MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8436ced3953396414f8b719973ff09140f3909e188260e226c7b4b58fa39ee44. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
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SHA256 hash: 8436ced3953396414f8b719973ff09140f3909e188260e226c7b4b58fa39ee44
SHA3-384 hash: 2288943eeeb07e11a07875ede018487511d0ee70a7e2410edace611b374fdd5d228c5a5078b8eedfbf1ddd78792680fc
SHA1 hash: 2068527228a3a742623ae471645dc86f1d82ce0e
MD5 hash: c1334561fb31974921383dfad2583192
humanhash: thirteen-rugby-helium-july
File name:Payment_Advice_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:346'624 bytes
First seen:2021-10-15 08:17:43 UTC
Last seen:2021-10-15 09:51:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:PWoxgMkhBZUJNGGVrl66B4De9izV5owUUrAFyF+mwzamGB/q7SBT:PNSBa5V566WDFV5owMF++mmanPT
Threatray 10'579 similar samples on MalwareBazaar
TLSH T12074012072FD9259C87A4B7A1CB602E567B97AA73F01CB1F1498228C9D73B4787117B3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment_Advice_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-10-15 08:20:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/153ccc12-8d4f-46e9-8091-bd53421c95e2

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/197711/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.21017.8379.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61693941fd35fe780c4281a2/reports/983292f1-1dcc-4f8f-a448-e5ac02cb7cdb/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c47fa72c-6d92-403c-9959-b35ec0cbf8fb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/871035
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 503463 Sample: Payment_Advice_pdf.exe Startdate: 15/10/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 8 other signatures 2->46 10 Payment_Advice_pdf.exe 3 2->10         started        process3 file4 32 C:\Users\user\...\Payment_Advice_pdf.exe.log, ASCII 10->32 dropped 58 Tries to detect virtualization through RDTSC time measurements 10->58 60 Injects a PE file into a foreign processes 10->60 14 Payment_Advice_pdf.exe 10->14         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 34 www.nordiclightsllc.com 199.34.228.182, 49800, 80 WEEBLYUS United States 17->34 36 www.9veronicaavenue.com 52.147.15.202, 49793, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 17->36 38 13 other IPs or domains 17->38 48 System process connects to network (likely due to code injection or exploit) 17->48 21 colorcpl.exe 17->21         started        24 autofmt.exe 17->24         started        26 autofmt.exe 17->26         started        signatures10 process11 signatures12 50 Self deletion via cmd delete 21->50 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 28 cmd.exe 1 21->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8436ced3953396414f8b719973ff09140f3909e188260e226c7b4b58fa39ee44/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-10-15 08:18:10 UTC
AV detection:
9 of 45 (20.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qq3m5u4vgolect4logmxh7yjcqhtscpbrata4itmpnfvr6rz5zca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4217bf1cf710804c6b4a7b6a7d03974aaa655e512e3bf854c193feb7b2a8d422
Formbook
4bb96dffcc0b4cba1f4ee2ed04e32d724e486c88b0e8492b3e5efb1ec0928c0e
Formbook
7384a61fc69ce24610f7c4658c2ef8786c4cdc5d6ad6b33d1a9f506d6b6388d3
Formbook
7d9a7c06ad6bdf4b58d325900a940f3bf830862d108c8cf58d3d77982b87f8c2
Formbook
89dd90006d6cd58559565a7ccebc2147780e2a3ae084b5d114b2077c2ae341d7
Formbook
c04a6522c272316586333bdd0e1c78427b3dd04976d77e45d937fe763bea101f
Formbook
e10fd0e47f713f77031028a2c5525477154ad2f7f6500b9679bb00e6897535d3
Formbook
fbaf103427e20432a3dcf19733b5f447bb6f0b2e5c700c76df55c2d977d080ae
Formbook
+ 10'569 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bntn loader rat suricata
Link:
https://tria.ge/reports/211015-j7bztabdfk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.forex-fm.online/bntn/
Unpacked files
SH256 hash:
4297efdb61752dfc1a012658395e4938537b9f95082e175d14a50a6914ecc027
MD5 hash:
72d8dcb62562a1a9933f17b345f7e772
SHA1 hash:
2e7772f2cad0fa50e4923414ca6663a12d8b288d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/32115f0a-e6f4-4940-a5df-3e9e17fe99ed/
Parent samples :
8436ced3953396414f8b719973ff09140f3909e188260e226c7b4b58fa39ee44
edcdd866b9fcf94a140c0b2586a8dab412c41777e4c3d74d876cf85cf48dbf85
SH256 hash:
e95ccec20744424c3f68b66572151c1fe22857edaad2cf6b8ff849c157215a94
MD5 hash:
1901085a644fb5c26e094978d4850378
SHA1 hash:
1f62973002969af756f5a6b99c537bbed3dfecac
Link:
https://www.unpac.me/results/32115f0a-e6f4-4940-a5df-3e9e17fe99ed/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/32115f0a-e6f4-4940-a5df-3e9e17fe99ed/
SH256 hash:
8436ced3953396414f8b719973ff09140f3909e188260e226c7b4b58fa39ee44
MD5 hash:
c1334561fb31974921383dfad2583192
SHA1 hash:
2068527228a3a742623ae471645dc86f1d82ce0e
Link:
https://www.unpac.me/results/32115f0a-e6f4-4940-a5df-3e9e17fe99ed/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8436ced3953396414f8b719973ff09140f3909e188260e226c7b4b58fa39ee44

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_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 8436ced3953396414f8b719973ff09140f3909e188260e226c7b4b58fa39ee44

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/197711/

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