masslogger | 9bf180bb7b3cc0fcc6d01b68e2aa82d2f853e081ec71e34942d875324a2415b4

General

Target

60091743pdf.exe
Size

1.1MB
MD5

c9b3ce0f3c3350621b6df632369a58f8
SHA1

ac29d51d75264cad92760259a8b2a4c358516975
SHA256

9bf180bb7b3cc0fcc6d01b68e2aa82d2f853e081ec71e34942d875324a2415b4
SHA512

96a329657409994e8485ded30d9dce953ee19489ab6242df62a2cade14ea107b328043c7ec7c024c3151370c41a16e12fa3ef3bc5371796d436c723b8a3da690

Score

10^/10

stealer spyware masslogger

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

resource	yara_rule
behavioral2/memory/2088-13-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral2/memory/2088-14-0x0000000000481C2E-mapping.dmp	family_masslogger

Deletes itself 1 IoCs

pid	Process
3708	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2920 set thread context of 2088	2920	60091743pdf.exe	78

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

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

pid	Process
1800	schtasks.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 5c15a575927ed601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2920	60091743pdf.exe
2088	60091743pdf.exe
2088	60091743pdf.exe
3708	powershell.exe
3708	powershell.exe
3708	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3752	svchost.exe
Token: SeCreatePagefilePrivilege	3752	svchost.exe
Token: SeDebugPrivilege	2920	60091743pdf.exe
Token: SeDebugPrivilege	2088	60091743pdf.exe
Token: SeDebugPrivilege	3708	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 1800	2920	60091743pdf.exe	76
PID 2920 wrote to memory of 1800	2920	60091743pdf.exe	76
PID 2920 wrote to memory of 1800	2920	60091743pdf.exe	76
PID 2920 wrote to memory of 2088	2920	60091743pdf.exe	78
PID 2920 wrote to memory of 2088	2920	60091743pdf.exe	78
PID 2920 wrote to memory of 2088	2920	60091743pdf.exe	78
PID 2920 wrote to memory of 2088	2920	60091743pdf.exe	78
PID 2920 wrote to memory of 2088	2920	60091743pdf.exe	78
PID 2920 wrote to memory of 2088	2920	60091743pdf.exe	78
PID 2920 wrote to memory of 2088	2920	60091743pdf.exe	78
PID 2920 wrote to memory of 2088	2920	60091743pdf.exe	78
PID 2088 wrote to memory of 3708	2088	60091743pdf.exe	80
PID 2088 wrote to memory of 3708	2088	60091743pdf.exe	80
PID 2088 wrote to memory of 3708	2088	60091743pdf.exe	80

C:\Users\Admin\AppData\Local\Temp\60091743pdf.exe
"C:\Users\Admin\AppData\Local\Temp\60091743pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nwwFxKnJy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD586.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1800
- C:\Users\Admin\AppData\Local\Temp\60091743pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\60091743pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\60091743pdf.exe'
    3⤵
    - Deletes itself
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3708

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2088-21-0x0000000005EB0000-0x0000000005EB1000-memory.dmp

Filesize
4KB

Download
memory/2088-16-0x0000000073980000-0x000000007406E000-memory.dmp

Filesize
6.9MB

Download
memory/2088-13-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2920-8-0x0000000005A50000-0x0000000005A5B000-memory.dmp

Filesize
44KB

Download
memory/2920-9-0x0000000006A20000-0x0000000006ADE000-memory.dmp

Filesize
760KB

Download
memory/2920-10-0x0000000006B20000-0x0000000006BB2000-memory.dmp

Filesize
584KB

Download
memory/2920-0-0x0000000073980000-0x000000007406E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-7-0x00000000057D0000-0x00000000057D1000-memory.dmp

Filesize
4KB

Download
memory/2920-6-0x0000000005570000-0x0000000005571000-memory.dmp

Filesize
4KB

Download
memory/2920-5-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/2920-4-0x0000000005A70000-0x0000000005A71000-memory.dmp

Filesize
4KB

Download
memory/2920-3-0x00000000054D0000-0x00000000054D1000-memory.dmp

Filesize
4KB

Download
memory/2920-1-0x0000000000B90000-0x0000000000B91000-memory.dmp

Filesize
4KB

Download
memory/3708-23-0x0000000073A00000-0x00000000740EE000-memory.dmp

Filesize
6.9MB

Download
memory/3708-30-0x0000000007820000-0x0000000007821000-memory.dmp

Filesize
4KB

Download
memory/3708-24-0x0000000004590000-0x0000000004591000-memory.dmp

Filesize
4KB

Download
memory/3708-25-0x00000000071B0000-0x00000000071B1000-memory.dmp

Filesize
4KB

Download
memory/3708-26-0x0000000006FF0000-0x0000000006FF1000-memory.dmp

Filesize
4KB

Download
memory/3708-27-0x0000000007090000-0x0000000007091000-memory.dmp

Filesize
4KB

Download
memory/3708-29-0x0000000007AC0000-0x0000000007AC1000-memory.dmp

Filesize
4KB

Download
memory/3708-31-0x0000000007E10000-0x0000000007E11000-memory.dmp

Filesize
4KB

Download
memory/3708-32-0x00000000080E0000-0x00000000080E1000-memory.dmp

Filesize
4KB

Download
memory/3708-33-0x0000000009800000-0x0000000009801000-memory.dmp

Filesize
4KB

Download
memory/3708-34-0x0000000008D80000-0x0000000008D81000-memory.dmp

Filesize
4KB

Download
memory/3708-35-0x0000000009180000-0x0000000009181000-memory.dmp

Filesize
4KB

Download
memory/3708-36-0x0000000006C40000-0x0000000006C41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads