agenttesla | 03adf92e4aed823e9b79f678c90e739c8a5be7f196b3d56f0850f1cc8e177a3e

Analysis

max time kernel
123s
max time network
122s
platform
windows10_x64
resource
win10
submitted
30/08/2020, 06:44

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
1oqxxftYogLfRuk.exe
Size 1.2MB
Sample200830-wgl7mhv2ca
SHA256 03adf92e4aed823e9b79f678c90e739c8a5be7f196b3d56f0850f1cc8e177a3e
MD5 459a64b11475093ad9653e53b4c92b5f
SHA1 e7b4a2a04ef26cc950eca6ed8e32ca61f9f37a62
SHA512 f6e111f6a88afcdb65d45cf63a2bcf3d3a686e837a25d5dc7508228c2f0499e6ed2b0cbd150794d2c2305abbaaddf32f10a0754d191c831955746cb866f2c6f7
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer spyware trojan agenttesla

Malware Config

Extracted

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
daddyhandsome1234

Signatures

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

AgentTesla Payload 3 IoCs

keylogger stealer

resource	yara_rule
behavioral2/memory/952-13-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral2/memory/952-13-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral2/memory/952-14-0x000000000046105E-mapping.dmp	agent_tesla

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 2896 set thread context of 952	2896	1oqxxftYogLfRuk.exe	78

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

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
1708	schtasks.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 51474c76987ed601	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
952	1oqxxftYogLfRuk.exe
952	1oqxxftYogLfRuk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3172	svchost.exe
Token: SeCreatePagefilePrivilege	3172	svchost.exe
Token: SeDebugPrivilege	952	1oqxxftYogLfRuk.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
952	1oqxxftYogLfRuk.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 1708	2896	1oqxxftYogLfRuk.exe	76
PID 2896 wrote to memory of 1708	2896	1oqxxftYogLfRuk.exe	76
PID 2896 wrote to memory of 1708	2896	1oqxxftYogLfRuk.exe	76
PID 2896 wrote to memory of 952	2896	1oqxxftYogLfRuk.exe	78
PID 2896 wrote to memory of 952	2896	1oqxxftYogLfRuk.exe	78
PID 2896 wrote to memory of 952	2896	1oqxxftYogLfRuk.exe	78
PID 2896 wrote to memory of 952	2896	1oqxxftYogLfRuk.exe	78
PID 2896 wrote to memory of 952	2896	1oqxxftYogLfRuk.exe	78
PID 2896 wrote to memory of 952	2896	1oqxxftYogLfRuk.exe	78
PID 2896 wrote to memory of 952	2896	1oqxxftYogLfRuk.exe	78
PID 2896 wrote to memory of 952	2896	1oqxxftYogLfRuk.exe	78

C:\Users\Admin\AppData\Local\Temp\1oqxxftYogLfRuk.exe
"C:\Users\Admin\AppData\Local\Temp\1oqxxftYogLfRuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GbykCX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF39D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1708
- C:\Users\Admin\AppData\Local\Temp\1oqxxftYogLfRuk.exe
  "C:\Users\Admin\AppData\Local\Temp\1oqxxftYogLfRuk.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:952

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3172

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/952-22-0x0000000005FA0000-0x0000000005FA1000-memory.dmp

Download

memory/952-21-0x00000000058B0000-0x00000000058B1000-memory.dmp

Download

memory/952-16-0x00000000739C0000-0x00000000740AE000-memory.dmp

Download

memory/952-13-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/2896-5-0x0000000007670000-0x0000000007671000-memory.dmp

Download

memory/2896-10-0x0000000008350000-0x00000000083C1000-memory.dmp

Download

memory/2896-9-0x00000000082B0000-0x0000000008346000-memory.dmp

Download

memory/2896-8-0x0000000007840000-0x000000000784B000-memory.dmp

Download

memory/2896-7-0x0000000007890000-0x0000000007891000-memory.dmp

Download

memory/2896-6-0x0000000005210000-0x0000000005211000-memory.dmp

Download

memory/2896-0-0x00000000739C0000-0x00000000740AE000-memory.dmp

Download

memory/2896-4-0x0000000007B70000-0x0000000007B71000-memory.dmp

Download

memory/2896-3-0x00000000075D0000-0x00000000075D1000-memory.dmp

Download

memory/2896-1-0x0000000000790000-0x0000000000791000-memory.dmp

Download