agenttesla | 684729b66bdeca51b3e40486a241ad0f2c6312fddf84b0b04a1300a8171cf658

Analysis

max time kernel
96s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 01:40

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General

Target

comprobante_swift0000099.exe
Size

826KB
MD5

4e94db0febef97c25d47b2efa4f8e5f3
SHA1

8ee81611a5fa3ba4f7c572556c4d25be98edc934
SHA256

20248a7006d2050da17a84baba48dc66149667ca24c79efbf71ceef6e10a27f5
SHA512

bafd1a65bfdb0d6425a00a0656f611ab3a152ec710604ce7ca63708bfd2bdc78ce105088e07d7361c9a657b422f3a78d6450b379a0e6425823b3e60e14eb922e
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLekmmpS2/V12BWr1BtqpZbXPf+bj7uD9/t3RMfaMCy:tthEVaPqLampSQLAZrPuujMH

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.elquijotebanquetes.com
Port:
21
Username:
[email protected]
Password:
-GN,s*KH{VEhPmo)+f

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1784-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/1784-6-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

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
13	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1784-6-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1784 set thread context of 1984	1784	comprobante_swift0000099.exe	82

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	comprobante_swift0000099.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1984	RegSvcs.exe
1984	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1784	comprobante_swift0000099.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 1984	1784	comprobante_swift0000099.exe	82
PID 1784 wrote to memory of 1984	1784	comprobante_swift0000099.exe	82
PID 1784 wrote to memory of 1984	1784	comprobante_swift0000099.exe	82
PID 1784 wrote to memory of 1984	1784	comprobante_swift0000099.exe	82

C:\Users\Admin\AppData\Local\Temp\comprobante_swift0000099.exe
"C:\Users\Admin\AppData\Local\Temp\comprobante_swift0000099.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\comprobante_swift0000099.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1984

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/1784-6-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1784-3-0x0000000004400000-0x0000000004800000-memory.dmp

Filesize
4.0MB

Download
memory/1784-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1984-9-0x0000000005090000-0x00000000050F6000-memory.dmp

Filesize
408KB

Download
memory/1984-7-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/1984-8-0x00000000056C0000-0x0000000005C64000-memory.dmp

Filesize
5.6MB

Download
memory/1984-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1984-10-0x00000000742A0000-0x0000000074A50000-memory.dmp

Filesize
7.7MB

Download
memory/1984-11-0x00000000065D0000-0x0000000006620000-memory.dmp

Filesize
320KB

Download
memory/1984-12-0x00000000066C0000-0x0000000006752000-memory.dmp

Filesize
584KB

Download
memory/1984-13-0x0000000006650000-0x000000000665A000-memory.dmp

Filesize
40KB

Download
memory/1984-14-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/1984-15-0x00000000742A0000-0x0000000074A50000-memory.dmp

Filesize
7.7MB

Download