MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26a193d73c8ff03c76bab877f9a6a4d16078a09bf5abb85ab104d2d7d0685315. 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 3 File information Comments

SHA256 hash: 26a193d73c8ff03c76bab877f9a6a4d16078a09bf5abb85ab104d2d7d0685315
SHA3-384 hash: bdf218151cfa19360126653da5b540577937ed6cb3304212de5bb8b96fcce3ad5e3a7c5b55f0d3eafd0675f4246dd7d6
SHA1 hash: c519071505377de0cfda6d43c0f87e2e9eb9ac16
MD5 hash: e652575c43d712e5d3da0e2970250693
humanhash: romeo-cold-november-foxtrot
File name:binshed.exe
Download: download sample
Signature Formbook
File size:319'689 bytes
First seen:2021-11-24 14:37:36 UTC
Last seen:2021-11-24 16:48:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiVipX8SUxDj+eP1ZPlOjBSbICBDMLFhKTMNSlze4FQY:hipsS+X7TPgjBJC2L6TesXmY
Threatray 11'559 similar samples on MalwareBazaar
TLSH T19364224651C0846FC6A080351CF3C37AFBF7939581B19763C7A15FBF6EB2A818C56195
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IM3466398.zip
Verdict:
Malicious activity
Analysis date:
2021-11-24 07:08:46 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 527965 Sample: binshed.exe Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 31 www.guzhizhiliao.com 2->31 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 5 other signatures 2->43 11 binshed.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\gdltnzdu.dll, PE32 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 binshed.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.dyz42.xyz 75.126.104.246, 49752, 80 SOFTLAYERUS United States 18->33 35 www.sherellstoneson.com 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 47 Performs DNS queries to domains with low reputation 18->47 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-11-24 12:01:22 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:j1u6 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.goldenentnefetis.com/j1u6/
Unpacked files
SH256 hash:
26a193d73c8ff03c76bab877f9a6a4d16078a09bf5abb85ab104d2d7d0685315
MD5 hash:
e652575c43d712e5d3da0e2970250693
SHA1 hash:
c519071505377de0cfda6d43c0f87e2e9eb9ac16
Malware family:
FormBook
Verdict:
Malicious
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

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