MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c0c8cbb0e933f865862852967071eb6908bca3c610d2b14a77149d756db00fe. 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 2 File information Comments
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SHA256 hash: 4c0c8cbb0e933f865862852967071eb6908bca3c610d2b14a77149d756db00fe
SHA3-384 hash: 0fc5096346766993d34b23efb0e8a16d0b1aa1a2d267a5c88153d8b5f3bc84f476f05bfa5a54ed2bb17e9c9a4dca8d13
SHA1 hash: 7939cb0bedbece4eb9e5c75874c7701086e688d2
MD5 hash: c2ab0821f7a097b7f3ef7d45cf321bf6
humanhash: georgia-hot-sad-eight
File name:PI pdf.exe
Download: download sample
Signature Formbook
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File size:1'596'928 bytes
First seen:2021-07-15 11:39:53 UTC
Last seen:2021-07-15 12:40:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:2OZVRDCeSzthw2vCM80J3up1LRa4WnsdH9i2U6GHX:2OZVReeSzfwC8E3upXTmAFG3
Threatray 6'438 similar samples on MalwareBazaar
TLSH T14075913EAA682A2BB77FD16546430014F4BC91EB36315CD786C72988794D9027EEF36C
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-15 11:42:55 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1cc850d2-fd60-457d-89ce-7ad9680c2cd4

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/171964/
Detection(s):
SecuriteInfo.com.ArtemisC2AB0821F7A0.3006.4626.UNOFFICIAL
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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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5abd3ab6-b13a-4811-878b-15aa1d0beab6
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/816855
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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: 449266 Sample: PI pdf.exe Startdate: 15/07/2021 Architecture: WINDOWS Score: 100 31 www.creativesocials.com 2->31 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 8 other signatures 2->43 11 PI pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\PI pdf.exe.log, ASCII 11->29 dropped 53 Injects a PE file into a foreign processes 11->53 15 PI pdf.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.yijiamobile.com 156.245.75.150, 49743, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 18->33 35 www.telefonepantalla.com 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 rundll32.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/4c0c8cbb0e933f865862852967071eb6908bca3c610d2b14a77149d756db00fe/
Threat name:
ByteCode-MSIL.Trojan.Tnega
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Status:
Malicious
First seen:
2021-07-15 01:48:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
74
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqgizoyosm7ymwdcquuwoby6w2iixsr4megswffhofe5ovw3ad7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0726096c82c2c643c7de2ed48533e0a545e71f2294433cd7df473aebe9f17681
Formbook
6c2f5bf673b3bbc31cf425259cd5a0262094e85a8bed03714c7b39712efc4beb
Formbook
8825f533e70aa57be6d942f520dabc1f91a7b39a068c55e91a3177f599fcb7d6
Formbook
8943af6c4da94f93c169ef98a7b8393ca92b01753e89ea5503d5740bcc45296d
Formbook
92fee75dbfa7cb48d837b580cc3544832cf116d9991ac9cd0135cef22e535510
Formbook
c26154711ca9d9d48de370f242deb560bd0b99a0c8f12a2d1db5d4cd6e25d107
Formbook
cad578cb66b96125accf74e291decfbfa2026857ec0efcae51a25ba4cc185ddc
Formbook
ee3cd0b8ec089cdcec65b22189ecc9efb9f356afe0870e424cbdedcf19920e13
Formbook
fa5314d7ed599d8ff5bd77f3e0d7ac0988ba1352757bd7715c375ae8009f8107
Formbook
+ 6'428 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/210715-7187zpra92/
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
Malware Config
C2 Extraction:
http://www.valiantfinancial.net/hth0/
Unpacked files
SH256 hash:
c5a468677b7bc387a0f67d6f8badb1e4c26812a63a206ba2c004568a7fd953d5
MD5 hash:
3a6261137425bb8d7ffa6ca1a6ecfe4c
SHA1 hash:
e4331c5e2c61c3e5461b6c1e7106ffd200c83f4c
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/bb0eab65-bb19-4c9c-b082-731e50f8e08f/
Parent samples :
d476f0d6936a06df598e0d45e9b80a4bc1e97880fd72351ecbde5fcb0dd2a96f
4c0c8cbb0e933f865862852967071eb6908bca3c610d2b14a77149d756db00fe
abb3fcb252b5c9e7aa022a3f16409b3f4b6dee5db0fe553b0cdda5ecc30eefad
48c48701e841f502a2b6740f73e15c20a1bc0d4b840c9f889f93638ac388d162
419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c
90e7c97ea4917a6efb5c0a69bd6f481b1a5023d6f8ad0f22d123c417edff8a68
SH256 hash:
9d9fa181064297beed7a7592676626d3dde40c202273353a5900852112e87242
MD5 hash:
fc5d837991a43234953036752f8420e5
SHA1 hash:
f6a6633626ddc2a089e7b4b6d32f7dc5ed41e31d
Link:
https://www.unpac.me/results/bb0eab65-bb19-4c9c-b082-731e50f8e08f/
SH256 hash:
82a4065578bf324c5a382d4e43510bfe37dc2d4accaa25792aecea77c7387714
MD5 hash:
ecff0ff8f308ad9a7ab4e8d8c6632f1f
SHA1 hash:
b2149cd8ad0767e9ee467d85f7f5d97494ecb07a
Link:
https://www.unpac.me/results/bb0eab65-bb19-4c9c-b082-731e50f8e08f/
SH256 hash:
4c0c8cbb0e933f865862852967071eb6908bca3c610d2b14a77149d756db00fe
MD5 hash:
c2ab0821f7a097b7f3ef7d45cf321bf6
SHA1 hash:
7939cb0bedbece4eb9e5c75874c7701086e688d2
Link:
https://www.unpac.me/results/bb0eab65-bb19-4c9c-b082-731e50f8e08f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/4c0c8cbb0e933f865862852967071eb6908bca3c610d2b14a77149d756db00fe

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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/171964/

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