agenttesla | 22235f4edec77bf047d6f5f3ea4d7b4abcc5b3468d306cb66b92e49001768fae

Analysis

max time kernel
145s
max time network
147s
platform
windows10_x64
resource
win10
submitted
20/10/2020, 13:06

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General

Target
A200N0045.exe
Size 694KB
Sample201020-dpmav2pbp6
SHA256 22235f4edec77bf047d6f5f3ea4d7b4abcc5b3468d306cb66b92e49001768fae
MD5 69ed2257aef9b1ec1e45b122e3d72cd0
SHA1 a3f1780e001886b92dc88a9965e8e7bd60561f48
SHA512 83e18f4e61e0ed92314e6b6ac727b7246eab4a4be44a8c6099ce5e7bbb74bccfc5738f8446719f07eccffb1007a98838fe7d0d5fdf04bc7bb540c80f1d3174b3
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
us2.smtp.mailhostbox.com
Port
587
Username
[email protected]
Password
EIgjUR%0

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/836-10-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral2/memory/836-11-0x0000000000950000-0x000000000098C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

pid	Process
772	trainee.exe
836	trainee.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/836-6-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/836-9-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/836-10-0x0000000000400000-0x0000000000485000-memory.dmp	upx

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Home.vbs	notepad.exe

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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
16	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 772 set thread context of 836	772	trainee.exe	75

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\traineer\trainee.exe:ZoneIdentifier	notepad.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3024	A200N0045.exe
3024	A200N0045.exe
772	trainee.exe
772	trainee.exe
836	trainee.exe
836	trainee.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
772	trainee.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	836	trainee.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 632	3024	A200N0045.exe	73
PID 3024 wrote to memory of 632	3024	A200N0045.exe	73
PID 3024 wrote to memory of 632	3024	A200N0045.exe	73
PID 3024 wrote to memory of 632	3024	A200N0045.exe	73
PID 3024 wrote to memory of 632	3024	A200N0045.exe	73
PID 632 wrote to memory of 772	632	notepad.exe	74
PID 632 wrote to memory of 772	632	notepad.exe	74
PID 632 wrote to memory of 772	632	notepad.exe	74
PID 772 wrote to memory of 836	772	trainee.exe	75
PID 772 wrote to memory of 836	772	trainee.exe	75
PID 772 wrote to memory of 836	772	trainee.exe	75

C:\Users\Admin\AppData\Local\Temp\A200N0045.exe
"C:\Users\Admin\AppData\Local\Temp\A200N0045.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:632
- - C:\Users\Admin\AppData\Roaming\traineer\trainee.exe
    "C:\Users\Admin\AppData\Roaming\traineer\trainee.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:772
  - - C:\Users\Admin\AppData\Roaming\traineer\trainee.exe
      "C:\Users\Admin\AppData\Roaming\traineer\trainee.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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/772-5-0x0000000000400000-0x00000000004B3000-memory.dmp

Download

memory/836-10-0x0000000000400000-0x0000000000485000-memory.dmp

Download

memory/836-18-0x0000000005390000-0x0000000005391000-memory.dmp

Download

memory/836-6-0x0000000000400000-0x0000000000485000-memory.dmp

Download

memory/836-9-0x0000000000400000-0x0000000000485000-memory.dmp

Download

memory/836-21-0x00000000056D0000-0x00000000056D1000-memory.dmp

Download

memory/836-11-0x0000000000950000-0x000000000098C000-memory.dmp

Download

memory/836-12-0x0000000002352000-0x0000000002353000-memory.dmp

Download

memory/836-13-0x0000000073680000-0x0000000073D6E000-memory.dmp

Download

memory/836-16-0x0000000004850000-0x0000000004851000-memory.dmp

Download

memory/836-17-0x0000000002460000-0x0000000002461000-memory.dmp

Download

memory/836-19-0x00000000053C0000-0x00000000053C1000-memory.dmp

Download

memory/836-20-0x00000000055F0000-0x00000000055F1000-memory.dmp

Download

memory/3024-0-0x0000000000400000-0x00000000004B3000-memory.dmp

Download