MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57e63dfbb0a4ae4160cd50f65ff9dce530c0f20188524279a840546a89de56bd. 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 5 File information Comments
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SHA256 hash: 57e63dfbb0a4ae4160cd50f65ff9dce530c0f20188524279a840546a89de56bd
SHA3-384 hash: f41668c5f7d5dd38e866bde407d77d06254f24ffc1adc0427ad45e6b2859d0e34edfa178fa6ca38dccf00415a869b464
SHA1 hash: 41f771efa5beda747519e89a5dd1eb2251ad4144
MD5 hash: 5f10dbd65039abbbe3ccf68b567306d0
humanhash: mirror-mountain-twelve-jig
File name:RE KOC RFQ for Flanges - RFQ 2074898.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:230'460 bytes
First seen:2021-05-31 06:44:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:tNvT3kpqCprrrd8pMBDvmXgn0v+RxJhb2w:/jkjp9Eg0v+RPhCw
Threatray 5'514 similar samples on MalwareBazaar
TLSH 113412012EC4D463F6D7263701B7AB7AEAFBCEA4116B2A43DB187F4A5F31056260E5C4
Reporter lowmal3
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:
RE KOC RFQ for Flanges - RFQ 2074898.exe
Verdict:
Malicious activity
Analysis date:
2021-05-31 06:46:39 UTC
Tags:
installer
Link:
https://app.any.run/tasks/141d985f-fda6-4599-8c2e-3ccfc6f610a9

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/163355/
Detection(s):
SecuriteInfo.com.TR.Dldr.Adload.86010.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:
MALICIOUS
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794509
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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)
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: 426901 Sample: RE KOC RFQ for Flanges - RF... Startdate: 31/05/2021 Architecture: WINDOWS Score: 100 31 www.pfg-aero.com 2->31 33 pfg-aero.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 11 RE KOC RFQ for Flanges - RFQ 2074898.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 11->29 dropped 57 Maps a DLL or memory area into another process 11->57 15 RE KOC RFQ for Flanges - RFQ 2074898.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.detegelboer.com 54.38.220.85, 49772, 80 OVHFR France 18->35 37 www.yoperro.net 185.107.56.57, 49767, 80 NFORCENL Netherlands 18->37 39 18 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 raserver.exe 18->22         started        signatures11 process12 signatures13 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 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/57e63dfbb0a4ae4160cd50f65ff9dce530c0f20188524279a840546a89de56bd/
Threat name:
Win32.Spyware.Noon
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Status:
Malicious
First seen:
2021-05-31 02:01:47 UTC
AV detection:
9 of 29 (31.03%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7td365qusxecygnkd3f76o44uymb4qbrbjee6niibkgvco6k26q._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
01476f904e668758ea516e84f359d6d0a4d85dadc179a51788a214ea46ff9dec
Formbook
2ff45850f2e31480bb0020b00786bc290a3979c3db934975e6d15155ba59b453
Formbook
3638ac885ef63f3b5bfadd95b0f43c34c3854e2483adde873b3d5fca7a831632
Formbook
3e23bf4937349c5f5cf233e30658562fca94d58790ebbe693e176fb595fb0b34
Formbook
456614711c0a92e9455fc588f27889ee37c509b2f5e8c901d351346e8cf6140c
Formbook
7d803e44c98cd23b971f692182f8d1d508fe82fb0fd6b681e7896c552d88411a
Formbook
917b37643dd312610d4b71e47b7841cfe33c1f0e842f8eb9c73101345d37d876
Formbook
a6f46c55982462a48a9fa43feb02b514df87a97b06a1ee073c57ae132cc1bec7
Formbook
c9b6e262a0d1effd54b6ffcdc4f761d159e21b74afd02519aed342c1d7fac68e
Formbook
ebe1f420ea3fcef5b426cf6458d23984e12c4ceb5983571699f60aaa963b159a
Formbook
+ 5'504 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210531-t25lnhgxsn/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Blocklisted process makes network request
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.yunastone.com/u6e4/
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/57e63dfbb0a4ae4160cd50f65ff9dce530c0f20188524279a840546a89de56bd

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.

Malspam

Formbook

Executable exe 57e63dfbb0a4ae4160cd50f65ff9dce530c0f20188524279a840546a89de56bd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/163355/

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