agenttesla | af59beeaecb34c9a9892f21771f3fa06d633e9d8f82c70fcd48fe30871c6f539

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
14/06/2024, 01:21

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General

Target
PO-93846383838364833648383/PO-93846383838364833648383.exe
Size 1.5MB
Sample240614-bq19datbqn
SHA256 b2fe5db5a98a2649d5fe93126e699a7dbe156a4f99bf449c51a6027ac8065a5b
MD5 278ed9bd4d13a3c827fcec89321e0b8e
SHA1 e0496f016a8fbc25d9b425a871c17e43be5c99d5
SHA512 f9df8daaa8e53bbfa9be51cb1af9b6129c44255a2b0cd07eef6a86a0f65380bf2e0d398c4de228323d3ee2aa959fff12610d992586b75f803976289bb2f5d798
SSDEEP 24576:bfy91CJKpwhKp5xajFt9aVfbjZwjNERfnhC:bfy9yhKpTab9mfJqNERf8
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
siammkd.info
Port
587
Username
[email protected]
Password
Emotion22
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"	PO-93846383838364833648383.exe

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
2812	powershell.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	PO-93846383838364833648383.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PO-93846383838364833648383.exe

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
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 2528	2988	PO-93846383838364833648383.exe	32

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2848	2528	WerFault.exe	32

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2812	powershell.exe
2528	regasm.exe
2528	regasm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	PO-93846383838364833648383.exe
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	2528	regasm.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2812	2988	PO-93846383838364833648383.exe	28
PID 2988 wrote to memory of 2812	2988	PO-93846383838364833648383.exe	28
PID 2988 wrote to memory of 2812	2988	PO-93846383838364833648383.exe	28
PID 2988 wrote to memory of 1732	2988	PO-93846383838364833648383.exe	30
PID 2988 wrote to memory of 1732	2988	PO-93846383838364833648383.exe	30
PID 2988 wrote to memory of 1732	2988	PO-93846383838364833648383.exe	30
PID 2988 wrote to memory of 1732	2988	PO-93846383838364833648383.exe	30
PID 2988 wrote to memory of 2776	2988	PO-93846383838364833648383.exe	31
PID 2988 wrote to memory of 2776	2988	PO-93846383838364833648383.exe	31
PID 2988 wrote to memory of 2776	2988	PO-93846383838364833648383.exe	31
PID 2988 wrote to memory of 2776	2988	PO-93846383838364833648383.exe	31
PID 2988 wrote to memory of 2776	2988	PO-93846383838364833648383.exe	31
PID 2988 wrote to memory of 2776	2988	PO-93846383838364833648383.exe	31
PID 2988 wrote to memory of 2776	2988	PO-93846383838364833648383.exe	31
PID 2988 wrote to memory of 2776	2988	PO-93846383838364833648383.exe	31
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2528	2988	PO-93846383838364833648383.exe	32
PID 2988 wrote to memory of 2788	2988	PO-93846383838364833648383.exe	33
PID 2988 wrote to memory of 2788	2988	PO-93846383838364833648383.exe	33
PID 2988 wrote to memory of 2788	2988	PO-93846383838364833648383.exe	33
PID 2988 wrote to memory of 2788	2988	PO-93846383838364833648383.exe	33
PID 2988 wrote to memory of 2788	2988	PO-93846383838364833648383.exe	33
PID 2988 wrote to memory of 2788	2988	PO-93846383838364833648383.exe	33
PID 2988 wrote to memory of 2788	2988	PO-93846383838364833648383.exe	33
PID 2528 wrote to memory of 2848	2528	regasm.exe	35
PID 2528 wrote to memory of 2848	2528	regasm.exe	35
PID 2528 wrote to memory of 2848	2528	regasm.exe	35
PID 2528 wrote to memory of 2848	2528	regasm.exe	35

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PO-93846383838364833648383.exe

C:\Users\Admin\AppData\Local\Temp\PO-93846383838364833648383\PO-93846383838364833648383.exe
"C:\Users\Admin\AppData\Local\Temp\PO-93846383838364833648383\PO-93846383838364833648383.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2988
- 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\PO-93846383838364833648383\PO-93846383838364833648383.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2812
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  PID:1732
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:2776
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 1456
    3⤵
    - Program crash
    PID:2848
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:2788

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2528-28-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2528-29-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2528-30-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2528-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Download

memory/2776-15-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2776-17-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2776-11-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2776-13-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2812-9-0x000000001B6A0000-0x000000001B982000-memory.dmp

Download

memory/2812-10-0x0000000001EE0000-0x0000000001EE8000-memory.dmp

Download

memory/2812-8-0x0000000002A50000-0x0000000002AD0000-memory.dmp

Download

memory/2988-0-0x000007FEF55D3000-0x000007FEF55D4000-memory.dmp

Download

memory/2988-3-0x0000000000A30000-0x0000000000AC4000-memory.dmp

Download

memory/2988-2-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Download

memory/2988-1-0x0000000000CA0000-0x0000000000CC6000-memory.dmp

Download

memory/2988-31-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Download