agenttesla | b851c87747b6c4b653bf0a62e1d46a5aa56a95e2cd80f32305535c7159ebc295

General

Target

ViperX+Spoofer.exe
Size

2.0MB
MD5

94b84ea40ba19927a81faed654c470cd
SHA1

3e35da27f88a8c0f0bd9f8b74c064c5817e2d476
SHA256

b851c87747b6c4b653bf0a62e1d46a5aa56a95e2cd80f32305535c7159ebc295
SHA512

8fb08392a9e1f30c6e95145c9e05cae15aa1d63a5adcc3949d45514d3a28d1534e5c60de3c9e764f28e601dea40120b08d25745f2f74c1fa7418dada92afdae3
SSDEEP

49152:3XcgX/DTInpWQOZITYbNbNWo4kSH3OqtwIjkqXfd+/9AqAana:3XcYgwQOZIT4bNJFY3OqtXkqXf0FPAW

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3976-5-0x0000000007500000-0x0000000007714000-memory.dmp	family_agenttesla

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
19	discord.com
20	discord.com
5	pastebin.com
6	pastebin.com

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ViperX+Spoofer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5044	timeout.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	ViperX+Spoofer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	ViperX+Spoofer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	ViperX+Spoofer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3976	ViperX+Spoofer.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 1164	3976	ViperX+Spoofer.exe	95
PID 3976 wrote to memory of 1164	3976	ViperX+Spoofer.exe	95
PID 3976 wrote to memory of 1164	3976	ViperX+Spoofer.exe	95
PID 1164 wrote to memory of 2772	1164	cmd.exe	97
PID 1164 wrote to memory of 2772	1164	cmd.exe	97
PID 1164 wrote to memory of 2772	1164	cmd.exe	97
PID 2772 wrote to memory of 5044	2772	cmd.exe	99
PID 2772 wrote to memory of 5044	2772	cmd.exe	99
PID 2772 wrote to memory of 5044	2772	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\ViperX+Spoofer.exe
"C:\Users\Admin\AppData\Local\Temp\ViperX+Spoofer.exe"
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c start cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":false,"message":"Session not found. Use latest code. You can only have app opened 1 at a time."} && timeout /t 5"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1164
- - C:\Windows\SysWOW64\cmd.exe
    cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":false,"message":"Session not found. Use latest code. You can only have app opened 1 at a time."} && timeout /t 5"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 5
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:5044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3976-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/3976-1-0x0000000000C10000-0x0000000000E10000-memory.dmp

Filesize
2.0MB

Download
memory/3976-2-0x0000000005CD0000-0x0000000006274000-memory.dmp

Filesize
5.6MB

Download
memory/3976-3-0x0000000005800000-0x0000000005892000-memory.dmp

Filesize
584KB

Download
memory/3976-4-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/3976-5-0x0000000007500000-0x0000000007714000-memory.dmp

Filesize
2.1MB

Download
memory/3976-6-0x0000000007350000-0x0000000007362000-memory.dmp

Filesize
72KB

Download
memory/3976-7-0x00000000073B0000-0x00000000073BA000-memory.dmp

Filesize
40KB

Download
memory/3976-8-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/3976-9-0x0000000009D90000-0x0000000009E42000-memory.dmp

Filesize
712KB

Download
memory/3976-10-0x00000000085A0000-0x00000000085C2000-memory.dmp

Filesize
136KB

Download
memory/3976-11-0x0000000009E40000-0x000000000A194000-memory.dmp

Filesize
3.3MB

Download
memory/3976-13-0x000000000A200000-0x000000000A23C000-memory.dmp

Filesize
240KB

Download
memory/3976-14-0x000000000A1D0000-0x000000000A1DA000-memory.dmp

Filesize
40KB

Download
memory/3976-15-0x000000000A260000-0x000000000A27A000-memory.dmp

Filesize
104KB

Download
memory/3976-16-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/3976-19-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/3976-20-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/3976-21-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/3976-22-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/3976-25-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download

Analysis

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