masslogger | 97b2ed57152af2f0c93d46664fe6340832b1dd8b53f5280e42c5787e00acbef7

General

Target

NB_Inquiry.exe
Size

2.7MB
MD5

033f93ab38b8abcd2c5125ff04172e9c
SHA1

030098b28e2099a2fc12f5dbe8b4ad4af92295a5
SHA256

91ab9b169f8b0c05ab795c52b0e41f34374bb828c16176eda1f121c1dbc12731
SHA512

47d90a7edcda87676986303da496cbe170e71a09c98cd6ef2b13ca52f63ea58795e4de3156f0f7c0a0a300adb2e6a2ac7a721c01a29d62ebce74bf3fe70d76b8

Score

10^/10

masslogger agilenet collection ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 4:33:12 AM MassLogger Started: 5/21/2022 4:32:55 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe As Administrator: True

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Dmacdavid

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
Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

1324 InstallUtil.exe

yara_rule
masslogger_log_file

pid	process
1324	InstallUtil.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-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	InstallUtil.exe

Loads dropped DLL 1 IoCs

Processes:

NB_Inquiry.exe

pid process

276 NB_Inquiry.exe

pid	process
276	NB_Inquiry.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/276-55-0x0000000000270000-0x0000000000284000-memory.dmp	agile_net

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:

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

NB_Inquiry.exe

description pid process target process

PID 276 set thread context of 1324 276 NB_Inquiry.exe InstallUtil.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

InstallUtil.exe

pid process

1324 InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

NB_Inquiry.exeInstallUtil.exe

pid process

276 NB_Inquiry.exe
276 NB_Inquiry.exe
276 NB_Inquiry.exe
1324 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NB_Inquiry.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 276 NB_Inquiry.exe
Token: SeDebugPrivilege 1324 InstallUtil.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

1324 InstallUtil.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 276 set thread context of 1324	276	NB_Inquiry.exe	InstallUtil.exe

pid	process
1324	InstallUtil.exe

pid	process
276	NB_Inquiry.exe
276	NB_Inquiry.exe
276	NB_Inquiry.exe
1324	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	276	NB_Inquiry.exe
Token: SeDebugPrivilege	1324	InstallUtil.exe

pid	process
1324	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

NB_Inquiry.exe

description	pid	process	target process
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe
PID 276 wrote to memory of 1324	276	NB_Inquiry.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.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	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.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	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\NB_Inquiry.exe
"C:\Users\Admin\AppData\Local\Temp\NB_Inquiry.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:276

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- 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:1324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/276-55-0x0000000000270000-0x0000000000284000-memory.dmp

Filesize
80KB

Download
memory/276-56-0x0000000000280000-0x0000000000288000-memory.dmp

Filesize
32KB

Download
memory/276-57-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/276-58-0x0000000000320000-0x0000000000328000-memory.dmp

Filesize
32KB

Download
memory/276-54-0x0000000001340000-0x00000000015FA000-memory.dmp

Filesize
2.7MB

Download
memory/1324-94-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-99-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-67-0x00000000004A12AE-mapping.dmp

Download
memory/1324-63-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-69-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-70-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-74-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-77-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-61-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-79-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-80-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-81-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-83-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-82-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-84-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-85-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-86-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-87-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-89-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-88-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-90-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-91-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-92-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-93-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-60-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-95-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-97-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-96-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-98-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-65-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-100-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-101-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-102-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-103-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-104-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-105-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-106-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-107-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-108-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-109-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-110-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-111-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-112-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-113-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-115-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-114-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-116-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-117-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-118-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-119-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-120-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-121-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-122-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-123-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-124-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-125-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-126-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-127-0x0000000000200000-0x0000000000346000-memory.dmp

Filesize
1.3MB

Download
memory/1324-332-0x0000000004490000-0x00000000044D4000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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