masslogger | 4358764628ddb7a8272093b8923525e48877e7910049a7d00d71476a51a87765

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 03:49

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General

Target

69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe
Size

985KB
MD5

69a3c94c586df5acb75967f1c97f79f3
SHA1

9bb3961a41c2afe325b6f615c6a6e7da07a6784c
SHA256

4358764628ddb7a8272093b8923525e48877e7910049a7d00d71476a51a87765
SHA512

b447714ce4e6ed4c82cb5bea5c345657b262c41e22cfc47e3f84917afae0cc4ef0fc4812f7c167d7969ffe46512edd5c9214840f975e71929447264435cb6f4e
SSDEEP

24576:PrYUhzRsCg6Yn++QKSqW7gmsjFLke4gM2me1jnMlK:D+Cg6Kbb/W7GL/glK

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 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2648-34-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2648-31-0x0000000001F60000-0x0000000001FFA000-memory.dmp	family_masslogger
behavioral1/memory/2648-46-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2648-30-0x0000000001F60000-0x0000000001FFA000-memory.dmp	family_masslogger
behavioral1/memory/2648-47-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2648-29-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2648-28-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2648-60-0x0000000000400000-0x0000000000541000-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:

fkshsks.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\International\Geo\Nation	fkshsks.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:

fkshsks.exefkshsks.exefkshsks.exe

pid	Process
2804	fkshsks.exe
2648	fkshsks.exe
2636	fkshsks.exe

Loads dropped DLL 4 IoCs

Processes:

notepad.exefkshsks.exe

pid	Process
2524	notepad.exe
2524	notepad.exe
2804	fkshsks.exe
2804	fkshsks.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 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2648-26-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2648-34-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2648-29-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2648-28-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2648-23-0x0000000000400000-0x0000000000541000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

Processes:

fkshsks.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	fkshsks.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	fkshsks.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	fkshsks.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	fkshsks.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.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
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

fkshsks.exe

description	pid	Process	procid_target
PID 2804 set thread context of 2648	2804	fkshsks.exe	30

NTFS ADS 1 IoCs

Processes:

notepad.exe

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

fkshsks.exe

pid	Process
2648	fkshsks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exefkshsks.exefkshsks.exe

pid	Process
2200	69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe
2804	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe
2636	fkshsks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

fkshsks.exe

pid	Process
2804	fkshsks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fkshsks.exe

description	pid	Process
Token: SeDebugPrivilege	2648	fkshsks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fkshsks.exe

pid	Process
2648	fkshsks.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exenotepad.exefkshsks.exe

description	pid	Process	procid_target
PID 2200 wrote to memory of 2524	2200	69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe	28
PID 2200 wrote to memory of 2524	2200	69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe	28
PID 2200 wrote to memory of 2524	2200	69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe	28
PID 2200 wrote to memory of 2524	2200	69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe	28
PID 2200 wrote to memory of 2524	2200	69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe	28
PID 2200 wrote to memory of 2524	2200	69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe	28
PID 2524 wrote to memory of 2804	2524	notepad.exe	29
PID 2524 wrote to memory of 2804	2524	notepad.exe	29
PID 2524 wrote to memory of 2804	2524	notepad.exe	29
PID 2524 wrote to memory of 2804	2524	notepad.exe	29
PID 2804 wrote to memory of 2648	2804	fkshsks.exe	30
PID 2804 wrote to memory of 2648	2804	fkshsks.exe	30
PID 2804 wrote to memory of 2648	2804	fkshsks.exe	30
PID 2804 wrote to memory of 2648	2804	fkshsks.exe	30
PID 2804 wrote to memory of 2636	2804	fkshsks.exe	31
PID 2804 wrote to memory of 2636	2804	fkshsks.exe	31
PID 2804 wrote to memory of 2636	2804	fkshsks.exe	31
PID 2804 wrote to memory of 2636	2804	fkshsks.exe	31

outlook_office_path 1 IoCs

Processes:

fkshsks.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe

outlook_win_path 1 IoCs

Processes:

fkshsks.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fkshsks.exe

C:\Users\Admin\AppData\Local\Temp\69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69a3c94c586df5acb75967f1c97f79f3_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe
    "C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2804
  - - C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe
      "C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Accesses Microsoft Outlook profiles
      Suspicious behavior: AddClipboardFormatListener
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      outlook_office_path
      outlook_win_path
      PID:2648
  - - C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe
      "C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe" 2 2648 259397963
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2636

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\fkshsks.exe

Filesize
985KB

MD5
69a3c94c586df5acb75967f1c97f79f3

SHA1
9bb3961a41c2afe325b6f615c6a6e7da07a6784c

SHA256
4358764628ddb7a8272093b8923525e48877e7910049a7d00d71476a51a87765

SHA512
b447714ce4e6ed4c82cb5bea5c345657b262c41e22cfc47e3f84917afae0cc4ef0fc4812f7c167d7969ffe46512edd5c9214840f975e71929447264435cb6f4e

Download Submit
memory/2200-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2200-2-0x00000000003D0000-0x00000000003E1000-memory.dmp

Filesize
68KB

Download
memory/2200-1-0x00000000003D0000-0x00000000003E1000-memory.dmp

Filesize
68KB

Download
memory/2200-3-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2200-6-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/2524-4-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2524-7-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2636-61-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/2648-28-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2648-47-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2648-60-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2648-52-0x0000000005B70000-0x0000000005B84000-memory.dmp

Filesize
80KB

Download
memory/2648-31-0x0000000001F60000-0x0000000001FFA000-memory.dmp

Filesize
616KB

Download
memory/2648-46-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2648-30-0x0000000001F60000-0x0000000001FFA000-memory.dmp

Filesize
616KB

Download
memory/2648-34-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2648-29-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2648-26-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2648-23-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2648-50-0x0000000002190000-0x00000000021D4000-memory.dmp

Filesize
272KB

Download
memory/2804-32-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/2804-33-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/2804-18-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2804-67-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download