agenttesla | e5f02b70e447b979ab9c73076158545775fb71d06d4f2598c6cbc8590ab9f085

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 06:47

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General

Target

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
Size

606KB
MD5

f9bca2152405e043dad8ea0d72a3b89a
SHA1

4e6a34d53a989520312db6d7a67bf763107527e0
SHA256

e5f02b70e447b979ab9c73076158545775fb71d06d4f2598c6cbc8590ab9f085
SHA512

0b4aa99adf0f5abc009455b877ac0282eef3e5aee39b541221390f56d6162140735bef18b37fce021c53a951b600510aae2c2440c209947df2e802184ab3b4fb
SSDEEP

12288:noiK40Opv2lg51GmnsmOiZa48I5VTs+zNBhnySv1WsCJ8XWx:ndK40OpvEuPnOKaeT7dHtLXW

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.shapetechnolorgies.com
Port:
587
Username:
[email protected]
Password:
!rqlVuK6

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/948-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	f9bca2152405e043dad8ea0d72a3b89a_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

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

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

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation	f9bca2152405e043dad8ea0d72a3b89a_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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9bca2152405e043dad8ea0d72a3b89a_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

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	pid	process	target process
PID 1188 set thread context of 948	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3224 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

pid process

948 f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
948 f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 948 f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

pid	process
3224	schtasks.exe

pid	process
948	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
948	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	948	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	pid	process	target process
PID 1188 wrote to memory of 3224	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	schtasks.exe
PID 1188 wrote to memory of 3224	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	schtasks.exe
PID 1188 wrote to memory of 3224	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	schtasks.exe
PID 1188 wrote to memory of 948	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
PID 1188 wrote to memory of 948	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
PID 1188 wrote to memory of 948	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
PID 1188 wrote to memory of 948	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
PID 1188 wrote to memory of 948	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
PID 1188 wrote to memory of 948	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
PID 1188 wrote to memory of 948	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
PID 1188 wrote to memory of 948	1188	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

outlook_office_path 1 IoCs

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zVZYkNAAU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE09.tmp"
2⤵
- Creates scheduled task(s)
PID:3224

C:\Users\Admin\AppData\Local\Temp\f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:948

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f9bca2152405e043dad8ea0d72a3b89a_JaffaCakes118.exe.log
Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEE09.tmp
Filesize
1KB

MD5
ccfd100126a49333ecb333f8e605904f

SHA1
a07e15363d71e14de2a36d1fb73718362c59cda7

SHA256
3396134661bc7d804dfb97d9b235931c0a2a7fb8404098d777877bc59a994e8e

SHA512
2620e903ffdca4fa730817d1a4297c741973cc2a79bca5bb07446e7d5f8b2979cd058ef0a980afc7a3bc29a497fcd44caadc9897ae8cd730d5866303b526d0f6

Download Submit
memory/948-25-0x0000000006480000-0x00000000064D0000-memory.dmp

Filesize
320KB

Download
memory/948-24-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/948-23-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/948-22-0x0000000005960000-0x0000000005978000-memory.dmp

Filesize
96KB

Download
memory/948-21-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/948-19-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/948-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1188-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

Filesize
40KB

Download
memory/1188-20-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/1188-11-0x0000000009510000-0x0000000009570000-memory.dmp

Filesize
384KB

Download
memory/1188-12-0x000000000C570000-0x000000000C5D6000-memory.dmp

Filesize
408KB

Download
memory/1188-9-0x00000000059A0000-0x00000000059B0000-memory.dmp

Filesize
64KB

Download
memory/1188-8-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/1188-7-0x0000000006A10000-0x0000000006AAC000-memory.dmp

Filesize
624KB

Download
memory/1188-10-0x0000000006EB0000-0x0000000006F56000-memory.dmp

Filesize
664KB

Download
memory/1188-6-0x0000000006960000-0x0000000006968000-memory.dmp

Filesize
32KB

Download
memory/1188-0-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/1188-4-0x00000000059A0000-0x00000000059B0000-memory.dmp

Filesize
64KB

Download
memory/1188-3-0x0000000005740000-0x00000000057D2000-memory.dmp

Filesize
584KB

Download
memory/1188-2-0x0000000005DB0000-0x0000000006354000-memory.dmp

Filesize
5.6MB

Download
memory/1188-1-0x0000000000D00000-0x0000000000D9E000-memory.dmp

Filesize
632KB

Download