MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6043c3c87526712c251385dacc61e443647d1dcca1e86ce411e69cb711c4640. 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 3 File information Comments
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SHA256 hash: c6043c3c87526712c251385dacc61e443647d1dcca1e86ce411e69cb711c4640
SHA3-384 hash: fb88588faf29d3093cfc78a16a9f4a968987b6e35a928fb31b80f414f028b0d8ea1b9bb6e3ee498da9f1c991c63c7b92
SHA1 hash: 2b519281a37eb7333d1e431869381e8c361f932c
MD5 hash: 6f8abd3eb202eb63099aa64208e6185f
humanhash: illinois-single-timing-music
File name:RFQ#QH211013.PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:561'152 bytes
First seen:2021-11-02 18:16:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:M9hhvVcE06tyMYGPqjpLXL2tbjx2AF2d/TlW0613e5x/:M9hhHHPPjx2AITnr
Threatray 11'089 similar samples on MalwareBazaar
TLSH T162C4CF3824E46626C7F982759C55D51913B18CAEA003EB1D5EF0FDE33AFE3634E0585A
File icon (PE):PE icon
dhash icon d0f4ccf2faaaead4 (10 x Loki, 9 x AgentTesla, 9 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ#QH211013.PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-11-02 18:32:39 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0caedc1d-1e69-4c9f-85cb-c823393d57c3

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/201549/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.47300229.15364.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/618180a1bf51178dbe499de8/reports/01abece7-ada9-430a-9a62-130d1acb9a82/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/fb7cb7c1-e0c4-4b2a-9f24-33757a4082e5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/881619
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
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 signatures2 2 Behavior Graph ID: 514049 Sample: RFQ#QH211013.PDF.exe Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 9 RFQ#QH211013.PDF.exe 3 2->9         started        process3 file4 26 C:\Users\user\...\RFQ#QH211013.PDF.exe.log, ASCII 9->26 dropped 52 Tries to detect virtualization through RDTSC time measurements 9->52 54 Injects a PE file into a foreign processes 9->54 13 RFQ#QH211013.PDF.exe 9->13         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 wlanext.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Self deletion via cmd delete 16->34 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 22 cmd.exe 1 16->22         started        28 www.niqi666.com 19->28 30 www.jr-cons.com 19->30 32 jr-cons.com 34.102.136.180, 49812, 80 GOOGLEUS United States 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c6043c3c87526712c251385dacc61e443647d1dcca1e86ce411e69cb711c4640/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-02 06:42:40 UTC
AV detection:
21 of 44 (47.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yycdypehkjtrfqsrhbo2zrq6iq3epuo4zipintsbdzu4w4i4izaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1c9e70c025667083ad61d9180d1e41872e2da65ef4e3854a6c71501976481051
Formbook
48c9cebf9a4f71daebd9ccbb9431669d4e9c1f9f1ad181bccc0b0cea59b489db
Formbook
85601ede72b1c348db5663e3782e7b3f3157c2356e2c90b769bb2afc2d476e4c
Formbook
9404982e0cf941d6103e40246a6689d91be00c03c8d9072e42ebf56bd9080492
Formbook
c96178775d7f8dd8b06a4e59aad0367f36abc11680081acfcc2b446fb0ee28b1
Formbook
d6a8c5f4120e3be2e6d676d808dbdadc074f811398ac5b03878baba7275137d4
Formbook
d95ea981292e062e17b671022beaf00ee5c5ad6fbebf092096de7f1ecf27c4c1
Formbook
+ 11'079 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gr1c rat spyware stealer trojan
Link:
https://tria.ge/reports/211102-ww16sacch3/
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.illusiontrick.com/gr1c/
Unpacked files
SH256 hash:
69c4bb6e6d3a50682f5bed090fc0d85e2f316760dcb33616a5b4da0a085bc4bf
MD5 hash:
e0f4e3bb8f985bf035f08b4c716f8a42
SHA1 hash:
d90ca36998b24d6af4727bf69ff4062446f8c53f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4477fbeb-267d-406e-951f-8caa005247b2/
Parent samples :
9404982e0cf941d6103e40246a6689d91be00c03c8d9072e42ebf56bd9080492
d6a8c5f4120e3be2e6d676d808dbdadc074f811398ac5b03878baba7275137d4
d95ea981292e062e17b671022beaf00ee5c5ad6fbebf092096de7f1ecf27c4c1
f40c731716d135ea7e583819570a83d92e24c3dfb2a3b0ac375bd97774ffd689
48c9cebf9a4f71daebd9ccbb9431669d4e9c1f9f1ad181bccc0b0cea59b489db
29bd525ad8ed453e995bccdaa6c9a572a7bac2e1478b1f103cbb80534fffb737
c6043c3c87526712c251385dacc61e443647d1dcca1e86ce411e69cb711c4640
e268d4fe38c649b81c4b1b556011a7b51f7bcf70c589b679586261f892c56d98
75d8525a9428cf51006d3de070ae12fe4a426006fa660653cfd417466fa57541
2fe9760a9c5fb15b569a9003d41211e35871e52e8ac829a587ddb3e48a52a8bc
f416b983ef4ccaad4279bfbf52094adc47774560b191944eadb7d07914ff6324
83ae305c6dfc65ca4d81e81574338c7e75ca7324e948c14e3ab065a2b3abaaad
bf4e018e1442fb7815901e53bccc699ee5634e2fcc3ba73327e123ae3d89a65b
SH256 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
Link:
https://www.unpac.me/results/4477fbeb-267d-406e-951f-8caa005247b2/
SH256 hash:
13478e414870c073850f80f100ff96c2c03f3eaf23df892dcc3ee199f823355d
MD5 hash:
4e457cfd098a9571181af2f29d217f29
SHA1 hash:
1289765362fdfc8a49fe13c7c9c41c9eb8391fcd
Link:
https://www.unpac.me/results/4477fbeb-267d-406e-951f-8caa005247b2/
SH256 hash:
c6043c3c87526712c251385dacc61e443647d1dcca1e86ce411e69cb711c4640
MD5 hash:
6f8abd3eb202eb63099aa64208e6185f
SHA1 hash:
2b519281a37eb7333d1e431869381e8c361f932c
Link:
https://www.unpac.me/results/4477fbeb-267d-406e-951f-8caa005247b2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c6043c3c8752/report/overview.html
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/c6043c3c87526712c251385dacc61e443647d1dcca1e86ce411e69cb711c4640

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
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 c6043c3c87526712c251385dacc61e443647d1dcca1e86ce411e69cb711c4640

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/201549/

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