MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cff9edb8c251f6867f1df4dbc8c47c98271a47c8feae9e867f362b59b6c43cb. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cff9edb8c251f6867f1df4dbc8c47c98271a47c8feae9e867f362b59b6c43cb
SHA3-384 hash: dd94051b48457e32a8f06a74e0cc3d69c109ab18fda7e7c498b5f4eb653389cb6392a19e851d7ff03b21e5e5fac7488b
SHA1 hash: 98d5b61cffc2b3373d486ede2862ee42f3ab5978
MD5 hash: 8314210b14fafaa81f9027c9f88eb69e
humanhash: leopard-robert-freddie-eighteen
File name:DHL Express_8922309719.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:652'296 bytes
First seen:2025-04-01 06:54:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:GNGAMFs1hSFlsx9Yjf4lBT9KV2CtVsRYMFGxYJfE3H7PXTullu/hNxxz8okR:NAcaK29pcVPsYM6YhiW2/DLz8/
Threatray 1'001 similar samples on MalwareBazaar
TLSH T1DDD4E158732CEB02E9B65BF05AB1F1B14BF91D9D6420E20A9ED66DEF7875F004E01A13
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
Reporter TeamDreier
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
443
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Express_8922309719.exe
Verdict:
Malicious activity
Analysis date:
2025-04-01 07:06:51 UTC
Tags:
snake keylogger stealer evasion ims-api generic
Link:
https://app.any.run/tasks/2ead13eb-e552-42f8-8e37-12ccb7fde369

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67eb90cbcfd0a37f830b5192
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
expired-cert invalid-signature masquerade obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/67eb8ddfd07c4c37a25e1dc3/reports/c27a9538-f538-47c8-8231-e4b078268a5a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1cff9edb8c251f6867f1df4dbc8c47c98271a47c8feae9e867f362b59b6c43cb
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4776d9b5-ccc0-4157-a1da-16a553c2c5c5
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/1653434
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
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: 1653434 Sample: DHL Express_8922309719.exe Startdate: 01/04/2025 Architecture: WINDOWS Score: 100 53 reallyfreegeoip.org 2->53 55 checkip.dyndns.org 2->55 57 checkip.dyndns.com 2->57 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 79 12 other signatures 2->79 8 DHL Express_8922309719.exe 7 2->8         started        12 vhnBonhw.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 77 Tries to detect the country of the analysis system (by using the IP) 53->77 process4 dnsIp5 45 C:\Users\user\AppData\Roaming\vhnBonhw.exe, PE32 8->45 dropped 47 C:\Users\...\vhnBonhw.exe:Zone.Identifier, ASCII 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmpCAE8.tmp, XML 8->49 dropped 51 C:\Users\...\DHL Express_8922309719.exe.log, ASCII 8->51 dropped 81 Adds a directory exclusion to Windows Defender 8->81 83 Injects a PE file into a foreign processes 8->83 17 powershell.exe 23 8->17         started        20 powershell.exe 23 8->20         started        22 DHL Express_8922309719.exe 15 2 8->22         started        25 schtasks.exe 1 8->25         started        85 Multi AV Scanner detection for dropped file 12->85 27 vhnBonhw.exe 12->27         started        29 schtasks.exe 12->29         started        31 MpCmdRun.exe 12->31         started        63 127.0.0.1 unknown unknown 14->63 file6 signatures7 process8 dnsIp9 65 Loading BitLocker PowerShell Module 17->65 33 conhost.exe 17->33         started        35 WmiPrvSE.exe 17->35         started        37 conhost.exe 20->37         started        59 checkip.dyndns.com 132.226.8.169, 49684, 49686, 80 UTMEMUS United States 22->59 61 reallyfreegeoip.org 104.21.32.1, 443, 49685, 49687 CLOUDFLARENETUS United States 22->61 39 conhost.exe 25->39         started        67 Tries to steal Mail credentials (via file / registry access) 27->67 69 Tries to harvest and steal browser information (history, passwords, etc) 27->69 41 conhost.exe 29->41         started        43 conhost.exe 31->43         started        signatures10 process11
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1cff9edb8c251f6867f1df4dbc8c47c98271a47c8feae9e867f362b59b6c43cb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1cff9edb8c251f6867f1df4dbc8c47c98271a47c8feae9e867f362b59b6c43cb/
Threat name:
Win32.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-04-01 06:55:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
17 of 24 (70.83%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dt7z5w4meupwqz7r35g3zdchzgbhdjd4r7vot2dh6nrllg3mipfq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
038849db19818c7136fe0a551b3f1b9ab11d51390ab2f4197f9f7c5ff16f6a8f
MassLogger
8432a87c1daeb7a4a13a6bee0ab55d5c96919b2d29dfddc5682f9289023a5ed6
MassLogger
a29feb5a19c2eb1dd0a09402eabca6d9a721c4f46e5f1ec013e36ee3069e0f3d
MassLogger
ee3e1b2211e621bc1c703647606cfeb8784c515feac68575d909dc239cff5bcf
MassLogger
error
MassLogger
+ 991 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250401-hpzgqavygx/
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
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/4b964738-e005-426b-9cca-4499e8e22552
Unpacked files
SH256 hash:
1cff9edb8c251f6867f1df4dbc8c47c98271a47c8feae9e867f362b59b6c43cb
MD5 hash:
8314210b14fafaa81f9027c9f88eb69e
SHA1 hash:
98d5b61cffc2b3373d486ede2862ee42f3ab5978
Link:
https://www.unpac.me/results/035911b0-cba5-47a4-a30c-cab95ce67106/
SH256 hash:
ef65cda826ded45925a3d6797fe4d2e140228e7d65753c7e70753fc5043b6087
MD5 hash:
66de88c7261ba66814e61bf186c0ff6a
SHA1 hash:
09f19d2b6b572aba7e15f9b4d1a217936d0121f3
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/035911b0-cba5-47a4-a30c-cab95ce67106/
SH256 hash:
d7b5ea2efe8f743c7a57fd8c98b778ff878d4ae864c1445de453d62046ea7143
MD5 hash:
2d1bc48a428d487d4f14ba7f3b6d5bd0
SHA1 hash:
9fc7bd58c66018ef79f3c9b38d3cb2dd1e41aa1b
Link:
https://www.unpac.me/results/035911b0-cba5-47a4-a30c-cab95ce67106/
SH256 hash:
32c736c1895320ac32850db6c56e9036ce92eca72c5a152f06d60a37bf8b524d
MD5 hash:
0d160a001e319e5b37fd649efb6b41be
SHA1 hash:
b870b9272ee8bf4a6f331c44626dbf879802ca7a
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/035911b0-cba5-47a4-a30c-cab95ce67106/
Parent samples :
e45ddc303aa4c0a7a0fd343d8620a299dbcf0ef799d98f92b3d2673f554a49fd
1cff9edb8c251f6867f1df4dbc8c47c98271a47c8feae9e867f362b59b6c43cb
a54edb5286da2f7d125bb76415b6ec70af6133d8a1ed1f72b060bad69741e661
cb353d92f5e09eea2c1bc96152134611c03525ce9aeef7fc5582cd5594c50be3
a05882d8e179d3a1a3ac69ce4b81bc72ee80f026d921e2598a5eddefd803511b
b8c36a5b681b071cc8c8a34fa1d1656b705dbe1f433706b386b78fd73ef6e884
16710103bbae3fbc560ef36459df90649918b2b33ec96d0a277d10ea31f81fcf
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1cff9edb8c25/report/overview.html
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/1cff9edb8c251f6867f1df4dbc8c47c98271a47c8feae9e867f362b59b6c43cb

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

Malspam

MassLogger

Executable exe 1cff9edb8c251f6867f1df4dbc8c47c98271a47c8feae9e867f362b59b6c43cb

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (HIGH_ENTROPY_VA)high

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