MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75d8525a9428cf51006d3de070ae12fe4a426006fa660653cfd417466fa57541. 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 3 File information Comments
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SHA256 hash: 75d8525a9428cf51006d3de070ae12fe4a426006fa660653cfd417466fa57541
SHA3-384 hash: 6547055a5fa3f7b6c16c6f784468118c181c1a29256c57f497063e8e1c31eb8303923026ee2f35f11ed0714018d668fc
SHA1 hash: 6fb3f38287aa6ddcdeeed8fad6f6cd6417888ef2
MD5 hash: 9423fc43c478062f43822c36fbc934e5
humanhash: may-mango-oregon-purple
File name:CIMMPO#CCG20210013.pdf.exe
Download: download sample
Signature Formbook
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File size:509'440 bytes
First seen:2021-11-08 16:52:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LWoyE2S5tdeczYNS1WH9gvMb/R21ruMkw1:LWoy3S5Fz+WWHAE/Irth1
Threatray 11'131 similar samples on MalwareBazaar
TLSH T179B49E93691467F2C4E19BBBBF23736086748D861C1FCB124AA8F36D49769E09F1B443
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/203340/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.36593.23143.18383.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/618955b4dec33478259fc341/reports/dba5edd2-0c4b-43f5-8a20-8597fe03886b/overview
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/450c7268-0ed9-499d-94d2-159ae0cf054c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/885427
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 517896 Sample: CIMMPO#CCG20210013.pdf.exe Startdate: 08/11/2021 Architecture: WINDOWS Score: 100 33 www.koreanmodelbj.xyz 2->33 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 12 other signatures 2->45 11 CIMMPO#CCG20210013.pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\...\CIMMPO#CCG20210013.pdf.exe.log, ASCII 11->31 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 CIMMPO#CCG20210013.pdf.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.fernanda-ortiz.com 54.38.220.85, 49815, 80 OVHFR France 18->35 37 www.trippyhippieinc.com 208.91.197.27, 49805, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 explorer.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 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/75d8525a9428cf51006d3de070ae12fe4a426006fa660653cfd417466fa57541/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-11-08 01:25:31 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oxmfewuufdhvcadnhxqhblqs7zfeeyag7jtamu6p2qlum35fovaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
48c9cebf9a4f71daebd9ccbb9431669d4e9c1f9f1ad181bccc0b0cea59b489db
Formbook
7c0ab1d837684e8d37e75578f4821e25d7729cb9d3739f397cabbb9c95f2ddae
Formbook
9404982e0cf941d6103e40246a6689d91be00c03c8d9072e42ebf56bd9080492
Formbook
c6043c3c87526712c251385dacc61e443647d1dcca1e86ce411e69cb711c4640
Formbook
c781169f80930851f2174df529d1aaba061c45fd7ef90c5059a7c513bfda3414
Formbook
d2d6a8c31acdd92eb9a005e2fac8838a382ab0425fc01bc88616bda185ab7b4c
Formbook
d6a8c5f4120e3be2e6d676d808dbdadc074f811398ac5b03878baba7275137d4
Formbook
d95ea981292e062e17b671022beaf00ee5c5ad6fbebf092096de7f1ecf27c4c1
Formbook
+ 11'121 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gr1c rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211108-vddr4ahgfk/
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.illusiontrick.com/gr1c/
Unpacked files
SH256 hash:
69c4bb6e6d3a50682f5bed090fc0d85e2f316760dcb33616a5b4da0a085bc4bf
MD5 hash:
e0f4e3bb8f985bf035f08b4c716f8a42
SHA1 hash:
d90ca36998b24d6af4727bf69ff4062446f8c53f
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/0b79c58a-c4bf-4de2-b42d-d0769e7c7e73/
Parent samples :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 hash:
0a23fe761d93207c1cd1507095a81e89dec3ffeb7f4a3878f1c0f4e2406fc3ca
MD5 hash:
8f9fa5e661a647f3cd4281b94fd80cb9
SHA1 hash:
f0aaacb7dbe18a118d3f2544c374136c009e2764
Link:
https://www.unpac.me/results/0b79c58a-c4bf-4de2-b42d-d0769e7c7e73/
SH256 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
Link:
https://www.unpac.me/results/0b79c58a-c4bf-4de2-b42d-d0769e7c7e73/
SH256 hash:
01530bbc75cfbf41aa553f1a5c8967f420f93409d394caba37a6b975ab221889
MD5 hash:
63ce3bf95592c31e1257b3741f9f4f50
SHA1 hash:
85270bd7d8cd6b550aada4123ea417b2cae089a3
Link:
https://www.unpac.me/results/0b79c58a-c4bf-4de2-b42d-d0769e7c7e73/
SH256 hash:
75d8525a9428cf51006d3de070ae12fe4a426006fa660653cfd417466fa57541
MD5 hash:
9423fc43c478062f43822c36fbc934e5
SHA1 hash:
6fb3f38287aa6ddcdeeed8fad6f6cd6417888ef2
Link:
https://www.unpac.me/results/0b79c58a-c4bf-4de2-b42d-d0769e7c7e73/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/75d8525a9428cf51006d3de070ae12fe4a426006fa660653cfd417466fa57541

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:pe_imphash
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/203340/

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