agenttesla | ae5d0b77f675df5f62fab8f409d5fbd7d2fb4ef3cf3409feefb5446cf6bcd335

Analysis

max time kernel
99s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2024 08:39

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General

Target

e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
Size

887KB
MD5

e218c6f543087ad611dbfe95c25ca755
SHA1

8cb78a0e6f629b496d587413376435ce81f4a69d
SHA256

ae5d0b77f675df5f62fab8f409d5fbd7d2fb4ef3cf3409feefb5446cf6bcd335
SHA512

7dd0bfb280b73185e19d1c1736ca65febad1effdfdbf2a5fc740c84891fe4e779fabc395baffc75cf9fd60f9c629d0411f44044ef1c92d4640878a4d63ee9076
SSDEEP

12288:Qkie/02Eft97A4a7io//WwVMMXwcQ1OkF3WbmeicD2402EfEnBBVwehEAJFmF:vM2k97IOkVMT7EYGbmey32pBBCjAJ

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
HEoxefZ9

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
HEoxefZ9

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
behavioral2/memory/3828-15-0x0000000000400000-0x000000000044C000-memory.dmp	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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	e218c6f543087ad611dbfe95c25ca755_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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3172 set thread context of 3828	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	98

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 3 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	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2984	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
3828	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
3828	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3828	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
Token: SeDebugPrivilege	3828	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 2984	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	95
PID 3172 wrote to memory of 2984	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	95
PID 3172 wrote to memory of 2984	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	95
PID 3172 wrote to memory of 4048	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	97
PID 3172 wrote to memory of 4048	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	97
PID 3172 wrote to memory of 4048	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	97
PID 3172 wrote to memory of 3828	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	98
PID 3172 wrote to memory of 3828	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	98
PID 3172 wrote to memory of 3828	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	98
PID 3172 wrote to memory of 3828	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	98
PID 3172 wrote to memory of 3828	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	98
PID 3172 wrote to memory of 3828	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	98
PID 3172 wrote to memory of 3828	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	98
PID 3172 wrote to memory of 3828	3172	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hCSkfelSKIXR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB96.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2984
- C:\Users\Admin\AppData\Local\Temp\e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:4048
- C:\Users\Admin\AppData\Local\Temp\e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Query Registry

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe.log

Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFB96.tmp

Filesize
1KB

MD5
bbe8965eb31654e9a1fdcaf8fc49bfab

SHA1
83ecb917ec539289f850fca1dac5676d79f188ea

SHA256
00a61e336728e04e96aaabc750efc626f991fbb28500a01f3d6ca51658e67c1c

SHA512
dcb4edcfe7b0f8555cb497d1297b4c485649b39f284d76b56059ebe96ebd3b88c5e74cd2dfd77b10c4c93a855e5b3bda2470c84daabcd26eb5698ed0f9894548

Download Submit
memory/3172-6-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/3172-4-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3172-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp

Filesize
5.6MB

Download
memory/3172-5-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/3172-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/3172-7-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/3172-8-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3172-9-0x0000000006BD0000-0x0000000006C42000-memory.dmp

Filesize
456KB

Download
memory/3172-1-0x0000000000A20000-0x0000000000B06000-memory.dmp

Filesize
920KB

Download
memory/3172-11-0x00000000091A0000-0x0000000009208000-memory.dmp

Filesize
416KB

Download
memory/3172-18-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3172-3-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/3172-10-0x0000000006CE0000-0x0000000006D7C000-memory.dmp

Filesize
624KB

Download
memory/3828-27-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3828-19-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3828-20-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3828-21-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3828-22-0x0000000005A20000-0x0000000005A38000-memory.dmp

Filesize
96KB

Download
memory/3828-23-0x00000000066C0000-0x0000000006726000-memory.dmp

Filesize
408KB

Download
memory/3828-25-0x0000000006CC0000-0x0000000006D10000-memory.dmp

Filesize
320KB

Download
memory/3828-26-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3828-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download