masslogger | cfa59596590ca689f1acca3450a94bb956d9b54749b7f84be00f2fad3ff94cb3

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 09:38

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General

Target

6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe
Size

1.1MB
MD5

6a8349c30bda22a77d692a91c7135183
SHA1

c143cbe18573f5291baedc20145afab3e42be1b5
SHA256

cfa59596590ca689f1acca3450a94bb956d9b54749b7f84be00f2fad3ff94cb3
SHA512

103448f7315ec1d8a2b59519bf9b05e735ad7509c8d879c6427b254e2a1d5ca7db4294329843e9477670f1f21e4d05aa1d44977ce047f9f5af533a8e02eaae5b
SSDEEP

12288:vDb7BqrErn/mxx7E6vMJaxKwWoFJm6y2o/Yc4/P2x1AFQap0PzGQirg4E1y93CIB:vFBrny7d7eqq2Z32LYQigM9yFoviaHPx

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 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2444-29-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2444-28-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2444-32-0x0000000001EE0000-0x0000000001F7A000-memory.dmp	family_masslogger
behavioral1/memory/2444-34-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2444-31-0x0000000001EE0000-0x0000000001F7A000-memory.dmp	family_masslogger
behavioral1/memory/2444-48-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2444-47-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2444-46-0x0000000000400000-0x0000000000541000-memory.dmp	family_masslogger
behavioral1/memory/2444-64-0x0000000000400000-0x0000000000541000-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:

wertyytdf.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Control Panel\International\Geo\Nation	wertyytdf.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:

wertyytdf.exewertyytdf.exewertyytdf.exe

pid	Process
2956	wertyytdf.exe
2444	wertyytdf.exe
2648	wertyytdf.exe

Loads dropped DLL 4 IoCs

Processes:

notepad.exewertyytdf.exe

pid	Process
1968	notepad.exe
1968	notepad.exe
2956	wertyytdf.exe
2956	wertyytdf.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/2444-29-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2444-28-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2444-27-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2444-24-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2444-34-0x0000000000400000-0x0000000000541000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

Processes:

wertyytdf.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	wertyytdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	wertyytdf.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:

wertyytdf.exe

description	pid	Process	procid_target
PID 2956 set thread context of 2444	2956	wertyytdf.exe	30

NTFS ADS 1 IoCs

Processes:

notepad.exe

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

wertyytdf.exe

pid	Process
2444	wertyytdf.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exewertyytdf.exewertyytdf.exewertyytdf.exe

pid	Process
2056	6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe
2956	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2444	wertyytdf.exe
2444	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe
2648	wertyytdf.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

wertyytdf.exe

pid	Process
2956	wertyytdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wertyytdf.exe

description	pid	Process
Token: SeDebugPrivilege	2444	wertyytdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

wertyytdf.exe

pid	Process
2444	wertyytdf.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exenotepad.exewertyytdf.exe

description	pid	Process	procid_target
PID 2056 wrote to memory of 1968	2056	6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe	28
PID 2056 wrote to memory of 1968	2056	6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe	28
PID 2056 wrote to memory of 1968	2056	6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe	28
PID 2056 wrote to memory of 1968	2056	6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe	28
PID 2056 wrote to memory of 1968	2056	6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe	28
PID 2056 wrote to memory of 1968	2056	6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe	28
PID 1968 wrote to memory of 2956	1968	notepad.exe	29
PID 1968 wrote to memory of 2956	1968	notepad.exe	29
PID 1968 wrote to memory of 2956	1968	notepad.exe	29
PID 1968 wrote to memory of 2956	1968	notepad.exe	29
PID 2956 wrote to memory of 2444	2956	wertyytdf.exe	30
PID 2956 wrote to memory of 2444	2956	wertyytdf.exe	30
PID 2956 wrote to memory of 2444	2956	wertyytdf.exe	30
PID 2956 wrote to memory of 2444	2956	wertyytdf.exe	30
PID 2956 wrote to memory of 2648	2956	wertyytdf.exe	31
PID 2956 wrote to memory of 2648	2956	wertyytdf.exe	31
PID 2956 wrote to memory of 2648	2956	wertyytdf.exe	31
PID 2956 wrote to memory of 2648	2956	wertyytdf.exe	31

outlook_office_path 1 IoCs

Processes:

wertyytdf.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe

outlook_win_path 1 IoCs

Processes:

wertyytdf.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wertyytdf.exe

C:\Users\Admin\AppData\Local\Temp\6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a8349c30bda22a77d692a91c7135183_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe
    "C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2956
  - - C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe
      "C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.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:2444
  - - C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe
      "C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe" 2 2444 259403376
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2648

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\wertyytdf.exe

Filesize
1.1MB

MD5
6a8349c30bda22a77d692a91c7135183

SHA1
c143cbe18573f5291baedc20145afab3e42be1b5

SHA256
cfa59596590ca689f1acca3450a94bb956d9b54749b7f84be00f2fad3ff94cb3

SHA512
103448f7315ec1d8a2b59519bf9b05e735ad7509c8d879c6427b254e2a1d5ca7db4294329843e9477670f1f21e4d05aa1d44977ce047f9f5af533a8e02eaae5b

Download Submit
memory/1968-4-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1968-7-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2056-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2056-1-0x00000000002F0000-0x0000000000300000-memory.dmp

Filesize
64KB

Download
memory/2056-3-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2056-6-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/2444-24-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2444-51-0x0000000004A70000-0x0000000004AB4000-memory.dmp

Filesize
272KB

Download
memory/2444-29-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2444-28-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2444-27-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2444-64-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2444-32-0x0000000001EE0000-0x0000000001F7A000-memory.dmp

Filesize
616KB

Download
memory/2444-34-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2444-53-0x0000000005B80000-0x0000000005B94000-memory.dmp

Filesize
80KB

Download
memory/2444-31-0x0000000001EE0000-0x0000000001F7A000-memory.dmp

Filesize
616KB

Download
memory/2444-48-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2444-47-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2444-46-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2648-65-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/2956-21-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2956-33-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/2956-18-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download