agenttesla | e46618f0270d9929397a5d667b7133ddfb836d08d10d8cf83687b0b71d37cf95

Analysis

max time kernel
114s
max time network
105s
platform
windows10_x64
resource
win10v200722
submitted
18/08/2020, 12:01

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General

Target
URGENT_U.EXE
Size 775KB
Sample200818-wkcs6mscdj
SHA256 e46618f0270d9929397a5d667b7133ddfb836d08d10d8cf83687b0b71d37cf95
MD5 170790078c757aad4e686e0efc3a254f
SHA1 7dce9ce43666e9a3b8672a25c7d7c1c01765ac1b
SHA512 2d2bd2adfbafef0e1b83a5cec3da97538ac1ff18de021edc8df0b24356bc1569b8e066824c632bb2a9ae8f0006f352d3cee52abaf275f4197cc3c4720a79e082
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer spyware trojan agenttesla

Malware Config

Extracted

Credentials

Protocol
smtp
Host
smtp.mitsoi.com
Port
587
Username
[email protected]
Password
e7s:_%E2zsPp

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/2696-13-0x0000000000400000-0x000000000045A000-memory.dmp	agent_tesla
behavioral2/memory/2696-13-0x0000000000400000-0x000000000045A000-memory.dmp	agent_tesla
behavioral2/memory/2696-14-0x00000000004547CE-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 4020 set thread context of 2696	4020	URGENT_U.EXE	75

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
3948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4020	URGENT_U.EXE
4020	URGENT_U.EXE
4020	URGENT_U.EXE
4020	URGENT_U.EXE
2696	URGENT_U.EXE
2696	URGENT_U.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4020	URGENT_U.EXE
Token: SeDebugPrivilege	2696	URGENT_U.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 3948	4020	URGENT_U.EXE	71
PID 4020 wrote to memory of 3948	4020	URGENT_U.EXE	71
PID 4020 wrote to memory of 3948	4020	URGENT_U.EXE	71
PID 4020 wrote to memory of 3888	4020	URGENT_U.EXE	73
PID 4020 wrote to memory of 3888	4020	URGENT_U.EXE	73
PID 4020 wrote to memory of 3888	4020	URGENT_U.EXE	73
PID 4020 wrote to memory of 2660	4020	URGENT_U.EXE	74
PID 4020 wrote to memory of 2660	4020	URGENT_U.EXE	74
PID 4020 wrote to memory of 2660	4020	URGENT_U.EXE	74
PID 4020 wrote to memory of 2696	4020	URGENT_U.EXE	75
PID 4020 wrote to memory of 2696	4020	URGENT_U.EXE	75
PID 4020 wrote to memory of 2696	4020	URGENT_U.EXE	75
PID 4020 wrote to memory of 2696	4020	URGENT_U.EXE	75
PID 4020 wrote to memory of 2696	4020	URGENT_U.EXE	75
PID 4020 wrote to memory of 2696	4020	URGENT_U.EXE	75
PID 4020 wrote to memory of 2696	4020	URGENT_U.EXE	75
PID 4020 wrote to memory of 2696	4020	URGENT_U.EXE	75

C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE
"C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eSkCkd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A64.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3948
- C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE
  "C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE"
  2⤵
  PID:3888
- C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE
  "C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE"
  2⤵
  PID:2660
- C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE
  "C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696

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

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Downloads

memory/2696-22-0x0000000006440000-0x0000000006441000-memory.dmp

Download

memory/2696-21-0x00000000058B0000-0x00000000058B1000-memory.dmp

Download

memory/2696-16-0x0000000073520000-0x0000000073C0E000-memory.dmp

Download

memory/2696-13-0x0000000000400000-0x000000000045A000-memory.dmp

Download

memory/4020-5-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Download

memory/4020-10-0x0000000005BB0000-0x0000000005C15000-memory.dmp

Download

memory/4020-9-0x0000000005B20000-0x0000000005BA8000-memory.dmp

Download

memory/4020-8-0x00000000027B0000-0x00000000027B3000-memory.dmp

Download

memory/4020-7-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Download

memory/4020-6-0x0000000002750000-0x0000000002751000-memory.dmp

Download

memory/4020-0-0x0000000073520000-0x0000000073C0E000-memory.dmp

Download

memory/4020-4-0x00000000052C0000-0x00000000052C1000-memory.dmp

Download

memory/4020-3-0x0000000004D20000-0x0000000004D21000-memory.dmp

Download

memory/4020-1-0x00000000003C0000-0x00000000003C1000-memory.dmp

Download