agenttesla | d6dd9d8c6637a8c11d8496e3b6a4bf6521309a6b60de128935628f19b4d3b800

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2024, 07:12

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General

Target

Lepingutingimused-pdf.exe
Size

746KB
MD5

f4f4355dd46baa91738cde7427c3cfa5
SHA1

d367092f54246a4f4570fe99fc2d5c4340d080ed
SHA256

d6dd9d8c6637a8c11d8496e3b6a4bf6521309a6b60de128935628f19b4d3b800
SHA512

022c185a2ad814e433227e42e24a5f73111b56f36fb6d5fc9c10222fdc9634517237b6242573a98c11a8959cd3fe023f421398a95fad50da89b61dde541b80ca
SSDEEP

6144:E5lz/i8Ta5RSWfGLOcbPKcZNamNL80DINrsA8B1lbmTyGyQmHEdGxgg5ic9rAS:Mo95RSoGLOcbicmxLebmTywmHBjLrAS

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fredy.ee
Port:
21
Username:
[email protected]
Password:
playingboyz231

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
1352	Lepingutingimused-pdf.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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rnnebrs\skifteres.ind	Lepingutingimused-pdf.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3604	Lepingutingimused-pdf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1352	Lepingutingimused-pdf.exe
3604	Lepingutingimused-pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1352 set thread context of 3604	1352	Lepingutingimused-pdf.exe	96

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
3604	Lepingutingimused-pdf.exe
3604	Lepingutingimused-pdf.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1352	Lepingutingimused-pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3604	Lepingutingimused-pdf.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 3604	1352	Lepingutingimused-pdf.exe	96
PID 1352 wrote to memory of 3604	1352	Lepingutingimused-pdf.exe	96
PID 1352 wrote to memory of 3604	1352	Lepingutingimused-pdf.exe	96
PID 1352 wrote to memory of 3604	1352	Lepingutingimused-pdf.exe	96
PID 1352 wrote to memory of 3604	1352	Lepingutingimused-pdf.exe	96

C:\Users\Admin\AppData\Local\Temp\Lepingutingimused-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Lepingutingimused-pdf.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Users\Admin\AppData\Local\Temp\Lepingutingimused-pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Lepingutingimused-pdf.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3604

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsy4353.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
memory/1352-9-0x0000000077071000-0x0000000077191000-memory.dmp

Filesize
1.1MB

Download
memory/1352-10-0x0000000073ED0000-0x0000000073ED7000-memory.dmp

Filesize
28KB

Download
memory/3604-11-0x00000000770F8000-0x00000000770F9000-memory.dmp

Filesize
4KB

Download
memory/3604-12-0x0000000077115000-0x0000000077116000-memory.dmp

Filesize
4KB

Download
memory/3604-13-0x00000000004B0000-0x0000000001704000-memory.dmp

Filesize
18.3MB

Download
memory/3604-14-0x0000000077071000-0x0000000077191000-memory.dmp

Filesize
1.1MB

Download
memory/3604-15-0x00000000004B0000-0x00000000004F2000-memory.dmp

Filesize
264KB

Download
memory/3604-16-0x0000000071890000-0x0000000072040000-memory.dmp

Filesize
7.7MB

Download
memory/3604-17-0x0000000039650000-0x0000000039BF4000-memory.dmp

Filesize
5.6MB

Download
memory/3604-18-0x00000000371D0000-0x0000000037236000-memory.dmp

Filesize
408KB

Download
memory/3604-19-0x0000000039640000-0x0000000039650000-memory.dmp

Filesize
64KB

Download
memory/3604-20-0x00000000395D0000-0x0000000039620000-memory.dmp

Filesize
320KB

Download
memory/3604-21-0x0000000039F00000-0x0000000039F92000-memory.dmp

Filesize
584KB

Download
memory/3604-22-0x0000000039FD0000-0x0000000039FDA000-memory.dmp

Filesize
40KB

Download
memory/3604-25-0x0000000071890000-0x0000000072040000-memory.dmp

Filesize
7.7MB

Download
memory/3604-26-0x0000000039640000-0x0000000039650000-memory.dmp

Filesize
64KB

Download