agenttesla | 958ada8f665a73d481ad974e482e553d2b4e84e895febe16c4766599d60a7225

General

Target

JaffaCakes118_3f447387337591602b837f5b02ab271e.exe
Size

545KB
MD5

3f447387337591602b837f5b02ab271e
SHA1

33291bad68b6b05efec4eb10c1092a08b7745e85
SHA256

958ada8f665a73d481ad974e482e553d2b4e84e895febe16c4766599d60a7225
SHA512

ceedb818ce417c9aa078bc388f547516feccc5166bcb45c41e085da08e0e4ad8b7f19b249c73e40eec0827cf5f9a21987d5bb7f465d69a4f450e019fc7dd3ae7
SSDEEP

6144:+GxhLLUnIBpvRjxiOiPUjNLByLx+iGFV46g0ZJeg8mGlN+30SvwH+kN:3TUITJxiJiNLkLKFV46pjGC30SvwH

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.diva-italia.com
Port:
587
Username:
[email protected]
Password:
rr.@%5LjgLz7

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1796-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_3f447387337591602b837f5b02ab271e.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 1796	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	101

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	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3104	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe
2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe
2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe
1796	RegSvcs.exe
1796	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe
Token: SeDebugPrivilege	1796	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 3104	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	99
PID 2808 wrote to memory of 3104	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	99
PID 2808 wrote to memory of 3104	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	99
PID 2808 wrote to memory of 1796	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	101
PID 2808 wrote to memory of 1796	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	101
PID 2808 wrote to memory of 1796	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	101
PID 2808 wrote to memory of 1796	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	101
PID 2808 wrote to memory of 1796	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	101
PID 2808 wrote to memory of 1796	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	101
PID 2808 wrote to memory of 1796	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	101
PID 2808 wrote to memory of 1796	2808	JaffaCakes118_3f447387337591602b837f5b02ab271e.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f447387337591602b837f5b02ab271e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f447387337591602b837f5b02ab271e.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:2808
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BqKzAb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp24E8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3104
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  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:1796

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1796-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1796-29-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/1796-28-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/1796-27-0x0000000006A20000-0x0000000006A70000-memory.dmp

Filesize
320KB

Download
memory/1796-24-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/1796-23-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/1796-22-0x00000000065A0000-0x0000000006606000-memory.dmp

Filesize
408KB

Download
memory/1796-21-0x0000000005650000-0x0000000005668000-memory.dmp

Filesize
96KB

Download
memory/1796-20-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/1796-18-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/2808-4-0x00000000055F0000-0x00000000055FA000-memory.dmp

Filesize
40KB

Download
memory/2808-10-0x0000000008420000-0x0000000008480000-memory.dmp

Filesize
384KB

Download
memory/2808-19-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/2808-9-0x0000000008320000-0x00000000083BC000-memory.dmp

Filesize
624KB

Download
memory/2808-8-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/2808-7-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

Filesize
4KB

Download
memory/2808-6-0x0000000005C00000-0x0000000005C0E000-memory.dmp

Filesize
56KB

Download
memory/2808-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

Filesize
4KB

Download
memory/2808-5-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/2808-3-0x0000000005690000-0x0000000005722000-memory.dmp

Filesize
584KB

Download
memory/2808-2-0x0000000005C40000-0x00000000061E4000-memory.dmp

Filesize
5.6MB

Download
memory/2808-1-0x0000000000BA0000-0x0000000000C2E000-memory.dmp

Filesize
568KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads