agenttesla | 12a246c63aa8f0b32e78b5d34454f6618c79d641e2502a91fba1fda6ce49e358

Analysis

max time kernel
562s
max time network
569s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2023, 00:20

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General

Target

Malware From 2018/9984cc40-3038-11e8-939c-80e65024849a.exe
Size

236KB
MD5

e1618002c8700b4ae261b1e5aea00e42
SHA1

71a93b760fb4c0ee6201ea09a19b50fd46d0439f
SHA256

61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89
SHA512

264a802e3e9e406d4a3f42d518a1ee1d6492cc012489c22525f1476375d73008e9b79d85f789f6d321b39800374fefbfa671031e4db6e247a152205cf4f76b3a
SSDEEP

3072:iLXXMJnskZfa9/+Wfj9t3JvHk8/17LQvREPUT0tEwguOe:aXDk+bRvHkY1yEGVwzO

Score

10^/10

agenttesla collection evasion 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
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9984cc40-3038-11e8-939c-80e65024849a.exe
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9984cc40-3038-11e8-939c-80e65024849a.exe
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9984cc40-3038-11e8-939c-80e65024849a.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-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\First Data Corp = "C:\\Users\\Admin\\AppData\\Local\\Temp\\First Data Corp\\First Data Corp.exe"	9984cc40-3038-11e8-939c-80e65024849a.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9984cc40-3038-11e8-939c-80e65024849a.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
14	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 1564	2908	9984cc40-3038-11e8-939c-80e65024849a.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1564	9984cc40-3038-11e8-939c-80e65024849a.exe
1564	9984cc40-3038-11e8-939c-80e65024849a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	9984cc40-3038-11e8-939c-80e65024849a.exe
Token: SeDebugPrivilege	1564	9984cc40-3038-11e8-939c-80e65024849a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1564	9984cc40-3038-11e8-939c-80e65024849a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 1564	2908	9984cc40-3038-11e8-939c-80e65024849a.exe	84
PID 2908 wrote to memory of 1564	2908	9984cc40-3038-11e8-939c-80e65024849a.exe	84
PID 2908 wrote to memory of 1564	2908	9984cc40-3038-11e8-939c-80e65024849a.exe	84
PID 2908 wrote to memory of 1564	2908	9984cc40-3038-11e8-939c-80e65024849a.exe	84
PID 2908 wrote to memory of 1564	2908	9984cc40-3038-11e8-939c-80e65024849a.exe	84
PID 2908 wrote to memory of 1564	2908	9984cc40-3038-11e8-939c-80e65024849a.exe	84
PID 2908 wrote to memory of 1564	2908	9984cc40-3038-11e8-939c-80e65024849a.exe	84
PID 2908 wrote to memory of 1564	2908	9984cc40-3038-11e8-939c-80e65024849a.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9984cc40-3038-11e8-939c-80e65024849a.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9984cc40-3038-11e8-939c-80e65024849a.exe

C:\Users\Admin\AppData\Local\Temp\Malware From 2018\9984cc40-3038-11e8-939c-80e65024849a.exe
"C:\Users\Admin\AppData\Local\Temp\Malware From 2018\9984cc40-3038-11e8-939c-80e65024849a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\Malware From 2018\9984cc40-3038-11e8-939c-80e65024849a.exe
  "C:\Users\Admin\AppData\Local\Temp\Malware From 2018\9984cc40-3038-11e8-939c-80e65024849a.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1564

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

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\Microsoft\CLR_v2.0_32\UsageLogs\9984cc40-3038-11e8-939c-80e65024849a.exe.log

Filesize
224B

MD5
9c4b66f77f12558c48b620ddfb44029d

SHA1
446651db643b943ec37b9b3599655e211a4bc73e

SHA256
42f723d18283fda6a0904046cc29ee8d10e562d20c7615259a46ae9c0e4c9708

SHA512
983aed0ec15a79b716ac6dc080146e4ed098c117c31167053fb5971649dc621d1db5292fdd76f3010f094b75d57ea0bdb35bc829c6ba37e4d276b266361dee8e

Download Submit
memory/1564-11-0x0000000001850000-0x0000000001860000-memory.dmp

Filesize
64KB

Download
memory/1564-4-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1564-7-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/1564-9-0x0000000001850000-0x0000000001860000-memory.dmp

Filesize
64KB

Download
memory/1564-10-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/1564-12-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/1564-13-0x0000000001850000-0x0000000001860000-memory.dmp

Filesize
64KB

Download
memory/1564-14-0x0000000001850000-0x0000000001860000-memory.dmp

Filesize
64KB

Download
memory/2908-2-0x0000000001240000-0x0000000001250000-memory.dmp

Filesize
64KB

Download
memory/2908-1-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/2908-8-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/2908-0-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download