MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfa63841a36301ed60a4a0c177ad229a1b09266034182b7c8695fa5d7324f0b4. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfa63841a36301ed60a4a0c177ad229a1b09266034182b7c8695fa5d7324f0b4
SHA3-384 hash: 6488e5a9e16305654f753eee7a58c36e24466281c945bb60e7dbfc03e645a3874439ee6b5867ea63b75f1720d879f02d
SHA1 hash: 790ffd88a22f28df64c491e9fef87d50ceb9bfb7
MD5 hash: 59ca7615f52a57b4d4528956889491ca
humanhash: four-sink-dakota-oregon
File name:inv.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:351'744 bytes
First seen:2021-01-18 09:06:46 UTC
Last seen:2021-01-18 10:42:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3fa489abaee814a61ce0966e1954db55 (12 x Loki, 7 x RemcosRAT, 3 x SnakeKeylogger)
ssdeep 6144:UgT/4GM4T/r+1uqtxxo3zDA4ypZxmeGSZEFyUFEX652FdqjxBc86eZR9S+2:Z4GbT/r+Xtcz3yEeJZEAUFEg2FdIdRj2
Threatray 3'505 similar samples on MalwareBazaar
TLSH CD74D02476D0C032D55311344B75CBB24EBE78727A66B98F7FDA0AB91F646D2923830E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail.123host.iq
Sending IP: 185.76.34.198
From: Mehmet Kumar . <info@zahrawigroup.com>
Reply-To: kuze1@mail.com
Subject: AW:Reply.
Attachment: inv new.rar (contains "inv.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
inv.exe
Verdict:
Malicious activity
Analysis date:
2021-01-18 09:14:52 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/89a66965-52c0-497a-943c-908b22e87d66

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/112516/
Detection(s):
PUA.Win.Downloader.Firseria-6804617-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/583554
Signature
Found malware configuration
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340817 Sample: inv.exe Startdate: 18/01/2021 Architecture: WINDOWS Score: 100 34 www.ninjitsoo.com 2->34 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 3 other signatures 2->44 11 inv.exe 2->11         started        signatures3 process4 signatures5 52 Maps a DLL or memory area into another process 11->52 54 Tries to detect virtualization through RDTSC time measurements 11->54 14 inv.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 28 nationshiphop.com 34.102.136.180, 49765, 49767, 80 GOOGLEUS United States 17->28 30 www.downdepot.com 52.128.23.153, 49766, 80 DOSARRESTUS United States 17->30 32 6 other IPs or domains 17->32 36 System process connects to network (likely due to code injection or exploit) 17->36 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bfa63841a36301ed60a4a0c177ad229a1b09266034182b7c8695fa5d7324f0b4/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2021-01-18 08:39:06 UTC
AV detection:
23 of 45 (51.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6tdqqndmma62yfeudaxpljctinqsjtagqmcw7egsx5f24ze6c2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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Formbook
801e939e0d3085f2381ef566d8dc90653eef76be368a865cb249b0eb2bb1b869
Formbook
9161b2162e26e06de573d2314ef3d6cec389bfc240c33a9bce7f5b1e13c7b703
Formbook
+ 3'495 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210118-cckqhred7e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.nationshiphop.com/hko6/
Unpacked files
SH256 hash:
bfa63841a36301ed60a4a0c177ad229a1b09266034182b7c8695fa5d7324f0b4
MD5 hash:
59ca7615f52a57b4d4528956889491ca
SHA1 hash:
790ffd88a22f28df64c491e9fef87d50ceb9bfb7
Link:
https://www.unpac.me/results/f37decef-d495-4be7-9fe7-e4972569dc00/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bfa63841a36301ed60a4a0c177ad229a1b09266034182b7c8695fa5d7324f0b4

File information

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

Malspam

Formbook

rar 79407b3bc4334ff0fbe693829b0dc929ae9247f0ea647f2deb921ff21b29999a

Formbook

Executable exe bfa63841a36301ed60a4a0c177ad229a1b09266034182b7c8695fa5d7324f0b4

(this sample)

  
Dropped by
MD5 e9d264fbbe1915532af15c82c84ef7f7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112516/
  
Dropped by
SHA256 79407b3bc4334ff0fbe693829b0dc929ae9247f0ea647f2deb921ff21b29999a

Comments