MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16f669b8657b76f78a71e28f4b475856eddccfd143f2128275212b338aca8620. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
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SHA256 hash: 16f669b8657b76f78a71e28f4b475856eddccfd143f2128275212b338aca8620
SHA3-384 hash: 38baea7b5254fae9a507c95712ba1b1739d028363131c22aee828220ea0e25687a687db980195e6a3ca962ac122ab70b
SHA1 hash: 2e3d2af1d384f6a80770e5c2f8fbcb951e4683a4
MD5 hash: 82e166d241b5d164f295d23045aa6c66
humanhash: pennsylvania-mountain-autumn-oxygen
File name:Enquiry#List For Urgent Order070421.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'033'728 bytes
First seen:2021-07-05 22:08:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:c510Z7og9JiLvHBZkeYDo4YJlTa7lfi1YQ:p7ogiL/vpu+
Threatray 6'145 similar samples on MalwareBazaar
TLSH E4258D6676A0EF02F27E4B39D7DA2C0443F8A8179B9DDD1AFCF563C81042FA1611E586
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Enquiry#List For Urgent Order070421.Pdf.z
Verdict:
Malicious activity
Analysis date:
2021-07-05 08:46:27 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9ba3c9f7-bbff-4aba-bfee-be9d86d9c44c

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/169798/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.899-1.UNOFFICIAL
Create hunting rule

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/9b1a136b-da71-4a7b-ad3e-04994163558d
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811976
Signature
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 444387 Sample: Enquiry#List For Urgent Ord... Startdate: 06/07/2021 Architecture: WINDOWS Score: 100 31 www.refund.homes 2->31 33 www.binhminhxanh.club 2->33 35 4 other IPs or domains 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 8 other signatures 2->49 11 Enquiry#List For Urgent Order070421.exe 3 2->11         started        signatures3 process4 file5 29 Enquiry#List For U...Order070421.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Enquiry#List For Urgent Order070421.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.blog-asunaro.com 118.27.99.88, 49730, 80 INTERQGMOInternetIncJP Japan 18->37 39 www.invitadito.com 154.204.131.23, 49732, 80 ASLINE-AS-APASLINELIMITEDHK Seychelles 18->39 41 www.unitedphonerepair.com 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 colorcpl.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/16f669b8657b76f78a71e28f4b475856eddccfd143f2128275212b338aca8620/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2021-07-04 22:44:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c33gtodfpn3ppctr4khuwr2yk3w5zt6ripzbfatveevthcwkqyqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2af0658896a383b330189fc121c48dc390a90a1f1a61033326e01cb9e80465e9
Formbook
441a0a46bcdfdee8c8b6761798e75a65204eac43b47547557604f80f26b87e95
Formbook
59ced73cabf35385aaedb67d1b0cd813cc16f5f8e056add78cf50f3abc28351a
Formbook
6448c5144ca088ea86cb927c163a409a0a235e1c91cfcc3ab8f6ac687f0c8e80
Formbook
872d03fd7d4748230a0e84593f7a29c36f70a5c711ed4a4dc2c11a9d9774d06a
Formbook
98ca7ed2b77463b05ef9a753d9ba31fe37f30b509907db0d3d603f5e6920be1b
Formbook
9998ff1d42d8af0fcc166bea36887eebf182e91d1816853d9f80e6cbbbaf9145
Formbook
bf6ae876108b5fec915d91bd36d3ccd22c8593be29412521c32a4b3f11a757f0
Formbook
cfc09cd2a2109a174ccbc346779f2e19316be4601173e2e85c3e4314cc139017
Formbook
ef05dd27e2dc499d3c1f42f00525fea7204735acd45c7a03efb78a241a9f9660
Formbook
+ 6'135 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210705-zhksd6qfjx/
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.ydhchina.com/rnn4/
Unpacked files
SH256 hash:
b059f4728e20fe38134bead4000c06296e4c887f38eecbcc3597a9b8efa15c77
MD5 hash:
9d612df36c22cd22eb64eb315ff54a5a
SHA1 hash:
7259e2201f8213b8197eca663ce863ed04679179
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b6ffa50c-bfb8-4c5b-ace6-e502644cb2d6/
Parent samples :
2af0658896a383b330189fc121c48dc390a90a1f1a61033326e01cb9e80465e9
98ca7ed2b77463b05ef9a753d9ba31fe37f30b509907db0d3d603f5e6920be1b
872d03fd7d4748230a0e84593f7a29c36f70a5c711ed4a4dc2c11a9d9774d06a
16f669b8657b76f78a71e28f4b475856eddccfd143f2128275212b338aca8620
72ea41f7ce02b41072d1dce424f9e4a2a7c9e414c1038d26a11f685a3371473e
8ea636d851faf7ce0769fbbe7856659d0eb6638353df90e0c93f461ac3a932be
1ba55b6d19b202f0a3fa11a7122a210ed0041074bf30fc754bbc87c1a793304b
SH256 hash:
0e7b6b6b5aba9ef223867ada36d773b86ff857c35f1edcc67c9a75701ed9b59f
MD5 hash:
0652f209d5e8ebfe5aeb0a4c3e59e068
SHA1 hash:
c935abc40b3c9a3eb889eba4f002ecdb29b7a700
Link:
https://www.unpac.me/results/b6ffa50c-bfb8-4c5b-ace6-e502644cb2d6/
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
Link:
https://www.unpac.me/results/b6ffa50c-bfb8-4c5b-ace6-e502644cb2d6/
SH256 hash:
16f669b8657b76f78a71e28f4b475856eddccfd143f2128275212b338aca8620
MD5 hash:
82e166d241b5d164f295d23045aa6c66
SHA1 hash:
2e3d2af1d384f6a80770e5c2f8fbcb951e4683a4
Link:
https://www.unpac.me/results/b6ffa50c-bfb8-4c5b-ace6-e502644cb2d6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/16f669b8657b76f78a71e28f4b475856eddccfd143f2128275212b338aca8620

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
Create hunting rule
Rule name:quakbot_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/169798/

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