masslogger | d9ba65273cd9e8f4f3c4dcf601c652d153fe3fc54a0dd1135389574945128dd5

Analysis

max time kernel
126s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 02:02

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General

Target

PURCHASE.exe
Size

1.7MB
MD5

692a0e33a1f8159a91020ff78a91fd0f
SHA1

e609fdef9d33611113fe311276d6584a0d3e221c
SHA256

dbdbfa24b62d54b1624dac7d07bd939677342c820867b0d8993f0ab95af3d342
SHA512

1bc350b7aee9c53d116ea2dc41e04dce24bae01b2a0a41fa56457d42a5164e76b7debdf6be9670f83a87b3922f85d4548ebbbcc655e03ed7a344a212135eeb72

Score

10^/10

masslogger collection spyware stealer upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.flockmail.com
Port:
587
Username:
[email protected]
Password:
Fraudoo7

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:

PURCHASE.exePURCHASE.exe

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

Loads dropped DLL 1 IoCs

Processes:

PURCHASE.exe

pid process

1688 PURCHASE.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
1688	PURCHASE.exe

Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs

collection

Email Collection

T1114

Processes:

PURCHASE.exe

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

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

Processes:

PURCHASE.exe

description pid process target process

PID 2736 set thread context of 1688 2736 PURCHASE.exe PURCHASE.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

2172 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

PURCHASE.exe

pid process

1688 PURCHASE.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PURCHASE.exePURCHASE.exe

pid process

2736 PURCHASE.exe
1688 PURCHASE.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PURCHASE.exePURCHASE.exe

description pid process

Token: SeDebugPrivilege 2736 PURCHASE.exe
Token: SeDebugPrivilege 1688 PURCHASE.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PURCHASE.exe

pid process

1688 PURCHASE.exe

flow	ioc
52	api.ipify.org

description	pid	process	target process
PID 2736 set thread context of 1688	2736	PURCHASE.exe	PURCHASE.exe

pid	process
2172	schtasks.exe

pid	process
1688	PURCHASE.exe

pid	process
2736	PURCHASE.exe
1688	PURCHASE.exe

description	pid	process
Token: SeDebugPrivilege	2736	PURCHASE.exe
Token: SeDebugPrivilege	1688	PURCHASE.exe

pid	process
1688	PURCHASE.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PURCHASE.exe

description	pid	process	target process
PID 2736 wrote to memory of 2172	2736	PURCHASE.exe	schtasks.exe
PID 2736 wrote to memory of 2172	2736	PURCHASE.exe	schtasks.exe
PID 2736 wrote to memory of 2172	2736	PURCHASE.exe	schtasks.exe
PID 2736 wrote to memory of 1688	2736	PURCHASE.exe	PURCHASE.exe
PID 2736 wrote to memory of 1688	2736	PURCHASE.exe	PURCHASE.exe
PID 2736 wrote to memory of 1688	2736	PURCHASE.exe	PURCHASE.exe
PID 2736 wrote to memory of 1688	2736	PURCHASE.exe	PURCHASE.exe
PID 2736 wrote to memory of 1688	2736	PURCHASE.exe	PURCHASE.exe
PID 2736 wrote to memory of 1688	2736	PURCHASE.exe	PURCHASE.exe
PID 2736 wrote to memory of 1688	2736	PURCHASE.exe	PURCHASE.exe
PID 2736 wrote to memory of 1688	2736	PURCHASE.exe	PURCHASE.exe

outlook_office_path 1 IoCs

Processes:

PURCHASE.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	PURCHASE.exe

outlook_win_path 1 IoCs

Processes:

PURCHASE.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	PURCHASE.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UTZEtCS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C0D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2172
- C:\Users\Admin\AppData\Local\Temp\PURCHASE.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:1688

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\PURCHASE.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\tmp4C0D.tmp

Filesize
1KB

MD5
a9ef5bfc90a95db0644d2c23b8cb07f1

SHA1
76f3d9537192045044e5074085e36ad46e6451d8

SHA256
3345a9e77fe85cfd1a02de9fe6308ae3797b03a30c8fc0a08b027db8cc20c7cb

SHA512
7a93891ede69dac4cac1f0d294c5c89bb6a27799f5bacdd6c2bc87c51c63eeedb335626790bde2ff3d039cac8ad76baff16ff83fd856d74a4d376686df6e37f8

Download Submit
memory/1688-165-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-141-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-702-0x00000000087E0000-0x0000000008830000-memory.dmp

Filesize
320KB

Download
memory/1688-167-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-137-0x0000000000000000-mapping.dmp

Download
memory/1688-171-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-701-0x00000000069B0000-0x0000000006A16000-memory.dmp

Filesize
408KB

Download
memory/1688-169-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-143-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-145-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-147-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-149-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-151-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-153-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-155-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-157-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-159-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-161-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-163-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-201-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-199-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-197-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-138-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-173-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-175-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-177-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-179-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-181-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-183-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-185-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-187-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-189-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-191-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-193-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1688-195-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/2172-135-0x0000000000000000-mapping.dmp

Download
memory/2736-134-0x00000000081B0000-0x000000000824C000-memory.dmp

Filesize
624KB

Download
memory/2736-133-0x0000000007D20000-0x0000000007D2A000-memory.dmp

Filesize
40KB

Download
memory/2736-130-0x0000000000CE0000-0x0000000000E9C000-memory.dmp

Filesize
1.7MB

Download
memory/2736-131-0x0000000008280000-0x0000000008824000-memory.dmp

Filesize
5.6MB

Download
memory/2736-132-0x0000000007D70000-0x0000000007E02000-memory.dmp

Filesize
584KB

Download