agenttesla | 258a33e1a09ea556a4aa613e79946c06b768e487a3fae7195ab84352748f099b

Analysis

max time kernel
84s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 12:16

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General

Target

ed9108e451b186aef422097128d25b49_JaffaCakes118.exe
Size

1008KB
MD5

ed9108e451b186aef422097128d25b49
SHA1

73cc62e566889b45505ffa3847fb041d35afff9e
SHA256

258a33e1a09ea556a4aa613e79946c06b768e487a3fae7195ab84352748f099b
SHA512

f82d3e4d5928bbbb866681907db3a3cd11aeb8ea8435ef6cbf6232485d55fc4a5488f1f927bc0f81f62958b011683e8e09743cddf023b08e670f8ca6a235120d
SSDEEP

12288:uBQM7DJ9MJJpBBYDMm4mm12NA6n5TIjNG3cdpUkdd9lpWn5FAgPGkDc0OSuglZV:uBQM3YBuIst5TIZGGUkdZC5FAgP7Nu4

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012250-12.dat	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Executes dropped EXE 1 IoCs

pid	Process
2820	bez origin.exe

Loads dropped DLL 2 IoCs

pid	Process
2952	ed9108e451b186aef422097128d25b49_JaffaCakes118.exe
2952	ed9108e451b186aef422097128d25b49_JaffaCakes118.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 2 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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bez origin.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bez origin.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bez origin.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskngr = "C:\\Users\\Admin\\AppData\\Roaming\\taskngr\\taskngr.exe"	bez origin.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2952	ed9108e451b186aef422097128d25b49_JaffaCakes118.exe

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 2 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	bez origin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed9108e451b186aef422097128d25b49_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2820	bez origin.exe
2820	bez origin.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	bez origin.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2952	ed9108e451b186aef422097128d25b49_JaffaCakes118.exe
2820	bez origin.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2820	2952	ed9108e451b186aef422097128d25b49_JaffaCakes118.exe	29
PID 2952 wrote to memory of 2820	2952	ed9108e451b186aef422097128d25b49_JaffaCakes118.exe	29
PID 2952 wrote to memory of 2820	2952	ed9108e451b186aef422097128d25b49_JaffaCakes118.exe	29
PID 2952 wrote to memory of 2820	2952	ed9108e451b186aef422097128d25b49_JaffaCakes118.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bez origin.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bez origin.exe

C:\Users\Admin\AppData\Local\Temp\ed9108e451b186aef422097128d25b49_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed9108e451b186aef422097128d25b49_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Local\Temp\bez origin.exe
  "C:\Users\Admin\AppData\Local\Temp\bez origin.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bez origin.exe

Filesize
332KB

MD5
16b616ab3b244e14eddbbec0fdbf8bcc

SHA1
2b3c1dbd7e1a47d4a2aae10dcb7e262c3763ace5

SHA256
9f9674a12a618cfb0ef856d8db4455140a801ce76e549b3222af02e3df273e96

SHA512
d34c99d1008314dbd14ae26d1bf54efb916ab3670f798527ace33f7744e47742c56ba3f37c34976fe1fe5414fe54f5f1fe85c481827256856ebc01142d3aaf6b

Download Submit
memory/2820-15-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download
memory/2952-2-0x0000000000270000-0x000000000027D000-memory.dmp

Filesize
52KB

Download
memory/2952-3-0x0000000077241000-0x0000000077342000-memory.dmp

Filesize
1.0MB

Download
memory/2952-4-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download
memory/2952-16-0x0000000000270000-0x000000000027D000-memory.dmp

Filesize
52KB

Download