agenttesla | 8f0e18c3776871c08f5c26a56f3b8edae0cb555d3194e99f581d99beda315bbd

Analysis

max time kernel
137s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/09/2024, 10:41

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General

Target

d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Size

610KB
MD5

d81944040f764a825bc229369ecb460c
SHA1

f057c58a913f2f95d8e422dcd6e9b6d3d240373b
SHA256

8f0e18c3776871c08f5c26a56f3b8edae0cb555d3194e99f581d99beda315bbd
SHA512

a7386d76b27a40febb3f140a2a5734f4666f9a2730d57b92c9ed852e56dbd0210a5d28e9edd5b8b9f6d6d6fa2aa75ccaf21ff66e8acfe1eff50c1846e86dcc86
SSDEEP

12288:Tv2Aq++rSemRO7hsg3UdLxSiVk7SHh7t+SmCUCvEvk:TARrSe++hsPSiVk7S/+SmDrvk

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/1324-12-0x0000000000400000-0x000000000044C000-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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	d81944040f764a825bc229369ecb460c_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-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1576 set thread context of 1324	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	105

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	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d81944040f764a825bc229369ecb460c_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
3264	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
1324	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
1324	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1324	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Token: SeDebugPrivilege	1324	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 3264	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	103
PID 1576 wrote to memory of 3264	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	103
PID 1576 wrote to memory of 3264	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	103
PID 1576 wrote to memory of 1324	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	105
PID 1576 wrote to memory of 1324	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	105
PID 1576 wrote to memory of 1324	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	105
PID 1576 wrote to memory of 1324	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	105
PID 1576 wrote to memory of 1324	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	105
PID 1576 wrote to memory of 1324	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	105
PID 1576 wrote to memory of 1324	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	105
PID 1576 wrote to memory of 1324	1576	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	105

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d81944040f764a825bc229369ecb460c_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:1576
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FVLWPrChQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF9BD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3264
- C:\Users\Admin\AppData\Local\Temp\d81944040f764a825bc229369ecb460c_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:1324

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4464,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=1040 /prefetch:8
1⤵
PID:2932

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\d81944040f764a825bc229369ecb460c_JaffaCakes118.exe.log

Filesize
608B

MD5
a313ffc1c72b3abba15c32feb12d45a4

SHA1
e14564ffb9f81696eff5bb9c125b402ecc0e0903

SHA256
152023d10fa39225fb85d263185d069c0d767797cfc762ca3c9f88d140f74ffa

SHA512
1b1883aa08f0addfa4b46c3a0d34dbc887c4337adc146cde5ff92d2527f9102fdc31a3f9def348ef07d13ebe5fb7bde8b3bdd980c311786a8b13db0feeccb931

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF9BD.tmp

Filesize
1KB

MD5
3996555536fc630bea25c47ac6d66b74

SHA1
c391777229a9d191413f501d5dbe32eb5b5bee40

SHA256
d3f7375f6e3708bcf431aee11b29084e6854f3bf9466838a5630104599d23d26

SHA512
46e92fc44b17d79fd997c0399ebbf6b8d096c84fcd64618f644deea225b5c9c0367b1a470431cf11651e743e4ed0a10a7722d739172abc1b8418285f5179e808

Download Submit
memory/1324-18-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1324-17-0x0000000005DA0000-0x0000000006344000-memory.dmp

Filesize
5.6MB

Download
memory/1324-26-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1324-25-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1324-24-0x00000000071B0000-0x00000000071BA000-memory.dmp

Filesize
40KB

Download
memory/1324-23-0x0000000006E50000-0x0000000006EA0000-memory.dmp

Filesize
320KB

Download
memory/1324-21-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/1324-20-0x00000000057F0000-0x0000000005808000-memory.dmp

Filesize
96KB

Download
memory/1324-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1324-19-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1324-15-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-8-0x000000000B470000-0x000000000B50C000-memory.dmp

Filesize
624KB

Download
memory/1576-16-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/1576-1-0x0000000000660000-0x00000000006FE000-memory.dmp

Filesize
632KB

Download
memory/1576-2-0x00000000010B0000-0x00000000010C2000-memory.dmp

Filesize
72KB

Download
memory/1576-3-0x0000000005090000-0x0000000005122000-memory.dmp

Filesize
584KB

Download
memory/1576-7-0x0000000007BE0000-0x0000000007C40000-memory.dmp

Filesize
384KB

Download
memory/1576-6-0x00000000056C0000-0x0000000005726000-memory.dmp

Filesize
408KB

Download
memory/1576-5-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-4-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download