MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 408d42bbe82ea5d8abee447060a40ff8289f4c3317022d6c0a1081c37d25b164. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 408d42bbe82ea5d8abee447060a40ff8289f4c3317022d6c0a1081c37d25b164
SHA3-384 hash: 15efa3adf9da226e9c368209e48049da3c891f12ae51565c2c262f4802fa21312ac40b3057c878f706a9877ad9eb31d1
SHA1 hash: 533fcc44583bb2f952cd76e7eeac1cab65de915f
MD5 hash: ef243115db5fd87673b93a350bfc68f4
humanhash: mobile-fanta-nineteen-stream
File name:Enquiry files1_3.exe
Download: download sample
Signature Formbook
File size:255'483 bytes
First seen:2021-10-22 01:52:31 UTC
Last seen:2021-10-22 03:03:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:wBlL/cfBEIt4tl9u58/YK3zX27E1NQLv4gxrL6QE1/ytmnv7YC:CefiPuOgKjXVNsQgxrL9E19nv7X
Threatray 11'017 similar samples on MalwareBazaar
TLSH T14F44137261D0886FD4D31EF258BB973EE7B5C70894704B8F4BB06D6A6C3A2C2B6051D5
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
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
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 dropped file
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 507395 Sample: Enquiry files1_3.exe Startdate: 22/10/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 Enquiry files1_3.exe 17 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\mtpoerkl.dll, PE32 10->28 dropped 58 Injects a PE file into a foreign processes 10->58 14 Enquiry files1_3.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.3v0.space 91.195.240.94, 49781, 80 SEDO-ASDE Germany 17->30 32 www.era636.com 165.32.109.217, 80 RSAWEB-ASZA United States 17->32 34 13 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Performs DNS queries to domains with low reputation 17->46 48 Uses ipconfig to lookup or modify the Windows network settings 17->48 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 50 Self deletion via cmd delete 21->50 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2021-10-21 23:43:44 UTC
AV detection:
15 of 44 (34.09%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ga6b loader rat
Behaviour
Enumerates system info in registry
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
Malware Config
C2 Extraction:
http://www.egyptian-museum.com/ga6b/
Unpacked files
SH256 hash:
408d42bbe82ea5d8abee447060a40ff8289f4c3317022d6c0a1081c37d25b164
MD5 hash:
ef243115db5fd87673b93a350bfc68f4
SHA1 hash:
533fcc44583bb2f952cd76e7eeac1cab65de915f
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 408d42bbe82ea5d8abee447060a40ff8289f4c3317022d6c0a1081c37d25b164

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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