masslogger | 5982827e27391c55ba90965651918a41129f6192503fd33abe2a40e441d8a336

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
18-05-2024 11:16

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General

Target

546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe
Size

987KB
MD5

546bee912865993d10cffb8eb2ba6217
SHA1

d820779090e5c53e83b2a978a3e4bab3ec542860
SHA256

5982827e27391c55ba90965651918a41129f6192503fd33abe2a40e441d8a336
SHA512

710300c358f94c1936904af5aa7fa6a8667344bf06046ae35038e717d96cb9e8e0173182ffc6069bce4220ebb95aec3847eafd355c7029a668734390763cb5e0
SSDEEP

24576:/rYUhzRsCg6Yn++QKS4Xkuo1EBeyJEXwuLkveyBV:z+Cg6Kbb1rBeyKBYWyBV

Score

10^/10

masslogger collection spyware stealer upx

Malware Config

Signatures

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

MassLogger Main payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2732-33-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2732-28-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2732-34-0x0000000001F20000-0x0000000001FBA000-memory.dmp	family_masslogger
behavioral1/memory/2732-60-0x0000000000400000-0x0000000000541000-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:

hfjhfksfs.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Control Panel\International\Geo\Nation	hfjhfksfs.exe

Drops startup file 1 IoCs

Processes:

notepad.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.vbs	notepad.exe

Executes dropped EXE 3 IoCs

Processes:

hfjhfksfs.exehfjhfksfs.exehfjhfksfs.exe

pid	Process
3032	hfjhfksfs.exe
2732	hfjhfksfs.exe
2584	hfjhfksfs.exe

Loads dropped DLL 4 IoCs

Processes:

notepad.exehfjhfksfs.exe

pid	Process
2744	notepad.exe
2744	notepad.exe
3032	hfjhfksfs.exe
3032	hfjhfksfs.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2732-33-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2732-28-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2732-27-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2732-26-0x0000000000400000-0x0000000000541000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

Processes:

hfjhfksfs.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	hfjhfksfs.exe
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

hfjhfksfs.exe

description	pid	Process	procid_target
PID 3032 set thread context of 2732	3032	hfjhfksfs.exe	30

NTFS ADS 1 IoCs

Processes:

notepad.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\appdata\hfjhfksfs.exe:ZoneIdentifier	notepad.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

hfjhfksfs.exe

pid	Process
2732	hfjhfksfs.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exehfjhfksfs.exehfjhfksfs.exehfjhfksfs.exe

pid	Process
1712	546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe
3032	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2732	hfjhfksfs.exe
2732	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe
2584	hfjhfksfs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

hfjhfksfs.exe

pid	Process
3032	hfjhfksfs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

hfjhfksfs.exe

description	pid	Process
Token: SeDebugPrivilege	2732	hfjhfksfs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

hfjhfksfs.exe

pid	Process
2732	hfjhfksfs.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exenotepad.exehfjhfksfs.exe

description	pid	Process	procid_target
PID 1712 wrote to memory of 2744	1712	546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe	28
PID 1712 wrote to memory of 2744	1712	546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe	28
PID 1712 wrote to memory of 2744	1712	546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe	28
PID 1712 wrote to memory of 2744	1712	546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe	28
PID 1712 wrote to memory of 2744	1712	546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe	28
PID 1712 wrote to memory of 2744	1712	546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe	28
PID 2744 wrote to memory of 3032	2744	notepad.exe	29
PID 2744 wrote to memory of 3032	2744	notepad.exe	29
PID 2744 wrote to memory of 3032	2744	notepad.exe	29
PID 2744 wrote to memory of 3032	2744	notepad.exe	29
PID 3032 wrote to memory of 2732	3032	hfjhfksfs.exe	30
PID 3032 wrote to memory of 2732	3032	hfjhfksfs.exe	30
PID 3032 wrote to memory of 2732	3032	hfjhfksfs.exe	30
PID 3032 wrote to memory of 2732	3032	hfjhfksfs.exe	30
PID 3032 wrote to memory of 2584	3032	hfjhfksfs.exe	31
PID 3032 wrote to memory of 2584	3032	hfjhfksfs.exe	31
PID 3032 wrote to memory of 2584	3032	hfjhfksfs.exe	31
PID 3032 wrote to memory of 2584	3032	hfjhfksfs.exe	31

outlook_office_path 1 IoCs

Processes:

hfjhfksfs.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe

outlook_win_path 1 IoCs

Processes:

hfjhfksfs.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hfjhfksfs.exe

C:\Users\Admin\AppData\Local\Temp\546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\546bee912865993d10cffb8eb2ba6217_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Users\Admin\AppData\Roaming\appdata\hfjhfksfs.exe
    "C:\Users\Admin\AppData\Roaming\appdata\hfjhfksfs.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:3032
  - - C:\Users\Admin\AppData\Roaming\appdata\hfjhfksfs.exe
      "C:\Users\Admin\AppData\Roaming\appdata\hfjhfksfs.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Accesses Microsoft Outlook profiles
      Suspicious behavior: AddClipboardFormatListener
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      outlook_office_path
      outlook_win_path
      PID:2732
  - - C:\Users\Admin\AppData\Roaming\appdata\hfjhfksfs.exe
      "C:\Users\Admin\AppData\Roaming\appdata\hfjhfksfs.exe" 2 2732 259401176
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\appdata\hfjhfksfs.exe

Filesize
987KB

MD5
546bee912865993d10cffb8eb2ba6217

SHA1
d820779090e5c53e83b2a978a3e4bab3ec542860

SHA256
5982827e27391c55ba90965651918a41129f6192503fd33abe2a40e441d8a336

SHA512
710300c358f94c1936904af5aa7fa6a8667344bf06046ae35038e717d96cb9e8e0173182ffc6069bce4220ebb95aec3847eafd355c7029a668734390763cb5e0

Download Submit
memory/1712-2-0x0000000001EA0000-0x0000000001EB1000-memory.dmp

Filesize
68KB

Download
memory/1712-0-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/1712-1-0x0000000001EA0000-0x0000000001EB1000-memory.dmp

Filesize
68KB

Download
memory/2584-32-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2584-61-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/2732-60-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2732-49-0x0000000005AF0000-0x0000000005B04000-memory.dmp

Filesize
80KB

Download
memory/2732-47-0x0000000004A70000-0x0000000004AB4000-memory.dmp

Filesize
272KB

Download
memory/2732-33-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2732-34-0x0000000001F20000-0x0000000001FBA000-memory.dmp

Filesize
616KB

Download
memory/2732-28-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2732-27-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2732-26-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2744-6-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2744-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/3032-29-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/3032-22-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/3032-17-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download