agenttesla | 9029fc110d6ad30af1c140d2c7af2192b17c04986ba7bacebed72d58c84241a7

General

Target

d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
Size

988KB
MD5

d52f916350d4d368b63e8ead67fe518c
SHA1

f46149ea868e8d5372ba4e2c74ebf5daea059bf8
SHA256

9029fc110d6ad30af1c140d2c7af2192b17c04986ba7bacebed72d58c84241a7
SHA512

29d6125689cb704baa9c35ebbf8aa238b3ef5e354ecc9f53552439b05c96ca4568d7174ce04ad187cea8eb6aa69867f16db0fee36c937624396b86cb1e6858ad
SSDEEP

24576:/yBOjP6+DJZXX9i7atVnRU+7UwyKC59t8OS3j:D/Y78RyL9mZj

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
skuby511

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
skuby511

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/3508-12-0x0000000000400000-0x0000000000466000-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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	d52f916350d4d368b63e8ead67fe518c_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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4492 set thread context of 3508	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	98

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	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d52f916350d4d368b63e8ead67fe518c_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
2936	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
3508	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
3508	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
Token: SeDebugPrivilege	3508	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 2936	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	96
PID 4492 wrote to memory of 2936	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	96
PID 4492 wrote to memory of 2936	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	96
PID 4492 wrote to memory of 3508	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	98
PID 4492 wrote to memory of 3508	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	98
PID 4492 wrote to memory of 3508	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	98
PID 4492 wrote to memory of 3508	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	98
PID 4492 wrote to memory of 3508	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	98
PID 4492 wrote to memory of 3508	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	98
PID 4492 wrote to memory of 3508	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	98
PID 4492 wrote to memory of 3508	4492	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d52f916350d4d368b63e8ead67fe518c_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:4492
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ojkjeS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A3A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2936
- C:\Users\Admin\AppData\Local\Temp\d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d52f916350d4d368b63e8ead67fe518c_JaffaCakes118.exe.log

Filesize
412B

MD5
e72888b5960716cf170f3e1becd14370

SHA1
0aeefd2d4a7948a03aad625ca86fc34d79adf248

SHA256
8317f594f74040b50e1b88f4aba5e6da3423bf47fe91df59e6e85f37b1f7e0ab

SHA512
9cdfda6fc4f324dfd8d53b46610114252431a5d26296a6f3d606b8ffeef172263fbde9ce0a1b2b9232dabcdabd33d6677e9a5f7693b175f24cea622c31b5c6b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1A3A.tmp

Filesize
1KB

MD5
02bf8f3ea8fddadddd5a1c99827a7a65

SHA1
0efe0860ff11b94bb2f4ccec00bcea2592b4c573

SHA256
32f16bc2a60b87412fc0c77a10a6257f085f1770e4a0287cbb1a89622b30e148

SHA512
43df8fad6bab2dcc3d485831abbadc75ff56602a0f96c7e6cd9804601eb366400f2dabc315303641de7ce2a82568167d8f5bb32295a3eb1328d430d2960af655

Download Submit
memory/3508-18-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3508-16-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3508-23-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3508-22-0x0000000006A10000-0x0000000006A1A000-memory.dmp

Filesize
40KB

Download
memory/3508-21-0x0000000006530000-0x0000000006580000-memory.dmp

Filesize
320KB

Download
memory/3508-20-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/3508-19-0x00000000053F0000-0x0000000005408000-memory.dmp

Filesize
96KB

Download
memory/3508-17-0x0000000005A90000-0x0000000006034000-memory.dmp

Filesize
5.6MB

Download
memory/3508-12-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4492-1-0x0000000000690000-0x000000000078E000-memory.dmp

Filesize
1016KB

Download
memory/4492-15-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4492-3-0x00000000050A0000-0x00000000050B2000-memory.dmp

Filesize
72KB

Download
memory/4492-2-0x00000000050D0000-0x000000000516C000-memory.dmp

Filesize
624KB

Download
memory/4492-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/4492-8-0x0000000007E90000-0x0000000007F46000-memory.dmp

Filesize
728KB

Download
memory/4492-7-0x0000000005650000-0x0000000005708000-memory.dmp

Filesize
736KB

Download
memory/4492-6-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4492-5-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/4492-4-0x00000000052B0000-0x0000000005342000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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