MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db737716649c61d231c2f21b7fb84b0bec8a0db615a048b957f292db14c4b468. 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 2 File information Comments 1
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SHA256 hash: db737716649c61d231c2f21b7fb84b0bec8a0db615a048b957f292db14c4b468
SHA3-384 hash: 19fcda9d6d8fb16a633adfe80838f0cded843c3a3736047465df50b4651530ed0b924f3b2eaf91fa1debd67eaeece315
SHA1 hash: 4156b560dcdd2cec9325721fb719786440386b97
MD5 hash: 7f39683aaeb92cb4d7e926d95c345525
humanhash: mango-nitrogen-network-timing
File name:7f39683aaeb92cb4d7e926d95c345525
Download: download sample
Signature Formbook
Create hunting rule
File size:498'688 bytes
First seen:2022-01-31 14:06:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:qVO7J13pyNwz2wa7HXCPB6OE9n97VdSfPmaQE6H3p:qVOVfyNdwabXCp6OE5HdS5z0
Threatray 13'149 similar samples on MalwareBazaar
TLSH T104B4ADB4A1A78551F10BC974257CFE6502B235E3A9C90E3927793604CFEEF583E84A4E
File icon (PE):PE icon
dhash icon 8cfcd89cccc8d0b0 (23 x AgentTesla, 14 x Formbook, 4 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/228462/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61f7ed09d9e6538232d7b546/reports/c2523e6a-c45d-43bd-b056-416f0d9117c9/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ff5075b4-3973-422d-9b5d-bd88bd36c107
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/931282
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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: 563758 Sample: clDYXKkE0x Startdate: 31/01/2022 Architecture: WINDOWS Score: 100 31 www.fairytalesinc.com 2->31 33 fairytalesinc.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 clDYXKkE0x.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\clDYXKkE0x.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 clDYXKkE0x.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 35 www.workerscompfl1.com 162.209.67.117, 49811, 80 RMH-14US United States 18->35 37 www.semejnyjochag.com 172.67.176.14, 49813, 80 CLOUDFLARENETUS United States 18->37 39 12 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 control.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 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:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db737716649c61d231c2f21b7fb84b0bec8a0db615a048b957f292db14c4b468/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-01-31 14:07:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0c14a21116ea3497be0c08563fc63f52b51b48bbab421face0ef44450cf09128
Formbook
15b9254c95a968eda264a52b68c3b315261b7f74a81ce68e4ea25295c160b563
Formbook
43b262f0fc6657ddbdef489ab15c945a4cec8a34afdf70ffbfa2bae17e60f339
Formbook
5e39768c8fd6bb7644322000828b9bd1c34d25c3be1a9a712761ba834910fcf0
Formbook
62a8d9c573e476376bcee82ee5f719e0598bf65be1f69c58a361d211c60f7e98
Formbook
959b7ce61e82bc7f837042b10627c2d87442d52a243eafa8b837419ec0174418
Formbook
a5a0ba62139ec5bfce38972515fe03f1e8d7aafeae6a1a8a555e3b09abe766df
Formbook
b19fd4dfc771a8d5f623d780c5e3f184072a267c37ec9b9c04b77cc2c341d685
Formbook
b3cee8c368d6505d02ba564d72c915341fc782bfa5feda3a1648e448623d6c21
Formbook
d8f9f18ca77ac63237fe6a694ec9e5a11984784eeff38d3494cbc24c5d2dfd13
Formbook
+ 13'139 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Link:
https://tria.ge/reports/220131-rey8mshhc5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
65f0bce9dc0a9ac44240513d358c8e469e1a57b50b0f9c7d953f6e00bd6861fa
MD5 hash:
905b1dc3e024e593c76ef625223d4412
SHA1 hash:
1929c9f87e67cd623d28aa4d5f58d7ed2b8a067f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9713e468-f8a7-461c-ba35-06340a31363a/
Parent samples :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 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
Link:
https://www.unpac.me/results/9713e468-f8a7-461c-ba35-06340a31363a/
SH256 hash:
ce04c50b637f843d1c49b0c167150c5a31507cadf36a903fcb8635da282c2bb9
MD5 hash:
ab949deb108af926f7e91bddb98154b1
SHA1 hash:
8da555ee067e09a498dddc91feb764dae88e8880
Link:
https://www.unpac.me/results/9713e468-f8a7-461c-ba35-06340a31363a/
SH256 hash:
db737716649c61d231c2f21b7fb84b0bec8a0db615a048b957f292db14c4b468
MD5 hash:
7f39683aaeb92cb4d7e926d95c345525
SHA1 hash:
4156b560dcdd2cec9325721fb719786440386b97
Link:
https://www.unpac.me/results/9713e468-f8a7-461c-ba35-06340a31363a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/db737716649c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/db737716649c61d231c2f21b7fb84b0bec8a0db615a048b957f292db14c4b468

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: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 db737716649c61d231c2f21b7fb84b0bec8a0db615a048b957f292db14c4b468

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2018482/
Cape
Cape
https://www.capesandbox.com/analysis/228462/

Comments


Avatar
zbet commented on 2022-01-31 14:06:16 UTC

url : hxxp://103.167.92.57/crc/vbc.exe