agenttesla | 15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996

Analysis

max time kernel
103s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 09:28

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General

Target

QUOTATION008792.exe
Size

5.2MB
MD5

3fe5154545a6e8c47335c12fcf16b481
SHA1

7768419fc41a9bbe7fd22896e1e871316fe631a2
SHA256

15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996
SHA512

1cafb13bfc7ad5af6fe6f3aa7f7589b2c8ed9856b351df77e67e8df816f8dd8a94048f2d49bfd205c3e4e6d1894e1ab4f1c4487ed3d1bd0ab9d1958f59d09283
SSDEEP

49152:xbBzJFqLJMYJ3SlFdw/7xhSFOOrTM7F44eF4Gx13Wt64XnrE/ylDYRcrbZ4GOmd7:xbELJM50xhfOidV/eRLmW0XpSoZIeBt

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
nXe0M~WkW&nJ

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	CasPol.exe

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
13	api.ipify.org
14	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4656 set thread context of 2396	4656	QUOTATION008792.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 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	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2396	CasPol.exe
2396	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2396	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 2396	4656	QUOTATION008792.exe	84
PID 4656 wrote to memory of 2396	4656	QUOTATION008792.exe	84
PID 4656 wrote to memory of 2396	4656	QUOTATION008792.exe	84
PID 4656 wrote to memory of 2396	4656	QUOTATION008792.exe	84
PID 4656 wrote to memory of 2396	4656	QUOTATION008792.exe	84
PID 4656 wrote to memory of 2396	4656	QUOTATION008792.exe	84
PID 4656 wrote to memory of 2396	4656	QUOTATION008792.exe	84
PID 4656 wrote to memory of 2396	4656	QUOTATION008792.exe	84

C:\Users\Admin\AppData\Local\Temp\QUOTATION008792.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION008792.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2396-8-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/2396-12-0x0000000006A70000-0x0000000006AC0000-memory.dmp

Filesize
320KB

Download
memory/2396-17-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/2396-16-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2396-15-0x0000000006C50000-0x0000000006C5A000-memory.dmp

Filesize
40KB

Download
memory/2396-5-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2396-14-0x0000000006CA0000-0x0000000006D32000-memory.dmp

Filesize
584KB

Download
memory/2396-6-0x0000000005BE0000-0x0000000006184000-memory.dmp

Filesize
5.6MB

Download
memory/2396-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2396-13-0x0000000006B60000-0x0000000006BFC000-memory.dmp

Filesize
624KB

Download
memory/2396-7-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download
memory/4656-9-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

Filesize
10.8MB

Download
memory/4656-1-0x0000014872830000-0x0000014872D66000-memory.dmp

Filesize
5.2MB

Download
memory/4656-0-0x00007FFE0C913000-0x00007FFE0C915000-memory.dmp

Filesize
8KB

Download
memory/4656-3-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

Filesize
10.8MB

Download
memory/4656-2-0x0000014873100000-0x0000014873196000-memory.dmp

Filesize
600KB

Download