agenttesla | 7089d3a0624614b3506b5c920a9b261313946c39a0625db5b2d4583dbc92321a

Analysis

max time kernel
69s
max time network
66s
platform
windows7_x64
resource
win7
submitted
08/07/2020, 08:38

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General

Target

List_N°_85398pdf.exe

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg2plcpnl0180.prod.sin2.secureserver.net
Port:
587
Username:
[email protected]
Password:
Prasad@gis3

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/284-2-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/284-3-0x000000000044A99E-mapping.dmp	family_agenttesla
behavioral1/memory/284-4-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/284-5-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

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 1100 set thread context of 284	1100	List_N°_85398pdf.exe	29

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

pid	Process
1464	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1100	List_N°_85398pdf.exe
1100	List_N°_85398pdf.exe
1100	List_N°_85398pdf.exe
1100	List_N°_85398pdf.exe
284	List_N°_85398pdf.exe
284	List_N°_85398pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	List_N°_85398pdf.exe
Token: SeDebugPrivilege	284	List_N°_85398pdf.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1464	1100	List_N°_85398pdf.exe	24
PID 1100 wrote to memory of 1464	1100	List_N°_85398pdf.exe	24
PID 1100 wrote to memory of 1464	1100	List_N°_85398pdf.exe	24
PID 1100 wrote to memory of 1464	1100	List_N°_85398pdf.exe	24
PID 1100 wrote to memory of 912	1100	List_N°_85398pdf.exe	26
PID 1100 wrote to memory of 912	1100	List_N°_85398pdf.exe	26
PID 1100 wrote to memory of 912	1100	List_N°_85398pdf.exe	26
PID 1100 wrote to memory of 912	1100	List_N°_85398pdf.exe	26
PID 1100 wrote to memory of 544	1100	List_N°_85398pdf.exe	27
PID 1100 wrote to memory of 544	1100	List_N°_85398pdf.exe	27
PID 1100 wrote to memory of 544	1100	List_N°_85398pdf.exe	27
PID 1100 wrote to memory of 544	1100	List_N°_85398pdf.exe	27
PID 1100 wrote to memory of 796	1100	List_N°_85398pdf.exe	28
PID 1100 wrote to memory of 796	1100	List_N°_85398pdf.exe	28
PID 1100 wrote to memory of 796	1100	List_N°_85398pdf.exe	28
PID 1100 wrote to memory of 796	1100	List_N°_85398pdf.exe	28
PID 1100 wrote to memory of 284	1100	List_N°_85398pdf.exe	29
PID 1100 wrote to memory of 284	1100	List_N°_85398pdf.exe	29
PID 1100 wrote to memory of 284	1100	List_N°_85398pdf.exe	29
PID 1100 wrote to memory of 284	1100	List_N°_85398pdf.exe	29
PID 1100 wrote to memory of 284	1100	List_N°_85398pdf.exe	29
PID 1100 wrote to memory of 284	1100	List_N°_85398pdf.exe	29
PID 1100 wrote to memory of 284	1100	List_N°_85398pdf.exe	29
PID 1100 wrote to memory of 284	1100	List_N°_85398pdf.exe	29
PID 1100 wrote to memory of 284	1100	List_N°_85398pdf.exe	29
PID 284 wrote to memory of 1920	284	List_N°_85398pdf.exe	33
PID 284 wrote to memory of 1920	284	List_N°_85398pdf.exe	33
PID 284 wrote to memory of 1920	284	List_N°_85398pdf.exe	33
PID 284 wrote to memory of 1920	284	List_N°_85398pdf.exe	33

C:\Users\Admin\AppData\Local\Temp\List_N°_85398pdf.exe
"C:\Users\Admin\AppData\Local\Temp\List_N°_85398pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QGvNaXwmyrukZv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB2AB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1464
- C:\Users\Admin\AppData\Local\Temp\List_N°_85398pdf.exe
  "{path}"
  2⤵
  PID:912
- C:\Users\Admin\AppData\Local\Temp\List_N°_85398pdf.exe
  "{path}"
  2⤵
  PID:544
- C:\Users\Admin\AppData\Local\Temp\List_N°_85398pdf.exe
  "{path}"
  2⤵
  PID:796
- C:\Users\Admin\AppData\Local\Temp\List_N°_85398pdf.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:284
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/284-2-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/284-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/284-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download