agenttesla | 72b85818d7c9eeccc50f4e3ff2eaa911fd755ad73668178a54467c791deddf8d

General

Target

factura 7823378.exe
Size

1.3MB
MD5

7741e296fc7876e2cf35e44ba4264f47
SHA1

265bb706ee04a4d3b6f23c87873bc7d5202c0de9
SHA256

938a507f1786d7badcc95dca38a1d9bdb78984b051a68a7fd70a1b872b36a2b2
SHA512

1caa387ded8ec1431cceba2def2abfdf53883fdb2c300d8a64de726f35e0a28f0036c29f0f2d894fcdcff6f6bcb6f827124ca6ca7419fa24d212d84ec5d21ffc
SSDEEP

24576:99Q0lIVTRJRqhx+pF/GMvtfc+DBy/U77VaaG8uosbrDqa1VHWTcSdmWDxbLn/ohK:LQ0lsRzeMp8MtftD4M77YoOrDX1l2xb3

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.biotem.com.tr
Port:
587
Username:
[email protected]
Password:
alesta.,alesta.,
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Loads dropped DLL 1 IoCs

Processes:

factura 7823378.exe

pid process

3364 factura 7823378.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
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

33 drive.google.com
34 drive.google.com
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

50 ip-api.com
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

factura 7823378.exe

pid process

1908 factura 7823378.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

factura 7823378.exefactura 7823378.exe

pid process

3364 factura 7823378.exe
1908 factura 7823378.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

factura 7823378.exe

description pid process target process

PID 3364 set thread context of 1908 3364 factura 7823378.exe factura 7823378.exe
Drops file in Program Files directory 1 IoCs

Processes:

factura 7823378.exe

description ioc process

File opened for modification C:\Program Files (x86)\konvoluterer\Forsikringsinspektrer.ini factura 7823378.exe
Drops file in Windows directory 1 IoCs

Processes:

factura 7823378.exe

description ioc process

File opened for modification C:\Windows\mycelian\sempitern.ini factura 7823378.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

factura 7823378.exe

pid process

1908 factura 7823378.exe
1908 factura 7823378.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

factura 7823378.exe

pid process

3364 factura 7823378.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

factura 7823378.exe

description pid process

Token: SeDebugPrivilege 1908 factura 7823378.exe

pid	process
3364	factura 7823378.exe

flow	ioc
33	drive.google.com
34	drive.google.com

flow	ioc
50	ip-api.com

pid	process
1908	factura 7823378.exe

pid	process
3364	factura 7823378.exe
1908	factura 7823378.exe

description	pid	process	target process
PID 3364 set thread context of 1908	3364	factura 7823378.exe	factura 7823378.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\konvoluterer\Forsikringsinspektrer.ini	factura 7823378.exe

description	ioc	process
File opened for modification	C:\Windows\mycelian\sempitern.ini	factura 7823378.exe

pid	process
1908	factura 7823378.exe
1908	factura 7823378.exe

pid	process
3364	factura 7823378.exe

description	pid	process
Token: SeDebugPrivilege	1908	factura 7823378.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

factura 7823378.exe

description	pid	process	target process
PID 3364 wrote to memory of 1908	3364	factura 7823378.exe	factura 7823378.exe
PID 3364 wrote to memory of 1908	3364	factura 7823378.exe	factura 7823378.exe
PID 3364 wrote to memory of 1908	3364	factura 7823378.exe	factura 7823378.exe
PID 3364 wrote to memory of 1908	3364	factura 7823378.exe	factura 7823378.exe
PID 3364 wrote to memory of 1908	3364	factura 7823378.exe	factura 7823378.exe

C:\Users\Admin\AppData\Local\Temp\factura 7823378.exe
"C:\Users\Admin\AppData\Local\Temp\factura 7823378.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Users\Admin\AppData\Local\Temp\factura 7823378.exe
  "C:\Users\Admin\AppData\Local\Temp\factura 7823378.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsu7820.tmp\System.dll

Filesize
11KB

MD5
b8992e497d57001ddf100f9c397fcef5

SHA1
e26ddf101a2ec5027975d2909306457c6f61cfbd

SHA256
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

SHA512
8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

Download Submit
memory/1908-51-0x0000000000480000-0x00000000004C2000-memory.dmp

Filesize
264KB

Download
memory/1908-50-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/1908-34-0x0000000077B08000-0x0000000077B09000-memory.dmp

Filesize
4KB

Download
memory/1908-35-0x0000000077B25000-0x0000000077B26000-memory.dmp

Filesize
4KB

Download
memory/1908-52-0x0000000039CC0000-0x000000003A264000-memory.dmp

Filesize
5.6MB

Download
memory/1908-48-0x0000000000480000-0x00000000016D4000-memory.dmp

Filesize
18.3MB

Download
memory/1908-61-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/1908-60-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/1908-49-0x0000000077A81000-0x0000000077BA1000-memory.dmp

Filesize
1.1MB

Download
memory/1908-53-0x000000003A370000-0x000000003A3D6000-memory.dmp

Filesize
408KB

Download
memory/1908-54-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/1908-55-0x000000003AB70000-0x000000003ABC0000-memory.dmp

Filesize
320KB

Download
memory/1908-56-0x000000003ABD0000-0x000000003AC62000-memory.dmp

Filesize
584KB

Download
memory/1908-57-0x000000003AC90000-0x000000003AC9A000-memory.dmp

Filesize
40KB

Download
memory/3364-32-0x0000000077A81000-0x0000000077BA1000-memory.dmp

Filesize
1.1MB

Download
memory/3364-33-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download

Analysis

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