MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d4f545691c8441b5bcb86535b1d0fd16dc06786eb4080087588cd4d0f388d5ca. 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
Threat unknown
Vendor detections: 7
| SHA256 hash: | d4f545691c8441b5bcb86535b1d0fd16dc06786eb4080087588cd4d0f388d5ca |
|---|---|
| SHA3-384 hash: | 7af61cd7084554313f2152d7decd178af81346da8c9f76806387e5e22a5f2337ff490271d8585d907ceb77b74686d848 |
| SHA1 hash: | 7b6ee77b31561d5d1ce924c28f8e6853dcbf59f1 |
| MD5 hash: | 33b9d824c3bcaa9edde14b2eee238d35 |
| humanhash: | idaho-thirteen-winter-purple |
| File name: | installer.exe |
| Download: | download sample |
| File size: | 6'656'000 bytes |
| First seen: | 2023-04-04 15:58:49 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ba5546933531fafa869b1f86a4e2a959 (10 x DCRat, 3 x RedLineStealer, 2 x RemcosRAT) |
| ssdeep | 196608:jozKCnCsXDjDyfeNJm3AqkdJolpPgToab:MzKcCEDd/m3paJ83ab |
| Threatray | 175 similar samples on MalwareBazaar |
| TLSH | T1C966338A97E109EDEC67A13EDD568907DAA13C2B0354C38B02A5175B6F375B21C3BF12 |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| File icon (PE): |  |
| dhash icon | 182b4d5d84f0f0b2 (9 x Formbook, 8 x AgentTesla, 6 x RemcosRAT) |
| Reporter |  sans_isc |
| Tags: | backdoor efile.com exe |
sans_isc
JavaScript on efile.com sent victims to a fake error page asking them to download this "browser update". This file was offered to Firefox users. A similar file (update.exe) was offered to Chrome users.Intelligence
File Origin
# of uploads :
1
# of downloads :
316
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
installer-firefox.exe
Verdict:
No threats detected
Analysis date:
2023-04-04 08:35:05 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Sending a custom TCP request
Result
Malware family:
n/a
Score:
6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
greyware overlay packed
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.
Verdict:
Unknown
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 165 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
3/10
Tags:
pyinstaller
Unpacked files
SH256 hash:
d4f545691c8441b5bcb86535b1d0fd16dc06786eb4080087588cd4d0f388d5ca
MD5 hash:
33b9d824c3bcaa9edde14b2eee238d35
SHA1 hash:
7b6ee77b31561d5d1ce924c28f8e6853dcbf59f1
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: | PyInstaller |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies executable converted using PyInstaller. |
| Rule name: | Suspicious_Macro_Presence |
|---|---|
| Author: | Mehmet Ali Kerimoglu (CYB3RMX) |
| Description: | This rule detects common malicious/suspicious implementations. |
| Rule name: | upxHook |
|---|---|
| Author: | @r3dbU7z |
| Description: | Detect artifacts from 'upxHook' - modification of UPX packer |
| Reference: | https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
exe d4f545691c8441b5bcb86535b1d0fd16dc06786eb4080087588cd4d0f388d5ca
(this sample)
Delivery method
Distributed via web download
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