masslogger | 563c39350c4156354c98d94606e264583ab03712afa53f579859a6b5c45c7230

General

Target

Order 3278526429.exe
Size

838KB
MD5

01ff671b42bdd3445280155368508a36
SHA1

3ea0d6fed3ca6b576561c451bc412e9b7a7edeef
SHA256

e0cb934757cefba44fd4713fc5b5526eb461c0a55c27cb9fd31fca7690e62bc6
SHA512

d9806017b2020e2edda538a7165c2ca330201810dc06e4a432fbf6320355f5ff01693d7ceb620cced3ca8e8e723532b6b9f140f46288017d50e653b16ab5aa78

Score

10^/10

masslogger spyware stealer

Malware Config

Signatures

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

MassLogger Main Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1712-132-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger

Suspicious use of SetThreadContext 1 IoCs

Processes:

Order 3278526429.exe

description pid process target process

PID 4788 set thread context of 1712 4788 Order 3278526429.exe Order 3278526429.exe
Drops file in Windows directory 1 IoCs

Processes:

dw20.exe

description ioc process

File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe

description	pid	process	target process
PID 4788 set thread context of 1712	4788	Order 3278526429.exe	Order 3278526429.exe

description	ioc	process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

dw20.exe

description	pid	process
Token: SeRestorePrivilege	2368	dw20.exe
Token: SeBackupPrivilege	2368	dw20.exe
Token: SeBackupPrivilege	2368	dw20.exe
Token: SeBackupPrivilege	2368	dw20.exe
Token: SeBackupPrivilege	2368	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Order 3278526429.exeOrder 3278526429.exe

description	pid	process	target process
PID 4788 wrote to memory of 1712	4788	Order 3278526429.exe	Order 3278526429.exe
PID 4788 wrote to memory of 1712	4788	Order 3278526429.exe	Order 3278526429.exe
PID 4788 wrote to memory of 1712	4788	Order 3278526429.exe	Order 3278526429.exe
PID 4788 wrote to memory of 1712	4788	Order 3278526429.exe	Order 3278526429.exe
PID 4788 wrote to memory of 1712	4788	Order 3278526429.exe	Order 3278526429.exe
PID 4788 wrote to memory of 1712	4788	Order 3278526429.exe	Order 3278526429.exe
PID 4788 wrote to memory of 1712	4788	Order 3278526429.exe	Order 3278526429.exe
PID 4788 wrote to memory of 1712	4788	Order 3278526429.exe	Order 3278526429.exe
PID 1712 wrote to memory of 2368	1712	Order 3278526429.exe	dw20.exe
PID 1712 wrote to memory of 2368	1712	Order 3278526429.exe	dw20.exe
PID 1712 wrote to memory of 2368	1712	Order 3278526429.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\Order 3278526429.exe
"C:\Users\Admin\AppData\Local\Temp\Order 3278526429.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4788

C:\Users\Admin\AppData\Local\Temp\Order 3278526429.exe
"{path}"
2⤵
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 752
3⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1712-131-0x0000000000000000-mapping.dmp

Download
memory/1712-132-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1712-134-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/2368-133-0x0000000000000000-mapping.dmp

Download
memory/4788-130-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads