masslogger | a8a998884e55b7ad0e3f1933b1ebf3ef2ac00d0c3dd5f97788cb307f5fb5297d

General

Target

DHL AWB NO2. 405986998.exe
Size

757KB
MD5

da17ebedd455be9c1628ff43ab03abef
SHA1

2dc6ef915849a3b64899c22a24da528f8670f78f
SHA256

7cee0e7a663f8a865255723ea5fe89fac90be773094c04ad82b5aee132f50cd7
SHA512

0fd655de104a34a91d7587c6df7f93705112107aacb729834410d9002c110ebe74a0022784115211a25ceb8a194104a546013d34aba2a92b1d2a35c0c2bdc7b1

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.7.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 4:39:50 AM MassLogger Started: 5/21/2022 4:39:23 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\DHL AWB NO2. 405986998.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1752-63-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/1752-64-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/1752-65-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/1752-66-0x00000000004A316E-mapping.dmp	family_masslogger
behavioral1/memory/1752-68-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/1752-70-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger

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

Processes:

yara_rule

masslogger_log_file

yara_rule
masslogger_log_file

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:

DHL AWB NO2. 405986998.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	DHL AWB NO2. 405986998.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

Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs

collection

Email Collection

T1114

Processes:

DHL AWB NO2. 405986998.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	DHL AWB NO2. 405986998.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	DHL AWB NO2. 405986998.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	DHL AWB NO2. 405986998.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	DHL AWB NO2. 405986998.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	DHL AWB NO2. 405986998.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	DHL AWB NO2. 405986998.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:

DHL AWB NO2. 405986998.exe

description pid process target process

PID 1628 set thread context of 1752 1628 DHL AWB NO2. 405986998.exe DHL AWB NO2. 405986998.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

1684 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DHL AWB NO2. 405986998.exe

pid process

1752 DHL AWB NO2. 405986998.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

DHL AWB NO2. 405986998.exeDHL AWB NO2. 405986998.exe

pid process

1628 DHL AWB NO2. 405986998.exe
1752 DHL AWB NO2. 405986998.exe
1752 DHL AWB NO2. 405986998.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL AWB NO2. 405986998.exeDHL AWB NO2. 405986998.exe

description pid process

Token: SeDebugPrivilege 1628 DHL AWB NO2. 405986998.exe
Token: SeDebugPrivilege 1752 DHL AWB NO2. 405986998.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DHL AWB NO2. 405986998.exe

pid process

1752 DHL AWB NO2. 405986998.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1628 set thread context of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe

pid	process
1684	schtasks.exe

pid	process
1752	DHL AWB NO2. 405986998.exe

pid	process
1628	DHL AWB NO2. 405986998.exe
1752	DHL AWB NO2. 405986998.exe
1752	DHL AWB NO2. 405986998.exe

description	pid	process
Token: SeDebugPrivilege	1628	DHL AWB NO2. 405986998.exe
Token: SeDebugPrivilege	1752	DHL AWB NO2. 405986998.exe

pid	process
1752	DHL AWB NO2. 405986998.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

DHL AWB NO2. 405986998.exe

description	pid	process	target process
PID 1628 wrote to memory of 1684	1628	DHL AWB NO2. 405986998.exe	schtasks.exe
PID 1628 wrote to memory of 1684	1628	DHL AWB NO2. 405986998.exe	schtasks.exe
PID 1628 wrote to memory of 1684	1628	DHL AWB NO2. 405986998.exe	schtasks.exe
PID 1628 wrote to memory of 1684	1628	DHL AWB NO2. 405986998.exe	schtasks.exe
PID 1628 wrote to memory of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe
PID 1628 wrote to memory of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe
PID 1628 wrote to memory of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe
PID 1628 wrote to memory of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe
PID 1628 wrote to memory of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe
PID 1628 wrote to memory of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe
PID 1628 wrote to memory of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe
PID 1628 wrote to memory of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe
PID 1628 wrote to memory of 1752	1628	DHL AWB NO2. 405986998.exe	DHL AWB NO2. 405986998.exe

outlook_office_path 1 IoCs

Processes:

DHL AWB NO2. 405986998.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe

outlook_win_path 1 IoCs

Processes:

DHL AWB NO2. 405986998.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB NO2. 405986998.exe

C:\Users\Admin\AppData\Local\Temp\DHL AWB NO2. 405986998.exe
"C:\Users\Admin\AppData\Local\Temp\DHL AWB NO2. 405986998.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\axQZqAONP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA44.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1684
- C:\Users\Admin\AppData\Local\Temp\DHL AWB NO2. 405986998.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - 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:1752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAA44.tmp

Filesize
1KB

MD5
55bff88447874793fce3765573561f25

SHA1
1c7342ff779011e834984c13eb502757d8c5b2b3

SHA256
3849d3b871fc955b32c474d6eeac48db80631e6a749147ab6af61e17cf214a9d

SHA512
bb38530bc1531811618b6c011c86da4aaa959ec5ab0f3325cc22e60ad8d23308af216a07660273e94a6073753b142d3609f9405b9d717786516c9d8ee6145ddc

Download Submit
memory/1628-54-0x00000000009D0000-0x0000000000A94000-memory.dmp

Filesize
784KB

Download
memory/1628-55-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1628-56-0x0000000000420000-0x0000000000428000-memory.dmp

Filesize
32KB

Download
memory/1628-57-0x0000000007FF0000-0x00000000080A0000-memory.dmp

Filesize
704KB

Download
memory/1684-58-0x0000000000000000-mapping.dmp

Download
memory/1752-61-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1752-63-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1752-60-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1752-64-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1752-65-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1752-66-0x00000000004A316E-mapping.dmp

Download
memory/1752-68-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1752-70-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1752-71-0x00000000006D0000-0x0000000000714000-memory.dmp

Filesize
272KB

Download
memory/1752-73-0x0000000000735000-0x0000000000746000-memory.dmp

Filesize
68KB

Download
memory/1752-74-0x0000000002140000-0x0000000002154000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads