agenttesla | f3ef6817953ca158c6659bc08c6bbcc27f834a7143426910383e79030109fd2c

General

Target

LDR Quote - 014.exe
Size

804KB
MD5

eb909348dd9474bd37ff32c9e314e617
SHA1

6c1bad83c65120f65477f5c7c2f92e313d9a707b
SHA256

f3ef6817953ca158c6659bc08c6bbcc27f834a7143426910383e79030109fd2c
SHA512

9de7fb1c3be177a9d7a471578fa969fe11562b639b835c672620b6cd061b7f2a2096f8b83bde5f1c8ca01d467ac1f795f3d82cccdb27954ad99bcc1fcc509de5

Score

10^/10

agenttesla keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
Mix2lower12?..

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1424-5-0x0000000000400000-0x00000000004A5000-memory.dmp	family_agenttesla
behavioral1/memory/1424-6-0x00000000002C0000-0x000000000030C000-memory.dmp	family_agenttesla
behavioral1/memory/1424-8-0x0000000000220000-0x0000000000267000-memory.dmp	family_agenttesla

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1424-2-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral1/memory/1424-4-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral1/memory/1424-5-0x0000000000400000-0x00000000004A5000-memory.dmp	upx

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\LDR Quote - 014.vbs	notepad.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

description	pid	Process	procid_target
PID 616 set thread context of 1424	616	LDR Quote - 014.exe	25

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
616	LDR Quote - 014.exe
1424	LDR Quote - 014.exe
1424	LDR Quote - 014.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
616	LDR Quote - 014.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1424	LDR Quote - 014.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 616 wrote to memory of 1260	616	LDR Quote - 014.exe	24
PID 616 wrote to memory of 1260	616	LDR Quote - 014.exe	24
PID 616 wrote to memory of 1260	616	LDR Quote - 014.exe	24
PID 616 wrote to memory of 1260	616	LDR Quote - 014.exe	24
PID 616 wrote to memory of 1260	616	LDR Quote - 014.exe	24
PID 616 wrote to memory of 1260	616	LDR Quote - 014.exe	24
PID 616 wrote to memory of 1424	616	LDR Quote - 014.exe	25
PID 616 wrote to memory of 1424	616	LDR Quote - 014.exe	25
PID 616 wrote to memory of 1424	616	LDR Quote - 014.exe	25
PID 616 wrote to memory of 1424	616	LDR Quote - 014.exe	25

C:\Users\Admin\AppData\Local\Temp\LDR Quote - 014.exe
"C:\Users\Admin\AppData\Local\Temp\LDR Quote - 014.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:616
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  PID:1260
- C:\Users\Admin\AppData\Local\Temp\LDR Quote - 014.exe
  "C:\Users\Admin\AppData\Local\Temp\LDR Quote - 014.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1424

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1260-1-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1424-2-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1424-4-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1424-5-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1424-6-0x00000000002C0000-0x000000000030C000-memory.dmp

Filesize
304KB

Download
memory/1424-7-0x0000000002062000-0x0000000002063000-memory.dmp

Filesize
4KB

Download
memory/1424-8-0x0000000000220000-0x0000000000267000-memory.dmp

Filesize
284KB

Download

Analysis

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