MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b700d1d5f08a646921a397536bc682cac763ba61e86d0700023abedd275fff9. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 9b700d1d5f08a646921a397536bc682cac763ba61e86d0700023abedd275fff9
SHA3-384 hash: 45d8fc1dd2a6604e83791f9578deeb1a4cea298b4106f9ec23c42ffb239da992d24ddf3becbc845ff01b956d73aeaf95
SHA1 hash: 8d76fed96165f3718f383882b71bd2da17a3c07f
MD5 hash: 64e68e40a10ab18a7b3e15b68e2d6449
humanhash: four-artist-magazine-shade
File name:нова поръчка.exe
Download: download sample
Signature Formbook
File size:701'440 bytes
First seen:2020-12-02 09:16:58 UTC
Last seen:2020-12-02 10:50:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:JuaoEEe+U2qPVGNbTuMuKBD7hpvA2DJm8nW/AjXT//VXAa8vR4N:JZHlST0sDdtNmWW/6XBXXeRw
Threatray 2'994 similar samples on MalwareBazaar
TLSH 72E45C399E985A39F57B977CC5A02144ABADB7D3E707CC9C2CB601CD0B23E4299C153A
Reporter abuse_ch
Tags:BGR exe FormBook geo


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: host2.himbimarket.com
Sending IP: 72.52.244.66
From: Valeri Petrunov <ricambi@monguzzi.net>
Subject: Re: Re: заявка за оферта спешно
Attachment: нова поръчка.zip (contains "нова поръчка.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Allocates memory in foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 325789 Sample: #U043d#U043e#U0432#U0430 #U... Startdate: 02/12/2020 Architecture: WINDOWS Score: 100 37 www.affluentmentoring.com 2->37 39 g.msn.com 2->39 47 Malicious sample detected (through community Yara rule) 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 Yara detected AntiVM_3 2->51 53 6 other signatures 2->53 11 #U043d#U043e#U0432#U0430 #U043f#U043e#U0440#U044a#U0447#U043a#U0430.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\...\tmp468A.tmp, XML 11->33 dropped 35 C:\Users\user\AppData\Roaming\cSzIEAAF.exe, PE32 11->35 dropped 63 Writes to foreign memory regions 11->63 65 Allocates memory in foreign processes 11->65 67 Injects a PE file into a foreign processes 11->67 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 2 other signatures 15->75 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 cleantons.com 34.98.99.30, 49750, 80 GOOGLEUS United States 20->41 43 www.secretary.store 104.24.105.209, 49752, 80 CLOUDFLARENETUS United States 20->43 45 3 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 26 rundll32.exe 20->26         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 26->57 59 Maps a DLL or memory area into another process 26->59 61 Tries to detect virtualization through RDTSC time measurements 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2020-12-02 09:17:06 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.kumcal.com/fs8/
Unpacked files
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
SH256 hash:
9b700d1d5f08a646921a397536bc682cac763ba61e86d0700023abedd275fff9
MD5 hash:
64e68e40a10ab18a7b3e15b68e2d6449
SHA1 hash:
8d76fed96165f3718f383882b71bd2da17a3c07f
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 9b700d1d5f08a646921a397536bc682cac763ba61e86d0700023abedd275fff9

(this sample)

  
Delivery method
Distributed via e-mail attachment

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