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

2200 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

2524 SÖZLEŞME ŞARTLARI-pdf.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exeSÖZLEŞME ŞARTLARI-pdf.exe

pid process

2200 SÖZLEŞME ŞARTLARI-pdf.exe
2524 SÖZLEŞME ŞARTLARI-pdf.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

description pid process target process

PID 2200 set thread context of 2524 2200 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 2 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

pid process

2524 SÖZLEŞME ŞARTLARI-pdf.exe
2524 SÖZLEŞME ŞARTLARI-pdf.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

pid process

2200 SÖZLEŞME ŞARTLARI-pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

description pid process

Token: SeDebugPrivilege 2524 SÖZLEŞME ŞARTLARI-pdf.exe

pid	process
2200	SÖZLEŞME ŞARTLARI-pdf.exe

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

pid	process
2524	SÖZLEŞME ŞARTLARI-pdf.exe

pid	process
2200	SÖZLEŞME ŞARTLARI-pdf.exe
2524	SÖZLEŞME ŞARTLARI-pdf.exe

description	pid	process	target process
PID 2200 set thread context of 2524	2200	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe

pid	process
2524	SÖZLEŞME ŞARTLARI-pdf.exe
2524	SÖZLEŞME ŞARTLARI-pdf.exe

pid	process
2200	SÖZLEŞME ŞARTLARI-pdf.exe

description	pid	process
Token: SeDebugPrivilege	2524	SÖZLEŞME ŞARTLARI-pdf.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

SÖZLEŞME ŞARTLARI-pdf.exe

description	pid	process	target process
PID 2200 wrote to memory of 2524	2200	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe
PID 2200 wrote to memory of 2524	2200	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe
PID 2200 wrote to memory of 2524	2200	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe
PID 2200 wrote to memory of 2524	2200	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe
PID 2200 wrote to memory of 2524	2200	SÖZLEŞME ŞARTLARI-pdf.exe	SÖZLEŞME ŞARTLARI-pdf.exe
PID 2200 wrote to memory of 2524	2200	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:2200

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:2524

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

\Users\Admin\AppData\Local\Temp\nsd8788.tmp\System.dll
Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
memory/2200-21-0x0000000003970000-0x00000000050CE000-memory.dmp

Filesize
23.4MB

Download
memory/2200-12-0x0000000077060000-0x0000000077136000-memory.dmp

Filesize
856KB

Download
memory/2200-10-0x0000000003970000-0x00000000050CE000-memory.dmp

Filesize
23.4MB

Download
memory/2200-13-0x0000000074390000-0x0000000074397000-memory.dmp

Filesize
28KB

Download
memory/2200-11-0x0000000076E70000-0x0000000077019000-memory.dmp

Filesize
1.7MB

Download
memory/2200-15-0x0000000003970000-0x00000000050CE000-memory.dmp

Filesize
23.4MB

Download
memory/2524-16-0x0000000076E70000-0x0000000077019000-memory.dmp

Filesize
1.7MB

Download
memory/2524-17-0x0000000077096000-0x0000000077097000-memory.dmp

Filesize
4KB

Download
memory/2524-30-0x00000000354E0000-0x0000000035520000-memory.dmp

Filesize
256KB

Download
memory/2524-14-0x0000000001520000-0x0000000002C7E000-memory.dmp

Filesize
23.4MB

Download
memory/2524-20-0x0000000077060000-0x0000000077136000-memory.dmp

Filesize
856KB

Download
memory/2524-19-0x00000000004B0000-0x0000000001512000-memory.dmp

Filesize
16.4MB

Download
memory/2524-22-0x00000000004B0000-0x00000000004F2000-memory.dmp

Filesize
264KB

Download
memory/2524-23-0x00000000738A0000-0x0000000073F8E000-memory.dmp

Filesize
6.9MB

Download
memory/2524-24-0x00000000354E0000-0x0000000035520000-memory.dmp

Filesize
256KB

Download
memory/2524-26-0x0000000001520000-0x0000000002C7E000-memory.dmp

Filesize
23.4MB

Download
memory/2524-28-0x00000000738A0000-0x0000000073F8E000-memory.dmp

Filesize
6.9MB

Download
memory/2524-18-0x00000000004B0000-0x0000000001512000-memory.dmp

Filesize
16.4MB

Download

Analysis

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