masslogger | 6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c

General

Target

6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe
Size

1.3MB
MD5

b62d3c36576c5280054aa23b0c7b38ed
SHA1

75b68743d35a94acd4aa0e086728ae8dc2b89180
SHA256

6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c
SHA512

403ba3d0fcf79300b42ad87a4db6de64dd601e0a95bdcd2d701451a301c56deeed62d97a85c580bc9b5de46b22670d1da06e9243b2276ef26b5dc945c85e9c68

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

resource	yara_rule
behavioral2/memory/2800-132-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1284 set thread context of 2800	1284	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	82

Drops file in Windows directory 1 IoCs

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

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

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 use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	3476	dw20.exe
Token: SeBackupPrivilege	3476	dw20.exe
Token: SeBackupPrivilege	3476	dw20.exe
Token: SeBackupPrivilege	3476	dw20.exe
Token: SeBackupPrivilege	3476	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 2800	1284	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	82
PID 1284 wrote to memory of 2800	1284	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	82
PID 1284 wrote to memory of 2800	1284	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	82
PID 1284 wrote to memory of 2800	1284	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	82
PID 1284 wrote to memory of 2800	1284	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	82
PID 1284 wrote to memory of 2800	1284	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	82
PID 1284 wrote to memory of 2800	1284	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	82
PID 1284 wrote to memory of 2800	1284	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	82
PID 2800 wrote to memory of 3476	2800	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	83
PID 2800 wrote to memory of 3476	2800	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	83
PID 2800 wrote to memory of 3476	2800	6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe	83

C:\Users\Admin\AppData\Local\Temp\6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe
"C:\Users\Admin\AppData\Local\Temp\6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 764
    3⤵
    - Drops file in Windows directory
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:3476

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\6dd4bcbdc85fa631028292e643bbc335bb2ec29faad3fdaae7dbf1a7db492d4c.exe.log

Filesize
581B

MD5
fb7ca783de5c0f0d7e7c7cdee64542b5

SHA1
25aab766c326e43d03ae94a7409b3512dd17d516

SHA256
47fc53ff728224a600a0e80d49e56a224479589d7ed914c6312fec93dad0c3ef

SHA512
2694aea7a5b4998b03ced645003be53152aaa3b31069f0525263fb8b170753a2677acb5a16e84249a070a4a249c52c5520a0c3dad22eca6862fce32adddd155b

Download Submit
memory/1284-130-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/2800-132-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2800-135-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads