masslogger | b779eabef9d5148f570bcb451f564bba1519a5616ba8a910ef3768cfe61b2cea

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29-07-2024 21:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
Size

1.2MB
MD5

60b5b44b1f5408f7188a0d3c447b2174
SHA1

b896fcecbe9e307ed1dbdd7352827875fba50b7f
SHA256

b779eabef9d5148f570bcb451f564bba1519a5616ba8a910ef3768cfe61b2cea
SHA512

f7b56c314a1728120c1c47e25593bce58cea5ee353d8fce0f6d64d8b0709999b4f1fca424e6d5ed0164fb823cc5e6343fbe7415f381609b6e88396edbe4224e2
SSDEEP

24576:BqqHXvbDj/RqcniRJRwjpK0htPfSTYmOKDmUQBb:BqqzDj/CfRwjpFrfvmPDmUQ

Score

10^/10

masslogger collection credential_access defense_evasion discovery persistence 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 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1136-404-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs

Abuse InstallUtil to proxy execution of malicious code.

defense_evasion

InstallUtil

T1218.004

Processes:

60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exeublf.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
Key opened	\Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\InstallUtil.exe	ublf.exe

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:

InstallUtil.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Control Panel\International\Geo\Nation	InstallUtil.exe

Executes dropped EXE 2 IoCs

Processes:

ublf.exeInstallUtil.exe

pid	Process
1976	ublf.exe
1136	InstallUtil.exe

Loads dropped DLL 4 IoCs

Processes:

60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exeublf.exe

pid	Process
2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
1976	ublf.exe
1976	ublf.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

Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\upohg = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\ublf.exe"	reg.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:

ublf.exe

description	pid	Process	procid_target
PID 1976 set thread context of 1136	1976	ublf.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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

Processes:

cmd.exereg.exeublf.exeInstallUtil.exe60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ublf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

InstallUtil.exe

pid	Process
1136	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exeublf.exeInstallUtil.exe

pid	Process
2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
1976	ublf.exe
1136	InstallUtil.exe
1136	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exeublf.exeInstallUtil.exe

description	pid	Process
Token: SeDebugPrivilege	2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
Token: SeDebugPrivilege	1976	ublf.exe
Token: SeDebugPrivilege	1136	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid	Process
1136	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.execmd.exeublf.exe

description	pid	Process	procid_target
PID 2976 wrote to memory of 2536	2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2536	2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2536	2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2536	2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe	31
PID 2536 wrote to memory of 3052	2536	cmd.exe	33
PID 2536 wrote to memory of 3052	2536	cmd.exe	33
PID 2536 wrote to memory of 3052	2536	cmd.exe	33
PID 2536 wrote to memory of 3052	2536	cmd.exe	33
PID 2976 wrote to memory of 1976	2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe	34
PID 2976 wrote to memory of 1976	2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe	34
PID 2976 wrote to memory of 1976	2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe	34
PID 2976 wrote to memory of 1976	2976	60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe	34
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35
PID 1976 wrote to memory of 1136	1976	ublf.exe	35

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe"
1⤵
- System Binary Proxy Execution: InstallUtil
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v upohg /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ublf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v upohg /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ublf.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:3052
- C:\Users\Admin\ublf.exe
  "C:\Users\Admin\ublf.exe"
  2⤵
  - System Binary Proxy Execution: InstallUtil
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

System Binary Proxy Execution

T1218

InstallUtil

T1218.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\b1f92ac9-345d-4ee6-83d6-512dab76f3b9\i.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
\Users\Admin\ublf.exe

Filesize
1.2MB

MD5
60b5b44b1f5408f7188a0d3c447b2174

SHA1
b896fcecbe9e307ed1dbdd7352827875fba50b7f

SHA256
b779eabef9d5148f570bcb451f564bba1519a5616ba8a910ef3768cfe61b2cea

SHA512
f7b56c314a1728120c1c47e25593bce58cea5ee353d8fce0f6d64d8b0709999b4f1fca424e6d5ed0164fb823cc5e6343fbe7415f381609b6e88396edbe4224e2

Download Submit
memory/1136-680-0x0000000002160000-0x0000000002174000-memory.dmp

Filesize
80KB

Download
memory/1136-662-0x0000000000630000-0x0000000000674000-memory.dmp

Filesize
272KB

Download
memory/1136-404-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1976-203-0x0000000000DE0000-0x0000000000F18000-memory.dmp

Filesize
1.2MB

Download
memory/1976-388-0x0000000000B70000-0x0000000000B7C000-memory.dmp

Filesize
48KB

Download
memory/2976-38-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-26-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-11-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-12-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-19-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-28-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-40-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-54-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-64-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-14-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-16-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-50-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-48-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-46-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-44-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-42-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-3-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-36-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-34-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-32-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-30-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-10-0x0000000074CF0000-0x0000000074D70000-memory.dmp

Filesize
512KB

Download
memory/2976-24-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-22-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-20-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-52-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-72-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-70-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-68-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-66-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-62-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-60-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-58-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-56-0x0000000000230000-0x0000000000256000-memory.dmp

Filesize
152KB

Download
memory/2976-191-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

Filesize
4KB

Download
memory/2976-192-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-2-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/2976-1-0x0000000000D20000-0x0000000000E58000-memory.dmp

Filesize
1.2MB

Download
memory/2976-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

Filesize
4KB

Download
memory/2976-194-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-196-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-204-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download