agenttesla | 91ffa79418211f3427e991796199a78ea8d27f23cde420b3585990a197978907

Analysis

max time kernel
146s
max time network
131s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03/06/2024, 07:49

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General

Target

240601_PO No.03.exe
Size

381KB
MD5

1a78687ea731375c8ac2e75231b0da70
SHA1

491fabbe3270c8f28e5af2c64260d71063cc9b0d
SHA256

1ee6d9bece1b3e3dd1c01c6fc0248cbbe431ef637791292d1a6c8c4e871963ba
SHA512

27954930d79d752f67b42cf6a841c3b6379f082ec7a1f99aed451ddcbc72172b437de97a40a1a55b1ad16d421bda2591121b2fe161b5b9381a851aceb3a9bce1
SSDEEP

6144:87etGWJdW2tcM5Tnf2virED1JpAP7uu59po4PJL0L:GzWPfTf2vegbAP7uQ9+yc

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://mail.stpindo.co.id
Port:
21
Username:
[email protected]
Password:
boygirl123456

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
2888	240601_PO No.03.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
2872	240601_PO No.03.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2888	240601_PO No.03.exe
2872	240601_PO No.03.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2888 set thread context of 2872	2888	240601_PO No.03.exe	30

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
2872	240601_PO No.03.exe
2872	240601_PO No.03.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2888	240601_PO No.03.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	240601_PO No.03.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2872	2888	240601_PO No.03.exe	30
PID 2888 wrote to memory of 2872	2888	240601_PO No.03.exe	30
PID 2888 wrote to memory of 2872	2888	240601_PO No.03.exe	30
PID 2888 wrote to memory of 2872	2888	240601_PO No.03.exe	30
PID 2888 wrote to memory of 2872	2888	240601_PO No.03.exe	30
PID 2888 wrote to memory of 2872	2888	240601_PO No.03.exe	30

C:\Users\Admin\AppData\Local\Temp\240601_PO No.03.exe
"C:\Users\Admin\AppData\Local\Temp\240601_PO No.03.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\240601_PO No.03.exe
  "C:\Users\Admin\AppData\Local\Temp\240601_PO No.03.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2872

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

\Users\Admin\AppData\Local\Temp\nstAE98.tmp\System.dll

Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

Download Submit
memory/2872-24-0x0000000077140000-0x00000000772E9000-memory.dmp

Filesize
1.7MB

Download
memory/2872-25-0x0000000000470000-0x00000000014D2000-memory.dmp

Filesize
16.4MB

Download
memory/2872-26-0x0000000000470000-0x00000000004B2000-memory.dmp

Filesize
264KB

Download
memory/2888-23-0x0000000077140000-0x00000000772E9000-memory.dmp

Filesize
1.7MB

Download
memory/2888-22-0x0000000077141000-0x0000000077242000-memory.dmp

Filesize
1.0MB

Download