MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8352baa0192f9bdbf7b0d47d76f9b592ba602ea001fdc21e281899eb3209a6c. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: c8352baa0192f9bdbf7b0d47d76f9b592ba602ea001fdc21e281899eb3209a6c
SHA3-384 hash: 821cbfa60095147e68b5f255da2e7631deb1172efd4daa9df8f017965c2dd5cdc3f153efa93b915a30c3179f23890148
SHA1 hash: a1dd38defe16dc78055f06f4ae7427a9f0c6a5cf
MD5 hash: e1685e62827387c7f34e2b2198d0e5f7
humanhash: papa-white-may-bakerloo
File name:SWIFT DOCUMENT COPY.exe
Download: download sample
Signature Formbook
File size:472'064 bytes
First seen:2021-11-11 03:59:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:RyfeeboeUdNa5LEZQv77AdItCCE+BL+5V71wMbnQ5iwDcH+trLyAHmP5:VeUdNa5LEZQz7yJ1/Q5UYrZHw5
Threatray 7'145 similar samples on MalwareBazaar
TLSH T10AA43B2C3B410AE2ED1DB03B4D160A08BB668F172240AA8277DB69C7DF5F3B65D15DA4
File icon (PE):PE icon
dhash icon 40e0aa8af0ecd6ca (7 x SnakeKeylogger, 2 x Formbook, 1 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated 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
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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 delay execution (extensive OutputDebugStringW loop)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 519736 Sample: SWIFT DOCUMENT COPY.exe Startdate: 11/11/2021 Architecture: WINDOWS Score: 100 34 www.ackl.ink 2->34 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 11 SWIFT DOCUMENT COPY.exe 2 2->11         started        signatures3 process4 signatures5 52 Writes to foreign memory regions 11->52 54 Injects a PE file into a foreign processes 11->54 14 vbc.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 2 other signatures 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.roadsidefarmers.com 74.220.199.6, 49815, 80 UNIFIEDLAYER-AS-1US United States 17->28 30 www.corajevedrai.quest 37.123.118.150, 49814, 80 UK2NET-ASGB United Kingdom 17->30 32 7 other IPs or domains 17->32 36 System process connects to network (likely due to code injection or exploit) 17->36 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Zilla
Status:
Malicious
First seen:
2021-11-11 04:00:06 UTC
AV detection:
15 of 41 (36.59%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:upwd 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
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.freepornlikes.com/upwd/
Unpacked files
SH256 hash:
bf4d44644ac8b3c599ac85421f25acbb8175eca8f0baba5029113f14b865ae00
MD5 hash:
1c9239bd3b0234a47ba468500843de10
SHA1 hash:
e50102781b245f003fa9307e2d650bc26ad272d1
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
c8352baa0192f9bdbf7b0d47d76f9b592ba602ea001fdc21e281899eb3209a6c
MD5 hash:
e1685e62827387c7f34e2b2198d0e5f7
SHA1 hash:
a1dd38defe16dc78055f06f4ae7427a9f0c6a5cf
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:INDICATOR_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe c8352baa0192f9bdbf7b0d47d76f9b592ba602ea001fdc21e281899eb3209a6c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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