agenttesla | 975ec4a6250960b45606ce9c155560c3283a3df4ffab69ec81f8cabdbc714b0e

Analysis

max time kernel
135s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 02:36

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General

Target

3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe
Size

500KB
MD5

34f89cd2763bdd24f013b61db2464f2b
SHA1

5ed1562833b1b71e9a260a338fcdcee38adaf67e
SHA256

3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9
SHA512

72afdb1d68e759965627a979791c6705f0db6ac0ca8e901b04e9b8b6b3f1a4a47fe2454c177d53880823b597cbd2955f381912ac9c7d4259d973c0cf2f090151
SSDEEP

12288:c1P4SvDv8qRp8prpcHgcbR1nO/O3tw+i2hh:c1b/HXbRexg

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot5009732133:AAFwMXIJpYDoCsKxNrSeGLfpeTo8-WB2wh8/sendDocument

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral12/memory/2336-12-0x0000000000400000-0x000000000043C000-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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4332 set thread context of 2336	4332	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe	92

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	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2336	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe
2336	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 2336	4332	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe	92
PID 4332 wrote to memory of 2336	4332	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe	92
PID 4332 wrote to memory of 2336	4332	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe	92
PID 4332 wrote to memory of 2336	4332	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe	92
PID 4332 wrote to memory of 2336	4332	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe	92
PID 4332 wrote to memory of 2336	4332	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe	92
PID 4332 wrote to memory of 2336	4332	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe	92
PID 4332 wrote to memory of 2336	4332	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe

C:\Users\Admin\AppData\Local\Temp\3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe
"C:\Users\Admin\AppData\Local\Temp\3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4332
- C:\Users\Admin\AppData\Local\Temp\3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.exe
  "C:\Users\Admin\AppData\Local\Temp\3ec811757abece5eeb8d73fce8770390b5714b16e075c2558de050205cd8c8e9.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:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2336-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2336-23-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2336-22-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2336-21-0x0000000006730000-0x0000000006780000-memory.dmp

Filesize
320KB

Download
memory/2336-20-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2336-19-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2336-18-0x0000000006490000-0x00000000064F6000-memory.dmp

Filesize
408KB

Download
memory/2336-17-0x0000000005B30000-0x0000000005B48000-memory.dmp

Filesize
96KB

Download
memory/2336-16-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2336-14-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4332-10-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4332-11-0x0000000008A30000-0x0000000008AA0000-memory.dmp

Filesize
448KB

Download
memory/4332-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/4332-9-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/4332-8-0x00000000088A0000-0x00000000088EC000-memory.dmp

Filesize
304KB

Download
memory/4332-15-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4332-7-0x0000000005990000-0x000000000599E000-memory.dmp

Filesize
56KB

Download
memory/4332-6-0x00000000059A0000-0x0000000005A3C000-memory.dmp

Filesize
624KB

Download
memory/4332-5-0x0000000005680000-0x000000000568A000-memory.dmp

Filesize
40KB

Download
memory/4332-4-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4332-3-0x00000000056D0000-0x0000000005762000-memory.dmp

Filesize
584KB

Download
memory/4332-2-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/4332-1-0x0000000000C00000-0x0000000000C84000-memory.dmp

Filesize
528KB

Download