MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7453dd1dd7a3bc047e597294fcd24d36da1e1acd723d7fca1f4a44fa082b114b. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 7453dd1dd7a3bc047e597294fcd24d36da1e1acd723d7fca1f4a44fa082b114b
SHA3-384 hash: 940f898bd79c77aad0351f41754eb0268f3b64dd83ce11de1aeb97574fe74a0fc2574e6e4bafb6e6b2d7f7ce33fe04aa
SHA1 hash: 8727bc9087829b7cb0fc5a8c8030a3466be13470
MD5 hash: 746b84d967447de29fd576e0357dc889
humanhash: comet-mountain-utah-montana
File name:ryfAIJHmKETyAPz.exe
Download: download sample
Signature Formbook
File size:677'376 bytes
First seen:2021-09-13 21:17:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:l5RpSPqyHVW/5HjjNpAzOX2BnWLtz07GTbm8DJl5fqNBgAJld68nQG8J:SW/dfDIA2BnYz07GPmGDYbJH68K
Threatray 9'214 similar samples on MalwareBazaar
TLSH T156E46A193E4296B6C83C0BBEC67843C4E23D6C532F30E27D2BB576A916F328D455D1A6
dhash icon 71f0f8ccccf0f071 (12 x AgentTesla, 4 x Formbook, 4 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ryfAIJHmKETyAPz.exe
Verdict:
Malicious activity
Analysis date:
2021-09-13 21:18:51 UTC
Tags:
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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 482613 Sample: ryfAIJHmKETyAPz.exe Startdate: 13/09/2021 Architecture: WINDOWS Score: 100 33 www.telecomfashion.com 2->33 35 parking.namesilo.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 ryfAIJHmKETyAPz.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\ryfAIJHmKETyAPz.exe.log, ASCII 11->31 dropped 59 Writes to foreign memory regions 11->59 61 Injects a PE file into a foreign processes 11->61 15 MSBuild.exe 11->15         started        18 MSBuild.exe 11->18         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 20 explorer.exe 15->20 injected 71 Tries to detect virtualization through RDTSC time measurements 18->71 process9 dnsIp10 37 www.balancedgamer.com 91.195.240.87, 49777, 80 SEDO-ASDE Germany 20->37 39 www.dichvulikesub.net 72.52.178.23, 49786, 80 LIQUIDWEBUS United States 20->39 41 12 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 cmstp.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-09-13 21:17:05 UTC
AV detection:
7 of 41 (17.07%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:p90g loader rat
Behaviour
Modifies registry class
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
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.safewaterlocations.info/p90g/
Unpacked files
SH256 hash:
628b5104a76993e4afde5f148c61610517893ee24220ef1a14c1829afe577c9a
MD5 hash:
03bc275645d504cb63674a0ad01e527d
SHA1 hash:
245d9741b3288a906f0eb5829500ee4936b61b2b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
787b0486bda6908f13ae12c2bfd00c75882a8a422925f38d95c83261d571f7e3
MD5 hash:
118e81abebb3f1032d17419e8283caff
SHA1 hash:
bbbdca6d107b80e030d44c90873f0441cfd0ab59
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
7453dd1dd7a3bc047e597294fcd24d36da1e1acd723d7fca1f4a44fa082b114b
MD5 hash:
746b84d967447de29fd576e0357dc889
SHA1 hash:
8727bc9087829b7cb0fc5a8c8030a3466be13470
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: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 7453dd1dd7a3bc047e597294fcd24d36da1e1acd723d7fca1f4a44fa082b114b

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments