masslogger | 843350d85ff1df2146d6a0f4b80fd182480ed7388a621c9f70a6b66a95004d1b

General

Target

097663899 NEW ORDER.exe
Size

806KB
MD5

7fa6a760ba0703205ba51d9bd39d67b3
SHA1

965538e4662b0b2d628c1f3f72f2ec0b570d2424
SHA256

c744751ad79f737ac78fe9c69afac4c7b8940951b2fe67d20175d27e77721371
SHA512

3d906e71f364e4ebd915634094a49ea4223c27bfb76529be9d49b65044610305022492d6e235952cb480f6a3da0477a98c71a450e8a8511803cc4efdc652c00e

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/3620-134-0x0000000000400000-0x000000000048E000-memory.dmp	family_masslogger

Suspicious use of SetThreadContext 1 IoCs

Processes:

097663899 NEW ORDER.exe

description pid process target process

PID 3096 set thread context of 3620 3096 097663899 NEW ORDER.exe RegSvcs.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 3096 set thread context of 3620	3096	097663899 NEW ORDER.exe	RegSvcs.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

097663899 NEW ORDER.exe

pid process

3096 097663899 NEW ORDER.exe
3096 097663899 NEW ORDER.exe
3096 097663899 NEW ORDER.exe
3096 097663899 NEW ORDER.exe
3096 097663899 NEW ORDER.exe

pid	process
3096	097663899 NEW ORDER.exe
3096	097663899 NEW ORDER.exe
3096	097663899 NEW ORDER.exe
3096	097663899 NEW ORDER.exe
3096	097663899 NEW ORDER.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

097663899 NEW ORDER.exedw20.exe

description	pid	process
Token: SeDebugPrivilege	3096	097663899 NEW ORDER.exe
Token: SeRestorePrivilege	1096	dw20.exe
Token: SeBackupPrivilege	1096	dw20.exe
Token: SeBackupPrivilege	1096	dw20.exe
Token: SeBackupPrivilege	1096	dw20.exe
Token: SeBackupPrivilege	1096	dw20.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

097663899 NEW ORDER.exeRegSvcs.exe

description	pid	process	target process
PID 3096 wrote to memory of 1172	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 1172	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 1172	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3204	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3204	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3204	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3620	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3620	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3620	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3620	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3620	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3620	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3620	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3096 wrote to memory of 3620	3096	097663899 NEW ORDER.exe	RegSvcs.exe
PID 3620 wrote to memory of 1096	3620	RegSvcs.exe	dw20.exe
PID 3620 wrote to memory of 1096	3620	RegSvcs.exe	dw20.exe
PID 3620 wrote to memory of 1096	3620	RegSvcs.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\097663899 NEW ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\097663899 NEW ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  PID:1172
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  PID:3204
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3620
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 756
    3⤵
    - Drops file in Windows directory
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:1096

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1096-135-0x0000000000000000-mapping.dmp

Download
memory/1172-131-0x0000000000000000-mapping.dmp

Download
memory/3096-130-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3204-132-0x0000000000000000-mapping.dmp

Download
memory/3620-133-0x0000000000000000-mapping.dmp

Download
memory/3620-134-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/3620-136-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads