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

Signatures

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

MassLogger Main Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3804-12-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral2/memory/3804-13-0x0000000000481C1E-mapping.dmp	family_masslogger

Deletes itself 1 IoCs

Processes:

powershell.exe

pid process

512 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

00158007301057500.exe

description pid process target process

PID 1112 set thread context of 3804 1112 00158007301057500.exe 00158007301057500.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

00158007301057500.exepowershell.exe

pid process

3804 00158007301057500.exe
3804 00158007301057500.exe
512 powershell.exe
512 powershell.exe
512 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

00158007301057500.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3804 00158007301057500.exe
Token: SeDebugPrivilege 512 powershell.exe

pid	process
512	powershell.exe

description	pid	process	target process
PID 1112 set thread context of 3804	1112	00158007301057500.exe	00158007301057500.exe

pid	process
3804	00158007301057500.exe
3804	00158007301057500.exe
512	powershell.exe
512	powershell.exe
512	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3804	00158007301057500.exe
Token: SeDebugPrivilege	512	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

00158007301057500.exe00158007301057500.exe

description	pid	process	target process
PID 1112 wrote to memory of 3804	1112	00158007301057500.exe	00158007301057500.exe
PID 1112 wrote to memory of 3804	1112	00158007301057500.exe	00158007301057500.exe
PID 1112 wrote to memory of 3804	1112	00158007301057500.exe	00158007301057500.exe
PID 1112 wrote to memory of 3804	1112	00158007301057500.exe	00158007301057500.exe
PID 1112 wrote to memory of 3804	1112	00158007301057500.exe	00158007301057500.exe
PID 1112 wrote to memory of 3804	1112	00158007301057500.exe	00158007301057500.exe
PID 1112 wrote to memory of 3804	1112	00158007301057500.exe	00158007301057500.exe
PID 1112 wrote to memory of 3804	1112	00158007301057500.exe	00158007301057500.exe
PID 3804 wrote to memory of 512	3804	00158007301057500.exe	powershell.exe
PID 3804 wrote to memory of 512	3804	00158007301057500.exe	powershell.exe
PID 3804 wrote to memory of 512	3804	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:1112

C:\Users\Admin\AppData\Local\Temp\00158007301057500.exe
"C:\Users\Admin\AppData\Local\Temp\00158007301057500.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3804

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\00158007301057500.exe'
3⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:512

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\00158007301057500.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/512-29-0x0000000007680000-0x0000000007681000-memory.dmp

Filesize
4KB

Download
memory/512-28-0x0000000007750000-0x0000000007751000-memory.dmp

Filesize
4KB

Download
memory/512-21-0x0000000000000000-mapping.dmp

Download
memory/512-34-0x0000000008EE0000-0x0000000008EE1000-memory.dmp

Filesize
4KB

Download
memory/512-33-0x0000000008AE0000-0x0000000008AE1000-memory.dmp

Filesize
4KB

Download
memory/512-32-0x0000000009560000-0x0000000009561000-memory.dmp

Filesize
4KB

Download
memory/512-31-0x0000000007E30000-0x0000000007E31000-memory.dmp

Filesize
4KB

Download
memory/512-22-0x0000000073310000-0x00000000739FE000-memory.dmp

Filesize
6.9MB

Download
memory/512-26-0x0000000007510000-0x0000000007511000-memory.dmp

Filesize
4KB

Download
memory/512-25-0x0000000006D50000-0x0000000006D51000-memory.dmp

Filesize
4KB

Download
memory/512-24-0x0000000006E00000-0x0000000006E01000-memory.dmp

Filesize
4KB

Download
memory/512-23-0x0000000004310000-0x0000000004311000-memory.dmp

Filesize
4KB

Download
memory/512-30-0x0000000007C90000-0x0000000007C91000-memory.dmp

Filesize
4KB

Download
memory/512-35-0x0000000006990000-0x0000000006991000-memory.dmp

Filesize
4KB

Download
memory/1112-11-0x00000000063C0000-0x000000000647E000-memory.dmp

Filesize
760KB

Download
memory/1112-3-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

Filesize
4KB

Download
memory/1112-6-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

Filesize
4KB

Download
memory/1112-5-0x0000000005530000-0x0000000005531000-memory.dmp

Filesize
4KB

Download
memory/1112-9-0x00000000057D0000-0x00000000057D1000-memory.dmp

Filesize
4KB

Download
memory/1112-10-0x0000000005740000-0x0000000005752000-memory.dmp

Filesize
72KB

Download
memory/1112-2-0x0000000073290000-0x000000007397E000-memory.dmp

Filesize
6.9MB

Download
memory/1112-8-0x00000000054E0000-0x00000000054E1000-memory.dmp

Filesize
4KB

Download
memory/1112-7-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/3804-15-0x0000000073290000-0x000000007397E000-memory.dmp

Filesize
6.9MB

Download
memory/3804-13-0x0000000000481C1E-mapping.dmp

Download
memory/3804-12-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3804-20-0x0000000004E40000-0x0000000004E41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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