agenttesla | 731c4c81c6b56754610fbabeae9663c0586a5e435f9e12b8225af91be630c3a7

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 01:30

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General

Target

xzz.exe
Size

100.0MB
MD5

fc8c06af4f5f9bc5cf9f3eb94ad7503a
SHA1

de76ed01727013819f9ab3e311dab321c2f691e7
SHA256

731c4c81c6b56754610fbabeae9663c0586a5e435f9e12b8225af91be630c3a7
SHA512

c711f589f11c178fa6ff8afe196eb527113e75e36b9ff752dcf8d5447b940d762fdf9d79880d148fa2e4a44a6c78fc94616dffc2fddfeeb3fc5e5b4e9c1f0d10
SSDEEP

24576:D4lavt0LkLL9IMixoEgeaFNNLSh8ZFA/qoMTBu0Mq9MmCS:Wkwkn9IMHeaF2WZ6gA9aPCS

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.solucionesmexico.mx
Port:
21
Username:
[email protected]
Password:
dGG^ZYIxX5!B

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 2940	2680	xzz.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xzz.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2940	RegSvcs.exe
2940	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2680	xzz.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2940	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2680	xzz.exe
2680	xzz.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2680	xzz.exe
2680	xzz.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2940	2680	xzz.exe	30
PID 2680 wrote to memory of 2940	2680	xzz.exe	30
PID 2680 wrote to memory of 2940	2680	xzz.exe	30
PID 2680 wrote to memory of 2940	2680	xzz.exe	30
PID 2680 wrote to memory of 2940	2680	xzz.exe	30
PID 2680 wrote to memory of 2940	2680	xzz.exe	30
PID 2680 wrote to memory of 2940	2680	xzz.exe	30
PID 2680 wrote to memory of 2940	2680	xzz.exe	30

C:\Users\Admin\AppData\Local\Temp\xzz.exe
"C:\Users\Admin\AppData\Local\Temp\xzz.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:2680
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\xzz.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Information Discovery

T1082

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/2680-5-0x00000000002D0000-0x00000000002D4000-memory.dmp

Filesize
16KB

Download
memory/2940-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2940-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2940-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2940-11-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2940-12-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2940-13-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2940-14-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download