agenttesla | 6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f

General

Target

Ziraat Bankasi Swift Mesaji.exe
Size

1.5MB
MD5

76db2712f6619db04c1444b474229b5f
SHA1

dc3f71636f1b58e65ac93b0dc140a44a304f4433
SHA256

6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f
SHA512

ed2d6c8ffe19e63b3e393c07882feead2698f5282108ec69ed7a6be550a4bd0a0e9d603cb120b3aa788e3e4660515e5c5cc2d0c1eed2ece836a3fbeabb0a80f9

Score

10^/10

agenttesla masslogger keylogger ransomware spyware stealer trojan

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\7C372DB998\Log.txt

Family

masslogger

Ransom Note

<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 10 Enterprise 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Persocon Processor 2.5+ GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 1/17/2021 6:13:47 PM MassLogger Started: 1/17/2021 6:13:42 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\Desktop\MassLoggerBinnemewise.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> Disabled

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.debi.com.tr
Port:
587
Username:
info@debi.com.tr
Password:
357.Debi

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\Desktop\MassLoggerBinnemewise.exe	family_masslogger
C:\Users\Admin\Desktop\MassLoggerBinnemewise.exe	family_masslogger

MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

yara_rule
masslogger_log_file

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/500-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/500-25-0x00000000004374DE-mapping.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

MassLoggerBinnemewise.exeInstallUtil.exe

pid process

944 MassLoggerBinnemewise.exe
500 InstallUtil.exe

pid	process
944	MassLoggerBinnemewise.exe
500	InstallUtil.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MassLoggerBinnemewise.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\International\Geo\Nation	MassLoggerBinnemewise.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

13 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exe

description pid process target process

PID 508 set thread context of 500 508 Ziraat Bankasi Swift Mesaji.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exeInstallUtil.exeMassLoggerBinnemewise.exe

pid process

508 Ziraat Bankasi Swift Mesaji.exe
508 Ziraat Bankasi Swift Mesaji.exe
500 InstallUtil.exe
500 InstallUtil.exe
944 MassLoggerBinnemewise.exe

flow	ioc
13	api.ipify.org

description	pid	process	target process
PID 508 set thread context of 500	508	Ziraat Bankasi Swift Mesaji.exe	InstallUtil.exe

pid	process
508	Ziraat Bankasi Swift Mesaji.exe
508	Ziraat Bankasi Swift Mesaji.exe
500	InstallUtil.exe
500	InstallUtil.exe
944	MassLoggerBinnemewise.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exeInstallUtil.exeMassLoggerBinnemewise.exe

description	pid	process
Token: SeDebugPrivilege	508	Ziraat Bankasi Swift Mesaji.exe
Token: SeDebugPrivilege	500	InstallUtil.exe
Token: SeDebugPrivilege	944	MassLoggerBinnemewise.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

500 InstallUtil.exe

pid	process
500	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exe

description	pid	process	target process
PID 508 wrote to memory of 944	508	Ziraat Bankasi Swift Mesaji.exe	MassLoggerBinnemewise.exe
PID 508 wrote to memory of 944	508	Ziraat Bankasi Swift Mesaji.exe	MassLoggerBinnemewise.exe
PID 508 wrote to memory of 944	508	Ziraat Bankasi Swift Mesaji.exe	MassLoggerBinnemewise.exe
PID 508 wrote to memory of 500	508	Ziraat Bankasi Swift Mesaji.exe	InstallUtil.exe
PID 508 wrote to memory of 500	508	Ziraat Bankasi Swift Mesaji.exe	InstallUtil.exe
PID 508 wrote to memory of 500	508	Ziraat Bankasi Swift Mesaji.exe	InstallUtil.exe
PID 508 wrote to memory of 500	508	Ziraat Bankasi Swift Mesaji.exe	InstallUtil.exe
PID 508 wrote to memory of 500	508	Ziraat Bankasi Swift Mesaji.exe	InstallUtil.exe
PID 508 wrote to memory of 500	508	Ziraat Bankasi Swift Mesaji.exe	InstallUtil.exe
PID 508 wrote to memory of 500	508	Ziraat Bankasi Swift Mesaji.exe	InstallUtil.exe
PID 508 wrote to memory of 500	508	Ziraat Bankasi Swift Mesaji.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:508

C:\Users\Admin\Desktop\MassLoggerBinnemewise.exe
"C:\Users\Admin\Desktop\MassLoggerBinnemewise.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:944

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:500

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\Desktop\MassLoggerBinnemewise.exe
MD5
533fd831932aebe1ad47fe7568970ef3

SHA1
3fbf9b245126604cadaa3dc9a68f3c71534f09c2

SHA256
3d2e64397cf43b5c4e460fd73558f55aceafc1f00cf84b60e3f1cac987a8006f

SHA512
289be0adaaa82f0c450825c89084d6ce69ec58990a56b64ee38c6909951de4208ea1e8c77f75c68799cd826b0afe5c7f88b4f5204b56457961ccb66de93ceef1

Download Submit
C:\Users\Admin\Desktop\MassLoggerBinnemewise.exe
MD5
533fd831932aebe1ad47fe7568970ef3

SHA1
3fbf9b245126604cadaa3dc9a68f3c71534f09c2

SHA256
3d2e64397cf43b5c4e460fd73558f55aceafc1f00cf84b60e3f1cac987a8006f

SHA512
289be0adaaa82f0c450825c89084d6ce69ec58990a56b64ee38c6909951de4208ea1e8c77f75c68799cd826b0afe5c7f88b4f5204b56457961ccb66de93ceef1

Download Submit
memory/500-35-0x00000000058A0000-0x00000000058A1000-memory.dmp

Filesize
4KB

Download
memory/500-33-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/500-28-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/500-25-0x00000000004374DE-mapping.dmp

Download
memory/500-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/508-10-0x0000000005741000-0x0000000005742000-memory.dmp

Filesize
4KB

Download
memory/508-3-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/508-5-0x0000000005770000-0x0000000005771000-memory.dmp

Filesize
4KB

Download
memory/508-14-0x00000000095D0000-0x00000000095DB000-memory.dmp

Filesize
44KB

Download
memory/508-6-0x0000000005740000-0x0000000005741000-memory.dmp

Filesize
4KB

Download
memory/508-16-0x000000000CA80000-0x000000000CA81000-memory.dmp

Filesize
4KB

Download
memory/508-7-0x00000000056A0000-0x00000000056BE000-memory.dmp

Filesize
120KB

Download
memory/508-8-0x0000000005750000-0x0000000005751000-memory.dmp

Filesize
4KB

Download
memory/508-9-0x00000000080F0000-0x00000000080F1000-memory.dmp

Filesize
4KB

Download
memory/508-2-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/944-23-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/944-22-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/944-21-0x0000000004CF0000-0x0000000004D2E000-memory.dmp

Filesize
248KB

Download
memory/944-19-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/944-17-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/944-15-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/944-11-0x0000000000000000-mapping.dmp

Download
memory/944-37-0x0000000004D53000-0x0000000004D55000-memory.dmp

Filesize
8KB

Download
memory/944-38-0x0000000006890000-0x0000000006891000-memory.dmp

Filesize
4KB

Download
memory/944-39-0x00000000068A0000-0x00000000068A1000-memory.dmp

Filesize
4KB

Download
memory/944-40-0x0000000006560000-0x000000000656F000-memory.dmp

Filesize
60KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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