MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e3601302c0294914808b6537cd27de961d087ba0807590b981b7f8c8aa5eee6. 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


SkuldStealer


Vendor detections: 13


Intelligence 13 IOCs YARA 49 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e3601302c0294914808b6537cd27de961d087ba0807590b981b7f8c8aa5eee6
SHA3-384 hash: 2b66ede376efcbdb9ced06559dc9bb0733539c3b309f26699b5533b45d90e5aaa5cbd173bd6d389328087af8dd71aa95
SHA1 hash: 5b7939a94cbd908ad8f57bb2e5328cce657c3700
MD5 hash: dbbd2127d1030e4c9548fdf7de9983a7
humanhash: ohio-november-speaker-grey
File name:skuld.exe
Download: download sample
Signature SkuldStealer
Create hunting rule
File size:10'375'680 bytes
First seen:2024-11-17 10:21:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (142 x Vidar, 92 x Rhadamanthys, 66 x Stealc)
ssdeep 98304:OhoRYXiOhqugpWWNeWTQLc4u0u08eOEaB2v/ZmMz/:ao3OhqFHIrLc4uB08erlNz/
TLSH T10FA65A47E8A541E4C0ADD175CA269262BE713C888F3463D36B50F7346FB7BD0AAB9740
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter aachum
Tags:exe SkuldStealer


Avatar
iamaachum
Skuld C2: https://discord.com/api/webhooks/1298867906041479188/X0YmXSYYuFGsCIlZL1CQlv_GeIoIWc3S1cksX7_7_e4Onj-TjaVqNzNpf_yEZ3AJvNBM

Intelligence

File Origin
# of uploads :
1
# of downloads :
521
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EternalPredictor.exe
Verdict:
Malicious activity
Analysis date:
2024-11-17 10:16:11 UTC
Tags:
evasion uac xworm discord arch-doc remote stealer python screenshot blankgrabber pyinstaller crypto-regex discordgrabber generic golang ims-api susp-powershell skuld ip-check
Link:
https://app.any.run/tasks/5c9a8e7c-b839-4687-abaa-23547f157e9b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.PUA.DiscordUrl-1.UNOFFICIAL
Create hunting rule

Win.Malware.Tmpnstealer-10031639-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6739c5856bc7caf979b334ba
Tags:
infosteal vmdetect lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Creating a file in the %AppData% subdirectories
Creating a window
DNS request
Enabling the 'hidden' option for recently created files
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Searching for the window
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm golang
Link:
https://www.filescan.io/uploads/6739c3ce60fef151ad6b0030/reports/3c332e87-36dc-4c74-8e9b-af81b2a8810b/overview
Verdict:
Malicious
Labled as:
TMPNStealer.A.Generic
Link:
https://www.hybrid-analysis.com/sample/8e3601302c0294914808b6537cd27de961d087ba0807590b981b7f8c8aa5eee6
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/47e5c7cb-7963-47b5-9ccb-70aa6bd0ae63
Result
Threat name:
Skuld Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1557109
Signature
AI detected suspicious sample
Check if machine is in data center or colocation facility
Found many strings related to Crypto-Wallets (likely being stolen)
Installs new ROOT certificates
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bypass UAC via Fodhelper.exe
Sigma detected: Files With System Process Name In Unsuspected Locations
UAC bypass detected (Fodhelper)
Uses cmd line tools excessively to alter registry or file data
Yara detected Skuld Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1557109 Sample: skuld.exe Startdate: 17/11/2024 Architecture: WINDOWS Score: 100 57 ip-api.com 2->57 59 api.ipify.org 2->59 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected Skuld Stealer 2->67 69 Check if machine is in data center or colocation facility 2->69 71 4 other signatures 2->71 10 skuld.exe 2 2 2->10         started        15 SecurityHealthSystray.exe 2 1 2->15         started        17 SecurityHealthSystray.exe 2 1 2->17         started        signatures3 process4 dnsIp5 61 ip-api.com 208.95.112.1, 49705, 80 TUT-ASUS United States 10->61 63 api.ipify.org 104.26.13.205, 443, 49704 CLOUDFLARENETUS United States 10->63 55 C:\Users\user\...\SecurityHealthSystray.exe, PE32+ 10->55 dropped 73 Installs new ROOT certificates 10->73 75 Found many strings related to Crypto-Wallets (likely being stolen) 10->75 77 Uses cmd line tools excessively to alter registry or file data 10->77 19 WMIC.exe 1 10->19         started        21 conhost.exe 10->21         started        23 attrib.exe 1 10->23         started        25 attrib.exe 1 10->25         started        79 Multi AV Scanner detection for dropped file 15->79 81 UAC bypass detected (Fodhelper) 15->81 83 Machine Learning detection for dropped file 15->83 27 cmd.exe 2 15->27         started        29 conhost.exe 15->29         started        31 cmd.exe 2 17->31         started        33 conhost.exe 17->33         started        file6 signatures7 process8 process9 35 fodhelper.exe 12 27->35         started        37 fodhelper.exe 27->37         started        39 fodhelper.exe 27->39         started        41 fodhelper.exe 12 31->41         started        43 fodhelper.exe 31->43         started        45 fodhelper.exe 31->45         started        process10 47 SecurityHealthSystray.exe 1 35->47         started        49 SecurityHealthSystray.exe 1 41->49         started        process11 51 conhost.exe 47->51         started        53 conhost.exe 49->53         started       
Score:
84%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8e3601302c0294914808b6537cd27de961d087ba0807590b981b7f8c8aa5eee6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8e3601302c0294914808b6537cd27de961d087ba0807590b981b7f8c8aa5eee6/
Threat name:
Win64.Trojan.YanismaStealer
Create hunting rule
Status:
Malicious
First seen:
2024-10-25 00:17:00 UTC
File Type:
PE+ (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ry3acmbmakkjcsaiwzjxzut55fq5bb52badvsc4ydn7yzcvf53ta._file
Result
Malware family:
skuld
Create hunting rule
Score:
  10/10
Tags:
family:skuld persistence
Link:
https://tria.ge/reports/241117-md8y8sxjg1/
Behaviour
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Suspicious use of AdjustPrivilegeToken
Adds Run key to start application
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1298867906041479188/X0YmXSYYuFGsCIlZL1CQlv_GeIoIWc3S1cksX7_7_e4Onj-TjaVqNzNpf_yEZ3AJvNBM
Verdict:
Malicious
Tags:
apt APT10 Win.Malware.Tmpnstealer-10031639-0
YARA:
APT10_ChChes_lnk
Link:
https://app.threat.zone/submission/e682660c-a38b-4d8c-8484-1f6992f9708e
Unpacked files
SH256 hash:
8e3601302c0294914808b6537cd27de961d087ba0807590b981b7f8c8aa5eee6
MD5 hash:
dbbd2127d1030e4c9548fdf7de9983a7
SHA1 hash:
5b7939a94cbd908ad8f57bb2e5328cce657c3700
Link:
https://www.unpac.me/results/be15d0bf-63a6-4252-acd2-016b3c1296e0/
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/8e3601302c0294914808b6537cd27de961d087ba0807590b981b7f8c8aa5eee6

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:aix
Create hunting rule
Author:Tim Brown @timb_machine
Description:AIX binary
Rule name:APT10_ChChes_lnk
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:LNK malware ChChes downloader
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_Crypto_Wallet_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing cryptocurrency wallet regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox system UUIDs
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_VM_Evasion_MACAddrComb
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing virtualization MAC addresses
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:Macos_Infostealer_Wallets_8e469ea0
Create hunting rule
Author:Elastic Security
Rule name:MALW_JS_PirateStealerPKG
Create hunting rule
Author:skyeto
Description:PirateStealer Malware
Reference:https://twitter.com/skyetothefox/status/1444442313367998467
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multi_Generic_Threat_19854dc2
Create hunting rule
Author:Elastic Security
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

BlankGrabber

Executable exe dc23f531b2e23535601968a1453a45565c9214264d4ef3d016c0a983ed720c30

SkuldStealer

Executable exe 8e3601302c0294914808b6537cd27de961d087ba0807590b981b7f8c8aa5eee6

(this sample)

  
Link
https://tria.ge/241117-l9pd2axerf
  
Dropped by
SHA256 dc23f531b2e23535601968a1453a45565c9214264d4ef3d016c0a983ed720c30
  
Delivery method
Other
  
Dropped by
MD5 7d207c243b33d6f3d78acadffd95ae0e

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::GetSystemDirectoryA

Comments