agenttesla | 488bc747c7643f0e411b2793b51edbbabe0451107fcf6ceaaa8f2f78125a476e

Analysis

max time kernel
148s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/07/2026, 09:51

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General

Target
gjawhixj.js
Size 3.9MB
Sample260714-lvftcaat4k
SHA256 488bc747c7643f0e411b2793b51edbbabe0451107fcf6ceaaa8f2f78125a476e
MD5 7ec887b0b4ababc2c3dfc0384367d303
SHA1 d97cbeb144306bc49610d57e5043d6a779c86588
SHA512 2bf4d2a78bcd14a2de37e59474f978d27904d8cf75e4d9ee242d70c00fb068ff50d1c6c749ef1b1734a96339572110ac9e46a76981b94aaa09337da047e7a826
SSDEEP 98304:vzCNYt1llGbxmgeFmBdBiMqJgjuGoUE5gwSP0GNQ8E4gmUq:vzt1lQbx2iyMqdUmglPxx
TLSH
T193166C405E9CA782B9FCC718882EBBF10D1EC817A554DF47315D8A9E1A8DF06339C69B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection discovery execution agenttesla donutloader keylogger loader persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.enogcaen-br.com
Port
21
Username
[email protected]
Password
Atj4=xL8#5GT

Signatures

Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
loader donutloader

Detects DonutLoader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/5444-13-0x00000000056C0000-0x00000000066C0000-memory.dmp	family_donutloader

Executes dropped EXE 2 IoCs

pid	Process
1396	TKHJYTXTNNKUIWODAUABVCSWH.exe
6012	TKHJYTXTNNKUIWODAUABVCSWH.exe

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	colorcpl.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

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 4 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	TKHJYTXTNNKUIWODAUABVCSWH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TKHJYTXTNNKUIWODAUABVCSWH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5444	colorcpl.exe
5444	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5444	colorcpl.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
1396	TKHJYTXTNNKUIWODAUABVCSWH.exe
1396	TKHJYTXTNNKUIWODAUABVCSWH.exe
6012	TKHJYTXTNNKUIWODAUABVCSWH.exe
6012	TKHJYTXTNNKUIWODAUABVCSWH.exe
1396	TKHJYTXTNNKUIWODAUABVCSWH.exe
1396	TKHJYTXTNNKUIWODAUABVCSWH.exe
6012	TKHJYTXTNNKUIWODAUABVCSWH.exe
6012	TKHJYTXTNNKUIWODAUABVCSWH.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
1396	TKHJYTXTNNKUIWODAUABVCSWH.exe
1396	TKHJYTXTNNKUIWODAUABVCSWH.exe
6012	TKHJYTXTNNKUIWODAUABVCSWH.exe
6012	TKHJYTXTNNKUIWODAUABVCSWH.exe
1396	TKHJYTXTNNKUIWODAUABVCSWH.exe
1396	TKHJYTXTNNKUIWODAUABVCSWH.exe
6012	TKHJYTXTNNKUIWODAUABVCSWH.exe
6012	TKHJYTXTNNKUIWODAUABVCSWH.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5444	colorcpl.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 4844	1004	wscript.exe	88
PID 4844 wrote to memory of 1328	4844	cmd.exe	90
PID 1004 wrote to memory of 1396	1004	wscript.exe	91
PID 1396 wrote to memory of 5444	1396	TKHJYTXTNNKUIWODAUABVCSWH.exe	93
PID 5472 wrote to memory of 6012	5472	WScript.exe	95
PID 6012 wrote to memory of 204	6012	TKHJYTXTNNKUIWODAUABVCSWH.exe	96
PID 1396 wrote to memory of 5444	1396	TKHJYTXTNNKUIWODAUABVCSWH.exe	93

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	colorcpl.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\gjawhixj.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 15 /tn gjawhixj.js /tr C:\Users\Public\Libraries\gjawhixj.js
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 15 /tn gjawhixj.js /tr C:\Users\Public\Libraries\gjawhixj.js
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1328
- C:\Users\Public\Libraries\TKHJYTXTNNKUIWODAUABVCSWH.exe
  "C:\Users\Public\Libraries\TKHJYTXTNNKUIWODAUABVCSWH.exe" C:\Users\Public\Libraries\TKHJYTXTNNKUIWODAUABVCSWH.ttf
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\SysWOW64\colorcpl.exe
    C:\Windows\Syswow64\colorcpl.exe
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    PID:5444

