MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31dc48b6c89b00fffa7e3377584085558cc79bec167ba7143cc75915696369e7. 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



Nymaim


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 31dc48b6c89b00fffa7e3377584085558cc79bec167ba7143cc75915696369e7
SHA3-384 hash: 699038596200f4d579d5b1b945e32efa5bcb68bf8f2ec9bfb7a06befad5988e4fa68102c3b32ffeeb6c910b8927c1c34
SHA1 hash: 484e593d6f0410027ec108a670a0f2e4b112244a
MD5 hash: 24fd69187bd9cb0bfbae4c051db9e658
humanhash: salami-arizona-twelve-diet
File name:file
Download: download sample
Signature Nymaim
File size:2'008'064 bytes
First seen:2024-11-30 15:40:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:lilRiZSDkSe/03fv9HsyW1n6RIs1QNvIZnGZ:VZR/8qy8UlG1IVG
Threatray 1 similar samples on MalwareBazaar
TLSH T1CD953310BCD66576EC0364B3C509060B571A714DB6FC28EA9B90E89A3BF787D3B910F6
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon eea3998aa6d2a990 (33 x Nymaim, 1 x GCleaner)
Reporter Bitsight
Tags:exe NyMaim


Avatar
Bitsight
url: http://31.41.244.11/files/unique2/random.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
427
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-11-30 15:46:27 UTC
Tags:
themida gcleaner loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
vmdetect virus zusy hype
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed packed packer_detected
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Yara detected Nymaim
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.LockbitCrypt
Status:
Malicious
First seen:
2024-11-30 15:41:05 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1e655101d162ea4b063aecb7a7e1731689a62803696e9b52dc18c154b683c5da
MD5 hash:
6a045284e0d4ce3775659c30d7eb98db
SHA1 hash:
7f92911e613ca1eca3514229551a1d5dc1a768f3
SH256 hash:
31dc48b6c89b00fffa7e3377584085558cc79bec167ba7143cc75915696369e7
MD5 hash:
24fd69187bd9cb0bfbae4c051db9e658
SHA1 hash:
484e593d6f0410027ec108a670a0f2e4b112244a
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:pe_detect_tls_callbacks
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: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.

Web download

Nymaim

Executable exe 31dc48b6c89b00fffa7e3377584085558cc79bec167ba7143cc75915696369e7

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments