agenttesla | d29146e5b95389a8038df316270aa4c710d686db36d77e29f91d30f6f771b565

General

Target

d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe
Size

1.6MB
MD5

d5186d86dd0dffbd468963ea8e28cb47
SHA1

e8a2b612d31a70df90febdd0542fe63ae0a034bb
SHA256

d29146e5b95389a8038df316270aa4c710d686db36d77e29f91d30f6f771b565
SHA512

12c4cd0e7f2d69c370b4d2b94ada374e2f6fa99de2ae7a1d905e4256e04dfad37e14109dbbb9104f41f46565f371ac5d9ab766098c2a8011bf6f3a7002dc2035
SSDEEP

49152:vh+ZkldoPKi2a4G/u0UU94VE+syQGxy9/TO:42cPKixEtxxm

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 3 IoCs

resource	yara_rule
behavioral1/memory/2484-2-0x0000000000400000-0x0000000000456000-memory.dmp	family_agenttesla
behavioral1/memory/2484-6-0x0000000000400000-0x0000000000456000-memory.dmp	family_agenttesla
behavioral1/memory/2484-4-0x0000000000400000-0x0000000000456000-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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2484	2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2484	RegSvcs.exe
2484	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe
2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe
2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe
2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe
2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2484	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2484	2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2484	2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2484	2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2484	2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2484	2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2484	2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2484	2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2484	2512	d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5186d86dd0dffbd468963ea8e28cb47_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegSvcs.exe"
  2⤵
  - Drops file in Drivers directory
  - 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:2484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2484-8-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-2-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2484-6-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2484-4-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2484-7-0x0000000074131000-0x0000000074132000-memory.dmp

Filesize
4KB

Download
memory/2484-9-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-10-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-12-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-13-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-14-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-15-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2512-1-0x0000000000D10000-0x0000000000D60000-memory.dmp

Filesize
320KB

Download
memory/2512-0-0x0000000000650000-0x00000000006A0000-memory.dmp

Filesize
320KB

Download

Analysis

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