MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd73ad131c83be14fbbd0a852f0410189da8cfa043a84f343acb2f3f3ed07458. 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: bd73ad131c83be14fbbd0a852f0410189da8cfa043a84f343acb2f3f3ed07458
SHA3-384 hash: 861e97b8bfe51fa1198a50c971a5d3700b8215c2a5c25b7101f66e30bb7a96a56cb846f14ad5d1bd2d988dfadcab8cfa
SHA1 hash: 8f4f558d212346e65816fa47b9402c57b1cf3219
MD5 hash: 5b1d19fbcd271cbda1b490621e4e4410
humanhash: finch-vegan-skylark-cat
File name:KS8siMUTE5e1x6h.exe
Download: download sample
Signature Formbook
File size:739'840 bytes
First seen:2021-02-23 07:23:20 UTC
Last seen:2021-02-23 08:45:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:xVTE6gJIwmKPe/iJaPHjjYRDKEkFPfSm4rBE6n:x5gOw/PUPDjGIfSVr9
Threatray 3'880 similar samples on MalwareBazaar
TLSH 0CF43A1163F48614FABA2BB1987FCE702B767C96A838D25C1EC535DF2EB17408961723
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: business109-5.web-hosting.com
Sending IP: 162.0.215.175
From: Thawe Marine Pte Ltd <enquires@shineone.me>
Subject: SOA - Payment Request - THAWE MARINE
Attachment: SOA.zip (contains "KS8siMUTE5e1x6h.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
UNKNOWN
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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 356485 Sample: KS8siMUTE5e1x6h.exe Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 31 www.blukrab.com 2->31 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 4 other signatures 2->43 11 KS8siMUTE5e1x6h.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\KS8siMUTE5e1x6h.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 KS8siMUTE5e1x6h.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.grooveffunnels.com 192.64.119.253, 49747, 80 NAMECHEAP-NETUS United States 18->33 35 www.eliteclubpremier.net 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-02-23 07:24:31 UTC
AV detection:
10 of 48 (20.83%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.photodial.com/ghn/
Unpacked files
SH256 hash:
86afa178c633055f31c1ef57561fdd777f9ae4fa2983c79af1a04df499b42569
MD5 hash:
49acfa0e51e5d8346e7f6d061bf78701
SHA1 hash:
774db93fad21c806396dae5ea53df6ab0b4f2bfb
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
787dab1fbf12e79b536588d954da88ac26357479761a63dfa2fb1ca32caea9b5
MD5 hash:
6ac662a4c5ca7a7cace8cb81d69e2b98
SHA1 hash:
8a0d749d641ce1eb91628a1a69a50892100c22d0
SH256 hash:
f0a09c48af16c079c37ad0914f18897976357981fe5ee6f556ab9f9f70b9a671
MD5 hash:
f984a71581f6da5732110be2a569a392
SHA1 hash:
10de05b6b35fc5dbc00c42d59a4b850bcaae01e6
SH256 hash:
bd73ad131c83be14fbbd0a852f0410189da8cfa043a84f343acb2f3f3ed07458
MD5 hash:
5b1d19fbcd271cbda1b490621e4e4410
SHA1 hash:
8f4f558d212346e65816fa47b9402c57b1cf3219
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_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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:RSharedStrings
Author:Katie Kleemola
Description:identifiers for remote and gmremote

File information


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

Malspam

Formbook

Executable exe bd73ad131c83be14fbbd0a852f0410189da8cfa043a84f343acb2f3f3ed07458

(this sample)

  
Delivery method
Distributed via e-mail attachment

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