MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e8d2f6fa4b8d1ec630758422c493de85d367f2eb7c76b452b9843ed2b2a7bff. 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


Umbral


Vendor detections: 14


Intelligence 14 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e8d2f6fa4b8d1ec630758422c493de85d367f2eb7c76b452b9843ed2b2a7bff
SHA3-384 hash: 22f782d70e50319a66027e6d0a50b5c71d9000e2f22f7a121bdab862d45dd6f69b8070a61cec226d25236c4a1c208aaa
SHA1 hash: 2280afe7bb2d07c315e2599c21f069dd1b7ce3b8
MD5 hash: e09f55d421cb45340a8c97c217ba56cf
humanhash: west-solar-indigo-neptune
File name:https___files.catbox.moe_l2rczc.pif
Download: download sample
Signature Umbral
Create hunting rule
File size:190'464 bytes
First seen:2024-12-05 16:37:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 3072:L+AIo6iee4xc7I+g4A9PtLmMf8noNM3MWQ/s17LVHEEPX9p8lt1WkXBkrY1SZbBc:LGo6iee4xUZA9Pt6Mf8noNM3MWQ/s17P
TLSH T14014294853BC8F23F7AF4FFC866191D6CB72B107E84AF74E1C8890E825667816445BA7
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Racco42
Tags:exe pif Umbral

Intelligence

File Origin
# of uploads :
1
# of downloads :
393
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL AWB-documents.html
Verdict:
Malicious activity
Analysis date:
2024-12-03 17:52:57 UTC
Tags:
arch-exec evasion discord exfiltration stealer
Link:
https://app.any.run/tasks/a5bba717-dec3-497d-a197-64137ae8e527

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilzilla-9952790-0
Create hunting rule

Win.Packed.Msilzilla-9955952-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6751d6ec12e85e185e764923
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Creating a window
Creating a file in the %temp% subdirectories
Sending an HTTP GET request
Launching a process
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Changing the hosts file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm cmd fingerprint formbook hacktool lolbin masquerade obfuscated quasarrat wmic
Link:
https://www.filescan.io/uploads/6751d6f04ac4ab66dfca5e59/reports/edddf35c-1394-40b2-9863-97add8a13b85/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/1e8d2f6fa4b8d1ec630758422c493de85d367f2eb7c76b452b9843ed2b2a7bff
Malware family:
Sharp Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/31e8b0b1-4c6b-4ec1-b319-742635e792e4
Result
Threat name:
n/a
Detection:
malicious
Classification:
adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1569372
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Drops PE files with a suspicious file extension
Found many strings related to Crypto-Wallets (likely being stolen)
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Suspicious Startup Folder Persistence
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1569372 Sample: https___files.catbox.moe_l2... Startdate: 05/12/2024 Architecture: WINDOWS Score: 100 46 ip-api.com 2->46 48 discord.com 2->48 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 7 other signatures 2->60 8 https___files.catbox.moe_l2rczc.pif.exe 14 16 2->8         started        signatures3 process4 dnsIp5 50 ip-api.com 208.95.112.1, 49747, 80 TUT-ASUS United States 8->50 52 discord.com 162.159.135.232, 443, 49819, 49825 CLOUDFLARENETUS United States 8->52 38 C:\ProgramData\Microsoft\...\TqmmU.scr, PE32 8->38 dropped 40 C:\Windows\System32\drivers\etc\hosts, ASCII 8->40 dropped 42 https___files.catb..._l2rczc.pif.exe.log, ASCII 8->42 dropped 44 C:\ProgramData\...\TqmmU.scr:Zone.Identifier, ASCII 8->44 dropped 62 Suspicious powershell command line found 8->62 64 Found many strings related to Crypto-Wallets (likely being stolen) 8->64 66 Drops PE files with a suspicious file extension 8->66 68 5 other signatures 8->68 13 powershell.exe 23 8->13         started        16 powershell.exe 7 8->16         started        18 WMIC.exe 1 8->18         started        20 5 other processes 8->20 file6 signatures7 process8 signatures9 70 Loading BitLocker PowerShell Module 13->70 22 WmiPrvSE.exe 13->22         started        24 conhost.exe 13->24         started        26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 20->32         started        34 conhost.exe 20->34         started        36 2 other processes 20->36 process10
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1e8d2f6fa4b8d1ec630758422c493de85d367f2eb7c76b452b9843ed2b2a7bff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e8d2f6fa4b8d1ec630758422c493de85d367f2eb7c76b452b9843ed2b2a7bff/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2024-12-02 13:25:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d2gs635exdi6yyyhlbbcysj55botm7zow7dwwrjltbb62kzkpp7q._file
Verdict:
malicious
Label(s):
umbralstealer
Create hunting rule
Similar samples:
error
Umbral
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution spyware stealer
Link:
https://tria.ge/reports/241205-t5c47ssngy/
Behaviour
Detects videocard installed
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Drops file in Drivers directory
Verdict:
Malicious
Tags:
stealer umbral Win.Packed.Msilzilla-9952790-0
YARA:
MALWARE_Win_Umbralstealer
Link:
https://app.threat.zone/submission/791075fd-760c-4d04-84b5-ce94215f04fa
Unpacked files
SH256 hash:
1e8d2f6fa4b8d1ec630758422c493de85d367f2eb7c76b452b9843ed2b2a7bff
MD5 hash:
e09f55d421cb45340a8c97c217ba56cf
SHA1 hash:
2280afe7bb2d07c315e2599c21f069dd1b7ce3b8
Link:
https://www.unpac.me/results/6839a064-6548-4081-8b5c-15202675e6d4/
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/1e8d2f6fa4b8d1ec630758422c493de85d367f2eb7c76b452b9843ed2b2a7bff

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM names
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox system UUIDs
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxUserNames
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM usernames
Rule name:MALWARE_Win_UmbralStealer
Create hunting rule
Author:ditekShen
Description:Detects Umbral infostealer
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Umbral

Executable exe 1e8d2f6fa4b8d1ec630758422c493de85d367f2eb7c76b452b9843ed2b2a7bff

(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 (GUARD_CF)high

Comments