agenttesla | f21e0b50c1d764720c940169a83e4331331113ce1a68fe7be541a47ab07e0a0c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 01:38

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General

Target

fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
Size

1.8MB
MD5

fdeda0b1cec9ab9c2f5f6b8b10e8a08a
SHA1

1f842bf7af95dd172cb408e6561123adf43451ce
SHA256

f21e0b50c1d764720c940169a83e4331331113ce1a68fe7be541a47ab07e0a0c
SHA512

572d95b0266e903085049e84790b058ea469ca49535c8b525299c505dcc1c74bf77251139abb03ec70d4658ca352663665f5afcae31d4b6c10254e6468488532
SSDEEP

49152:bAOJkbSb8GNrom09Gjre1U9jaAd/3yd2OluON4fA9u:ISe1U9O6

Score

10^/10

agenttesla collection credential_access discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.mmdqatar.com/
Port:
21
Username:
[email protected]
Password:
Mm.101010

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1496-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_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 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
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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Appdata = "C:\\Users\\Admin\\AppData\\Roaming\\Appdata\\Appdata.exe"	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1952 set thread context of 1496	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe	91

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	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
1496	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
1496	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
Token: SeDebugPrivilege	1496	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1496	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 1496	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe	91
PID 1952 wrote to memory of 1496	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe	91
PID 1952 wrote to memory of 1496	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe	91
PID 1952 wrote to memory of 1496	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe	91
PID 1952 wrote to memory of 1496	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe	91
PID 1952 wrote to memory of 1496	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe	91
PID 1952 wrote to memory of 1496	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe	91
PID 1952 wrote to memory of 1496	1952	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Users\Admin\AppData\Local\Temp\fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe
  "{path}"
  2⤵
  - 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:1496

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

Virtualization/Sandbox Evasion

T1497

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118.exe.log

Filesize
1KB

MD5
4a926bd56476583ba16778dcb6753f3f

SHA1
68f25a6119cec480075f2e9a0cb57ad72c20f832

SHA256
5ffdd42ee2e777868ecf9ec7f8ff8a75fbd3c24b83d4ea6c077e0f8695186c9c

SHA512
7df5c4ed3784d284fa9a568f51a3909c923e31fc5548d12dbafcd40a78c251f20d0243b5a691ceb766e9ba0b5e556269b72e755a691eef05b24837feb1f1a528

Download Submit
memory/1496-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1496-29-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1496-28-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1496-27-0x0000000006AC0000-0x0000000006B10000-memory.dmp

Filesize
320KB

Download
memory/1496-24-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1496-23-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1496-22-0x0000000005940000-0x0000000005958000-memory.dmp

Filesize
96KB

Download
memory/1496-21-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1496-19-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1952-6-0x00000000052E0000-0x00000000052EA000-memory.dmp

Filesize
40KB

Download
memory/1952-20-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1952-12-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1952-13-0x0000000008D40000-0x0000000008DC4000-memory.dmp

Filesize
528KB

Download
memory/1952-14-0x0000000008DC0000-0x0000000008DFC000-memory.dmp

Filesize
240KB

Download
memory/1952-15-0x0000000008EC0000-0x0000000008F26000-memory.dmp

Filesize
408KB

Download
memory/1952-10-0x0000000004D60000-0x0000000004D74000-memory.dmp

Filesize
80KB

Download
memory/1952-9-0x00000000085C0000-0x00000000085E2000-memory.dmp

Filesize
136KB

Download
memory/1952-8-0x0000000008570000-0x0000000008582000-memory.dmp

Filesize
72KB

Download
memory/1952-11-0x000000007499E000-0x000000007499F000-memory.dmp

Filesize
4KB

Download
memory/1952-7-0x0000000006DB0000-0x0000000007104000-memory.dmp

Filesize
3.3MB

Download
memory/1952-0-0x000000007499E000-0x000000007499F000-memory.dmp

Filesize
4KB

Download
memory/1952-5-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1952-4-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/1952-3-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/1952-2-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/1952-1-0x0000000000750000-0x0000000000918000-memory.dmp

Filesize
1.8MB

Download