masslogger | ca65b4f4e502d041504096fc855bf98d75bf824331442f6df97e2150df9c5821

Analysis

max time kernel
94s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 02:08

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General

Target

shipment document pdf.exe
Size

825KB
MD5

58d90785308067dbb5b317014a3d3b41
SHA1

11ce185684c80f65946c9f36029725fa48b56058
SHA256

96fddf8ed5ba87a03b03c5e0387ab1f3ef44df00ce11d0761a108d6407472c86
SHA512

cf1662deb92f5e6cbd87ba395931eab5c9d12ba2bda0a6ce3564dec5c63307a22bfbdbf689b8b8562d05381e7f9bfa865141bc98a87f99885d3731ab33ff87bd

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 32 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4812-138-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-141-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-143-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-145-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-147-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-149-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-151-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-153-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-155-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-157-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-159-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-161-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-163-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-165-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-167-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-169-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-171-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-173-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-175-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-177-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-179-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-181-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-183-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-185-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-189-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-187-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-191-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-193-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-195-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-197-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-199-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral2/memory/4812-201-0x0000000000400000-0x00000000004A8000-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:

shipment document pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	shipment document pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

shipment document pdf.exe

description pid process target process

PID 1416 set thread context of 4812 1416 shipment document pdf.exe shipment document pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4676 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

shipment document pdf.exepowershell.exe

pid process

1416 shipment document pdf.exe
1416 shipment document pdf.exe
1416 shipment document pdf.exe
964 powershell.exe
964 powershell.exe

description	pid	process	target process
PID 1416 set thread context of 4812	1416	shipment document pdf.exe	shipment document pdf.exe

pid	process
4676	schtasks.exe

pid	process
1416	shipment document pdf.exe
1416	shipment document pdf.exe
1416	shipment document pdf.exe
964	powershell.exe
964	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

shipment document pdf.exeshipment document pdf.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1416	shipment document pdf.exe
Token: SeDebugPrivilege	4812	shipment document pdf.exe
Token: SeDebugPrivilege	964	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

shipment document pdf.exeshipment document pdf.execmd.exe

description	pid	process	target process
PID 1416 wrote to memory of 4676	1416	shipment document pdf.exe	schtasks.exe
PID 1416 wrote to memory of 4676	1416	shipment document pdf.exe	schtasks.exe
PID 1416 wrote to memory of 4676	1416	shipment document pdf.exe	schtasks.exe
PID 1416 wrote to memory of 4812	1416	shipment document pdf.exe	shipment document pdf.exe
PID 1416 wrote to memory of 4812	1416	shipment document pdf.exe	shipment document pdf.exe
PID 1416 wrote to memory of 4812	1416	shipment document pdf.exe	shipment document pdf.exe
PID 1416 wrote to memory of 4812	1416	shipment document pdf.exe	shipment document pdf.exe
PID 1416 wrote to memory of 4812	1416	shipment document pdf.exe	shipment document pdf.exe
PID 1416 wrote to memory of 4812	1416	shipment document pdf.exe	shipment document pdf.exe
PID 1416 wrote to memory of 4812	1416	shipment document pdf.exe	shipment document pdf.exe
PID 1416 wrote to memory of 4812	1416	shipment document pdf.exe	shipment document pdf.exe
PID 4812 wrote to memory of 3272	4812	shipment document pdf.exe	cmd.exe
PID 4812 wrote to memory of 3272	4812	shipment document pdf.exe	cmd.exe
PID 4812 wrote to memory of 3272	4812	shipment document pdf.exe	cmd.exe
PID 3272 wrote to memory of 964	3272	cmd.exe	powershell.exe
PID 3272 wrote to memory of 964	3272	cmd.exe	powershell.exe
PID 3272 wrote to memory of 964	3272	cmd.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\shipment document pdf.exe
"C:\Users\Admin\AppData\Local\Temp\shipment document pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SHxDJYNQYtY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9FB0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4676
- C:\Users\Admin\AppData\Local\Temp\shipment document pdf.exe
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4812
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\shipment document pdf.exe' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3272
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\shipment document pdf.exe'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\shipment document pdf.exe.log

Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9FB0.tmp

Filesize
1KB

MD5
987f3d63aba0c13c1972b4742eff814a

SHA1
4f36f222798cf4d54dacd714e5590a019da240e0

SHA256
42cf2fe1fab7369061553a1b2f65e7f7b5694e3079605b79e4ad1d9acfd284c0

SHA512
4c0cc89a83e1a60d4773474cadd7169aa5dd6b589ce28b6f20d3e6b6a230041551331eebf411c5304c46e7f6cf5674d490f7f2eef96e046720c746a10d5e5fd9

Download Submit
memory/964-656-0x00000000077C0000-0x0000000007856000-memory.dmp

Filesize
600KB

Download
memory/964-648-0x0000000000000000-mapping.dmp

Download
memory/964-649-0x00000000051A0000-0x00000000051D6000-memory.dmp

Filesize
216KB

Download
memory/964-650-0x0000000005980000-0x0000000005FA8000-memory.dmp

Filesize
6.2MB

Download
memory/964-651-0x0000000005880000-0x00000000058A2000-memory.dmp

Filesize
136KB

Download
memory/964-652-0x0000000005FB0000-0x0000000006016000-memory.dmp

Filesize
408KB

Download
memory/964-653-0x00000000054E0000-0x00000000054FE000-memory.dmp

Filesize
120KB

Download
memory/964-654-0x0000000007DA0000-0x000000000841A000-memory.dmp

Filesize
6.5MB

Download
memory/964-655-0x0000000006C20000-0x0000000006C3A000-memory.dmp

Filesize
104KB

Download
memory/964-657-0x0000000006D20000-0x0000000006D42000-memory.dmp

Filesize
136KB

Download
memory/1416-130-0x0000000000B60000-0x0000000000C34000-memory.dmp

Filesize
848KB

Download
memory/1416-134-0x0000000008F40000-0x0000000008FDC000-memory.dmp

Filesize
624KB

Download
memory/1416-133-0x0000000005840000-0x000000000584A000-memory.dmp

Filesize
40KB

Download
memory/1416-132-0x0000000005850000-0x00000000058E2000-memory.dmp

Filesize
584KB

Download
memory/1416-131-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/3272-647-0x0000000000000000-mapping.dmp

Download
memory/4676-135-0x0000000000000000-mapping.dmp

Download
memory/4812-167-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-189-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-157-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-159-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-161-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-163-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-165-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-153-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-169-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-171-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-173-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-175-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-177-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-179-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-181-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-183-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-185-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-155-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-187-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-191-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-193-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-195-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-197-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-151-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-149-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-147-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-145-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-143-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-141-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-138-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-137-0x0000000000000000-mapping.dmp

Download
memory/4812-199-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-201-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4812-646-0x00000000055F0000-0x0000000005656000-memory.dmp

Filesize
408KB

Download