MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc65788b0b15cdee3e9c1f9fc6dd4e5ed6d2f7148dee2cf067165fa82d0bda10. 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



Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash: cc65788b0b15cdee3e9c1f9fc6dd4e5ed6d2f7148dee2cf067165fa82d0bda10
SHA3-384 hash: e66c99948f785929e301bcc01ec74a995f5853cb239ef22ce5b987a2606a2a3a1b044fdf0263c1aaedf08cd70f68a09a
SHA1 hash: f4bda3ce1bfd4397866259dcfa3ae551d58e57ae
MD5 hash: 072ec75dfcb4bc9a307338d082fcacd1
humanhash: island-cold-hamper-jig
File name:xloader.exe
Download: download sample
Signature Formbook
File size:294'400 bytes
First seen:2025-09-17 12:52:13 UTC
Last seen:2025-09-30 13:05:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:fui55dE0CEFP3DFOqWJfwe/6Uw2lM/gBwITaliMqdlv/+Va:/LdE0CS3DFOqefweE2VOImY
Threatray 1'198 similar samples on MalwareBazaar
TLSH T1AA54235D73085A7FD19C02B22C2771D8D4520B3B9F881B6B0E1AAE6FEF98230474562F
TrID 35.7% (.EXE) Win32 Executable (generic) (4504/4/1)
16.3% (.ICL) Windows Icons Library (generic) (2059/9)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.8% (.EXE) Generic Win/DOS Executable (2002/3)
15.8% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter James_inthe_box
Tags:exe FormBook gooder-bar

Intelligence


File Origin
# of uploads :
3
# of downloads :
104
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
xloader.exe
Verdict:
Malicious activity
Analysis date:
2025-09-17 13:10:18 UTC
Tags:
formbook xloader

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

Behaviour
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc obfuscated overlay packed packed packer_detected
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-17T11:17:00Z UTC
Last seen:
2025-09-17T11:17:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-09-16 23:21:09 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
cc65788b0b15cdee3e9c1f9fc6dd4e5ed6d2f7148dee2cf067165fa82d0bda10
MD5 hash:
072ec75dfcb4bc9a307338d082fcacd1
SHA1 hash:
f4bda3ce1bfd4397866259dcfa3ae551d58e57ae
SH256 hash:
713e6ca13aa263d0f40a3e53f07fa12bfc83c356f9bd93c95f1f4f8af146c652
MD5 hash:
9cfa1597f1983ff148c787f7c14ee62f
SHA1 hash:
a7aa8f189a90939bce0ef73790196219629d4bb6
Detections:
win_formbook_g0
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments