MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cf9aaaa59aa894bdfd166fd72d915d1edd92d272d2deeabf66477b07e04a34c. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cf9aaaa59aa894bdfd166fd72d915d1edd92d272d2deeabf66477b07e04a34c
SHA3-384 hash: 7d1d6433088b563ae65acf96bd73c693432fd5781a76c2d4d19a8b6524a66720da6a16292dd874630fc738a2c1e97354
SHA1 hash: 082fded31ae80a75ca98ad8a539db39599de01a1
MD5 hash: 17e6d3f8d752b3f5da51ffe1b2b8243b
humanhash: fillet-wyoming-lithium-saturn
File name:8cf9aaaa59aa894bdfd166fd72d915d1edd92d272d2deeabf66477b07e04a34c
Download: download sample
File size:342'105 bytes
First seen:2024-03-27 16:14:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 945415513a1d001a8c17a55e1a5cdfd0 (1 x Metasploit)
ssdeep 6144:jMs0cJIggjOgD97HnJu+ImuJo323h3j76QBHl/2pUNgic9yL6w/DGQTqu:Is0ISjOgD97HJuau+2RhBHlepUV3L3
TLSH T14B74239BBE1A31DDCD2CD03C99E4AB6932CC95E57688F7887205EC4942361C6778E2F1
TrID 45.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.3% (.EXE) OS/2 Executable (generic) (2029/13)
18.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.0% (.EXE) DOS Executable Generic (2000/1)
Reporter Anonymous
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
369
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8cf9aaaa59aa894bdfd166fd72d915d1edd92d272d2deeabf66477b07e04a34c.exe
Verdict:
Suspicious activity
Analysis date:
2024-03-27 16:16:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1234aa1c-a336-4191-91bb-bf1118f4eaea

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

Behaviour
Creating a file in the Windows directory
Delayed reading of the file
Creating a file in the %temp% directory
Creating a service
Launching a service
Launching a process
Сreating synchronization primitives
Sending a UDP request
Adding an access-denied ACE
DNS request
Connection attempt
Sending an HTTP POST request
Creating a window
Sending an HTTP GET request
Creating a file in the system32 subdirectories
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Loading a system driver
Adding a root certificate
Creating a file
Changing a file
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Replacing files
Possible injection to a system process
Enabling autorun for a service
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm overlay packed packed packed upx
Link:
https://www.filescan.io/uploads/6604460a1c5277edcec22316/reports/f2c0f8f7-8d80-4132-a7e6-d63a8930b6d4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8cf9aaaa59aa894bdfd166fd72d915d1edd92d272d2deeabf66477b07e04a34c
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:
Malicious
Link:
https://analyze.intezer.com/analyses/0fed6b77-c27f-47cb-a901-7a598af6f1b8
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1416617
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Creates files in the system32 config directory
Deletes itself after installation
Detected VMProtect packer
Drops password protected ZIP file
Extracts suspicious resources from PE file (packer detected)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
NDIS Filter Driver detected (likely used to intercept and sniff network traffic)
Potentially malicious time measurement code found
Sample is not signed and drops a device driver
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8cf9aaaa59aa894bdfd166fd72d915d1edd92d272d2deeabf66477b07e04a34c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cf9aaaa59aa894bdfd166fd72d915d1edd92d272d2deeabf66477b07e04a34c/
Threat name:
Win64.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2024-02-04 10:31:25 UTC
File Type:
PE+ (Exe)
Extracted files:
5
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rt42vkszvkeuxx6rm36xfwiv2hw5sljhfuw65k7wmr33a7qeunga._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence upx vmprotect
Link:
https://tria.ge/reports/240327-tp8k6sba71/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: LoadsDriver
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Deletes itself
Loads dropped DLL
UPX packed file
VMProtect packed file
Sets DLL path for service in the registry
Sets service image path in registry
Unpacked files
SH256 hash:
53f9817f0d30f04fc8f7c2ac8a43fa283f4d5977592ca71a2a6281ef4acc6d24
MD5 hash:
4a14c430842e8bfcf5bc884186fab07f
SHA1 hash:
1a5a973b167ac8b637c8791d7c0f4af7b8b8c33e
Link:
https://www.unpac.me/results/e116a2b7-8cce-449d-bbec-4ee2069e5315/
SH256 hash:
8cf9aaaa59aa894bdfd166fd72d915d1edd92d272d2deeabf66477b07e04a34c
MD5 hash:
17e6d3f8d752b3f5da51ffe1b2b8243b
SHA1 hash:
082fded31ae80a75ca98ad8a539db39599de01a1
Link:
https://www.unpac.me/results/e116a2b7-8cce-449d-bbec-4ee2069e5315/
Malware family:
Winnti Group
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8cf9aaaa59aa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8cf9aaaa59aa894bdfd166fd72d915d1edd92d272d2deeabf66477b07e04a34c

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:RAN_Rook_Dec_2021_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect Rook ransomware
Reference:Internal Research
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

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
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments