agenttesla | 9184270c4570753191b6820560106d8c7dfdaed6e083ab4f5dfe1d0af71ac8bc

Analysis

max time kernel
90s
max time network
203s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
21-11-2024 18:08

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General

Target

OC DDLP__ 241119L2.exe
Size

633KB
MD5

dab54091cf97a80110322dd3811d0216
SHA1

4c1d2655af7becbf69562fb70435b202699a259f
SHA256

9184270c4570753191b6820560106d8c7dfdaed6e083ab4f5dfe1d0af71ac8bc
SHA512

dc77cc35d7f84f95e2cc6af4230b1c25c6006570e6a12d349beb14cfee75f0f03f5af295cba8093850bcebe7409fbb6d6081f4354e0a4abfda9aff8257608741
SSDEEP

12288:BOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPitMMMMMMMMMMMMMMMMMMMMMMMMMMM0:Bq5TfcdHj4fmbaMMMMMMMMMMMMMMMMMw

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.stingatoareincendii.ro
Port:
21
Username:
[email protected]
Password:
3.*RYhlG)lkA

Signatures

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

Looks up external IP address via web service 1 IoCs

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

flow	ioc
1	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2784-14-0x0000000000860000-0x00000000009CD000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2784 set thread context of 3144	2784	OC DDLP__ 241119L2.exe	80

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2784-0-0x0000000000860000-0x00000000009CD000-memory.dmp	upx
behavioral2/memory/2784-14-0x0000000000860000-0x00000000009CD000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3428	2784	WerFault.exe	78

System Location Discovery: System Language Discovery 1 TTPs 2 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	OC DDLP__ 241119L2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3144	RegSvcs.exe
3144	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2784	OC DDLP__ 241119L2.exe
2784	OC DDLP__ 241119L2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3144	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2784	OC DDLP__ 241119L2.exe
2784	OC DDLP__ 241119L2.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2784	OC DDLP__ 241119L2.exe
2784	OC DDLP__ 241119L2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 3144	2784	OC DDLP__ 241119L2.exe	80
PID 2784 wrote to memory of 3144	2784	OC DDLP__ 241119L2.exe	80
PID 2784 wrote to memory of 3144	2784	OC DDLP__ 241119L2.exe	80
PID 2784 wrote to memory of 3144	2784	OC DDLP__ 241119L2.exe	80

C:\Users\Admin\AppData\Local\Temp\OC DDLP__ 241119L2.exe
"C:\Users\Admin\AppData\Local\Temp\OC DDLP__ 241119L2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\OC DDLP__ 241119L2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3144
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 760
  2⤵
  - Program crash
  PID:3428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2784 -ip 2784
1⤵
PID:5796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/2784-0-0x0000000000860000-0x00000000009CD000-memory.dmp

Filesize
1.4MB

Download
memory/2784-7-0x0000000000C60000-0x0000000001060000-memory.dmp

Filesize
4.0MB

Download
memory/2784-14-0x0000000000860000-0x00000000009CD000-memory.dmp

Filesize
1.4MB

Download
memory/3144-12-0x0000000073A30000-0x00000000741E1000-memory.dmp

Filesize
7.7MB

Download
memory/3144-10-0x0000000005110000-0x00000000056B6000-memory.dmp

Filesize
5.6MB

Download
memory/3144-11-0x0000000004D20000-0x0000000004D86000-memory.dmp

Filesize
408KB

Download
memory/3144-9-0x0000000073A3E000-0x0000000073A3F000-memory.dmp

Filesize
4KB

Download
memory/3144-8-0x0000000000150000-0x0000000000192000-memory.dmp

Filesize
264KB

Download
memory/3144-15-0x00000000060D0000-0x0000000006120000-memory.dmp

Filesize
320KB

Download
memory/3144-16-0x00000000061C0000-0x0000000006252000-memory.dmp

Filesize
584KB

Download
memory/3144-17-0x0000000006140000-0x000000000614A000-memory.dmp

Filesize
40KB

Download
memory/3144-18-0x0000000073A3E000-0x0000000073A3F000-memory.dmp

Filesize
4KB

Download
memory/3144-19-0x0000000073A30000-0x00000000741E1000-memory.dmp

Filesize
7.7MB

Download