MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c89c8a2ec7d0da083703bd095ba75a8656ae9fd1ffa08b26c8e43d6d04e468c9. 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



LummaStealer


Vendor detections: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: c89c8a2ec7d0da083703bd095ba75a8656ae9fd1ffa08b26c8e43d6d04e468c9
SHA3-384 hash: efec313683de559bae4b7f802a64f7d137309278303084aef68a4ef2ecc3484c4cfbeea3810da3d4d843047c3522022c
SHA1 hash: 492305491185a6114ef915ff3b5f705c5facd086
MD5 hash: b1becdbff2a34334ae4ff5f387115ec3
humanhash: double-nuts-fillet-eleven
File name:b1becdbff2a34334ae4ff5f387115ec3.exe
Download: download sample
Signature LummaStealer
File size:45'568 bytes
First seen:2024-12-12 20:30:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:Orn01NSVwafevGHkiV++I1gqDnJuuAuznQVLNvxu0BvkwIt6BcN4fe3Xn:Or01N7aeGEk+11Tu9AnQVLNppvk9RN4e
TLSH T10F23695171FEA029D5B7EBB5BEDDACEDC89E5971182C649700C1928B4B20FE0EA43D34
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
448
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Captcha.hta
Verdict:
Malicious activity
Analysis date:
2024-12-12 06:53:39 UTC
Tags:
loader lumma stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
virus micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Creating a file in the %temp% subdirectories
Launching a process
Creating a process with a hidden window
Creating a file
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Sending a UDP request
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
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:
LummaC Stealer
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Compiles code for process injection (via .Net compiler)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-12-12 10:37:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
lummastealer
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Downloads MZ/PE file
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
Verdict:
Suspicious
Tags:
lumma Lumma_Stealer Stealer c2
YARA:
n/a
Unpacked files
SH256 hash:
6369b72874cabde022f395bbff1d2cb04da2d541497ec14b4dccf400a4dcc1fa
MD5 hash:
817c0c32eb2ef85c9f90d9cd1db9c2c4
SHA1 hash:
952e3ecfc65d1cf29e6d5f697364818f55677e81
SH256 hash:
c89c8a2ec7d0da083703bd095ba75a8656ae9fd1ffa08b26c8e43d6d04e468c9
MD5 hash:
b1becdbff2a34334ae4ff5f387115ec3
SHA1 hash:
492305491185a6114ef915ff3b5f705c5facd086
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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.

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