agenttesla | 86cdc28aa7b220cdf21710c3be636e7cb5f1dbb57b9dd27048113a02883ef9c8

General

Target

eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
Size

766KB
MD5

eddfc5c0d54df839168961eca8eac04b
SHA1

a9e4cf4442241da6cfe70c64a396dabcdb365aef
SHA256

86cdc28aa7b220cdf21710c3be636e7cb5f1dbb57b9dd27048113a02883ef9c8
SHA512

5711a3b2ef519a562b930560a697e667301389644f3f7b308eefa827a54b0daeb5525c3290547f3092cbabbadcd294ee721100b64007ac9aa2e44bcf9e30f760
SSDEEP

12288:kOLVE2/mYsY0GxRh7pHqKju+hltPxCT6fzBdEENo8RTzqN6W05N5wCauEii1B2jJ:ksVE2/mYsmJ7pKKyeltPxC+fzor8RTzt

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.blt-co.com
Port:
587
Username:
[email protected]
Password:
=5yFb77EJsg!

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/2556-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2556-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2556-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2556-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2556-11-0x0000000000400000-0x000000000043C000-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 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

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	eddfc5c0d54df839168961eca8eac04b_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	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eddfc5c0d54df839168961eca8eac04b_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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2556	2848	eddfc5c0d54df839168961eca8eac04b_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	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
2556	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
2556	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
Token: SeDebugPrivilege	2556	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2556	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2556	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	31
PID 2848 wrote to memory of 2556	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	31
PID 2848 wrote to memory of 2556	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	31
PID 2848 wrote to memory of 2556	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	31
PID 2848 wrote to memory of 2556	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	31
PID 2848 wrote to memory of 2556	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	31
PID 2848 wrote to memory of 2556	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	31
PID 2848 wrote to memory of 2556	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	31
PID 2848 wrote to memory of 2556	2848	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	31

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	eddfc5c0d54df839168961eca8eac04b_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	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eddfc5c0d54df839168961eca8eac04b_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:2848
- C:\Users\Admin\AppData\Local\Temp\eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eddfc5c0d54df839168961eca8eac04b_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:2556

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

2

T1552

Credentials In Files

2

T1552.001

Discovery

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

Replay Monitor

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Downloads

memory/2556-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-23-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-22-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-20-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-24-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-6-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-8-0x00000000021A0000-0x00000000021DE000-memory.dmp

Filesize
248KB

Download
memory/2848-2-0x0000000000620000-0x000000000067E000-memory.dmp

Filesize
376KB

Download
memory/2848-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2848-7-0x0000000004A40000-0x0000000004A9E000-memory.dmp

Filesize
376KB

Download
memory/2848-1-0x0000000000CD0000-0x0000000000D98000-memory.dmp

Filesize
800KB

Download
memory/2848-21-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-5-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2848-4-0x0000000000210000-0x0000000000218000-memory.dmp

Filesize
32KB

Download
memory/2848-3-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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