agenttesla | 80fe0d30794f8831524ac6309ed0588b6a88b85a244ed266da4c9d7a92e3ee9f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 08:36

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General

Target

f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
Size

757KB
MD5

f33ef1f7bf7e283d2b9fca017c9231a2
SHA1

e65b3dd978bb75089d9ae82ab074fbf4f1b42fd6
SHA256

80fe0d30794f8831524ac6309ed0588b6a88b85a244ed266da4c9d7a92e3ee9f
SHA512

2e83cba288d0921d08d4da07bf36902d2144137dc49d0b3d54232b2af04704910531d44a63c6379734f822f6ede71699c56aa4f74885158653756af42c1fe205
SSDEEP

12288:kCy++re2vR6v1aga67mynlbUGyk8Uc5xz/gJX8d+apDBjVLRPzy:kfRrbfBsnP8UIIMdlpDzlPu

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:
nnedimma080

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
nnedimma080

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/1532-15-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	f33ef1f7bf7e283d2b9fca017c9231a2_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-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f33ef1f7bf7e283d2b9fca017c9231a2_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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3172 set thread context of 1532	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	93

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	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f33ef1f7bf7e283d2b9fca017c9231a2_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
3144	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
1532	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
1532	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1532	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
Token: SeDebugPrivilege	1532	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 3144	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	91
PID 3172 wrote to memory of 3144	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	91
PID 3172 wrote to memory of 3144	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	91
PID 3172 wrote to memory of 1532	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	93
PID 3172 wrote to memory of 1532	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	93
PID 3172 wrote to memory of 1532	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	93
PID 3172 wrote to memory of 1532	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	93
PID 3172 wrote to memory of 1532	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	93
PID 3172 wrote to memory of 1532	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	93
PID 3172 wrote to memory of 1532	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	93
PID 3172 wrote to memory of 1532	3172	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f33ef1f7bf7e283d2b9fca017c9231a2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f33ef1f7bf7e283d2b9fca017c9231a2_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\RRIfFAt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D83.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3144
- C:\Users\Admin\AppData\Local\Temp\f33ef1f7bf7e283d2b9fca017c9231a2_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:1532

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\Temp\tmp2D83.tmp

Filesize
1KB

MD5
3ae8a13ea3aac47f072ee5dc082cba9a

SHA1
3ea3aeb1f815c9206ac61c1cb5e9e1d82adb3551

SHA256
c94dcd0515cbb7d7857fd33864a8795dec7fdc613ccb89b6ed8c5d7431551736

SHA512
344b0d625b6894a4f53da30d5d9c7a40f0c2dd8ce18da39ce92cb0fcaabe08315df1fb2f1056906f9a9f974ec50e135334ae763ddf1aad6f9d32b091397c4f4b

Download Submit
memory/1532-25-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-24-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-23-0x00000000068A0000-0x00000000068F0000-memory.dmp

Filesize
320KB

Download
memory/1532-21-0x0000000006270000-0x00000000062D6000-memory.dmp

Filesize
408KB

Download
memory/1532-20-0x0000000005C30000-0x0000000005C48000-memory.dmp

Filesize
96KB

Download
memory/1532-19-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-17-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-15-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3172-10-0x00000000073F0000-0x0000000007476000-memory.dmp

Filesize
536KB

Download
memory/3172-0-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/3172-11-0x0000000009C20000-0x0000000009C9E000-memory.dmp

Filesize
504KB

Download
memory/3172-9-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/3172-8-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/3172-7-0x0000000005DC0000-0x0000000005DD2000-memory.dmp

Filesize
72KB

Download
memory/3172-18-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/3172-6-0x0000000007140000-0x00000000071DC000-memory.dmp

Filesize
624KB

Download
memory/3172-5-0x0000000005A50000-0x0000000005A5A000-memory.dmp

Filesize
40KB

Download
memory/3172-4-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/3172-3-0x0000000005A70000-0x0000000005B02000-memory.dmp

Filesize
584KB

Download
memory/3172-2-0x0000000006020000-0x00000000065C4000-memory.dmp

Filesize
5.6MB

Download
memory/3172-1-0x0000000000FD0000-0x0000000001094000-memory.dmp

Filesize
784KB

Download