agenttesla | 06612ebe7c954c24998fe20413c5baad39f85d234dab8204ed37af767b5bf38c

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
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 1 IoCs

resource	yara_rule
behavioral2/memory/3760-15-0x0000000000400000-0x000000000043C000-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

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	cbe1665218f10ee29b69e3b6b16a7d5e_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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-523280732-2327480845-3730041215-1000\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
61	api.ipify.org
62	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 684 set thread context of 3760	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	102

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
4916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
3760	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
3760	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3760	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe
Token: SeDebugPrivilege	3760	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 4916	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	100
PID 684 wrote to memory of 4916	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	100
PID 684 wrote to memory of 4916	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	100
PID 684 wrote to memory of 3760	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	102
PID 684 wrote to memory of 3760	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	102
PID 684 wrote to memory of 3760	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	102
PID 684 wrote to memory of 3760	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	102
PID 684 wrote to memory of 3760	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	102
PID 684 wrote to memory of 3760	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	102
PID 684 wrote to memory of 3760	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	102
PID 684 wrote to memory of 3760	684	cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\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-1-5-21-523280732-2327480845-3730041215-1000\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⤵
- 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:684
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OEtaqdoop" /XML "C:\Users\Admin\AppData\Local\Temp\tmp818F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4916
- 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:3760

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\cbe1665218f10ee29b69e3b6b16a7d5e_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp818F.tmp

Filesize
1KB

MD5
37db0eecd67c546c596bfeea24c3b958

SHA1
5e261de9a5f012caa10eae2da5e281c01712cdee

SHA256
4b4c34b3e2dd3bb62577db6af68bc34b304aa3959dedccae0ede179271be6807

SHA512
a5a2e9f6db60ef0eeffbee1a2d3d518d731cc0e9bafd3589ac6686a14f5eb6f6a05a4ec48f997e00d625196de01672b8853f479151bef798b2c572ad3dd8d75e

Download Submit
memory/684-6-0x0000000008350000-0x00000000083EC000-memory.dmp

Filesize
624KB

Download
memory/684-10-0x0000000008650000-0x00000000086E0000-memory.dmp

Filesize
576KB

Download
memory/684-4-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/684-5-0x0000000005C10000-0x0000000005C1A000-memory.dmp

Filesize
40KB

Download
memory/684-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/684-7-0x0000000008320000-0x0000000008332000-memory.dmp

Filesize
72KB

Download
memory/684-8-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/684-1-0x0000000000FF0000-0x00000000010A4000-memory.dmp

Filesize
720KB

Download
memory/684-19-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/684-11-0x000000000AD70000-0x000000000ADF4000-memory.dmp

Filesize
528KB

Download
memory/684-3-0x0000000005A70000-0x0000000005B02000-memory.dmp

Filesize
584KB

Download
memory/684-2-0x0000000006020000-0x00000000065C4000-memory.dmp

Filesize
5.6MB

Download
memory/684-9-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3760-18-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3760-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3760-20-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3760-21-0x0000000005B80000-0x0000000005B98000-memory.dmp

Filesize
96KB

Download
memory/3760-22-0x0000000006540000-0x00000000065A6000-memory.dmp

Filesize
408KB

Download
memory/3760-23-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3760-24-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3760-26-0x0000000007070000-0x00000000070C0000-memory.dmp

Filesize
320KB

Download
memory/3760-27-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3760-28-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download