agenttesla | 5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770

Analysis

max time kernel
118s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 01:58

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General

Target

5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe
Size

714KB
MD5

96c8e0d88340a9054802fe79776567d8
SHA1

4ae391c4e63a66abc3e473748af8095501c64caf
SHA256

5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770
SHA512

36f1660d5c08dd90f7bd709c3e410f58fa0b8244272de54438658f4621bf238080c6027332446872231245665283d3e1d9aa4dd90979a5b3b399874b4a7e6f8d
SSDEEP

12288:ww6auhObxoFuPU56leQYy8Hvq9DggGfOwWy1FL6C8MydwvW7Vk4RD0g/SH:ptuhOb58eeQt8Hvq9D5GfOwWy7Fyv7Hk

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.adgumrukmusavirligi.com
Port:
587
Username:
[email protected]
Password:
GizCvk2019!.
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

resource	yara_rule
behavioral1/memory/2876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2876-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2876-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2876-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

resource	yara_rule
behavioral1/memory/2876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2876-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2876-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2876-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral1/memory/1136-3-0x0000000000500000-0x000000000051C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

resource	yara_rule
behavioral1/memory/2876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2876-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2876-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2876-16-0x0000000000400000-0x0000000000442000-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 5 IoCs

resource	yara_rule
behavioral1/memory/2876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2876-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2876-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2876-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

resource	yara_rule
behavioral1/memory/2876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2876-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2876-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2876-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

resource	yara_rule
behavioral1/memory/2876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2876-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2876-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2876-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2680	powershell.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\skyT = "C:\\Users\\Admin\\AppData\\Roaming\\skyT\\skyT.exe"	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1136 set thread context of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe
1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe
2876	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe
2876	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe
2680	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe
Token: SeDebugPrivilege	2876	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe
Token: SeDebugPrivilege	2680	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2876	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 2680	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	28
PID 1136 wrote to memory of 2680	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	28
PID 1136 wrote to memory of 2680	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	28
PID 1136 wrote to memory of 2680	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	28
PID 1136 wrote to memory of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30
PID 1136 wrote to memory of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30
PID 1136 wrote to memory of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30
PID 1136 wrote to memory of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30
PID 1136 wrote to memory of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30
PID 1136 wrote to memory of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30
PID 1136 wrote to memory of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30
PID 1136 wrote to memory of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30
PID 1136 wrote to memory of 2876	1136	5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe	30

C:\Users\Admin\AppData\Local\Temp\5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe
"C:\Users\Admin\AppData\Local\Temp\5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- C:\Users\Admin\AppData\Local\Temp\5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe
  "C:\Users\Admin\AppData\Local\Temp\5dc68c4082f00849a418aa068b15322c9888e2462f517fef05b6301eab33c770.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1136-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/1136-1-0x0000000000140000-0x00000000001F8000-memory.dmp

Filesize
736KB

Download
memory/1136-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1136-3-0x0000000000500000-0x000000000051C000-memory.dmp

Filesize
112KB

Download
memory/1136-4-0x0000000001E90000-0x0000000001E9E000-memory.dmp

Filesize
56KB

Download
memory/1136-5-0x0000000001EA0000-0x0000000001EB6000-memory.dmp

Filesize
88KB

Download
memory/1136-6-0x0000000005240000-0x00000000052C2000-memory.dmp

Filesize
520KB

Download
memory/1136-21-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2876-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2876-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2876-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2876-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2876-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2876-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2876-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download