masslogger | 4b5aed68397bf606ffec5ddd12e03c21ad332aa851cf5df746d3067cfc9e7ff9

Analysis

max time kernel
98s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 01:28

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General

Target

new order xls.exe
Size

1.8MB
MD5

60826b549c1baaa5f34d192d54aa91f2
SHA1

9650ab46ee8f654c260e712b2d3b0443a5ca1d7c
SHA256

25713dac1c6cb3444ccdb4439510b4e396fd217fcd6a5d1c3d40b48ae2716616
SHA512

3b124114ee2c8ee28386b201eb0e8b8411731d5f3dd19530443d4a5e8891e90d59e95e05218f3043f3364598abb7cc18fe2fc1dd483c00c21a42f0368b200e79

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 log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

yara_rule
masslogger_log_file

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Costura\8E3603ED8A0381E02887C1DBBE921340\32\sqlite.interop.dll	acprotect

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Costura\8E3603ED8A0381E02887C1DBBE921340\32\sqlite.interop.dll	upx

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

new order xls.exenew order xls.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	new order xls.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	new order xls.exe

Loads dropped DLL 1 IoCs

Processes:

new order xls.exe

pid process

1052 new order xls.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
T1081

pid	process
1052	new order xls.exe

Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs

collection

Email Collection

T1114

Processes:

new order xls.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	new order xls.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	new order xls.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	new order xls.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	new order xls.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	new order xls.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	new order xls.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

48 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

new order xls.exe

description pid process target process

PID 1884 set thread context of 1052 1884 new order xls.exe new order xls.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2852 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

new order xls.exe

pid process

1052 new order xls.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

new order xls.exenew order xls.exe

pid process

1884 new order xls.exe
1884 new order xls.exe
1884 new order xls.exe
1884 new order xls.exe
1884 new order xls.exe
1052 new order xls.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

new order xls.exenew order xls.exe

description pid process

Token: SeDebugPrivilege 1884 new order xls.exe
Token: SeDebugPrivilege 1052 new order xls.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

new order xls.exe

pid process

1052 new order xls.exe

flow	ioc
48	api.ipify.org

description	pid	process	target process
PID 1884 set thread context of 1052	1884	new order xls.exe	new order xls.exe

pid	process
2852	schtasks.exe

pid	process
1052	new order xls.exe

pid	process
1884	new order xls.exe
1884	new order xls.exe
1884	new order xls.exe
1884	new order xls.exe
1884	new order xls.exe
1052	new order xls.exe

description	pid	process
Token: SeDebugPrivilege	1884	new order xls.exe
Token: SeDebugPrivilege	1052	new order xls.exe

pid	process
1052	new order xls.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

new order xls.exe

description	pid	process	target process
PID 1884 wrote to memory of 2852	1884	new order xls.exe	schtasks.exe
PID 1884 wrote to memory of 2852	1884	new order xls.exe	schtasks.exe
PID 1884 wrote to memory of 2852	1884	new order xls.exe	schtasks.exe
PID 1884 wrote to memory of 3716	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 3716	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 3716	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 1052	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 1052	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 1052	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 1052	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 1052	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 1052	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 1052	1884	new order xls.exe	new order xls.exe
PID 1884 wrote to memory of 1052	1884	new order xls.exe	new order xls.exe

outlook_office_path 1 IoCs

Processes:

new order xls.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe

outlook_win_path 1 IoCs

Processes:

new order xls.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order xls.exe

C:\Users\Admin\AppData\Local\Temp\new order xls.exe
"C:\Users\Admin\AppData\Local\Temp\new order xls.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\daKLyFIBQOA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4A67.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2852
- C:\Users\Admin\AppData\Local\Temp\new order xls.exe
  "{path}"
  2⤵
  PID:3716
- C:\Users\Admin\AppData\Local\Temp\new order xls.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - 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:1052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\new order xls.exe.log

Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
C:\Users\Admin\AppData\Local\Temp\Costura\8E3603ED8A0381E02887C1DBBE921340\32\sqlite.interop.dll

Filesize
594KB

MD5
e81aeac387c5db32b7f9b07d15e788e0

SHA1
829be6eaf1cb0d82b2ddfc98272e1087f4a7a7c3

SHA256
44f31f99f048bfc5195937353b5207332e455bcd5a722bcfd32cacfd93f60f06

SHA512
cc6a96325a01c50c059706a1f4156f109e502ef9c0b0f5de209d1f52e7cc973cebc027f57ed988e9d1b8fca62746b60ee7430d608de95cdd0e5ac3cb61fbe32e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4A67.tmp

Filesize
1KB

MD5
50db8286f4adf08ba817fdf8ed48427b

SHA1
736ba813be613f777e0d00d7d491bd7cabe6732d

SHA256
72ca5b623a3ea0c6a219647ccdf85120767c5ccaea9733360640534a074e9977

SHA512
be9d1cbac1a8e2dc2ef498540178e2b24f1c160140998a1cb76ca0eb853454bce93d2a98f0b239c0cd81eaf994a99e9eeadd7bc068c580674ec25d5d8537e406

Download Submit
memory/1052-164-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-188-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-170-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-703-0x000000000D4D0000-0x000000000D520000-memory.dmp

Filesize
320KB

Download
memory/1052-702-0x00000000061B0000-0x0000000006216000-memory.dmp

Filesize
408KB

Download
memory/1052-138-0x0000000000000000-mapping.dmp

Download
memory/1052-139-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-168-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-142-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-144-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-146-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-148-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-166-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-152-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-154-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-156-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-158-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-160-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-162-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-202-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-150-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-200-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-198-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-172-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-174-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-176-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-178-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-180-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-182-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-184-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-186-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-196-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-190-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-192-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1052-194-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1884-134-0x000000000E8E0000-0x000000000E97C000-memory.dmp

Filesize
624KB

Download
memory/1884-132-0x000000000B1B0000-0x000000000B242000-memory.dmp

Filesize
584KB

Download
memory/1884-130-0x0000000000B60000-0x0000000000D3C000-memory.dmp

Filesize
1.9MB

Download
memory/1884-131-0x000000000B5C0000-0x000000000BB64000-memory.dmp

Filesize
5.6MB

Download
memory/1884-133-0x000000000B150000-0x000000000B15A000-memory.dmp

Filesize
40KB

Download
memory/2852-135-0x0000000000000000-mapping.dmp

Download
memory/3716-137-0x0000000000000000-mapping.dmp

Download