agenttesla | 89e85fa592b8da5c4b6538ff706e875b7a8bb5d48ab74dbd0a0fbd953eb954b0

General

Target

ZAMOWIEN.EXE.exe
Size

1.4MB
MD5

bb8ebb7e2951662ced5e2f65684155b5
SHA1

4da55f17a8425484b999e3eceac42fd4882aea59
SHA256

89e85fa592b8da5c4b6538ff706e875b7a8bb5d48ab74dbd0a0fbd953eb954b0
SHA512

189981b9e9ef1232abf5990c880338eed2ced9589eec5fae3d3d534b1dedbf49dc086937607e85204d1dd71d48984608cf0e231e88a227d46fb9917498161679
SSDEEP

24576:EuMVWyZ20itWf6QKP28rNaoA3loPwtJhUADiiB2Lln/bsOgAdjv0LZi:EuMQm2fCbEA3GPsPUGIngABvK

Score

10^/10

agenttesla guloader discovery downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.rusticpensiune.ro
Port:
21
Username:
[email protected]
Password:
99AM}+NZ&CCq!4Vq)9!(zXx01.lQ!~nS.fBnY,4Z~fjHnGo*B3Gd;B{Q1!%-Xw--%vn^0%nt

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 1 IoCs

pid	Process
1316	ZAMOWIEN.EXE.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 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

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2388	ZAMOWIEN.EXE.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1316	ZAMOWIEN.EXE.exe
2388	ZAMOWIEN.EXE.exe

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 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	ZAMOWIEN.EXE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZAMOWIEN.EXE.exe

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	ZAMOWIEN.EXE.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	ZAMOWIEN.EXE.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2388	ZAMOWIEN.EXE.exe
2388	ZAMOWIEN.EXE.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1316	ZAMOWIEN.EXE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2388	ZAMOWIEN.EXE.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 2388	1316	ZAMOWIEN.EXE.exe	30
PID 1316 wrote to memory of 2388	1316	ZAMOWIEN.EXE.exe	30
PID 1316 wrote to memory of 2388	1316	ZAMOWIEN.EXE.exe	30
PID 1316 wrote to memory of 2388	1316	ZAMOWIEN.EXE.exe	30
PID 1316 wrote to memory of 2388	1316	ZAMOWIEN.EXE.exe	30

C:\Users\Admin\AppData\Local\Temp\ZAMOWIEN.EXE.exe
"C:\Users\Admin\AppData\Local\Temp\ZAMOWIEN.EXE.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Users\Admin\AppData\Local\Temp\ZAMOWIEN.EXE.exe
  "C:\Users\Admin\AppData\Local\Temp\ZAMOWIEN.EXE.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsoA7C6.tmp\System.dll

Filesize
12KB

MD5
12b140583e3273ee1f65016becea58c4

SHA1
92df24d11797fefd2e1f8d29be9dfd67c56c1ada

SHA256
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042

SHA512
49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

Download Submit
memory/1316-24-0x0000000076CF1000-0x0000000076DF2000-memory.dmp

Filesize
1.0MB

Download
memory/1316-25-0x0000000076CF0000-0x0000000076E99000-memory.dmp

Filesize
1.7MB

Download
memory/2388-26-0x00000000014C0000-0x0000000005B9D000-memory.dmp

Filesize
70.9MB

Download
memory/2388-27-0x0000000076CF0000-0x0000000076E99000-memory.dmp

Filesize
1.7MB

Download
memory/2388-28-0x0000000000450000-0x00000000014B2000-memory.dmp

Filesize
16.4MB

Download
memory/2388-39-0x0000000000450000-0x00000000014B2000-memory.dmp

Filesize
16.4MB

Download
memory/2388-41-0x0000000000450000-0x0000000000492000-memory.dmp

Filesize
264KB

Download
memory/2388-40-0x00000000014C0000-0x0000000005B9D000-memory.dmp

Filesize
70.9MB

Download

Analysis

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