MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c6441d2f5e108a63524430674b8f711cc7b218a2a06fa2c43e24b1de1d76088. 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: 8c6441d2f5e108a63524430674b8f711cc7b218a2a06fa2c43e24b1de1d76088
SHA3-384 hash: 33c7813c03716ca7a73ec53c0e426dbe881cd637417426a8fff236919eb006a46bde8cfb21453cff6f279e16888de61b
SHA1 hash: 6bc55e609f4d66d20ad190408d854a015f1d7aa6
MD5 hash: f2ad6cf09ec9872ba9180e069aadbfbd
humanhash: september-low-undress-cold
File name:Purchase Order # 1014397-18NA.exe
Download: download sample
Signature Formbook
File size:760'757 bytes
First seen:2021-12-05 11:37:26 UTC
Last seen:2021-12-07 10:03:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:IJuhG9DyRN4kjNOyN47So/mdrBNpufx5GC3kHhQN:KutO+qb/ArBNpu+C3kHW
Threatray 12'223 similar samples on MalwareBazaar
TLSH T1D5F46BA26C839981FB8C0972D16A8D354723FF760D01596F52733E2D3E670C2EBA6716
File icon (PE):PE icon
dhash icon 488f334276e96c60 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order # 1014397-18NA.exe
Verdict:
Malicious activity
Analysis date:
2021-12-05 11:38:34 UTC
Tags:
installer trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
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.
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 534170 Sample: Purchase Order # 1014397-18NA.exe Startdate: 05/12/2021 Architecture: WINDOWS Score: 100 31 www.camposfinejewelry.com 2->31 33 camposfinejewelry.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 11 Purchase Order # 1014397-18NA.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\ubnjje.dll, PE32 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Purchase Order # 1014397-18NA.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 35 southgate-software.com 81.169.145.66, 49849, 80 STRATOSTRATOAGDE Germany 18->35 37 www.sunpanpan.xyz 168.138.203.38, 49847, 80 ORACLE-BMC-31898US United States 18->37 39 14 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2021-12-05 09:37:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 28 (71.43%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:a6hs loader rat suricata
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.tejpalmeet.com/a6hs/
Unpacked files
SH256 hash:
8c6441d2f5e108a63524430674b8f711cc7b218a2a06fa2c43e24b1de1d76088
MD5 hash:
f2ad6cf09ec9872ba9180e069aadbfbd
SHA1 hash:
6bc55e609f4d66d20ad190408d854a015f1d7aa6
Malware family:
XLoader
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.

Malspam

Formbook

Executable exe 8c6441d2f5e108a63524430674b8f711cc7b218a2a06fa2c43e24b1de1d76088

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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