agenttesla | 028b15aba247bb4e5c2e54f9a6f7bbe2f25edf24f56286bea98bc2309a948b6d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/03/2025, 11:17

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General

Target

INQ_NB64773898-STOCK-U78477363.exe
Size

1.3MB
MD5

87c252fb664a71af9b62da1a7661d2e9
SHA1

a6df180a2d267faf3d7c08ca9b218ac9008f27ed
SHA256

a48800d7b18541d4375e24bfede8beb941e55bc2c5d996553425bc3c52c0f0a9
SHA512

ec9403c0c64513210957317b93c4d79d034f8d0dd7eb64c315d8e82d1e97892d6c20e4e024b480cfd1cad1ffd9fa7a2e3daf030103755361729a1c3152be270e
SSDEEP

24576:hu6J33O0c+JY5UZ+XC0kGso6FazOiI8GE7zFP6W2BjjnW2ckPWY:zu0c++OCvkGs9FazjnP6h5jWxY

Score

10^/10

agenttesla redline success discovery infostealer keylogger spyware stealer trojan

Malware Config

Extracted

Family

redline

Botnet

success

204.10.161.147:7082

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dkplus.com.tr
Port:
587
Username:
[email protected]
Password:
04rf710m29
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016d50-28.dat	family_redline
behavioral1/memory/2312-41-0x0000000000E10000-0x0000000000E62000-memory.dmp	family_redline

Redline family
redline

Drops startup file 1 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
2808	porcelainization.exe
2312	build.exe
2876	Cmartins.exe

Loads dropped DLL 3 IoCs

pid	Process
2620	INQ_NB64773898-STOCK-U78477363.exe
532	svchost.exe
532	svchost.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 3 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

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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
5	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0008000000016d47-11.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 532	2808	porcelainization.exe	31

System Location Discovery: System Language Discovery 1 TTPs 5 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	build.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cmartins.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	INQ_NB64773898-STOCK-U78477363.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	porcelainization.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2876	Cmartins.exe
2876	Cmartins.exe
2312	build.exe
2312	build.exe
2312	build.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2808	porcelainization.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	Cmartins.exe
Token: SeDebugPrivilege	2312	build.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2620	INQ_NB64773898-STOCK-U78477363.exe
2620	INQ_NB64773898-STOCK-U78477363.exe
2808	porcelainization.exe
2808	porcelainization.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2620	INQ_NB64773898-STOCK-U78477363.exe
2620	INQ_NB64773898-STOCK-U78477363.exe
2808	porcelainization.exe
2808	porcelainization.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2808	2620	INQ_NB64773898-STOCK-U78477363.exe	30
PID 2620 wrote to memory of 2808	2620	INQ_NB64773898-STOCK-U78477363.exe	30
PID 2620 wrote to memory of 2808	2620	INQ_NB64773898-STOCK-U78477363.exe	30
PID 2620 wrote to memory of 2808	2620	INQ_NB64773898-STOCK-U78477363.exe	30
PID 2808 wrote to memory of 532	2808	porcelainization.exe	31
PID 2808 wrote to memory of 532	2808	porcelainization.exe	31
PID 2808 wrote to memory of 532	2808	porcelainization.exe	31
PID 2808 wrote to memory of 532	2808	porcelainization.exe	31
PID 2808 wrote to memory of 532	2808	porcelainization.exe	31
PID 532 wrote to memory of 2312	532	svchost.exe	32
PID 532 wrote to memory of 2312	532	svchost.exe	32
PID 532 wrote to memory of 2312	532	svchost.exe	32
PID 532 wrote to memory of 2312	532	svchost.exe	32
PID 532 wrote to memory of 2876	532	svchost.exe	33
PID 532 wrote to memory of 2876	532	svchost.exe	33
PID 532 wrote to memory of 2876	532	svchost.exe	33
PID 532 wrote to memory of 2876	532	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\INQ_NB64773898-STOCK-U78477363.exe
"C:\Users\Admin\AppData\Local\Temp\INQ_NB64773898-STOCK-U78477363.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Local\murkest\porcelainization.exe
  "C:\Users\Admin\AppData\Local\Temp\INQ_NB64773898-STOCK-U78477363.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\INQ_NB64773898-STOCK-U78477363.exe"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:532
  - - C:\Users\Admin\AppData\Local\Temp\build.exe
      "C:\Users\Admin\AppData\Local\Temp\build.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2312
  - - C:\Users\Admin\AppData\Local\Temp\Cmartins.exe
      "C:\Users\Admin\AppData\Local\Temp\Cmartins.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cmartins.exe

Filesize
247KB

MD5
65b6608a990b2ccf94df5039f31a474d

SHA1
7e8478b76217639b63b10cedafdbc16a472da3a5

SHA256
8a6ce01f31abcd7c369b2c89932ec966a8e275ed392965def516c65f94efbc95

SHA512
7ece11b7c85bafcaaa71e58bfb405354588845dfa4c06e922ef852c40bf46261482d63f8b91c2614d8ed6fcbb7023f0f1c63db0e60f0152f4e858280d6894a75

Download Submit
C:\Users\Admin\AppData\Local\murkest\porcelainization.exe

Filesize
1.3MB

MD5
87c252fb664a71af9b62da1a7661d2e9

SHA1
a6df180a2d267faf3d7c08ca9b218ac9008f27ed

SHA256
a48800d7b18541d4375e24bfede8beb941e55bc2c5d996553425bc3c52c0f0a9

SHA512
ec9403c0c64513210957317b93c4d79d034f8d0dd7eb64c315d8e82d1e97892d6c20e4e024b480cfd1cad1ffd9fa7a2e3daf030103755361729a1c3152be270e

Download Submit
\Users\Admin\AppData\Local\Temp\build.exe

Filesize
300KB

MD5
209b15fade618af5831e6e2528a4fedc

SHA1
2efc49db01f3df2c1cd0a528c75e466a9478b698

SHA256
f07a706c0554ed9363bd396dd49f788a0df232caf0af01161d831a12b95d964d

SHA512
3431efa0cfe6c2262ed07a9fe084567d9548e586efcfa752e0cec455e07f8a3e6b3acacacef77317881a0682358cf92d37abad80730560c33cb1e2d564afa8be

Download Submit
memory/532-22-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/532-26-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2312-41-0x0000000000E10000-0x0000000000E62000-memory.dmp

Filesize
328KB

Download
memory/2620-6-0x00000000006F0000-0x0000000000AF0000-memory.dmp

Filesize
4.0MB

Download
memory/2808-20-0x0000000000710000-0x0000000000B10000-memory.dmp

Filesize
4.0MB

Download
memory/2876-40-0x0000000001060000-0x00000000010A4000-memory.dmp

Filesize
272KB

Download