agenttesla | bbdfbae01162597428b8a4538245e09cb393945a54bea8cea69d6307ab60fe43

Analysis

max time kernel
135s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 15:02

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General

Target

Bank Swift Xlsx.exe
Size

835KB
MD5

1d7ebed1baece67a31ce0a17a0320cb2
SHA1

f0b75348be8941ee8b1ce41bfa70dbec406b5cd4
SHA256

ace3a5e5849c1c00760dfe67add397775f5946333357f5f8dee25cd4363e36b6
SHA512

0ccc839f8394bc2b37d57b08dfd6e493c8d1863ab3a18c05eb7de371f4e1d579c1ef243399c1f1b478ead86cc33ceaca7600edbfc242c1f6a1b72cca58ba255d
SSDEEP

12288:QWtNVnLn/weHuJB5eL0Y+3hof+t5YCkFf6JqqXGr0Ql6:ptXLnoEpQKf+orFsqqXq0Qo

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ombakparadise.com
Port:
587
Username:
[email protected]
Password:
eng!@#paradise

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral10/memory/2728-5-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2148 set thread context of 2728	2148	Bank Swift Xlsx.exe	96

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	Bank Swift Xlsx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	4116	dw20.exe
Token: SeBackupPrivilege	4116	dw20.exe
Token: SeBackupPrivilege	4116	dw20.exe
Token: SeBackupPrivilege	4116	dw20.exe
Token: SeBackupPrivilege	4116	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2728	2148	Bank Swift Xlsx.exe	96
PID 2148 wrote to memory of 2728	2148	Bank Swift Xlsx.exe	96
PID 2148 wrote to memory of 2728	2148	Bank Swift Xlsx.exe	96
PID 2148 wrote to memory of 2728	2148	Bank Swift Xlsx.exe	96
PID 2148 wrote to memory of 2728	2148	Bank Swift Xlsx.exe	96
PID 2148 wrote to memory of 2728	2148	Bank Swift Xlsx.exe	96
PID 2148 wrote to memory of 2728	2148	Bank Swift Xlsx.exe	96
PID 2148 wrote to memory of 2728	2148	Bank Swift Xlsx.exe	96
PID 2728 wrote to memory of 4116	2728	vbc.exe	97
PID 2728 wrote to memory of 4116	2728	vbc.exe	97
PID 2728 wrote to memory of 4116	2728	vbc.exe	97

C:\Users\Admin\AppData\Local\Temp\Bank Swift Xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Swift Xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 776
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2148-0-0x00000000751D2000-0x00000000751D3000-memory.dmp

Filesize
4KB

Download
memory/2148-1-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/2148-2-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/2148-3-0x00000000751D2000-0x00000000751D3000-memory.dmp

Filesize
4KB

Download
memory/2148-4-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/2148-7-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/2728-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2728-8-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/2728-9-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/2728-17-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads