agenttesla | 5e04eb393b196d3a0a0b843efbe426d39a984d18f4bb0e1312478213a7fad457

Analysis

max time kernel
142s
max time network
132s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
27/05/2024, 10:42

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General

Target

Doc052720240032.exe
Size

539KB
MD5

b77d77b17a01fc11fb0dedd6ddcb42d2
SHA1

f9319780b1da575177c0aefb6d0802972d4182b2
SHA256

82c2c29ab4cea8c0b8f9d95764989417f7b2e04ee1d55bd97a5eec7abc302eef
SHA512

7f29c9ea25edbc2f62109ffb42bcf62887dcc2f2515355866edf92007d6a01c2ee054a67d5bb97ce5ff0e4547947ebdcc63ca7e54d24a20ff172e0f795efb473
SSDEEP

6144:i7eSVq22TITpGtLKfuU6FZWYRE+KxN6ECHFflAcT0/eQkuOYmPpNhhygOdtUwj0x:karCpKKfuVb8+0KBKx2YYNhhygoRu6Xs

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://mail.hearing-vision.com
Port:
21
Username:
[email protected]
Password:
LILKOOLL14!

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2744	Doc052720240032.exe

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 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

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
5	ip-api.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2676	Doc052720240032.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2744	Doc052720240032.exe
2676	Doc052720240032.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2676	2744	Doc052720240032.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2676	Doc052720240032.exe
2676	Doc052720240032.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2744	Doc052720240032.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	Doc052720240032.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2676	2744	Doc052720240032.exe	28
PID 2744 wrote to memory of 2676	2744	Doc052720240032.exe	28
PID 2744 wrote to memory of 2676	2744	Doc052720240032.exe	28
PID 2744 wrote to memory of 2676	2744	Doc052720240032.exe	28
PID 2744 wrote to memory of 2676	2744	Doc052720240032.exe	28
PID 2744 wrote to memory of 2676	2744	Doc052720240032.exe	28

C:\Users\Admin\AppData\Local\Temp\Doc052720240032.exe
"C:\Users\Admin\AppData\Local\Temp\Doc052720240032.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\Doc052720240032.exe
  "C:\Users\Admin\AppData\Local\Temp\Doc052720240032.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\rasterside.ini

Filesize
39B

MD5
dc764daea004e907e2a4076dc2e81dce

SHA1
64cc2f14c8426031e8fe9995da24887ff5beec97

SHA256
8a3dd54acac47298afa45e7048a9297f897e35cb351e511fbe5a421b1ed6523d

SHA512
f03e8c65e1974e8bc1608e292a9898054c791b5e8505b8bbd5f9eb832cd414c3fb19f7e328286984cc73a07937d60731dd00f20c3e31db77245a2f178e5bf257

Download Submit
\Users\Admin\AppData\Local\Temp\nst11AE.tmp\System.dll

Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

Download Submit
memory/2676-43-0x0000000077830000-0x00000000779D9000-memory.dmp

Filesize
1.7MB

Download
memory/2676-44-0x0000000000470000-0x00000000014D2000-memory.dmp

Filesize
16.4MB

Download
memory/2676-46-0x0000000000470000-0x00000000004B2000-memory.dmp

Filesize
264KB

Download
memory/2744-41-0x0000000077831000-0x0000000077932000-memory.dmp

Filesize
1.0MB

Download
memory/2744-42-0x0000000077830000-0x00000000779D9000-memory.dmp

Filesize
1.7MB

Download