masslogger | 1dc21d30d3202d5885c58439163601b1cde9a0a094129dd8e39f0ed8b7f10953

General

Target

00158007301057500.exe
Size

1.1MB
MD5

937c2ad1c58ff52c51ee58c7c2cd0c16
SHA1

ee96ef2521dc3adf322d157a14d1354a3f544c3f
SHA256

1dc21d30d3202d5885c58439163601b1cde9a0a094129dd8e39f0ed8b7f10953
SHA512

f035b6792407cba16c4c851e3ab00e7e4d20e1daeeba5dd472c02b09e96f29a02a8e3e108f80fdf738d564944db565c5ebde7a07dc69cb10c4c7b7412da7449f

Score

10^/10

masslogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.turkaykalibrasyon.com
Port:
587
Username:
turkay@turkaykalibrasyon.com
Password:
Cc_8A46

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1568-7-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1568-8-0x0000000000481C1E-mapping.dmp	family_masslogger
behavioral1/memory/1568-9-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1568-10-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

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:

00158007301057500.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\International\Geo\Nation	00158007301057500.exe

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

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

Processes:

00158007301057500.exe

description pid process target process

PID 1668 set thread context of 1568 1668 00158007301057500.exe 00158007301057500.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

00158007301057500.exe

pid process

1568 00158007301057500.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

00158007301057500.exepowershell.exe

pid process

1568 00158007301057500.exe
1568 00158007301057500.exe
1568 00158007301057500.exe
1568 00158007301057500.exe
1164 powershell.exe
1164 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

00158007301057500.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1568 00158007301057500.exe
Token: SeDebugPrivilege 1164 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

00158007301057500.exe

pid process

1568 00158007301057500.exe

flow	ioc
6	api.ipify.org

description	pid	process	target process
PID 1668 set thread context of 1568	1668	00158007301057500.exe	00158007301057500.exe

pid	process
1568	00158007301057500.exe

pid	process
1568	00158007301057500.exe
1568	00158007301057500.exe
1568	00158007301057500.exe
1568	00158007301057500.exe
1164	powershell.exe
1164	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1568	00158007301057500.exe
Token: SeDebugPrivilege	1164	powershell.exe

pid	process
1568	00158007301057500.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

00158007301057500.exe00158007301057500.exe

description	pid	process	target process
PID 1668 wrote to memory of 1568	1668	00158007301057500.exe	00158007301057500.exe
PID 1668 wrote to memory of 1568	1668	00158007301057500.exe	00158007301057500.exe
PID 1668 wrote to memory of 1568	1668	00158007301057500.exe	00158007301057500.exe
PID 1668 wrote to memory of 1568	1668	00158007301057500.exe	00158007301057500.exe
PID 1668 wrote to memory of 1568	1668	00158007301057500.exe	00158007301057500.exe
PID 1668 wrote to memory of 1568	1668	00158007301057500.exe	00158007301057500.exe
PID 1668 wrote to memory of 1568	1668	00158007301057500.exe	00158007301057500.exe
PID 1668 wrote to memory of 1568	1668	00158007301057500.exe	00158007301057500.exe
PID 1668 wrote to memory of 1568	1668	00158007301057500.exe	00158007301057500.exe
PID 1568 wrote to memory of 1164	1568	00158007301057500.exe	powershell.exe
PID 1568 wrote to memory of 1164	1568	00158007301057500.exe	powershell.exe
PID 1568 wrote to memory of 1164	1568	00158007301057500.exe	powershell.exe
PID 1568 wrote to memory of 1164	1568	00158007301057500.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\00158007301057500.exe
"C:\Users\Admin\AppData\Local\Temp\00158007301057500.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1668

C:\Users\Admin\AppData\Local\Temp\00158007301057500.exe
"C:\Users\Admin\AppData\Local\Temp\00158007301057500.exe"
2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1568

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\00158007301057500.exe'
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1164

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1164-29-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/1164-21-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1164-15-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1164-52-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/1164-37-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/1164-30-0x0000000006180000-0x0000000006181000-memory.dmp

Filesize
4KB

Download
memory/1164-24-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/1164-20-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/1164-17-0x0000000001E10000-0x0000000001E11000-memory.dmp

Filesize
4KB

Download
memory/1164-14-0x0000000000000000-mapping.dmp

Download
memory/1164-53-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download
memory/1164-38-0x0000000006110000-0x0000000006111000-memory.dmp

Filesize
4KB

Download
memory/1164-19-0x00000000047A0000-0x00000000047A1000-memory.dmp

Filesize
4KB

Download
memory/1568-18-0x0000000005AB0000-0x0000000005B3D000-memory.dmp

Filesize
564KB

Download
memory/1568-11-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1568-10-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1568-9-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1568-8-0x0000000000481C1E-mapping.dmp

Download
memory/1568-7-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1568-16-0x0000000004E20000-0x0000000004E59000-memory.dmp

Filesize
228KB

Download
memory/1668-3-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/1668-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-6-0x0000000005680000-0x000000000573E000-memory.dmp

Filesize
760KB

Download
memory/1668-5-0x0000000000630000-0x0000000000642000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads