MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e9fc9546b1c8892e6ddb754bdea3a38a892c186c8f6969e2780d3edfac6eb46. 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



UmbralStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 7e9fc9546b1c8892e6ddb754bdea3a38a892c186c8f6969e2780d3edfac6eb46
SHA3-384 hash: 52b2460d93df05c4c24b0fb54b5c4d83f756621ed85eee1fce6924b1b04632544fc27957daaed5697c2a212b42b06b01
SHA1 hash: 6fc81807b0bb22e0a3db9e6929c66a28efd0e50c
MD5 hash: 3ca0f31c8bbe63902dc44c21e2bdcd58
humanhash: bakerloo-mississippi-football-arizona
File name:Umbral2.exe
Download: download sample
Signature UmbralStealer
File size:217'600 bytes
First seen:2023-05-13 22:58:15 UTC
Last seen:2023-05-14 18:42:30 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 3072:8lP/chtWkOIGSkvD6vdnsUSaLclidqRfOw44lllllj02cgSl8eN7bHBXcnXT5XO:YcyHIGWdsUSqFqEjb8eNHWD
Threatray 3 similar samples on MalwareBazaar
TLSH T176246C1827BCCB12E26F8FBD95F1419B8B70E117E84EFB8E1C88D5F81422742B549A57
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter JaffaCakes118
Tags:UmbralStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
128
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Umbral2.exe
Verdict:
No threats detected
Analysis date:
2023-05-13 23:16:17 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Creating a file in the %temp% directory
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm cmd.exe fingerprint hacktool packed rat wmic.exe
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Umbral Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
76 / 100
Signature
Adds a directory exclusion to Windows Defender
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Umbral Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 865300 Sample: Umbral2.exe Startdate: 14/05/2023 Architecture: WINDOWS Score: 76 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Umbral Stealer 2->26 28 Machine Learning detection for sample 2->28 7 Umbral2.exe 14 3 2->7         started        process3 signatures4 30 Tries to harvest and steal browser information (history, passwords, etc) 7->30 32 Adds a directory exclusion to Windows Defender 7->32 10 powershell.exe 16 7->10         started        12 powershell.exe 12 7->12         started        14 powershell.exe 7 7->14         started        process5 process6 16 conhost.exe 10->16         started        18 conhost.exe 12->18         started        20 conhost.exe 14->20         started       
Threat name:
ByteCode-MSIL.Trojan.Zilla
Status:
Malicious
First seen:
2023-05-13 22:59:11 UTC
File Type:
PE (.Net Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Behaviour
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
Unpacked files
SH256 hash:
7e9fc9546b1c8892e6ddb754bdea3a38a892c186c8f6969e2780d3edfac6eb46
MD5 hash:
3ca0f31c8bbe63902dc44c21e2bdcd58
SHA1 hash:
6fc81807b0bb22e0a3db9e6929c66a28efd0e50c
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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