agenttesla | d27811d8d6973b0a3996311ab81217502d9aedc4e9b3fe34c701fb37eadbb8c8

General

Target

dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe
Size

957KB
MD5

dac31e0bcbe7ee14a37e90973b3c56c8
SHA1

d42122dc4d28ea3991a69f8110429486cc6e3d7b
SHA256

d27811d8d6973b0a3996311ab81217502d9aedc4e9b3fe34c701fb37eadbb8c8
SHA512

dc357a6ffe997daed0be5065a1aab49ea7be0b6c482f9c7d854a539928ccbd1fe14324b63dd6e28dc4211df71e7bdf806a92b2b7d5762487743f56e28eb63e8c
SSDEEP

24576:HlOcanTxmu0u5lfXg4rjIGySXAgGPaOu0rS3kP0:HGtm2fXhIbUAru8SkP0

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.smart-noodles.com
Port:
587
Username:
[email protected]
Password:
info@#$%^&*()

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/3820-15-0x0000000000400000-0x000000000043C000-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

Drops file in Drivers directory 1 IoCs

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

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	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Roaming\\WCPCe\\WCPCe.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3432 set thread context of 3820	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	97

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	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
2372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe
3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe
3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe
3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe
3820	RegSvcs.exe
3820	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe
Token: SeDebugPrivilege	3820	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3432 wrote to memory of 2372	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	95
PID 3432 wrote to memory of 2372	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	95
PID 3432 wrote to memory of 2372	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	95
PID 3432 wrote to memory of 3820	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	97
PID 3432 wrote to memory of 3820	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	97
PID 3432 wrote to memory of 3820	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	97
PID 3432 wrote to memory of 3820	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	97
PID 3432 wrote to memory of 3820	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	97
PID 3432 wrote to memory of 3820	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	97
PID 3432 wrote to memory of 3820	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	97
PID 3432 wrote to memory of 3820	3432	dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe	97

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	RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\dac31e0bcbe7ee14a37e90973b3c56c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dac31e0bcbe7ee14a37e90973b3c56c8_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:3432
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UKWhDohQk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B72.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2372
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8B72.tmp

Filesize
1KB

MD5
fd5bb7ac044b988a993e8a3c7159e47c

SHA1
5c348fc0bb0ba2791d3500f0cd0d226a47e07591

SHA256
7bcbbac2273ed62af9f89abd2ae1cc07792ecc524df8f5432fd4ccbd9e354466

SHA512
0cfb46c25835a3a8420234769e7a91c29b78cf72ae9ce29eb8251ad479d7dff815e52b9036a759b5c7d9a197ba1c5255623bef346a683bb6f260d0096f92a754

Download Submit
memory/3432-10-0x000000000ADD0000-0x000000000AE5C000-memory.dmp

Filesize
560KB

Download
memory/3432-3-0x0000000005AE0000-0x0000000005B72000-memory.dmp

Filesize
584KB

Download
memory/3432-1-0x0000000000FA0000-0x0000000001094000-memory.dmp

Filesize
976KB

Download
memory/3432-4-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3432-5-0x0000000005A50000-0x0000000005A5A000-memory.dmp

Filesize
40KB

Download
memory/3432-6-0x00000000084D0000-0x00000000084E2000-memory.dmp

Filesize
72KB

Download
memory/3432-7-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/3432-8-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3432-11-0x000000000E340000-0x000000000E3DC000-memory.dmp

Filesize
624KB

Download
memory/3432-0-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/3432-18-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3432-2-0x0000000005FF0000-0x0000000006594000-memory.dmp

Filesize
5.6MB

Download
memory/3432-9-0x00000000084E0000-0x0000000008576000-memory.dmp

Filesize
600KB

Download
memory/3820-27-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3820-17-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3820-19-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3820-20-0x00000000053D0000-0x00000000053E8000-memory.dmp

Filesize
96KB

Download
memory/3820-21-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/3820-22-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3820-23-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3820-26-0x0000000006640000-0x0000000006690000-memory.dmp

Filesize
320KB

Download
memory/3820-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads