MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3809041ce9fcb7f00674e65db2fd63f94373df583d6e3e869943aeb08b34ad28. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 3809041ce9fcb7f00674e65db2fd63f94373df583d6e3e869943aeb08b34ad28
SHA3-384 hash: d96f164a1717d1290df5bad7a9108fb70e72a1b6bd9fb740b3dbb868adfad5fb59ff0cbe401b3eadd4a070b9618be8b7
SHA1 hash: 47763c7dd99d1a5d1bb893a1725d0723fc4aef5d
MD5 hash: 566a51cb516908e587bd7c465e8a8845
humanhash: lithium-burger-helium-zebra
File name:inv.exe
Download: download sample
Signature Formbook
File size:201'728 bytes
First seen:2020-12-17 08:41:55 UTC
Last seen:2020-12-17 10:29:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 412434c6590220a26bbf72c7c07a425b (7 x AgentTesla, 4 x Formbook, 1 x NanoCore)
ssdeep 3072:rxeGnzMAdeNeCXbqHZaXyYVH7iYFt4qiP0EA8XGa+d5jUjLG:Vdnz4XG5aiYVZt4qvEBad54ji
Threatray 3'245 similar samples on MalwareBazaar
TLSH 2F14120E53E21961CB5E7FF142E2B9A6B035B4D32BB26E27948724621DDED095C331CE
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: alnassar.com.sa
Sending IP: 162.244.93.110
From: Dia - Societa Cofica Pty Ltd <dia@societacofica.com.au>
Reply-To: dia@societacofica.com.au
Subject: RE: INVOICE & PACKING LIST - FW: 3X20'
Attachment: INVOICE.rar (contains "inv.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Setting browser functions hooks
Forced shutdown of a system process
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:
96 / 100
Signature
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
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: 331640 Sample: inv.exe Startdate: 17/12/2020 Architecture: WINDOWS Score: 96 30 g.msn.com 2->30 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected FormBook 2->42 44 Modifies the prolog of user mode functions (user mode inline hooks) 2->44 11 inv.exe 1 2->11         started        signatures3 process4 signatures5 54 Maps a DLL or memory area into another process 11->54 56 Tries to detect virtualization through RDTSC time measurements 11->56 14 inv.exe 11->14         started        17 conhost.exe 11->17         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 32 pavlus.partners 45.94.157.219, 49772, 80 VPS-UA-ASUA Ukraine 19->32 34 www.salisimmunity.com 192.155.166.79, 49773, 80 PING-GLOBAL-ASPingGlobalAmsterdamPOPASNNL United States 19->34 36 8 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 cmd.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2020-12-17 06:21:18 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
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 UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.opentravelgroup.com/gn3b/
Unpacked files
SH256 hash:
3809041ce9fcb7f00674e65db2fd63f94373df583d6e3e869943aeb08b34ad28
MD5 hash:
566a51cb516908e587bd7c465e8a8845
SHA1 hash:
47763c7dd99d1a5d1bb893a1725d0723fc4aef5d
SH256 hash:
1712a3f68ef49bb76325da03583902a3077545fd03d0959077926d4b77db00fa
MD5 hash:
6447cffdd458d7e7ea125ce4b7cf29e2
SHA1 hash:
45b1ba9dff34ab30146c2e4f940ee638ebe4f29f
SH256 hash:
9ec560a6b7b076dd3c0f4890d14a1408759d68a532c9de84200e0d0edf1689b9
MD5 hash:
b690a732f8aa699ad517362c510b6833
SHA1 hash:
d0a5be86e0de0c6146b78a5501a3d92d89dcde43
Detections:
win_formbook_g0 win_formbook_auto
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 3809041ce9fcb7f00674e65db2fd63f94373df583d6e3e869943aeb08b34ad28

(this sample)

  
Delivery method
Distributed via e-mail attachment

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