agenttesla | 06612ebe7c954c24998fe20413c5baad39f85d234dab8204ed37af767b5bf38c

Analysis

max time kernel
137s
max time network
137s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30/08/2024, 23:40

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General

Target

cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
Size

693KB
MD5

cbe1665218f10ee29b69e3b6b16a7d5e
SHA1

8fe453e0a55238a229caaf05758e903d1c381ccc
SHA256

06612ebe7c954c24998fe20413c5baad39f85d234dab8204ed37af767b5bf38c
SHA512

2160fbef2cbd0f1dbedec82224a79af8be5ae5f7959aa0c73a851840f8070fa1be3480fa24997a919cbe7cf340608949f9ec42970d2530b85a95c9ff7f03c33d
SSDEEP

12288:P9oAFkhcBwNDGGuOIXqZ6bsGVF0iABXzY0KpjIZUf6AvqfvxXFNqca3:VoukiKBZ3GVF0iABjYFp+U9v0FFNqca3

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
sirohms442037

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2076-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2076-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2076-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2076-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2076-21-0x0000000000400000-0x000000000043C000-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
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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cbe1665218f10ee29b69e3b6b16a7d5e_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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2368 set thread context of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31

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	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.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
2900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
2076	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
2076	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2076	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
Token: SeDebugPrivilege	2076	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2900	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	29
PID 2368 wrote to memory of 2900	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	29
PID 2368 wrote to memory of 2900	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	29
PID 2368 wrote to memory of 2900	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	29
PID 2368 wrote to memory of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31
PID 2368 wrote to memory of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31
PID 2368 wrote to memory of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31
PID 2368 wrote to memory of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31
PID 2368 wrote to memory of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31
PID 2368 wrote to memory of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31
PID 2368 wrote to memory of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31
PID 2368 wrote to memory of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31
PID 2368 wrote to memory of 2076	2368	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OEtaqdoop" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD72.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2900
- C:\Users\Admin\AppData\Local\Temp\cbe1665218f10ee29b69e3b6b16a7d5e_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:2076

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

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\tmpFD72.tmp

Filesize
1KB

MD5
d99d3083a3c6f4f3b0588fcf5f212fa5

SHA1
61c9a1e7ae3efc1107a05f8cb3139ff9ca0b0290

SHA256
036f8e7f650487feb09679114507492ad86437742f5a4431b9bbe044300e02bc

SHA512
d5c67d3fcc0e77f77725607fc2589a9b15ff378908c75da36ac57787fb198953f67b9e8ab23dfe2b6b63d221513eae991457aa6d4d4cac858ad9cafa673263da

Download Submit
memory/2076-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2076-27-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-26-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-25-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2076-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2076-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2076-28-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2076-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2076-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2076-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2368-5-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-7-0x0000000008030000-0x00000000080B4000-memory.dmp

Filesize
528KB

Download
memory/2368-24-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-6-0x0000000007FA0000-0x0000000008030000-memory.dmp

Filesize
576KB

Download
memory/2368-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2368-4-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2368-3-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/2368-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-1-0x00000000009E0000-0x0000000000A94000-memory.dmp

Filesize
720KB

Download