agenttesla | 1108253a530f8fb6f78c3d84c6dda7268fd1653b9f4c10a7ca718b561b47fc11

General

Target

SÖZLEŞME ŞARTLARI-pdf.exe
Size

728KB
MD5

7c6fc26aeb4b38617f933d561ff352f1
SHA1

ee5182fff159eb0f2501d2ab4bace67059ad8d15
SHA256

1108253a530f8fb6f78c3d84c6dda7268fd1653b9f4c10a7ca718b561b47fc11
SHA512

52ad16de0e8dbdf2daeb9a12b65574b3a1db0e96a3832df86ab3501f360ae240a9df17730b629801e86b93f9c94447a7459027d44e66e657dc3acfe7f0b5ed4d
SSDEEP

12288:Mo9rHTBRCZ2uxdCepymIxPxIP5xmTywmHBjLrAo:MGrHTBE3dnpvgPx0wOrAo

Score

10^/10

agenttesla guloader downloader 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
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 1 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

pid process

4400 SÖZLEŞME ŞARTLARI-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

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\rnnebrs\skifteres.ind SÖZLEŞME ŞARTLARI-pdf.exe
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

pid process

3664 SÖZLEŞME ŞARTLARI-pdf.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exeSÖZLEŞME ŞARTLARI-pdf.exe

pid process

4400 SÖZLEŞME ŞARTLARI-pdf.exe
3664 SÖZLEŞME ŞARTLARI-pdf.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

description pid process target process

PID 4400 set thread context of 3664 4400 SÖZLEŞME ŞARTLARI-pdf.exe SÖZLEŞME ŞARTLARI-pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

pid process

3664 SÖZLEŞME ŞARTLARI-pdf.exe
3664 SÖZLEŞME ŞARTLARI-pdf.exe
3664 SÖZLEŞME ŞARTLARI-pdf.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

pid process

4400 SÖZLEŞME ŞARTLARI-pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

description pid process

Token: SeDebugPrivilege 3664 SÖZLEŞME ŞARTLARI-pdf.exe

pid	process
4400	SÖZLEŞME ŞARTLARI-pdf.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\rnnebrs\skifteres.ind	SÖZLEŞME ŞARTLARI-pdf.exe

pid	process
3664	SÖZLEŞME ŞARTLARI-pdf.exe

pid	process
4400	SÖZLEŞME ŞARTLARI-pdf.exe
3664	SÖZLEŞME ŞARTLARI-pdf.exe

description	pid	process	target process
PID 4400 set thread context of 3664	4400	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe

pid	process
3664	SÖZLEŞME ŞARTLARI-pdf.exe
3664	SÖZLEŞME ŞARTLARI-pdf.exe
3664	SÖZLEŞME ŞARTLARI-pdf.exe

pid	process
4400	SÖZLEŞME ŞARTLARI-pdf.exe

description	pid	process
Token: SeDebugPrivilege	3664	SÖZLEŞME ŞARTLARI-pdf.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

description	pid	process	target process
PID 4400 wrote to memory of 3664	4400	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe
PID 4400 wrote to memory of 3664	4400	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe
PID 4400 wrote to memory of 3664	4400	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe
PID 4400 wrote to memory of 3664	4400	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe
PID 4400 wrote to memory of 3664	4400	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe

C:\Users\Admin\AppData\Local\Temp\SÖZLEŞME ŞARTLARI-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SÖZLEŞME ŞARTLARI-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:4400

C:\Users\Admin\AppData\Local\Temp\SÖZLEŞME ŞARTLARI-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SÖZLEŞME ŞARTLARI-pdf.exe"
2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3664

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsd4150.tmp\System.dll
Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
memory/3664-24-0x0000000035DC0000-0x0000000035E26000-memory.dmp

Filesize
408KB

Download
memory/3664-13-0x0000000077B98000-0x0000000077B99000-memory.dmp

Filesize
4KB

Download
memory/3664-20-0x0000000072330000-0x0000000072AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3664-22-0x0000000035810000-0x0000000035DB4000-memory.dmp

Filesize
5.6MB

Download
memory/3664-21-0x00000000004B0000-0x00000000004F2000-memory.dmp

Filesize
264KB

Download
memory/3664-32-0x00000000357B0000-0x00000000357C0000-memory.dmp

Filesize
64KB

Download
memory/3664-15-0x0000000077BB5000-0x0000000077BB6000-memory.dmp

Filesize
4KB

Download
memory/3664-16-0x00000000004B0000-0x0000000001704000-memory.dmp

Filesize
18.3MB

Download
memory/3664-18-0x0000000077B11000-0x0000000077C31000-memory.dmp

Filesize
1.1MB

Download
memory/3664-31-0x0000000072330000-0x0000000072AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3664-28-0x0000000001710000-0x0000000002E6E000-memory.dmp

Filesize
23.4MB

Download
memory/3664-27-0x0000000036250000-0x000000003625A000-memory.dmp

Filesize
40KB

Download
memory/3664-12-0x0000000001710000-0x0000000002E6E000-memory.dmp

Filesize
23.4MB

Download
memory/3664-23-0x00000000357B0000-0x00000000357C0000-memory.dmp

Filesize
64KB

Download
memory/3664-26-0x0000000036180000-0x0000000036212000-memory.dmp

Filesize
584KB

Download
memory/3664-25-0x0000000036130000-0x0000000036180000-memory.dmp

Filesize
320KB

Download
memory/4400-9-0x0000000004A50000-0x00000000061AE000-memory.dmp

Filesize
23.4MB

Download
memory/4400-10-0x0000000077B11000-0x0000000077C31000-memory.dmp

Filesize
1.1MB

Download
memory/4400-11-0x0000000074970000-0x0000000074977000-memory.dmp

Filesize
28KB

Download
memory/4400-19-0x0000000004A50000-0x00000000061AE000-memory.dmp

Filesize
23.4MB

Download
memory/4400-14-0x0000000004A50000-0x00000000061AE000-memory.dmp

Filesize
23.4MB

Download

Analysis

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