agenttesla | f2d8133a996e9947b5856f73cf72084c9d4f8ebf4236103552a4ba0d48e21818

General

Target

f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe
Size

473KB
MD5

f53ea5f974cda8d558509f2151166403
SHA1

b7d5fabc884c6b5f6eed6892ed75b2ed59f44b2e
SHA256

f2d8133a996e9947b5856f73cf72084c9d4f8ebf4236103552a4ba0d48e21818
SHA512

c5707dbbc180bac8f797187a14480f266ed4c2c69c803d297583b3551012dca8b741b64b98b30007a8c3f9dee31b9d33e66d9b60457b16c7ca99698a2e4784e9
SSDEEP

12288:4jR/SQVieU43JL+DkAUBQLvdhsv4RldSenjpAZnrehqb:wR/SQVi743JL+DlLw4j8ej+triq

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
premium124.web-hosting.com
Port:
587
Username:
[email protected]
Password:
somtochukwu12345

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/2832-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2832-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2832-8-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2832-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2832-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Beds Protector Packer 1 IoCs

Detects Beds Protector packer used to load .NET malware.

resource	yara_rule
behavioral1/memory/2076-2-0x0000000000D30000-0x0000000000D9C000-memory.dmp	beds_protector

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f53ea5f974cda8d558509f2151166403_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	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2076 set thread context of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30

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	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2832	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe
2832	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2832	2076	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe	30

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	f53ea5f974cda8d558509f2151166403_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	f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f53ea5f974cda8d558509f2151166403_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2832

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/2076-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2076-1-0x0000000001300000-0x000000000137C000-memory.dmp

Filesize
496KB

Download
memory/2076-2-0x0000000000D30000-0x0000000000D9C000-memory.dmp

Filesize
432KB

Download
memory/2076-3-0x00000000003D0000-0x00000000003E6000-memory.dmp

Filesize
88KB

Download
memory/2076-4-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2076-17-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2832-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2832-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2832-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2832-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2832-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2832-18-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2832-19-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-20-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-21-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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