agenttesla | 48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0

General

Target

48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe
Size

1.4MB
MD5

e349bec2074d635ce424d5a4867141f2
SHA1

a9dadcfd0ad426a30e1181889e27430d38eb8e62
SHA256

48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0
SHA512

1cf49cc8799cefb27b1b1b69716c984dd3079b756af6c504c24438491075a730a28851db2459351a3b90be928e121e836515dd83a83fcd99917d512f24d33eac
SSDEEP

24576:mOhpo1j3wOknGgLcyFA1/trv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:phpoVAOknGnyFA1t9jLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.kinqshuk-bd.com
Port:
587
Username:
[email protected]
Password:
HBqq%k(5

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/3988-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
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-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1004 set thread context of 3988	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe	89

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	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe
3988	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe
3988	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe
Token: SeDebugPrivilege	3988	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 3988	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe	89
PID 1004 wrote to memory of 3988	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe	89
PID 1004 wrote to memory of 3988	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe	89
PID 1004 wrote to memory of 3988	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe	89
PID 1004 wrote to memory of 3988	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe	89
PID 1004 wrote to memory of 3988	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe	89
PID 1004 wrote to memory of 3988	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe	89
PID 1004 wrote to memory of 3988	1004	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe

C:\Users\Admin\AppData\Local\Temp\48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe
"C:\Users\Admin\AppData\Local\Temp\48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Local\Temp\48932bf191efeba3a99ecea2b75b266ebcac6e88546dd422faa4a942637662f0.exe
  "{path}"
  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:3988

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

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

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/1004-12-0x000000000A420000-0x000000000A45C000-memory.dmp

Filesize
240KB

Download
memory/1004-6-0x0000000005A80000-0x0000000005AD6000-memory.dmp

Filesize
344KB

Download
memory/1004-2-0x00000000056D0000-0x000000000576C000-memory.dmp

Filesize
624KB

Download
memory/1004-3-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/1004-4-0x0000000005810000-0x00000000058A2000-memory.dmp

Filesize
584KB

Download
memory/1004-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

Filesize
40KB

Download
memory/1004-11-0x00000000083A0000-0x0000000008424000-memory.dmp

Filesize
528KB

Download
memory/1004-7-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/1004-8-0x00000000030D0000-0x00000000030E4000-memory.dmp

Filesize
80KB

Download
memory/1004-9-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/1004-1-0x0000000000BE0000-0x0000000000D46000-memory.dmp

Filesize
1.4MB

Download
memory/1004-10-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/1004-17-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/1004-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/3988-14-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/3988-16-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/3988-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3988-18-0x00000000058B0000-0x00000000058C8000-memory.dmp

Filesize
96KB

Download
memory/3988-19-0x00000000064E0000-0x0000000006546000-memory.dmp

Filesize
408KB

Download
memory/3988-20-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/3988-21-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/3988-22-0x0000000006AA0000-0x0000000006AF0000-memory.dmp

Filesize
320KB

Download
memory/3988-23-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/3988-24-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download

Analysis

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