agenttesla | b5079461ffd9400417d650bbfab5478eac97e86a4a65c9e2b286bf52345b761e

Analysis

max time kernel
110s
max time network
129s
platform
windows10_x64
resource
win10
submitted
18/08/2020, 07:41

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General

Target
Balance Payment Performance invoice 17082020.exe
Size 820KB
Sample200818-qqjsj16yex
SHA256 b5079461ffd9400417d650bbfab5478eac97e86a4a65c9e2b286bf52345b761e
MD5 af4718940f31da662e2635d8423a7ad3
SHA1 32e3db18628098839d89fc64b3cc5bb1d65c5c3d
SHA512 c585ea0b76657819638bdc33dda5fe314569f61058a5a889d451a8bd089571b65e424e81383ebebc7bb4b09c6a5c88179b8f39216868039fc8ea1898d478e7e7
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer trojan spyware agenttesla

Malware Config

Extracted

Credentials

Protocol
smtp
Host
smtp.seldon-petroleum.com
Port
587
Username
[email protected]
Password
qw*b{sK0+S2m

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/3284-13-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral2/memory/3284-13-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral2/memory/3284-14-0x000000000046118E-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 3828 set thread context of 3284	3828	Balance Payment Performance invoice 17082020.exe	69

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
3856	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3284	Balance Payment Performance invoice 17082020.exe
3284	Balance Payment Performance invoice 17082020.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3284	Balance Payment Performance invoice 17082020.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 3856	3828	Balance Payment Performance invoice 17082020.exe	67
PID 3828 wrote to memory of 3856	3828	Balance Payment Performance invoice 17082020.exe	67
PID 3828 wrote to memory of 3856	3828	Balance Payment Performance invoice 17082020.exe	67
PID 3828 wrote to memory of 3284	3828	Balance Payment Performance invoice 17082020.exe	69
PID 3828 wrote to memory of 3284	3828	Balance Payment Performance invoice 17082020.exe	69
PID 3828 wrote to memory of 3284	3828	Balance Payment Performance invoice 17082020.exe	69
PID 3828 wrote to memory of 3284	3828	Balance Payment Performance invoice 17082020.exe	69
PID 3828 wrote to memory of 3284	3828	Balance Payment Performance invoice 17082020.exe	69
PID 3828 wrote to memory of 3284	3828	Balance Payment Performance invoice 17082020.exe	69
PID 3828 wrote to memory of 3284	3828	Balance Payment Performance invoice 17082020.exe	69
PID 3828 wrote to memory of 3284	3828	Balance Payment Performance invoice 17082020.exe	69

C:\Users\Admin\AppData\Local\Temp\Balance Payment Performance invoice 17082020.exe
"C:\Users\Admin\AppData\Local\Temp\Balance Payment Performance invoice 17082020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\txKySmKDBuJFzQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE1B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3856
- C:\Users\Admin\AppData\Local\Temp\Balance Payment Performance invoice 17082020.exe
  "C:\Users\Admin\AppData\Local\Temp\Balance Payment Performance invoice 17082020.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3284

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/3284-22-0x0000000005E20000-0x0000000005E21000-memory.dmp

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memory/3284-21-0x00000000057C0000-0x00000000057C1000-memory.dmp

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memory/3284-16-0x0000000073580000-0x0000000073C6E000-memory.dmp

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memory/3284-13-0x0000000000400000-0x0000000000466000-memory.dmp

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memory/3828-5-0x00000000057C0000-0x00000000057C1000-memory.dmp

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memory/3828-9-0x0000000006550000-0x00000000065EC000-memory.dmp

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memory/3828-10-0x00000000065F0000-0x0000000006661000-memory.dmp

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memory/3828-8-0x0000000005930000-0x0000000005933000-memory.dmp

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memory/3828-7-0x00000000059C0000-0x00000000059C1000-memory.dmp

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memory/3828-6-0x00000000056D0000-0x00000000056D1000-memory.dmp

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memory/3828-0-0x0000000073580000-0x0000000073C6E000-memory.dmp

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memory/3828-4-0x0000000005CC0000-0x0000000005CC1000-memory.dmp

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memory/3828-3-0x0000000005720000-0x0000000005721000-memory.dmp

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memory/3828-1-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

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