d33683e14022e6d0f0e7a14efcf744c7d4aec03216934dbf17eba9eacb
SHA512

034b8e8f0c0b7ce7e7efdc05e897fe42aef3105ed05e430c8a6a9ea5f92eacc26211ce882ac158966f0d06f052f61f2ff25c4edd5a61fdedcc17bdc00c3ea2f4

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
ogb.oils@yandex.com
Password:
Simple262627

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1044-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1044-3-0x0000000000446CFE-mapping.dmp	family_agenttesla
behavioral1/memory/1044-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1044-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

scan copy.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts scan copy.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

scan copy.exe

description pid process target process

PID 1108 set thread context of 1044 1108 scan copy.exe scan copy.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

scan copy.exescan copy.exe

pid process

1108 scan copy.exe
1108 scan copy.exe
1044 scan copy.exe
1044 scan copy.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

scan copy.exescan copy.exe

description pid process

Token: SeDebugPrivilege 1108 scan copy.exe
Token: SeDebugPrivilege 1044 scan copy.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

scan copy.exe

pid process

1044 scan copy.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	scan copy.exe

description	pid	process	target process
PID 1108 set thread context of 1044	1108	scan copy.exe	scan copy.exe

pid	process
1108	scan copy.exe
1108	scan copy.exe
1044	scan copy.exe
1044	scan copy.exe

description	pid	process
Token: SeDebugPrivilege	1108	scan copy.exe
Token: SeDebugPrivilege	1044	scan copy.exe

pid	process
1044	scan copy.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

scan copy.exe

description	pid	process	target process
PID 1108 wrote to memory of 1044	1108	scan copy.exe	scan copy.exe
PID 1108 wrote to memory of 1044	1108	scan copy.exe	scan copy.exe
PID 1108 wrote to memory of 1044	1108	scan copy.exe	scan copy.exe
PID 1108 wrote to memory of 1044	1108	scan copy.exe	scan copy.exe
PID 1108 wrote to memory of 1044	1108	scan copy.exe	scan copy.exe
PID 1108 wrote to memory of 1044	1108	scan copy.exe	scan copy.exe
PID 1108 wrote to memory of 1044	1108	scan copy.exe	scan copy.exe
PID 1108 wrote to memory of 1044	1108	scan copy.exe	scan copy.exe
PID 1108 wrote to memory of 1044	1108	scan copy.exe	scan copy.exe

C:\Users\Admin\AppData\Local\Temp\scan copy.exe
"C:\Users\Admin\AppData\Local\Temp\scan copy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108

C:\Users\Admin\AppData\Local\Temp\scan copy.exe
"C:\Users\Admin\AppData\Local\Temp\scan copy.exe"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1044

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1044-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1044-3-0x0000000000446CFE-mapping.dmp

Download
memory/1044-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1044-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1108-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download

Analysis

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