MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4312338fa3a54a500f4ad22298d914752370161989187183b296255478f189c7. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4312338fa3a54a500f4ad22298d914752370161989187183b296255478f189c7
SHA3-384 hash: a95d36d4f88dd30ab88d7b256f1390b3beeb6288cfed05299689d3424986313383ae43f1f017cf91979b283b3edbc915
SHA1 hash: 2ab5119448e37c64af23c0bcd73f0694b00dc0e8
MD5 hash: 98fc6998c7943f10c6eab32dd5f87e92
humanhash: washington-muppet-enemy-montana
File name:98fc6998c7943f10c6eab32dd5f87e92
Download: download sample
Signature Formbook
Create hunting rule
File size:58'368 bytes
First seen:2021-10-15 04:27:53 UTC
Last seen:2021-10-15 07:07:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 768:ZWEWY9JUu8x4ssAw7EyeiFuh84wmlCW69Psf1HBKNnp5r/A83U5K21AJJ:YLGSxnDAD8l764nctA83W1uJ
Threatray 10'585 similar samples on MalwareBazaar
TLSH T13F435B40B7889722D7AE35378297914513B693E3663BDB2A3FCE54E828833971E0D74D
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
98fc6998c7943f10c6eab32dd5f87e92
Verdict:
Malicious activity
Analysis date:
2021-10-15 04:34:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/79ee5572-c500-4c94-a8ca-b6a4d809e2eb

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/197655/
Detection(s):
SecuriteInfo.com.generic.ml.28351.31769.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
packed
Link:
https://www.filescan.io/uploads/61690355fd35fe780c41f8ad/reports/931a735f-a220-4d28-9c4d-3b80c4a81abe/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:
Malicious
Link:
https://analyze.intezer.com/analyses/54f5d5ce-3384-43bf-a2fe-93d361070aac
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/870918
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 503346 Sample: DxyqmMxfK5 Startdate: 15/10/2021 Architecture: WINDOWS Score: 100 38 www.rd26x.com 2->38 40 www.andypartridge.photography 2->40 42 2 other IPs or domains 2->42 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 4 other signatures 2->58 11 DxyqmMxfK5.exe 15 2 2->11         started        signatures3 process4 dnsIp5 50 cdn.discordapp.com 162.159.129.233, 443, 49728, 49729 CLOUDFLARENETUS United States 11->50 72 Tries to detect virtualization through RDTSC time measurements 11->72 74 Hides threads from debuggers 11->74 15 DxyqmMxfK5.exe 11->15         started        18 WerFault.exe 23 9 11->18         started        21 DxyqmMxfK5.exe 11->21         started        signatures6 process7 file8 76 Modifies the context of a thread in another process (thread injection) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Sample uses process hollowing technique 15->80 82 Queues an APC in another process (thread injection) 15->82 23 explorer.exe 15->23 injected 36 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->36 dropped signatures9 process10 dnsIp11 44 www.hcswwsz.com 23.110.31.67, 49785, 80 LEASEWEB-USA-LAX-11US United States 23->44 46 www.sotlbb.com 154.86.222.107, 49773, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 23->46 48 5 other IPs or domains 23->48 60 System process connects to network (likely due to code injection or exploit) 23->60 62 Performs DNS queries to domains with low reputation 23->62 27 mstsc.exe 23->27         started        30 autofmt.exe 23->30         started        signatures12 process13 signatures14 64 Self deletion via cmd delete 27->64 66 Modifies the context of a thread in another process (thread injection) 27->66 68 Maps a DLL or memory area into another process 27->68 70 Tries to detect virtualization through RDTSC time measurements 27->70 32 cmd.exe 1 27->32         started        process15 process16 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4312338fa3a54a500f4ad22298d914752370161989187183b296255478f189c7/
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ef7e1f834d6901fe15bcdbf1c35bb858b921e959d233065277a1457bd72549d
Formbook
2f2831bdecd1f925134fd944fc57f84b76ffe872e01c66f3662f1f9194a4b362
Formbook
4dc95a3bcf000bee17c567dcb6047c2e523641ad704f6e677421e817440c51f4
Formbook
67c2d1838c17151b34861887e15359c92dad555ce861d809b2f7cd9688e4455c
Formbook
90e1eac40edda005fffadbb1d16c652d16e685f8f4cf7375eb6ac928222c3a1c
Formbook
96a54086e0d1667ed27dacd61ce88129d2ae1236718babe4ee5b3054385cc215
Formbook
99cdf3421923232c160c5075af3bf8620df65bd59cf99cc341f17a58e1eeb4f2
Formbook
affea9c276ded88eea1e39ac39fb19373c4b62d4251fb1d06f37a05e35dfa463
Formbook
de77b81edea1415267968223cc3a1d67f95ebf87a8830363492d19e4126f1f2d
Formbook
f5447c22561c0692e385ef3c0ef0ed84d4ce35042f0839bddd7de9aeaa1f777a
Formbook
+ 10'575 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mexq loader rat
Link:
https://tria.ge/reports/211015-e3n2csbccj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.aliexpress-br.com/mexq/
Unpacked files
SH256 hash:
4312338fa3a54a500f4ad22298d914752370161989187183b296255478f189c7
MD5 hash:
98fc6998c7943f10c6eab32dd5f87e92
SHA1 hash:
2ab5119448e37c64af23c0bcd73f0694b00dc0e8
Link:
https://www.unpac.me/results/3fac43e2-ea07-418e-a49c-e8b066f7c0a6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4312338fa3a54a500f4ad22298d914752370161989187183b296255478f189c7

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: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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe 4312338fa3a54a500f4ad22298d914752370161989187183b296255478f189c7

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1679594/
Cape
Cape
https://www.capesandbox.com/analysis/197655/

Comments


Avatar
zbet commented on 2021-10-15 04:27:54 UTC

url : hxxp://13.92.100.208/fmd/audio.exe