masslogger | ef135ff370965b368d1a590d09638e105809bfcf3696a754ce8945de0a574c37

General

Target

DHL SHIPPING DOCUMENT.exe
Size

983KB
MD5

1e9264b9a9412d1de2a4ddf9d062f9d9
SHA1

d1d71a586ea0fdc9cf2f3e584145337c0580d7b3
SHA256

60464dbfb4a5cb7227d3afe20367adb84757365e1b9a466ef95c0c96c28b31cf
SHA512

53d2f22148b62912a23c1056e65df435ff07ec97915d359fa330ba605eff9876f8580ff6041146bf3f44f2f099262bc1ac71d365cb63337e850312f6bddfbb2f

Score

10^/10

masslogger ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.4.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 3:46:44 AM MassLogger Started: 5/21/2022 3:46:41 AM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING DOCUMENT.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 32 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4108-136-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-139-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-141-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-143-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-145-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-147-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-149-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-151-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-153-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-155-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-157-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-159-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-161-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-163-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-165-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-167-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-169-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-171-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-173-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-175-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-177-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-179-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-183-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-181-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-185-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-187-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-189-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-191-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-193-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-197-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-199-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4108-195-0x0000000000400000-0x00000000004B0000-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 SHIPPING DOCUMENT.exe

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

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

Processes:

DHL SHIPPING DOCUMENT.exe

description pid process target process

PID 1440 set thread context of 4108 1440 DHL SHIPPING DOCUMENT.exe DHL SHIPPING DOCUMENT.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

DHL SHIPPING DOCUMENT.exe

pid process

4108 DHL SHIPPING DOCUMENT.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

DHL SHIPPING DOCUMENT.exe

description pid process

Token: SeDebugPrivilege 4108 DHL SHIPPING DOCUMENT.exe

flow	ioc
39	api.ipify.org

description	pid	process	target process
PID 1440 set thread context of 4108	1440	DHL SHIPPING DOCUMENT.exe	DHL SHIPPING DOCUMENT.exe

pid	process
4108	DHL SHIPPING DOCUMENT.exe

description	pid	process
Token: SeDebugPrivilege	4108	DHL SHIPPING DOCUMENT.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

DHL SHIPPING DOCUMENT.exe

description	pid	process	target process
PID 1440 wrote to memory of 4108	1440	DHL SHIPPING DOCUMENT.exe	DHL SHIPPING DOCUMENT.exe
PID 1440 wrote to memory of 4108	1440	DHL SHIPPING DOCUMENT.exe	DHL SHIPPING DOCUMENT.exe
PID 1440 wrote to memory of 4108	1440	DHL SHIPPING DOCUMENT.exe	DHL SHIPPING DOCUMENT.exe
PID 1440 wrote to memory of 4108	1440	DHL SHIPPING DOCUMENT.exe	DHL SHIPPING DOCUMENT.exe
PID 1440 wrote to memory of 4108	1440	DHL SHIPPING DOCUMENT.exe	DHL SHIPPING DOCUMENT.exe
PID 1440 wrote to memory of 4108	1440	DHL SHIPPING DOCUMENT.exe	DHL SHIPPING DOCUMENT.exe
PID 1440 wrote to memory of 4108	1440	DHL SHIPPING DOCUMENT.exe	DHL SHIPPING DOCUMENT.exe
PID 1440 wrote to memory of 4108	1440	DHL SHIPPING DOCUMENT.exe	DHL SHIPPING DOCUMENT.exe

C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING DOCUMENT.exe
"C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING DOCUMENT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1440

C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING DOCUMENT.exe
"{path}"
2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4108

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHL SHIPPING DOCUMENT.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1440-131-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/1440-132-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/1440-133-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

Filesize
40KB

Download
memory/1440-134-0x0000000008F80000-0x000000000901C000-memory.dmp

Filesize
624KB

Download
memory/1440-130-0x0000000000440000-0x000000000053A000-memory.dmp

Filesize
1000KB

Download
memory/4108-163-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-169-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-139-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-141-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-143-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-145-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-147-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-149-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-151-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-153-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-155-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-157-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-159-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-161-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-135-0x0000000000000000-mapping.dmp

Download
memory/4108-165-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-167-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-136-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-171-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-173-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-175-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-177-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-179-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-183-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-181-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-185-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-187-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-189-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-191-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-193-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-197-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-199-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-195-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4108-644-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads