masslogger | a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd

Analysis

max time kernel
30s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
24-05-2022 23:30

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General

Target

a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe
Size

1.3MB
MD5

9a4bb2ca5dccc84a90fc2fd2276023fa
SHA1

c541e7269e3b125bf947ab9b5069f3929b7baa92
SHA256

a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd
SHA512

a7d16010fc5c56fd296c5832410ff459f4f0353e290f4238d413e9a40f064469d17c2253a1c59b2b1622b4e93884f87d136293f3ef5dc4c7666396820dcabd83

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 33 IoCs

resource	yara_rule
behavioral2/memory/2992-132-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-131-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-139-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-141-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-143-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-147-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-155-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-161-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-165-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-163-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-159-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-157-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-153-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-169-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-179-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-189-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-191-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-195-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-193-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-187-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-185-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-183-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-181-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-177-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-175-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-173-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-171-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-167-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-151-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-149-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-145-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-137-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger
behavioral2/memory/2992-135-0x0000000000C50000-0x0000000000D02000-memory.dmp	family_masslogger

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2992	2704	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe	72

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2704	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe
2704	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe
3960	powershell.exe
3960	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2704	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe
Token: SeDebugPrivilege	3960	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2992	2704	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe	72
PID 2704 wrote to memory of 2992	2704	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe	72
PID 2704 wrote to memory of 2992	2704	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe	72
PID 2992 wrote to memory of 3056	2992	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe	81
PID 2992 wrote to memory of 3056	2992	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe	81
PID 2992 wrote to memory of 3056	2992	a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe	81
PID 3056 wrote to memory of 3960	3056	cmd.exe	80
PID 3056 wrote to memory of 3960	3056	cmd.exe	80
PID 3056 wrote to memory of 3960	3056	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe
"C:\Users\Admin\AppData\Local\Temp\a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Users\Admin\AppData\Local\Temp\a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe
  "C:\Users\Admin\AppData\Local\Temp\a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3056

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\a556b45b3d2247dc814a2100a0827b1d68d87ec670a1e6791f6e67926cdad4bd.exe'
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3960

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2704-133-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/2992-132-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-131-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-139-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-141-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-143-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-147-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-155-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-161-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-165-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-163-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-159-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-157-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-153-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-169-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-179-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-189-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-191-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-195-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-193-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-187-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-185-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-183-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-181-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-177-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-175-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-173-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-171-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-167-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-151-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-149-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-145-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-137-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-135-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/2992-651-0x0000000004D80000-0x0000000004E1C000-memory.dmp

Filesize
624KB

Download
memory/2992-650-0x0000000004FC0000-0x0000000005564000-memory.dmp

Filesize
5.6MB

Download
memory/2992-652-0x0000000005770000-0x00000000057D6000-memory.dmp

Filesize
408KB

Download
memory/2992-653-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/3960-656-0x0000000003050000-0x0000000003086000-memory.dmp

Filesize
216KB

Download
memory/3960-657-0x0000000005B00000-0x0000000006128000-memory.dmp

Filesize
6.2MB

Download
memory/3960-659-0x00000000062A0000-0x0000000006306000-memory.dmp

Filesize
408KB

Download
memory/3960-658-0x00000000059C0000-0x00000000059E2000-memory.dmp

Filesize
136KB

Download
memory/3960-660-0x0000000006980000-0x000000000699E000-memory.dmp

Filesize
120KB

Download
memory/3960-661-0x0000000007FE0000-0x000000000865A000-memory.dmp

Filesize
6.5MB

Download
memory/3960-662-0x0000000006E90000-0x0000000006EAA000-memory.dmp

Filesize
104KB

Download
memory/3960-664-0x0000000006F50000-0x0000000006F72000-memory.dmp

Filesize
136KB

Download
memory/3960-663-0x0000000007C00000-0x0000000007C96000-memory.dmp

Filesize
600KB

Download