masslogger | d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517

General

Target

bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
Size

1.1MB
MD5

bd0f466d4430c91d4b594be6a1842a25
SHA1

54ee4c4163b7e1ebf7bfa9e431faa0cb4cbcb6f9
SHA256

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517
SHA512

7f60b6b308183c526e691e4e9db7d2da79f41329a71cc654c88f9a3e3162a503543e47cb611e8bbc607d488f0f49d4c12c02d0202eab71db37ff8a4b3cf32ec4
SSDEEP

24576:KyBljP6+opzqidUTlL3d0WJVT6DMu7QRRVoFKnKvGSBwuhB7TxN8X:N0pz7OfgMu7QtrSBXhT

Score

10^/10

masslogger defense_evasion discovery 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 5 IoCs

resource	yara_rule
behavioral1/memory/2776-12-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2776-17-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2776-21-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2776-15-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2776-11-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Deletes itself 1 IoCs

pid	Process
2588	powershell.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
2776	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
2776	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
2588	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
Token: SeDebugPrivilege	2776	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
Token: SeDebugPrivilege	2588	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2776	2316	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	31
PID 2776 wrote to memory of 2588	2776	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	33
PID 2776 wrote to memory of 2588	2776	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	33
PID 2776 wrote to memory of 2588	2776	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	33
PID 2776 wrote to memory of 2588	2776	bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\bd0f466d4430c91d4b594be6a1842a25_JaffaCakes118.exe'
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2316-0-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2316-1-0x00000000009F0000-0x0000000000B10000-memory.dmp

Filesize
1.1MB

Download
memory/2316-2-0x00000000001C0000-0x00000000001D2000-memory.dmp

Filesize
72KB

Download
memory/2316-3-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2316-4-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2316-5-0x0000000005820000-0x00000000058F6000-memory.dmp

Filesize
856KB

Download
memory/2316-6-0x0000000007CA0000-0x0000000007D74000-memory.dmp

Filesize
848KB

Download
memory/2316-20-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-12-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2776-17-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2776-21-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2776-22-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-15-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2776-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-11-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2776-9-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2776-8-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2776-23-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-24-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing