MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


MassLogger


Vendor detections: 15


Intelligence 15 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d
SHA3-384 hash: 46ef99ff9292c6d20a8c0e610ce0912f6833b443dfaa5b221129412289aab9b9929065011eb1d8134a016e688f7b4467
SHA1 hash: aad32e77eb7ecdd3e0909d1018a6fca8c4e26fc5
MD5 hash: fd2765443b95b23c0ab9fa091a6182aa
humanhash: shade-paris-jupiter-oregon
File name:DHL Shipping Details Ref ID 446331798008765975594-pdf.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:592'392 bytes
First seen:2025-03-12 17:32:47 UTC
Last seen:2025-03-12 19:10:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:hRFuyJu5+t75+cPvdoOStBVKFZKC+RmQZrJrlIOjjIAkR:zvJF7soctBoynRmQ9Jr2Ojjc
Threatray 2'325 similar samples on MalwareBazaar
TLSH T19EC4F1609658CB13DA6D5BB14671E33243758DABF512D3868EE96CEB3C93BB0640C1CB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 34f0d0aa8a86c871 (3 x SnakeKeylogger, 2 x Formbook, 1 x DarkCloud)
Reporter abuse_ch
Tags:DHL exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
419
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Shipping Details Ref ID 446331798008765975594-pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-03-12 17:37:11 UTC
Tags:
evasion autorun-sched snake keylogger stealer
Link:
https://app.any.run/tasks/dd6128de-d2b7-46f9-9f63-5f349726dd2d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d1eb9bdff6bd9219089c98
Tags:
underscore shell micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature masquerade obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/67d1c5593c5f644bd94fb68b/reports/cc7b98dd-2484-4d07-a8c0-b96e3b10ac3c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1d61437-dfbc-4cee-8bdb-288c57d387df
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1636421
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suspicious powershell command line found
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1636421 Sample: DHL Shipping Details Ref ID... Startdate: 12/03/2025 Architecture: WINDOWS Score: 100 49 reallyfreegeoip.org 2->49 51 checkip.dyndns.org 2->51 53 checkip.dyndns.com 2->53 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Sigma detected: Scheduled temp file as task from temp location 2->71 75 13 other signatures 2->75 8 DHL Shipping Details Ref ID 446331798008765975594-pdf.exe 7 2->8         started        12 PZgkJsntUXo.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 73 Tries to detect the country of the analysis system (by using the IP) 49->73 process4 dnsIp5 41 C:\Users\user\AppData\...\PZgkJsntUXo.exe, PE32 8->41 dropped 43 C:\Users\...\PZgkJsntUXo.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp2454.tmp, XML 8->45 dropped 47 DHL Shipping Detai...5975594-pdf.exe.log, ASCII 8->47 dropped 77 Suspicious powershell command line found 8->77 79 Adds a directory exclusion to Windows Defender 8->79 81 Injects a PE file into a foreign processes 8->81 17 powershell.exe 23 8->17         started        20 powershell.exe 22 8->20         started        22 DHL Shipping Details Ref ID 446331798008765975594-pdf.exe 15 2 8->22         started        29 2 other processes 8->29 83 Multi AV Scanner detection for dropped file 12->83 25 PZgkJsntUXo.exe 12->25         started        27 schtasks.exe 12->27         started        59 127.0.0.1 unknown unknown 14->59 file6 signatures7 process8 dnsIp9 61 Loading BitLocker PowerShell Module 17->61 31 conhost.exe 17->31         started        33 WmiPrvSE.exe 17->33         started        35 conhost.exe 20->35         started        55 checkip.dyndns.com 132.226.247.73, 49684, 49686, 80 UTMEMUS United States 22->55 57 reallyfreegeoip.org 104.21.48.1, 443, 49685, 49687 CLOUDFLARENETUS United States 22->57 63 Tries to steal Mail credentials (via file / registry access) 25->63 65 Tries to harvest and steal browser information (history, passwords, etc) 25->65 37 conhost.exe 27->37         started        39 conhost.exe 29->39         started        signatures10 process11
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2025-03-12 10:18:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p7bbkint4yoqkvoaygw3sr6zojgizjq5zhfo56c2cehmi3j3fvoq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
52eb6516d6851a1f228abaa42737d19bb97d2aa8f62d92f81f501dd43eb14d1a
MassLogger
794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546
MassLogger
7c0fba40b02bce96b799951c2e559ff3e78ddb5ef096f13483ee206e33f6ad45
MassLogger
7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d
MassLogger
8be24b4a43a08fa9f9800c60d3da03062ddb912f6a8c702d3ca58bc465788516
MassLogger
c991a3ee832bc707306f68c46786afc17de14163f8d3c757516bac9953ad6f3b
MassLogger
e9e69503f6db09e9ba9dcfc74ac4288b7135785d9f6aabe0af823a34812e9b2d
MassLogger
error
MassLogger
+ 2'315 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250312-v4w2csyq19/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/eb7c358f-32ba-4cfc-9f51-d9b356a0892e
Unpacked files
SH256 hash:
7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d
MD5 hash:
fd2765443b95b23c0ab9fa091a6182aa
SHA1 hash:
aad32e77eb7ecdd3e0909d1018a6fca8c4e26fc5
Link:
https://www.unpac.me/results/4f301249-4498-4167-88b1-d7f064b3c932/
SH256 hash:
1ae70e9920316346f39648486fe46b70ea00f90b9595cfc0a78958cee45b9224
MD5 hash:
f0884d03aca538d5f2b208d9aaf7874c
SHA1 hash:
132212e8a27c756ae62d926f6b62c91e226e768a
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/4f301249-4498-4167-88b1-d7f064b3c932/
Parent samples :
22d92af6c8a273dc5a9e69e37ccfb5ffe6e7d7f0c7a46ee6b9f7e5cb34402128
4b21d54c412f87e8780f0f50392e66e37b5e09c6c53dd955351e6c87c5edebb8
566100e8280a66cd7a4a6bb2befb399f9c0bedb1206a34103f34d9572ffb5121
c33d06421b59dff8c714160ebc13a76508efdf7df8deec91d77cba760d28257f
d8df7d976d130dcbcd58aaf4c908e42a1e1762c5169cefdbafc2faf87dbf2441
123be687d8f6715d99d4938b20d6e75415197fc6ed50af0e472d13a56fff75fa
4bd5d8dbd871399e808370b9ec7adadc46a28ee4af8a48478b69c391f3236637
1957409295eb6545e767c0f0877fbe7816c63d4c14e5bee3c0465f0c188f9434
3d2d4932b38d1e1d37482e994eba2c33927a90e9452ee52c06b5049cfa96fb58
c68fd2199806868970ba64af5626f4004bd075441b3f8a902153570950689dd1
7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc
810e347b05bec3d24178a9f5330d73d85b67f28c6e5e7d82c254743619dd0d0c
3c65a0c225639d6d04e845f224c754fc393f554eedbc5feb4a3b1b9ca3728c34
794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546
211ea7b9db1647569432f81b6b4eba2664d98abb1a2bbf9adba6ce545868c5bd
f529e6efd5225df558fcde232bcc3ebd0fababcf80c44b200fb847e2448d5e1f
a003b17d8065d71e25b3c612567713e67c54db3dd339e0e4a2e0aa5ffc836094
7fd19fb3bc8558dba218a1877438cbccb2412baf3e50918b9f2d808591c27280
b603a586ea389d7ce6ea8b3ae24eb08bbe6c020e341ee32845c6edf868aa9bbd
52eb6516d6851a1f228abaa42737d19bb97d2aa8f62d92f81f501dd43eb14d1a
e1a0b0280374abcbbd243e3d9b749b9e976354ed259076e238c45cf821e1e35b
e43126516cb07aed914aae46c6619db608a984d878ac57d515e8cfd85e696ad3
c991a3ee832bc707306f68c46786afc17de14163f8d3c757516bac9953ad6f3b
7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d
3db3650ffeffab84a845715ea1018b331e0fd8bdd619b7cab1d1553074aa31d1
SH256 hash:
e71521007e64e4011f80f4fb6f8fa07b05be52e8088ed18c0c19881a6391fb45
MD5 hash:
cb717a71e67908fb20e04b13ebec3aec
SHA1 hash:
2f2e5d402c19c4cbd98fdace3b9049fc1c42d565
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/4f301249-4498-4167-88b1-d7f064b3c932/
Parent samples :
7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d
43d909c8afd4fe8010ca22bd90a2f65fd6e4275c36d103b91d0016f0c2988883
b8f79e1b5aecb07c83251141f0b128274c49697ebea217c83787abdf07fe00f2
e71521007e64e4011f80f4fb6f8fa07b05be52e8088ed18c0c19881a6391fb45
4be8e656872c1d27eeaec3bd38a9fd51648893ca4f8b79741b40e395ef91615e
35ebe17f33803f292a173b8652fdd9c69be8e6b89bc9897776e41c3a721b4211
efa962fc10045f83da36ea363c43aba7a8d5ff3ec0e3aaa4c6480c2578b8c4fa
1a98a78c6e63e52bd77d0a49c4738646e60c86e077174e523383509d2701f0e6
020b4368059e1fd314ad7299d62c0c1373fe19d6f8fae574d804c7f20c914de5
4dce97ef955a132177e7043fc0d11e35c3e1d03f833b3b30951d7b2ce6db735e
SH256 hash:
41be19944780858b9ca25c91ae67b4f324644fb41f240940c102245bd4619d59
MD5 hash:
3468cfaf0d7825cb251269c3769e8ccc
SHA1 hash:
d1aaa542613117c04feed98d9e4899d2597586c3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4f301249-4498-4167-88b1-d7f064b3c932/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7fc21521b3e61d0555c0c1adb947d9724c8ca61dc9caeef85a110ec46d3b2d5d

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments