MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a35df53c702f348d3693309c29fe3044d50ecf4be8648b787e74f79f5d2ceea. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
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SHA256 hash: 3a35df53c702f348d3693309c29fe3044d50ecf4be8648b787e74f79f5d2ceea
SHA3-384 hash: af167662f978f65c87fb74d771edec274c56ecfb0e75a4a412b2e5576979e222619c564c2ca1b06accc802581e6c76c4
SHA1 hash: 940d9ba59f5941f32ba5353cb1149075c3b7081f
MD5 hash: 755fecce9e86d0d2ba12f018b2d4708c
humanhash: yellow-edward-seven-golf
File name:Scandocument2021_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:227'634 bytes
First seen:2021-06-21 16:32:01 UTC
Last seen:2021-06-22 09:27:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:wBlL/DXBCXBzM/p78G89gCyvt7riCxFg5UA7BlyCuRYX:CBX0xzMV839w7rij53yCuRo
Threatray 5'877 similar samples on MalwareBazaar
TLSH E224126239E189F7E18E24B11C3FE7A9F7BEB244012299DF0B901E3F58611EB5D4A147
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scandocument2021_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-06-21 16:36:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/4e99abb4-8adc-4d90-9b54-d9e3df99c159

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/167345/
Detection(s):
SecuriteInfo.com.Trojan.Loader.842.21668.3500.UNOFFICIAL
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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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a46b3cee-4419-4bc4-ac2c-5c9073b1f1c1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/805463
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
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
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 virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 437874 Sample: Scandocument2021_pdf.exe Startdate: 21/06/2021 Architecture: WINDOWS Score: 100 29 www.the-aerial.com 2->29 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 7 other signatures 2->53 9 Scandocument2021_pdf.exe 19 2->9         started        13 explorer.exe 2->13         started        signatures3 process4 dnsIp5 25 C:\Users\user\AppData\Local\Temp\zzhrdxsgyr, DOS 9->25 dropped 27 C:\Users\user\AppData\Local\...\System.dll, PE32 9->27 dropped 55 Detected unpacking (changes PE section rights) 9->55 57 Maps a DLL or memory area into another process 9->57 59 Tries to detect virtualization through RDTSC time measurements 9->59 16 Scandocument2021_pdf.exe 9->16         started        31 www.naturklinik.online 77.111.240.179, 49754, 80 ONECOMDK Denmark 13->31 33 lotus-attari.com 193.151.131.151, 49748, 80 FPF-ASFederalAgencyforStatePropertyManagementRU Iran (ISLAMIC Republic Of) 13->33 35 2 other IPs or domains 13->35 61 System process connects to network (likely due to code injection or exploit) 13->61 63 Uses ipconfig to lookup or modify the Windows network settings 13->63 19 ipconfig.exe 13->19         started        file6 signatures7 process8 signatures9 37 Modifies the context of a thread in another process (thread injection) 16->37 39 Maps a DLL or memory area into another process 16->39 41 Sample uses process hollowing technique 16->41 43 Queues an APC in another process (thread injection) 16->43 45 Tries to detect virtualization through RDTSC time measurements 19->45 21 cmd.exe 1 19->21         started        process10 process11 23 conhost.exe 21->23         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3a35df53c702f348d3693309c29fe3044d50ecf4be8648b787e74f79f5d2ceea/
Threat name:
Win32.Spyware.Noon
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Status:
Malicious
First seen:
2021-06-21 16:31:48 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
14 of 29 (48.28%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hi256u6halzuru3jgme4fh7dargvb3hux2dern4h45hxt5osz3va._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
27b3ee09de06ff54ca8947425175ff4c07f48dc07df976ab42a7990ceeb5232c
Formbook
744400d590042d779a25401879f9906b979e32bba3fac355a0ff2d5a00f4fcfc
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
9624205b61e073bf50cf19e4c5412bf620218a2637315701c5fa78de627a5944
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
bdc84c917558fe1a4055309a8d6ad6d89d2cdf5a6741c218ace44f70489f9260
Formbook
c7b835a38f13c18350ba953a8f57f8c90a237804c377ba32d6fd212daa08e98c
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
da8ac5be69302fcd92625e881ea1494e67b97ace71fcfa9e068f7d7b004f2248
Formbook
e6e7575f09a3e973c9b315f3206448f9ddd04b3b8ca39d126e02bad763a17948
Formbook
+ 5'867 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210621-yg5xzdj3wn/
Behaviour
Enumerates system info in registry
Gathers network information
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.pushorder.com/nmda/
Unpacked files
SH256 hash:
0af47cf8a8041e5a50adf2fbbc4403d02d90d5ce7ce728fa81f3df441c03d793
MD5 hash:
cfb00f8b42ef3c1271a361aca79173e3
SHA1 hash:
8816ef183da13c62121c257f1f24ea4e3aa405e9
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8d6dbcc0-442f-4c12-9c21-e7adea43d843/
Parent samples :
e6e7575f09a3e973c9b315f3206448f9ddd04b3b8ca39d126e02bad763a17948
360aa7350fa68fbe5ee11dea4c0291a23fa65fce3fb8ce37a0649e5e86d26cb4
3a35df53c702f348d3693309c29fe3044d50ecf4be8648b787e74f79f5d2ceea
38c8743572d600fee9623ff305b4e6a78c033576f4ca63e6e5f8ab1c9f6047ce
966de298a417004b81550a9b3ac5cebe87baa97fcb91c985f005258025fc1497
ebf3a8928d8bbaabfec8b7e93eb0f48469a665bc0b15d9261218012378ffb9c1
38539e1921abdc55da699d06a32fb043610cfe8c13eb1004dc8aa508427c6809
f6bb8018c90c49a3b09ad5b94cbfe5009b59abdee04d05be8f4ae8825f71cf19
SH256 hash:
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1
MD5 hash:
56a321bd011112ec5d8a32b2f6fd3231
SHA1 hash:
df20e3a35a1636de64df5290ae5e4e7572447f78
Link:
https://www.unpac.me/results/8d6dbcc0-442f-4c12-9c21-e7adea43d843/
SH256 hash:
3a35df53c702f348d3693309c29fe3044d50ecf4be8648b787e74f79f5d2ceea
MD5 hash:
755fecce9e86d0d2ba12f018b2d4708c
SHA1 hash:
940d9ba59f5941f32ba5353cb1149075c3b7081f
Link:
https://www.unpac.me/results/8d6dbcc0-442f-4c12-9c21-e7adea43d843/
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/3a35df53c702f348d3693309c29fe3044d50ecf4be8648b787e74f79f5d2ceea

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/167345/

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