MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35dca540318f9e0fdc12b54f0e0a588fef8047bea5c7163db9e3e7bd6975f929. 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 7 File information Comments
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SHA256 hash: 35dca540318f9e0fdc12b54f0e0a588fef8047bea5c7163db9e3e7bd6975f929
SHA3-384 hash: 939310a4b9d253c80befcd1cd7396be55fe14d50424914c782bcf63b548da4813f6f7e748ae70ddc97866dffd8d20b58
SHA1 hash: de5a1464252a73eaa9508e9fa251c1ae07ded3f3
MD5 hash: 1c7983d6cd1736f2e08ea351ac11bf0a
humanhash: cat-uniform-three-social
File name:Siparişi.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'151'630 bytes
First seen:2022-10-06 21:57:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:0AOcZ2i74/ZpySkKWkl0jF+STr+Mo5pem+AUV:iLdkXAS+Axo5EmC
TLSH T179351202BBD58472E4732A325939AB26AD7D79324F24DB1E73E04D6EDE345806324B73
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0d8ec9898f0d8aa (9 x Formbook, 6 x NanoCore, 3 x Vjw0rm)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/317422/
Detection(s):
SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Adding an access-denied ACE
Launching a process
DNS request
Launching the default Windows debugger (dwwin.exe)
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/41607/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
greyware nanocore overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/633f4f6b49c58ce767c66d95/reports/19ecdfbe-c0b9-400e-8f8a-44809db07375/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1c2b37a8-d05d-4e5b-bdbc-698fe2dbcea1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1085357
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 717914 Sample: Sipari#U015fi.exe Startdate: 06/10/2022 Architecture: WINDOWS Score: 100 25 Multi AV Scanner detection for domain / URL 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus detection for URL or domain 2->29 31 4 other signatures 2->31 9 Sipari#U015fi.exe 3 38 2->9         started        process3 file4 23 C:\Users\user\AppData\Local\...\atdxsn.exe, PE32 9->23 dropped 12 wscript.exe 1 9->12         started        process5 process6 14 atdxsn.exe 2 12->14         started        signatures7 33 Contains functionality to inject code into remote processes 14->33 35 Writes to foreign memory regions 14->35 37 Injects a PE file into a foreign processes 14->37 17 RegSvcs.exe 14->17         started        19 RegSvcs.exe 14->19         started        process8 process9 21 WerFault.exe 23 11 17->21         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/35dca540318f9e0fdc12b54f0e0a588fef8047bea5c7163db9e3e7bd6975f929/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-10-06 11:00:52 UTC
File Type:
PE (Exe)
Extracted files:
104
AV detection:
20 of 41 (48.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gxokkqbrr6pa7xaswvhq4csyr7xyar56uxdrmpnz4pt322lv7euq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:oy10 rat spyware stealer trojan
Link:
https://tria.ge/reports/221006-1vgg7sbbcm/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c36a5f56-e59c-47dd-8e67-589aec3c6ae1
Unpacked files
SH256 hash:
698621c5bd32e84675eedcc2466ddc04cb62ecac17bdb186152ee11e1adc71ab
MD5 hash:
ad15bb401a09b2c9b1eea799f7bf5d3b
SHA1 hash:
409e7d67e90d2c1913dcb9317f784e907c86c6f4
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e4f093a4-e7da-4a8c-b86e-4b332d4a7560/
Parent samples :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 hash:
5f312b8f9e45666fc404944b1a80e65416313dab51b46704eba880d5fc6abb13
MD5 hash:
80f28888f7076642a92e18138f1eb8bd
SHA1 hash:
4aa0e9a5bef4c0665710692408ee9e5d2638dba3
Link:
https://www.unpac.me/results/e4f093a4-e7da-4a8c-b86e-4b332d4a7560/
SH256 hash:
35dca540318f9e0fdc12b54f0e0a588fef8047bea5c7163db9e3e7bd6975f929
MD5 hash:
1c7983d6cd1736f2e08ea351ac11bf0a
SHA1 hash:
de5a1464252a73eaa9508e9fa251c1ae07ded3f3
Link:
https://www.unpac.me/results/e4f093a4-e7da-4a8c-b86e-4b332d4a7560/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/35dca540318f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/35dca540318f9e0fdc12b54f0e0a588fef8047bea5c7163db9e3e7bd6975f929

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
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Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 35dca540318f9e0fdc12b54f0e0a588fef8047bea5c7163db9e3e7bd6975f929

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/317422/

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