agenttesla | 007ceac4f116f7010b239ed068ef5453461750d6be5146a46f50b561dd627e87

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 01:00

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General

Target

Ref_50102_607.7z.exe
Size

639KB
MD5

945fbe2f3b89dccd586062c07a532d55
SHA1

b3c31488bc86630267881bb0675a4c8baac65bf6
SHA256

245ee760d71dc45da0f6df037798b8b5beaa01850483a35cc340a916cce946af
SHA512

10bed2ba141cd01359d95e92fde52dc91d9fb8b5e1108d6faac6cacfbc181788cbda4fad7b7eac25c13812f41e433b237c1216387d687c35465c0b7cba858e5a
SSDEEP

12288:58a9pdkUE0oNHfEGIU+u5siT90lyjTo+AUFyD0/5X9zGbnBk7wakR:58andkt3NMG9l5sk90ITYY/Otqw5

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2628	powershell.exe
2588	powershell.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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 1100	2732	Ref_50102_607.7z.exe	38

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 5 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	Ref_50102_607.7z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ref_50102_607.7z.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

pid	Process
2608	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
2732	Ref_50102_607.7z.exe
1100	Ref_50102_607.7z.exe
1100	Ref_50102_607.7z.exe
2588	powershell.exe
2628	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	1100	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	2588	powershell.exe
Token: SeDebugPrivilege	2628	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2628	2732	Ref_50102_607.7z.exe	30
PID 2732 wrote to memory of 2628	2732	Ref_50102_607.7z.exe	30
PID 2732 wrote to memory of 2628	2732	Ref_50102_607.7z.exe	30
PID 2732 wrote to memory of 2628	2732	Ref_50102_607.7z.exe	30
PID 2732 wrote to memory of 2588	2732	Ref_50102_607.7z.exe	32
PID 2732 wrote to memory of 2588	2732	Ref_50102_607.7z.exe	32
PID 2732 wrote to memory of 2588	2732	Ref_50102_607.7z.exe	32
PID 2732 wrote to memory of 2588	2732	Ref_50102_607.7z.exe	32
PID 2732 wrote to memory of 2608	2732	Ref_50102_607.7z.exe	34
PID 2732 wrote to memory of 2608	2732	Ref_50102_607.7z.exe	34
PID 2732 wrote to memory of 2608	2732	Ref_50102_607.7z.exe	34
PID 2732 wrote to memory of 2608	2732	Ref_50102_607.7z.exe	34
PID 2732 wrote to memory of 632	2732	Ref_50102_607.7z.exe	36
PID 2732 wrote to memory of 632	2732	Ref_50102_607.7z.exe	36
PID 2732 wrote to memory of 632	2732	Ref_50102_607.7z.exe	36
PID 2732 wrote to memory of 632	2732	Ref_50102_607.7z.exe	36
PID 2732 wrote to memory of 580	2732	Ref_50102_607.7z.exe	37
PID 2732 wrote to memory of 580	2732	Ref_50102_607.7z.exe	37
PID 2732 wrote to memory of 580	2732	Ref_50102_607.7z.exe	37
PID 2732 wrote to memory of 580	2732	Ref_50102_607.7z.exe	37
PID 2732 wrote to memory of 1100	2732	Ref_50102_607.7z.exe	38
PID 2732 wrote to memory of 1100	2732	Ref_50102_607.7z.exe	38
PID 2732 wrote to memory of 1100	2732	Ref_50102_607.7z.exe	38
PID 2732 wrote to memory of 1100	2732	Ref_50102_607.7z.exe	38
PID 2732 wrote to memory of 1100	2732	Ref_50102_607.7z.exe	38
PID 2732 wrote to memory of 1100	2732	Ref_50102_607.7z.exe	38
PID 2732 wrote to memory of 1100	2732	Ref_50102_607.7z.exe	38
PID 2732 wrote to memory of 1100	2732	Ref_50102_607.7z.exe	38
PID 2732 wrote to memory of 1100	2732	Ref_50102_607.7z.exe	38

C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
"C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2628
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XtBOrehPamR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2588
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XtBOrehPamR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCBD7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2608
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  PID:632
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  PID:580
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCBD7.tmp

Filesize
1KB

MD5
c9eb2a778538bdb45ac2ddffb8469aca

SHA1
7b1e1946e4cc3e08b3dc3839e41da301a156cc5e

SHA256
9288d69083e6559fd6b8fe1cd75a55261f2716f07e19783e5422262f2cd0dc85

SHA512
765f19d18a71a9afbbbd01fbf0723fc11bb98c6f13e3d5a67acbd45ac3e48fb3ea9b11bbb0e86def71f8d1fb66be88d14a8c185f0913768b2fdb5f18057962c8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
17756b60fd0e0d8cc719231b7cc0a994

SHA1
55067a610fc6fcac701a8c712cd0540181c281ac

SHA256
1afefec2c2f8c894f3742d0176802877ce39e6e1bbfd67f48d80871e1ee4584c

SHA512
40703605930e1694445a746e9bf9d2ec1d8969438499ae2bb7048353015cbee4ab17bbd49a34ae457a12f1747d843bb25f05178a7983d3f1e3d1ffa7e3f7c1cd

Download Submit
memory/1100-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1100-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1100-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1100-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1100-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1100-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1100-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1100-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2732-1-0x00000000001D0000-0x0000000000272000-memory.dmp

Filesize
648KB

Download
memory/2732-2-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/2732-7-0x0000000005220000-0x00000000052A4000-memory.dmp

Filesize
528KB

Download
memory/2732-6-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-3-0x0000000000740000-0x00000000007DA000-memory.dmp

Filesize
616KB

Download
memory/2732-5-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/2732-4-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2732-33-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download