agenttesla | 42eb1a6bc500ffc15fa3d45d7ecef420edd0c23fabf5d7996638178e2916c6cb

General

Target

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
Size

584KB
MD5

b166aa2a2c84b79e22a1a34de175c993
SHA1

32dfacc738e62d35d5651b4589d6d758e2af0fb2
SHA256

42eb1a6bc500ffc15fa3d45d7ecef420edd0c23fabf5d7996638178e2916c6cb
SHA512

d98e3fac5f5b08912fe688a6b4d1ea8298242489d88076cdee27aa3e399e9c35b2d8454f8559ca5cb2dda9681b1405a465014585af59d8ad13d7ddd88ce4abc0
SSDEEP

12288:U93Y6nGE8zEsjBYAwnb4blCaYzBCCqomDRaftBeB3Z6kl2mO:83YHEmYTALYzBCCfVgO

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dellvidi.com
Port:
587
Username:
[email protected]
Password:
merchant2####

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

Processes:

resource	yara_rule
behavioral2/memory/1392-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2804 set thread context of 1392	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	103

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

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exeb166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.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

Processes:

schtasks.exe

pid	Process
1896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exeb166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

pid	Process
2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
1392	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
1392	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

pid	Process
1392	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exeb166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
Token: SeDebugPrivilege	1392	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

pid	Process
1392	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2804 wrote to memory of 1896	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	100
PID 2804 wrote to memory of 1896	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	100
PID 2804 wrote to memory of 1896	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	100
PID 2804 wrote to memory of 768	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	102
PID 2804 wrote to memory of 768	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	102
PID 2804 wrote to memory of 768	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	102
PID 2804 wrote to memory of 1392	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	103
PID 2804 wrote to memory of 1392	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	103
PID 2804 wrote to memory of 1392	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	103
PID 2804 wrote to memory of 1392	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	103
PID 2804 wrote to memory of 1392	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	103
PID 2804 wrote to memory of 1392	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	103
PID 2804 wrote to memory of 1392	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	103
PID 2804 wrote to memory of 1392	2804	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe	103

outlook_office_path 1 IoCs

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

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	b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b166aa2a2c84b79e22a1a34de175c993_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:2804
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DqEwopdzeIE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB2A1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1896
- C:\Users\Admin\AppData\Local\Temp\b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe"
  2⤵
  PID:768
- C:\Users\Admin\AppData\Local\Temp\b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b166aa2a2c84b79e22a1a34de175c993_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1392

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

2

T1552

Credentials In Files

2

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

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1392-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1392-26-0x00000000066A0000-0x00000000066F0000-memory.dmp

Filesize
320KB

Download
memory/1392-25-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1392-24-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1392-23-0x0000000006270000-0x00000000062D6000-memory.dmp

Filesize
408KB

Download
memory/1392-22-0x00000000061E0000-0x00000000061F8000-memory.dmp

Filesize
96KB

Download
memory/1392-21-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1392-19-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2804-5-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2804-9-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2804-10-0x0000000009650000-0x00000000096BC000-memory.dmp

Filesize
432KB

Download
memory/2804-11-0x00000000096C0000-0x00000000096FE000-memory.dmp

Filesize
248KB

Download
memory/2804-8-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/2804-7-0x0000000007DA0000-0x0000000007DAA000-memory.dmp

Filesize
40KB

Download
memory/2804-20-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2804-6-0x0000000009410000-0x00000000094AC000-memory.dmp

Filesize
624KB

Download
memory/2804-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/2804-4-0x00000000019E0000-0x00000000019EA000-memory.dmp

Filesize
40KB

Download
memory/2804-3-0x0000000007DE0000-0x0000000007E72000-memory.dmp

Filesize
584KB

Download
memory/2804-2-0x00000000082F0000-0x0000000008894000-memory.dmp

Filesize
5.6MB

Download
memory/2804-1-0x0000000000E20000-0x0000000000EB8000-memory.dmp

Filesize
608KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads