MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 23047bb5524e4fd1a3d495497903f5014d66bbec5852de053270ccd06193faf5. 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
Smoke Loader
Vendor detections: 12
| SHA256 hash: | 23047bb5524e4fd1a3d495497903f5014d66bbec5852de053270ccd06193faf5 |
|---|---|
| SHA3-384 hash: | f894b8eeddd912d6af1602231a62ee880bb1aee2a6a0ba09da62d963b34e53d4fbac7115334cc6969c0eea0a05c2d235 |
| SHA1 hash: | f8b9823bf5c44759d76e40783ca71de499c261d8 |
| MD5 hash: | d8a34898267e26baf617b17a93b2a8e7 |
| humanhash: | johnny-charlie-pasta-oklahoma |
| File name: | d8a34898267e26baf617b17a93b2a8e7 |
| Download: | download sample |
| Signature | Smoke Loader |
| File size: | 301'056 bytes |
| First seen: | 2023-11-10 14:57:25 UTC |
| Last seen: | 2023-11-10 16:17:16 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | c2f612f67ccf95e5a46ba073ff52d650 (1 x RedLineStealer, 1 x LockbitBlack, 1 x Stealc) |
| ssdeep | 3072:kzUgzUuhf9c5hgQYPau9PhMcBdYkjeqGN4pfhaL8PdrqMbnfw6tO68vSQblrGLOj:QUpuotYPzPhn3061xPdfGvTRb |
| Threatray | 42 similar samples on MalwareBazaar |
| TLSH | T189547C1352907C21EF624A318E3AF2E86E1EB5604E1526BB1F256D6FC9B05F1F27234D |
| TrID | 39.5% (.EXE) InstallShield setup (43053/19/16) 28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 9.6% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| File icon (PE): |  |
| dhash icon | 006062624e425602 (1 x Smoke Loader) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe Smoke Loader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
313
Origin country :
FRVendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Moving a file to the %temp% directory
Searching for the window
Сreating synchronization primitives
Launching a service
Changing a file
Creating a file
Delayed writing of the file
Moving a recently created file
Reading critical registry keys
Creating a file in the %AppData% directory
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Modifies multiple files
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Stealing user critical data
Forced shutdown of a browser
Encrypting user's files
Gathering data
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control greyware lolbin packed shell32
Verdict:
Malicious
Labled as:
Malware
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.
Malware family:
BlackMatter Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware, TrojanRansom
Detection:
malicious
Classification:
rans.phis.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Overwrites Mozilla Firefox settings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected LockBit ransomware
Yara detected TrojanRansom
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-11-10 14:58:04 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 32 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
ransomware spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Renames multiple (327) files with added filename extension
Renames multiple (626) files with added filename extension
Unpacked files
SH256 hash:
33d1d778bda25af3739d2e60506507ea7cf123988db32718e396510cacab26f2
MD5 hash:
7ed0e5cd5316a6fc6350d883dba08a20
SHA1 hash:
bcf3904f58812f2e54b424917d4aee8776429da6
SH256 hash:
23047bb5524e4fd1a3d495497903f5014d66bbec5852de053270ccd06193faf5
MD5 hash:
d8a34898267e26baf617b17a93b2a8e7
SHA1 hash:
f8b9823bf5c44759d76e40783ca71de499c261d8
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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