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Libraries\gjawhixj.js"
1⤵
- Suspicious use of WriteProcessMemory
PID:5472
- C:\Users\Public\Libraries\TKHJYTXTNNKUIWODAUABVCSWH.exe
  "C:\Users\Public\Libraries\TKHJYTXTNNKUIWODAUABVCSWH.exe" C:\Users\Public\Libraries\TKHJYTXTNNKUIWODAUABVCSWH.ttf
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:6012
- - C:\Windows\SysWOW64\colorcpl.exe
    C:\Windows\Syswow64\colorcpl.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:204

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

TKHJYTXTNNKUIWODAUABVCSWH

Path C:\Users\Public\Libraries\TKHJYTXTNNKUIWODAUABVCSWH
Size 270KB
SHA256 7c74c963491bf94a2a7a48479deb8a20eab02471d594515b3c4a3fe2103cd559
MD5 4ca2cbc9b99e6dab95877e2d50319168
SHA1 3301a133ce3c6624988ed5a34d375cda21a35333
SHA512 6b14ffe9f1590d2b4f02102ebd9d1da526bd0a86c205b0841627ba403a6b341dc9fba73d7c9fd18fe64fd74e37ef078473d0a39863b612a28b5626416eed32e2
SSDEEP 6144:6kIt7PwHx5N2gXZ16rokdzWf00k7/E/H6WAA6kFygsbc:9ItzS52gqRhWftkTEiDA6kygsI
TLSH
T18C44238B74498A5111EA3CA5D2E8353E38D3D25C2068E53CBC90F996B73F98D836D21B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

TKHJYTXTNNKUIWODAUABVCSWH.exe

Path C:\Users\Public\Libraries\TKHJYTXTNNKUIWODAUABVCSWH.exe
Size 957KB
SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
MD5 279274f8a137bf31425a9c2c14444b66
SHA1 6f7f971406854309d94139aa70bdc772308aff52
SHA512 2e69e99ae2c2f0c3361351853ecfcd1982ea542ef8aff9314e991642f106a87d45479f21f53367ad93b29ce9d98b60706ff9554a9c9d2a793fbed1589b90a85d
SSDEEP 24576:8SmEH7kpRArkvBz1oxovFDVeAj2HoB3a33rfBH:827kpRA4R1oGDVeQXsrf
TLSH
T11B259E0373D18022FF93A9721E5FE72656BC6D2A0323956F13D81EB9F9305B14A1E672
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

TKHJYTXTNNKUIWODAUABVCSWH.ttf

Path C:\Users\Public\Libraries\TKHJYTXTNNKUIWODAUABVCSWH.ttf
Size 26KB
SHA256 38aa98d926ba31665eccd788dccbd9109bfa4383ef8503d7677172da107b02f7
MD5 9a3b7198b6671989e29b5f7f7a6bba4f
SHA1 3ccbf15f19ecf0aff270e349d0efdcadd84cd66f
SHA512 eede136fbfca3109af80b5972384377a54c2f1f6ef24c33538df822f97b8f3bcc8b742a6d9a424e380a822ae5d640bad9dafec0666c1b006565cb007af5e1e11
SSDEEP 384:G6kSDYuDWSBRtrBwBkBKBVyBhwaVVMt1MdMhKMvC7Bd6V4iAK7E87gV:nM1UOKCgMulqdU
TLSH
T1CDC23335955565BFE368DA3073BA06355CAC2C4EB4E038CB307CAA3997F9B0C543DA4A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5444-13-0x00000000056C0000-0x00000000066C0000-memory.dmp

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memory/5444-14-0x000000002F6F0000-0x000000002F732000-memory.dmp

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memory/5444-15-0x000000002FD20000-0x00000000302DA000-memory.dmp

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memory/5444-16-0x000000002F940000-0x000000002F9A6000-memory.dmp

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memory/5444-17-0x00000000303D0000-0x0000000030462000-memory.dmp

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memory/5444-18-0x00000000304C0000-0x0000000030510000-memory.dmp

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memory/5444-19-0x00000000303B0000-0x00000000303BA000-memory.dmp

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