MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c9a99423087bdfd23df04a29984273ba056021ee54e815d2cd85103a9548eff. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1
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SHA256 hash: 9c9a99423087bdfd23df04a29984273ba056021ee54e815d2cd85103a9548eff
SHA3-384 hash: 53da9b461e53002a83f6c9a333d63210e0fb2175453f773a0ad594b721c02a80db5875c0295436db6814d94fc2731091
SHA1 hash: 298da015025154518be5739918956b6b96b91090
MD5 hash: f977d96c98335083d54f9b9b54fb0cd9
humanhash: colorado-hawaii-nitrogen-colorado
File name:f977d96c98335083d54f9b9b54fb0cd9
Download: download sample
Signature Formbook
Create hunting rule
File size:529'408 bytes
First seen:2021-10-15 06:32:54 UTC
Last seen:2021-10-15 09:51:27 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 6144:7FLHgMkhBmA8L8z14cb5TrJbGAdRkx4wSsOXgMx7Dml3SjK:75SBYgWcJrJBdRkpOXk
Threatray 10'600 similar samples on MalwareBazaar
TLSH T1D6B4E744E5F5E8D9C0072176A83DF134291BFB4A9377CC6A2B19788760AF392617BE0D
File icon (PE):PE icon
dhash icon e89496b2968ebaf4 (1 x Formbook, 1 x CryptBot)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f977d96c98335083d54f9b9b54fb0cd9
Verdict:
Suspicious activity
Analysis date:
2021-10-15 06:35:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c35e5adf-d19d-4b69-a2c7-d2bccd081081

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/197666/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.17829.23264.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616920a0fd35fe780c4242fa/reports/7c6c0bb4-894a-4622-90e0-626c87398951/overview
Result
Verdict:
UNKNOWN
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/fbd7c703-266c-46dc-898d-f1192a9e1b9a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/870948
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
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 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: 503376 Sample: 7UMLyz3hby Startdate: 15/10/2021 Architecture: WINDOWS Score: 100 33 www.yfly624.xyz 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Found malware configuration 2->45 49 8 other signatures 2->49 11 7UMLyz3hby.exe 3 2->11         started        signatures3 47 Performs DNS queries to domains with low reputation 33->47 process4 file5 31 C:\Users\user\AppData\...\7UMLyz3hby.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 7UMLyz3hby.exe 11->15         started        18 7UMLyz3hby.exe 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected process9 dnsIp10 35 xn--lcka2cufqed6765c4ef1x1g.xyz 150.95.59.9, 49849, 80 INTERQGMOInternetIncJP Japan 20->35 37 www.kickonlines.com 172.67.164.38, 49843, 80 CLOUDFLARENETUS United States 20->37 39 12 other IPs or domains 20->39 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Performs DNS queries to domains with low reputation 20->53 24 control.exe 20->24         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/9c9a99423087bdfd23df04a29984273ba056021ee54e815d2cd85103a9548eff/
Threat name:
ByteCode-MSIL.Backdoor.Androm
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Status:
Malicious
First seen:
2021-10-15 03:07:11 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ef7e1f834d6901fe15bcdbf1c35bb858b921e959d233065277a1457bd72549d
Formbook
2f2831bdecd1f925134fd944fc57f84b76ffe872e01c66f3662f1f9194a4b362
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
4312338fa3a54a500f4ad22298d914752370161989187183b296255478f189c7
Formbook
4dc95a3bcf000bee17c567dcb6047c2e523641ad704f6e677421e817440c51f4
Formbook
67c2d1838c17151b34861887e15359c92dad555ce861d809b2f7cd9688e4455c
Formbook
96a54086e0d1667ed27dacd61ce88129d2ae1236718babe4ee5b3054385cc215
Formbook
99cdf3421923232c160c5075af3bf8620df65bd59cf99cc341f17a58e1eeb4f2
Formbook
affea9c276ded88eea1e39ac39fb19373c4b62d4251fb1d06f37a05e35dfa463
Formbook
de77b81edea1415267968223cc3a1d67f95ebf87a8830363492d19e4126f1f2d
Formbook
+ 10'590 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-ha7jsabcfq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.aliexpress-br.com/mexq/
Unpacked files
SH256 hash:
cdcc0861e8b5470d5a925f716b26ddce9fef3bf46940b9bbbbdfe73c3a213d2d
MD5 hash:
100ab8d220e44515f3991b41a16f772c
SHA1 hash:
7bb1b8da84e68add74bf652f9bdb5f91a7d2d98f
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/fd357d7e-086d-469a-b4c1-615d931d12d0/
Parent samples :
de77b81edea1415267968223cc3a1d67f95ebf87a8830363492d19e4126f1f2d
2f2831bdecd1f925134fd944fc57f84b76ffe872e01c66f3662f1f9194a4b362
9c9a99423087bdfd23df04a29984273ba056021ee54e815d2cd85103a9548eff
04ed65784009bd39c546c4a6473a44799d0444d40ff9796c2921a70db6ec2a72
0f555c4b2772b0955e8c475de56d0a24f8c54f316c82a6e0cfb5bc2b228af6ef
SH256 hash:
e60a009f5bb40178af550e1a0da30b0cc47a855fa949c5247970edd055c73fc8
MD5 hash:
81d76f9774dd49d360f9d1af0df83253
SHA1 hash:
fea3c1f68b08e9ccef7f52e094e0b0f2cbad3f60
Link:
https://www.unpac.me/results/fd357d7e-086d-469a-b4c1-615d931d12d0/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/fd357d7e-086d-469a-b4c1-615d931d12d0/
SH256 hash:
9c9a99423087bdfd23df04a29984273ba056021ee54e815d2cd85103a9548eff
MD5 hash:
f977d96c98335083d54f9b9b54fb0cd9
SHA1 hash:
298da015025154518be5739918956b6b96b91090
Link:
https://www.unpac.me/results/fd357d7e-086d-469a-b4c1-615d931d12d0/
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/9c9a99423087bdfd23df04a29984273ba056021ee54e815d2cd85103a9548eff

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
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 9c9a99423087bdfd23df04a29984273ba056021ee54e815d2cd85103a9548eff

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1679831/
Cape
Cape
https://www.capesandbox.com/analysis/197666/

Comments


Avatar
zbet commented on 2021-10-15 06:32:57 UTC

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