MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3ddc95f31cacb29b7ec70b8dd6f0fb5befb759f7044e491b269417e91037d1d. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3ddc95f31cacb29b7ec70b8dd6f0fb5befb759f7044e491b269417e91037d1d
SHA3-384 hash: 08023d8b33899e74877434d76cc533c1fd2f804d9dfa0043fa7db841515966c0c2d1cdd6fea020a367a14ce5058bbf24
SHA1 hash: e2414d88355d9d1f37c77d1562f1f1c8a2716880
MD5 hash: 6bcd66deb9a6bddfa3f2329cde1b6126
humanhash: october-nine-video-black
File name:Shipping Docs_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'468'416 bytes
First seen:2021-01-19 17:53:21 UTC
Last seen:2021-01-19 19:55:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:S22PnZ9LGYEWPPecJYTgf9qdGyE3KYAgd+f+4vQ6wO:SfDGYEWXXy7gd+f+4vyO
Threatray 3'583 similar samples on MalwareBazaar
TLSH CD65D69C751C71EEC8D7C4629AAB1C64EA536CBA531B410390273DB9BA3C887CF547B2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: host.cmxbd.com
Sending IP: 204.197.252.164
From: Gary Blowes <gary.blowes@britishmarine.com>
Subject: RE: Shipping Docs
Attachment: Shipping Docs_pdf.rar (contains "Shipping Docs_pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Docs_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-01-19 18:00:08 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c5b1477a-fcf7-4374-8fe6-ee4b21fb20e0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/112969/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.tc.2742.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/585428
Signature
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
PE file contains section with special chars
PE file has nameless sections
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 341743 Sample: Shipping Docs_pdf.exe Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 33 www.nosyboats.com 2->33 35 www.executivehomeoffices.com 2->35 37 2 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 11 other signatures 2->51 11 Shipping Docs_pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\Shipping Docs_pdf.exe.log, ASCII 11->31 dropped 61 Injects a PE file into a foreign processes 11->61 15 Shipping Docs_pdf.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 39 astutetopshop.com 161.117.47.123, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 18->39 41 www.vetinaryeco.club 104.21.84.118, 49745, 80 CLOUDFLARENETUS United States 18->41 43 6 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 22 mstsc.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f3ddc95f31cacb29b7ec70b8dd6f0fb5befb759f7044e491b269417e91037d1d/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-19 17:54:07 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6po4sxzrzlfstn7moc4n23ypww7pw5m7obcojensnfax5eidpuoq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
56db76250b06a9b52b44a9cc88161cd8fb070c4b72aae4f2186362875edac275
Formbook
6b112d62c9d5722e71733aebafd86f5ac0a45c71a6776650f9505e239b7d8f8e
Formbook
743f890d93b9f2974c3770efbd0c9f07e0a866542d45572ccf47946673b60874
Formbook
7ea2c8d69111747b33a25c445e7f3fabd30f9b1d74d45383f87e6d6451248a53
Formbook
8cc59465e09b47aa8c0fa9f06198c9a2e8a94eec0b7bf7c7e63cf1f972f6e88a
Formbook
a026f6e6988f126a35bb044b7215fa5fb20a41a3b3bac722bfb7f53e670cc0f4
Formbook
cf5a2454c16d739c04939e84f71d62772620f7d0f90df49266e8493393da7167
Formbook
cf6959fe2bb4c2e078a8bb51c097dfd79bc0ca5cd296090a897ecb30a3ee6102
Formbook
f777596fe0fa9c11e6ff244810d6c6d4846f9c03b8840ad88ac8853de8a766db
Formbook
f8a388fc032aa7fdf80ed5bad850e3429ee27614bd6152efaa090fc77ad3bc6a
Formbook
+ 3'573 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/210119-6fw2gjht12/
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.huynhanhdung.com/kna/
Unpacked files
SH256 hash:
c61f0ce33d1eab10cd1be24e23a6cbaa3b8d3fab41745e2b9d22ce94d2adfe57
MD5 hash:
279009b35684ebfa3207f1052ad6ec1a
SHA1 hash:
216fe98253bea61028d0a1f686e2600646f2743e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6c21868e-3077-4d99-bdcf-0f17286a68fd/
Parent samples :
f8a388fc032aa7fdf80ed5bad850e3429ee27614bd6152efaa090fc77ad3bc6a
cf6959fe2bb4c2e078a8bb51c097dfd79bc0ca5cd296090a897ecb30a3ee6102
f777596fe0fa9c11e6ff244810d6c6d4846f9c03b8840ad88ac8853de8a766db
743f890d93b9f2974c3770efbd0c9f07e0a866542d45572ccf47946673b60874
f3ddc95f31cacb29b7ec70b8dd6f0fb5befb759f7044e491b269417e91037d1d
f59df25daa1bbe11f38724ad0b36eebc535f1f36ae3796ce5bebe1049cbb57ed
8bcaa843a3dbd507050d15f193571dfc2a1e584e23a6dea41431067b188ea199
SH256 hash:
649e1406245df049f83c89410d837a00de084a9903c85213d049abb639ae74b1
MD5 hash:
188ae89491783d16f3ebf5c4defd33d2
SHA1 hash:
aa891f7f49337f902c2332c2b8e30d073a72f767
Link:
https://www.unpac.me/results/6c21868e-3077-4d99-bdcf-0f17286a68fd/
SH256 hash:
8d16287a70146999716df7fd051fc396a8ecd2ecd4399720a8e4cd9bf177c743
MD5 hash:
2400a94f307b27761170926221ac4e07
SHA1 hash:
5d935eb570632e61ecef11095f1d8c96cd08edb2
Link:
https://www.unpac.me/results/6c21868e-3077-4d99-bdcf-0f17286a68fd/
SH256 hash:
f3ddc95f31cacb29b7ec70b8dd6f0fb5befb759f7044e491b269417e91037d1d
MD5 hash:
6bcd66deb9a6bddfa3f2329cde1b6126
SHA1 hash:
e2414d88355d9d1f37c77d1562f1f1c8a2716880
Link:
https://www.unpac.me/results/6c21868e-3077-4d99-bdcf-0f17286a68fd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f3ddc95f31cacb29b7ec70b8dd6f0fb5befb759f7044e491b269417e91037d1d

File information

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

Malspam

Formbook

rar 4d20f678ab3bee880490759c7aec36f70d7cd98aaa9398fb734f64f12c24b81d

Formbook

Executable exe f3ddc95f31cacb29b7ec70b8dd6f0fb5befb759f7044e491b269417e91037d1d

(this sample)

  
Dropped by
MD5 5bcdc6f4b8f2314b1bf3af5618b8806c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4d20f678ab3bee880490759c7aec36f70d7cd98aaa9398fb734f64f12c24b81d
Cape
Cape
https://www.capesandbox.com/analysis/112969/

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