MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef799e234fba127a4802668ff58509e2ee986168f86586318cfd9bc3a1b8fa6c. 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 File information Comments 1
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SHA256 hash: ef799e234fba127a4802668ff58509e2ee986168f86586318cfd9bc3a1b8fa6c
SHA3-384 hash: 78bed85b066d5ea2e928a3a48f5f6b4a6cc27dd51541a38903bd69c5d376aa552d0331b3c438e200422e0d90e447865a
SHA1 hash: becd65bea11233606be5804255b2dcbae4779aff
MD5 hash: ec5b1141b1dd7c45537d2415f8a88bc4
humanhash: queen-east-golf-oranges
File name:ec5b1141b1dd7c45537d2415f8a88bc4
Download: download sample
Signature Formbook
Create hunting rule
File size:433'635 bytes
First seen:2022-01-05 09:02:28 UTC
Last seen:2022-01-05 11:11:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:jbLDdmuzYWsan2EXj5D4lCazNsTWoYNaKs/fmiKY:jpEabj58ljZJ7DY
Threatray 12'780 similar samples on MalwareBazaar
TLSH T10A9423FAA4D4289BD99A5A3598F3C27CC3EB0169ECAD4473DB826EFD41719C11837B40
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BoL_ PL_010522.xlsx
Verdict:
Malicious activity
Analysis date:
2022-01-05 08:31:39 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/4249185b-2e4c-4ca9-beb4-d8aadf29c73a

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/217406/
Detection(s):
SecuriteInfo.com.Trojan.Risis.1.Gen.5700.30737.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
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61d55eccbfe53d318f2749e6/reports/3e2f018d-9f25-42ed-8196-7e63ba4e623b/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/804eb848-a059-41ed-baad-1d26b947b95b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/915719
Signature
Antivirus detection for URL or domain
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)
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 548197 Sample: ehTrpa6o9Y Startdate: 05/01/2022 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 4 other signatures 2->38 10 ehTrpa6o9Y.exe 18 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\...\vrxcvmrnb.dll, PE32 10->30 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 50 Injects a PE file into a foreign processes 10->50 14 ehTrpa6o9Y.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 process9 19 chkdsk.exe 17->19         started        signatures10 40 Self deletion via cmd delete 19->40 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46 22 cmd.exe 1 19->22         started        24 explorer.exe 2 155 19->24         started        26 explorer.exe 140 19->26         started        process11 process12 28 conhost.exe 22->28         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/ef799e234fba127a4802668ff58509e2ee986168f86586318cfd9bc3a1b8fa6c/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-01-05 09:03:11 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 28 (85.71%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19cf4ce7f3aa0cb41dae8a27aa4421dce752bb3e083e8e0daf138bdfc113c7e6
Formbook
204831bda7d04f0905f7bf0c39e45b3772935726d8a436ee9703a19098b37e21
Formbook
230f53c0367ccdf77ff1f665ea66fcb2e6bb18c999b798980d8e0c9c19421eb3
Formbook
6d722da095632d50aa49b4749a4e7db323889aee6fad1ecc2c5dd999e63c645e
Formbook
9050768f69225078f05d535401510a5b361dd071430e40639e869c7247621908
Formbook
b36e3385713986536d6e45ce45e17efb7f5adb295fe01934c69af535ba5dff10
Formbook
f5f1c939d0716dccf4bc706e78195b3207dd19665a6eb7fb152bd35a55ad3345
Formbook
f80dd0bf7402bebd03d303c97c8dd3f921d3e923a2521f4a2af2e4bf3c288aa1
Formbook
+ 12'770 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:r3ie loader rat
Link:
https://tria.ge/reports/220105-kz15eaabb7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Unpacked files
SH256 hash:
ef799e234fba127a4802668ff58509e2ee986168f86586318cfd9bc3a1b8fa6c
MD5 hash:
ec5b1141b1dd7c45537d2415f8a88bc4
SHA1 hash:
becd65bea11233606be5804255b2dcbae4779aff
Link:
https://www.unpac.me/results/1adebef9-f235-4819-ad42-6fa5b232d95a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ef799e234fba/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/ef799e234fba127a4802668ff58509e2ee986168f86586318cfd9bc3a1b8fa6c

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe ef799e234fba127a4802668ff58509e2ee986168f86586318cfd9bc3a1b8fa6c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1950563/
Cape
Cape
https://www.capesandbox.com/analysis/217406/

Comments


Avatar
zbet commented on 2022-01-05 09:02:30 UTC

url : hxxp://107.173.229.169/g1/scan_01.exe