MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28f57adc56668022a2db544f26ea18b9015ca4ab414dd825eafc3e8c4b179c63. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28f57adc56668022a2db544f26ea18b9015ca4ab414dd825eafc3e8c4b179c63
SHA3-384 hash: 31e858e523f5981589978e2c37eab6c7c027aecf38b973675eae36dfd92cd726bb4e226bc1b8a8f6e3c4edc833538f03
SHA1 hash: def53960b4e4eb98ea3f09296fcca5be326804db
MD5 hash: 51373b7a2fa745f37fcd6dffd93d8e3f
humanhash: utah-avocado-oklahoma-april
File name:RFQ11_ZIM2021pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:422'007 bytes
First seen:2021-04-06 13:07:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9c523d8653da5455667e3f82274f2f88 (6 x Formbook, 2 x SnakeKeylogger, 1 x AZORult)
ssdeep 12288:pP7r9r/+ppppppppppppppppppppppppppppp0GpdIKicHq78ndi92:p1qzRVnc92
Threatray 4'574 similar samples on MalwareBazaar
TLSH 859449C5E980A5A4DD19AB706A37CD3592237DFCA834A41D29DE3E273FFB2D35026052
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
def53960b4e4eb98ea3f09296fcca5be326804db
Verdict:
Suspicious activity
Analysis date:
2021-04-06 09:48:52 UTC
Tags:
installer
Link:
https://app.any.run/tasks/31e79e40-ac14-47b0-a8cb-c3c4f1d33295

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/132664/
Detection(s):
SecuriteInfo.com.FakeAV.AVB.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/667566
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected unpacking (changes PE section rights)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Multi AV Scanner detection for dropped file
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 382714 Sample: RFQ11_ZIM2021pdf.exe Startdate: 06/04/2021 Architecture: WINDOWS Score: 100 31 www.yourdadsamug.com 2->31 33 shops.myshopify.com 2->33 35 yourdadsamug.myshopify.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 11 RFQ11_ZIM2021pdf.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\ygdi1faxr.dll, PE32 11->29 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Maps a DLL or memory area into another process 11->61 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Contains functionality to prevent local Windows debugging 11->65 15 RFQ11_ZIM2021pdf.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.escape-party.com 156.253.112.252, 49760, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->37 39 www.leggins-store.com 82.146.43.143, 49771, 80 THEFIRST-ASRU Russian Federation 18->39 41 17 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 explorer.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28f57adc56668022a2db544f26ea18b9015ca4ab414dd825eafc3e8c4b179c63/
Threat name:
Win32.Trojan.Spynoon
Create hunting rule
Status:
Malicious
First seen:
2021-04-06 10:25:24 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fd2xvxcwm2acfiw3krhsn2qyxeavzjflifg5qjpk7q7iysyxtrrq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01476f904e668758ea516e84f359d6d0a4d85dadc179a51788a214ea46ff9dec
Formbook
1432f0240c91b7439722df807e35ef9b4cc9b126f3e5d42cedb27b28751118d7
Formbook
2dd1a191789c0c1c524360cb9750eb20280de0afbc9f1830a75557dd47988808
Formbook
63b94415ccf2fabff3be3a811ded9a5306d68ac197adc07d7c2be3b313e8a665
Formbook
6da50c6b31b4125631987f40d7bd3dacab22c961ca9ba60dfdfa45120d5ec17a
Formbook
c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c
Formbook
de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f
Formbook
e4938a8244543631ae11deb46e8b4cc3f0a8b8b7c2d4a1246f5bfadb29e0094c
Formbook
e65caef5b39ea27f95b2514c5d347df7a6e50e8d3886b2112b5db266769fcc71
Formbook
f02213dd373e6d5d9bea4f366b2cfd983e278731be7d59171de6be27a482becf
Formbook
+ 4'564 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210406-sm3kv1w53x/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.zhongyuanidc.com/hmog/
Unpacked files
SH256 hash:
5bf3c04c7021e2fb03c59e47336f629941210ee3df7419e27619441da43e0a54
MD5 hash:
35770434db9cf09dcc0000ed5cd62bcc
SHA1 hash:
ce237ffef82356944208708049df4b23c9e3842f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/95a57a26-4013-4e05-8b47-816a5ee44be4/
SH256 hash:
7e0db7b30a93ec07fd21d161efc85a992fd8cd8f79fa00e47d77c0cf76b34563
MD5 hash:
30f6cdb06977a472ed3ea26b8c560a09
SHA1 hash:
e8f1c85512dde251e4614d9b6c9d24d749f4db8f
Link:
https://www.unpac.me/results/95a57a26-4013-4e05-8b47-816a5ee44be4/
SH256 hash:
28f57adc56668022a2db544f26ea18b9015ca4ab414dd825eafc3e8c4b179c63
MD5 hash:
51373b7a2fa745f37fcd6dffd93d8e3f
SHA1 hash:
def53960b4e4eb98ea3f09296fcca5be326804db
Detections:
win_cannon_auto
Create hunting rule
Link:
https://www.unpac.me/results/95a57a26-4013-4e05-8b47-816a5ee44be4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/28f57adc56668022a2db544f26ea18b9015ca4ab414dd825eafc3e8c4b179c63

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:dridex_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_cannon_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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/132664/

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