MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d39556f50417a0d12048f1bc78adaf49f077bad34e1ab6f20a55e5cd3ed4414f. 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



44CaliberStealer


Vendor detections: 14


Intelligence 14 IOCs YARA 29 File information Comments

SHA256 hash: d39556f50417a0d12048f1bc78adaf49f077bad34e1ab6f20a55e5cd3ed4414f
SHA3-384 hash: b1aa1d8e662f1749f0626b748f616bb294103b7a6cbe17810398fcbc5069d5484b6d4711fddc19fba1918a85a0b27532
SHA1 hash: 92ad0224bc6d66da8b1ffee7abb1f9f72387da75
MD5 hash: 30bc102e37e9587c281657007a2dec92
humanhash: may-black-zebra-moon
File name:30bc102e37e9587c281657007a2dec92.exe
Download: download sample
Signature 44CaliberStealer
File size:16'885'583 bytes
First seen:2025-06-17 05:47:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 319b1edcc4538be377f43066c635ffef (8 x RedLineStealer, 2 x njrat, 2 x 44CaliberStealer)
ssdeep 393216:+VpChdiBdSf2QX5pXWmoFXk7bJJ+MP9S8:+VIhJ2o5pfoFIbKq
Threatray 85 similar samples on MalwareBazaar
TLSH T11C073361FBE150B1CB93483E5AE647748DA83F306B5149DF1B44281E5E309E27E3A37A
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 01818181818191d8 (1 x 44CaliberStealer)
Reporter abuse_ch
Tags:44CaliberStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
423
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
30bc102e37e9587c281657007a2dec92.exe
Verdict:
Malicious activity
Analysis date:
2025-06-17 06:49:30 UTC
Tags:
evasion stealer

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for analyzing tools
Reading critical registry keys
Creating a file
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto expired-cert fingerprint hacktool microsoft_visual_cc nanocore overlay overlay packed packed packer_detected
Malware family:
Sharp Stealer
Verdict:
Malicious
Result
Threat name:
44Caliber Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
PE file has nameless sections
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect the country of the analysis system (by using the IP)
Tries to evade analysis by execution special instruction (VM detection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected 44Caliber Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1716103 Sample: 1kSwqLzm2D.exe Startdate: 17/06/2025 Architecture: WINDOWS Score: 100 36 freegeoip.app 2->36 38 ipbase.com 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 48 5 other signatures 2->48 8 1kSwqLzm2D.exe 9 2->8         started        signatures3 46 Tries to detect the country of the analysis system (by using the IP) 36->46 process4 file5 26 C:\Users\user\AppData\Local\...26ursultan.exe, PE32+ 8->26 dropped 28 C:\Users\...\Insiddious_protected.sfx.exe, PE32 8->28 dropped 11 Insiddious_protected.sfx.exe 8 8->11         started        15 Nursultan.exe 2 8->15         started        process6 file7 30 C:\Users\user\...\Insiddious_protected.exe, PE32 11->30 dropped 58 Multi AV Scanner detection for dropped file 11->58 17 Insiddious_protected.exe 15 46 11->17         started        60 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 15->60 62 Query firmware table information (likely to detect VMs) 15->62 64 Tries to evade analysis by execution special instruction (VM detection) 15->64 66 Found direct / indirect Syscall (likely to bypass EDR) 15->66 22 conhost.exe 15->22         started        signatures8 process9 dnsIp10 32 freegeoip.app 104.21.48.1, 443, 49715 CLOUDFLARENETUS United States 17->32 34 ipbase.com 172.67.209.71, 443, 49716 CLOUDFLARENETUS United States 17->34 24 C:\Users\...\Insiddious_protected.exe.log, ASCII 17->24 dropped 50 Antivirus detection for dropped file 17->50 52 Multi AV Scanner detection for dropped file 17->52 54 Detected unpacking (changes PE section rights) 17->54 56 6 other signatures 17->56 file11 signatures12
Threat name:
Win32.Trojan.ProtectorEnigma
Status:
Malicious
First seen:
2023-12-15 20:20:51 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
44caliber
Score:
  10/10
Tags:
family:44caliber discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
44Caliber
44Caliber family
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1183721180704813099/ciMKP7GgCZpiEQakCNV88ZwDGpOoiszPJQewE4WjQ3xvSutXSHotLzW64s5OuBmB5yKa
Verdict:
Malicious
Tags:
Win.Packed.Bladabindi-10017056-0
YARA:
n/a
Unpacked files
SH256 hash:
d39556f50417a0d12048f1bc78adaf49f077bad34e1ab6f20a55e5cd3ed4414f
MD5 hash:
30bc102e37e9587c281657007a2dec92
SHA1 hash:
92ad0224bc6d66da8b1ffee7abb1f9f72387da75
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:Borland
Author:malware-lu
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EnigmaStub
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:growtopia
Author:Michelle Khalil
Description:This rule detects unpacked growtopia stealer malware samples.
Rule name:icarus
Author:Michelle Khalil
Description:This rule detects unpacked icarus malware samples.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:MALWARE_Win_GloomaneStealer
Author:ditekSHen
Description:Detects GloomaneStealer
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:nuso
Author:Michelle Khalil
Description:This rule detects unpacked nuso malware samples.
Rule name:pe_imphash
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
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.

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