MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b11c921e5383232009985b5912967978ae269287359f9c1718c2b37e1a067f8. 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 1 File information Comments

SHA256 hash: 7b11c921e5383232009985b5912967978ae269287359f9c1718c2b37e1a067f8
SHA3-384 hash: 1f9cba5e02846cabd34c840b396491a938ed52f561569a29426dfa1b756f39c9606382c075ca6750bfb445a95ab864fb
SHA1 hash: 71cbdf414878dedcbd6de44dc2d93ed1abcd3539
MD5 hash: 766e7c6cf024010e5cf47546ca86587f
humanhash: hotel-triple-eight-enemy
File name:payment advice0272110.exe
Download: download sample
Signature Formbook
File size:255'082 bytes
First seen:2021-10-27 09:52:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:wBlL/cwGRYxEKkOWeyPDZOtzFmnaDpXn0e4gRh80w8gT:CewGSi0WLPMAnMXrRJw8a
TLSH T19444123732C8A12BD1960671DB7767A4DBBAF1151E34BE8B07909F6B3B9C0C6D4066C1
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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)
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: 510026 Sample: payment advice0272110.exe Startdate: 27/10/2021 Architecture: WINDOWS Score: 100 31 www.ludrp.com 2->31 33 ludrp.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Detected unpacking (changes PE section rights) 2->45 47 6 other signatures 2->47 11 payment advice0272110.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\cdjzheqre.dll, PE32 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 payment advice0272110.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.mamenivlhcim.quest 37.123.118.150, 49840, 80 UK2NET-ASGB United Kingdom 18->35 37 www.fecom.online 54.38.220.85, 49818, 80 OVHFR France 18->37 39 15 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 wscript.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 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-10-27 09:53:05 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:anab loader persistence rat spyware stealer
Behaviour
Modifies Internet Explorer settings
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
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.atawassol.com/anab/
Unpacked files
SH256 hash:
7b11c921e5383232009985b5912967978ae269287359f9c1718c2b37e1a067f8
MD5 hash:
766e7c6cf024010e5cf47546ca86587f
SHA1 hash:
71cbdf414878dedcbd6de44dc2d93ed1abcd3539
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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Malspam

Formbook

Executable exe 7b11c921e5383232009985b5912967978ae269287359f9c1718c2b37e1a067f8

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments