agenttesla | ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d

General

Target

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
Size

553KB
MD5

0d9af17e7af59794c369d1c480a4dc1d
SHA1

3d74c23fecabe7389aedd61b07f0ab23cf11ecdd
SHA256

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d
SHA512

a55bec9c2e0e5ea0e64b8366c012db07a53b15facbb857786548ca9ef2631a6279d76f537c834df7ce0b7da3d87db6b65e936f112e767b9eaa12243a0cea9cc2

Score

10^/10

agenttesla collection keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
333link00win0303

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1148-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1148-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1148-66-0x000000000044C7AE-mapping.dmp	family_agenttesla
behavioral1/memory/1148-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1148-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1148-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/360-56-0x0000000000BF0000-0x0000000000C48000-memory.dmp	rezer0

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:

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

description	pid	process	target process
PID 360 set thread context of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1224 schtasks.exe

pid	process
1224	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

pid	process
1148	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
1148	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

description pid process

Token: SeDebugPrivilege 1148 ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

pid process

1148 ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

description	pid	process
Token: SeDebugPrivilege	1148	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exeab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

description	pid	process	target process
PID 360 wrote to memory of 1224	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	schtasks.exe
PID 360 wrote to memory of 1224	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	schtasks.exe
PID 360 wrote to memory of 1224	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	schtasks.exe
PID 360 wrote to memory of 1224	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	schtasks.exe
PID 360 wrote to memory of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
PID 360 wrote to memory of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
PID 360 wrote to memory of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
PID 360 wrote to memory of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
PID 360 wrote to memory of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
PID 360 wrote to memory of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
PID 360 wrote to memory of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
PID 360 wrote to memory of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
PID 360 wrote to memory of 1148	360	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
PID 1148 wrote to memory of 1192	1148	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	netsh.exe
PID 1148 wrote to memory of 1192	1148	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	netsh.exe
PID 1148 wrote to memory of 1192	1148	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	netsh.exe
PID 1148 wrote to memory of 1192	1148	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

outlook_win_path 1 IoCs

Processes:

ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe

C:\Users\Admin\AppData\Local\Temp\ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
"C:\Users\Admin\AppData\Local\Temp\ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:360
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LyCgiShv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE715.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1224
- C:\Users\Admin\AppData\Local\Temp\ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1148
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE715.tmp

Filesize
1KB

MD5
225155543e1cfaacdbe0c2a5cae32808

SHA1
1f0b4f31a2b8f5a53f20904ed1f13a671cfbd008

SHA256
377d0735568289718b51fc7b75423a53a44a5b1a40baaeed7ce0bb50ea23295d

SHA512
a1250e138c1507dffb3799f37af11feeec37b1ef07e703c49501c189a5f3bed9b9de1ae2e11ce398a2230727907d76d55d0b4b910432e1dbd97e9d654c8324cf

Download Submit
memory/360-55-0x0000000000420000-0x0000000000436000-memory.dmp

Filesize
88KB

Download
memory/360-56-0x0000000000BF0000-0x0000000000C48000-memory.dmp

Filesize
352KB

Download
memory/360-57-0x0000000075E31000-0x0000000075E33000-memory.dmp

Filesize
8KB

Download
memory/360-54-0x00000000011F0000-0x0000000001280000-memory.dmp

Filesize
576KB

Download
memory/1148-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1148-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1148-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1148-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1148-66-0x000000000044C7AE-mapping.dmp

Download
memory/1148-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1148-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1148-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1192-72-0x0000000000000000-mapping.dmp

Download
memory/1224-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads