agenttesla | b71287ca42de74cc0bfafbf2fda0191d0514df4c2ffc678ba884ba650aeff442

Analysis

max time kernel
149s
max time network
111s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/04/2026, 08:27

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General

Target
_b71287ca42de74cc0bfafbf2fda0191d0514df4c2ffc678ba884ba650aeff442.js
Size 1.4MB
Sample260423-kceb5aez3x
SHA256 b71287ca42de74cc0bfafbf2fda0191d0514df4c2ffc678ba884ba650aeff442
MD5 08544b204010d011c9efa992c37461df
SHA1 ada450893e35bffc2f636eb6a3c3c2f421a2f3bc
SHA512 972f7618ccd36b5e99cf21c908e737711122dd5786fa23e47a9dee643d135d92148e8e618d1d29c155145d94d13891ebfd78efee9a7241e76cb265833a04b65f
SSDEEP 24576:9kLStRdqZrXVhshwQWgeONzZJrM9ZidYxk13WCv+:9NXKrePVR/m
TLSH
T1CD6502158EC47FF9DFE8562D40FE151E93A04E8A4009A54EEB73BD4ABFE7B00521B099
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.onionmail.org
Port
587
Username
[email protected]
Password
sendboxorigin12
Email to
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3436	powershell.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystemUpdate_DGt13iEAIHiB_1776932825653.lnk	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemUpdate_DGt13iEAIHiB_1776932825653 = "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Temp\\ps_DGt13iEAIHiB_1776932825653.ps1\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SystemUpdate_DGt13iEAIHiB_1776932825653 = "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Temp\\ps_DGt13iEAIHiB_1776932825653.ps1\""	wscript.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
1	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3436 set thread context of 1704	3436	powershell.exe	90

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
3436	powershell.exe
3436	powershell.exe
3408	powershell.exe
3408	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
1704	aspnet_compiler.exe
1704	aspnet_compiler.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3436	powershell.exe
Token: SeDebugPrivilege	3408	powershell.exe
Token: SeDebugPrivilege	1704	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 3436	2312	wscript.exe	80
PID 3436 wrote to memory of 5180	3436	powershell.exe	85
PID 3436 wrote to memory of 5184	3436	powershell.exe	86
PID 3436 wrote to memory of 2512	3436	powershell.exe	87
PID 3436 wrote to memory of 500	3436	powershell.exe	88
PID 3436 wrote to memory of 3196	3436	powershell.exe	89
PID 3436 wrote to memory of 1704	3436	powershell.exe	90
PID 3436 wrote to memory of 1704	3436	powershell.exe	90
PID 3436 wrote to memory of 1704	3436	powershell.exe	90
PID 3436 wrote to memory of 1704	3436	powershell.exe	90
PID 3436 wrote to memory of 1704	3436	powershell.exe	90

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\_b71287ca42de74cc0bfafbf2fda0191d0514df4c2ffc678ba884ba650aeff442.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -NonInteractive -NoLogo -File "C:\Temp\ps_DGt13iEAIHiB_1776932825653.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3436
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5180
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5184
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2512
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:500
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3196
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1704

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3408

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

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

Discovery

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

ps_DGt13iEAIHiB_1776932825653.ps1

Path C:\Temp\ps_DGt13iEAIHiB_1776932825653.ps1
Size 1.0MB
SHA256 0f04a771593d4135944058c1a99fc52c7164ac257d28e919808cb7c4e491ae69
MD5 fd6fdce03e53ca8956df86ac3911ef30
SHA1 965260af003599c6712b6d1912c4a56abb010d0d
SHA512 5e0058a8dc9c2fd8b8bb0577d3ba2830ebd0cd796be673dbe541196681b9b61e54d69d6c3f294b88c477dff4ba16ea9d9207c3701f8e743f342cad83b88ebc3e
SSDEEP 24576:IbMIkSfGQOQjr5/iSeNYvDVByLOVYmFKmDm/62L1kYHN:IOgjfB2awOmMYHN
TLSH
T1E12523747DC17F3C495C9625E2BF774917328B924889CE91B8CC82CF0B1BA5DE653829
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ModuleAnalysisCache

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
Size 62KB
SHA256 4771db92bac548a74a7bf91b22ba0f930faa3a318c223385be1880d5834b2e8b
MD5 d4df48ca14a09f91c58a20d3ec2ef72c
SHA1 7823ecc6163a0fecca6cbae6650b6cac096ad4e7
SHA512 aa8e1e1f6608c13f83a2fda41b81802398e070452f6220f2f8ba10af97752283a18437e37534141f7dea6bc6243cc005d8d70dd207c4808d27ea03518e5f42a1
SSDEEP 1536:KflJd+h4iUxTYkzvHgfKQaUpeE711kDa5ljNC+jH0IMjMXYo3BV3CNBQkj2zMrxf:KflJd+qiUTYkzvHgfKQaUpeE711kDa5S
TLSH
T103538392E9204E75E2E65F3EF15622627D30394690F8113211DC25EFA9879930B1FBFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

__PSScriptPolicyTest_d54nzdnw.emx.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d54nzdnw.emx.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1704-25-0x00000000058C0000-0x0000000005926000-memory.dmp

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memory/1704-23-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/1704-29-0x0000000007290000-0x000000000729A000-memory.dmp

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memory/1704-28-0x0000000007140000-0x0000000007190000-memory.dmp

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memory/1704-43-0x0000000006520000-0x0000000006B22000-memory.dmp

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memory/1704-27-0x00000000070A0000-0x0000000007132000-memory.dmp

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memory/1704-24-0x0000000005F70000-0x0000000006516000-memory.dmp

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memory/2312-76-0x0000020387140000-0x00000203871DE000-memory.dmp

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memory/2312-32-0x0000020388E30000-0x0000020388E3C000-memory.dmp

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memory/2312-77-0x0000020388E30000-0x0000020388E3C000-memory.dmp

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memory/2312-31-0x0000020387140000-0x00000203871DE000-memory.dmp

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memory/3408-39-0x00000210AF3A0000-0x00000210AF3B2000-memory.dmp

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memory/3408-37-0x00000210AF0E0000-0x00000210AF0EC000-memory.dmp

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memory/3408-38-0x00000210C7870000-0x00000210C78DF000-memory.dmp

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memory/3408-19-0x00000210C7D20000-0x00000210C7D66000-memory.dmp

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memory/3436-20-0x000002567D8F0000-0x000002567D906000-memory.dmp

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memory/3436-30-0x000002567D1D0000-0x000002567D1E0000-memory.dmp

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memory/3436-34-0x000002567D2D0000-0x000002567D2E2000-memory.dmp

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memory/3436-36-0x000002567D1D0000-0x000002567D1E0000-memory.dmp

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memory/3436-35-0x000002567D930000-0x000002567D99F000-memory.dmp

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memory/3436-33-0x000002567D1F0000-0x000002567D1FC000-memory.dmp

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memory/3436-26-0x000002567D1D0000-0x000002567D1E0000-memory.dmp

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memory/3436-22-0x000002567DA10000-0x000002567DA26000-memory.dmp

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memory/3436-21-0x000002567D9E0000-0x000002567D9E8000-memory.dmp

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memory/3436-2-0x000002567D1D0000-0x000002567D1E0000-memory.dmp

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memory/3436-11-0x000002567D1D0000-0x000002567D1E0000-memory.dmp

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memory/3436-10-0x000002567D900000-0x000002567D922000-memory.dmp

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memory/3436-3-0x000002567D1D0000-0x000002567D1E0000-memory.dmp

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