agenttesla | f03aa3254a964c676c99d1b2e96ef0e84d4c81e3b0885debf8e49f731c3d4779

General

Target

df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
Size

543KB
MD5

df5f7665dd7143e8b03934ce0cb6bda8
SHA1

6095e3e8b00ce98364584d20a700fefa7963167d
SHA256

f03aa3254a964c676c99d1b2e96ef0e84d4c81e3b0885debf8e49f731c3d4779
SHA512

e844f49f4e1d00cc52f14113552a8d33c595db3aaddcf81c6374a449ee14a46f2efa13290f09f3136636a2a06eb49a55a6aa56f9dee86170746a9d8a8be143d4
SSDEEP

12288:W07VNnviSv2zv1gDkpaoHsrfANWGEbDnMp3Tq4pH6lEPK:WKVFC2IaFrfAgGEXnM5vHGEP

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.thanhphet.asia
Port:
587
Username:
[email protected]
Password:
Daddyhandsome@1234
Email To:
[email protected]

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/1356-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1356-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1356-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1356-26-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1356-24-0x0000000000400000-0x000000000043C000-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
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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df5f7665dd7143e8b03934ce0cb6bda8_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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2220 set thread context of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34

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	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df5f7665dd7143e8b03934ce0cb6bda8_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
1300	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
1356	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
1356	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
Token: SeDebugPrivilege	1356	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1356	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1300	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	31
PID 2220 wrote to memory of 1300	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	31
PID 2220 wrote to memory of 1300	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	31
PID 2220 wrote to memory of 1300	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	31
PID 2220 wrote to memory of 1604	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	33
PID 2220 wrote to memory of 1604	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	33
PID 2220 wrote to memory of 1604	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	33
PID 2220 wrote to memory of 1604	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	33
PID 2220 wrote to memory of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34
PID 2220 wrote to memory of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34
PID 2220 wrote to memory of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34
PID 2220 wrote to memory of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34
PID 2220 wrote to memory of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34
PID 2220 wrote to memory of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34
PID 2220 wrote to memory of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34
PID 2220 wrote to memory of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34
PID 2220 wrote to memory of 1356	2220	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FfBwjfLmXy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp915.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1300
- C:\Users\Admin\AppData\Local\Temp\df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe"
  2⤵
  PID:1604
- C:\Users\Admin\AppData\Local\Temp\df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\df5f7665dd7143e8b03934ce0cb6bda8_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1356

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

System Information Discovery

1

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\Temp\tmp915.tmp

Filesize
1KB

MD5
1aa0a819bd0e0f745039f8b477c09366

SHA1
a4e9a3efa3891074ea5c982895ab14fa6f49c15a

SHA256
182fdddf342c2f5c58302e52c8858987471d30ba46a8b870dd99645ed90fe0bf

SHA512
3616ba1cb517111779ce2288999a88b318c679e840f7c8024f836b836c48479b5b0d7223b9cd00e271f3d5f1c5cfae45532bc24995decc6b4c96dd5a9037631c

Download Submit
memory/1356-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1356-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1356-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1356-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1356-30-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1356-29-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1356-27-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1356-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1356-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1356-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1356-31-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1356-26-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2220-7-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2220-1-0x0000000000150000-0x00000000001DE000-memory.dmp

Filesize
568KB

Download
memory/2220-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

Filesize
4KB

Download
memory/2220-3-0x0000000000390000-0x00000000003A8000-memory.dmp

Filesize
96KB

Download
memory/2220-8-0x0000000002040000-0x0000000002080000-memory.dmp

Filesize
256KB

Download
memory/2220-2-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-28-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-6-0x0000000004C40000-0x0000000004C98000-memory.dmp

Filesize
352KB

Download
memory/2220-5-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-4-0x00000000742BE000-0x00000000742BF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads