MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 771e4f69520f71afe6a6e9a4eb4de7dcd8d7521d90db290ca6c27b1a95c532af. 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 2 File information Comments
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SHA256 hash: 771e4f69520f71afe6a6e9a4eb4de7dcd8d7521d90db290ca6c27b1a95c532af
SHA3-384 hash: 66c649a335583c81e02f8d06720533ace55ba54977402c83a4009234c3fedc034518851ce0eaef0a5e89742ed8d80b08
SHA1 hash: b7d7329e94e2292ed53e2778cebec533ac599030
MD5 hash: 15d907e7d9f8286e5053796c9d78fcec
humanhash: social-mockingbird-cup-six
File name:15d907e7d9f8286e5053796c9d78fcec
Download: download sample
Signature Formbook
Create hunting rule
File size:993'792 bytes
First seen:2021-06-11 14:54:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:vo2y0RBSy/DrDoqbg1L+8XAaIXqziNeBUdt:vXNzrrDoeg1qYBIOiwBU
Threatray 5'786 similar samples on MalwareBazaar
TLSH 0925F13167849F15E47F777C9524400867F5F02BE322D78DBCF485EE0922A818AB7A6B
Reporter zbetcheckin
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
15d907e7d9f8286e5053796c9d78fcec
Verdict:
Suspicious activity
Analysis date:
2021-06-11 14:58:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d77422be-2575-4198-80c9-5554ae1371bb

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/166147/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn34.24307.22607.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/466b45f6-212b-4a4c-8bb5-5276e5b78a7f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/800947
Signature
.NET source code contains potential unpacker
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
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: 433343 Sample: UOMp9cDcqZ Startdate: 11/06/2021 Architecture: WINDOWS Score: 100 33 www.zgcbw.net 2->33 35 clientconfig.passport.net 2->35 37 www.trendbold.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 11 UOMp9cDcqZ.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\UOMp9cDcqZ.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 UOMp9cDcqZ.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 39 cleanxcare.com 78.31.67.91, 49729, 80 MYLOC-ASIPBackboneofmyLocmanagedITAGDE Germany 18->39 41 www.hazard-protection.com 148.59.128.71, 49731, 80 GREENHOUSE-WYUS Canada 18->41 43 7 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 22 colorcpl.exe 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/771e4f69520f71afe6a6e9a4eb4de7dcd8d7521d90db290ca6c27b1a95c532af/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
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Status:
Malicious
First seen:
2021-06-10 11:40:56 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14b95763e86e899de22402ae2d7204ff7d9ceab85a12a1599a6c8d5964fa306a
Formbook
196b6069472a478c158cae56200e7d627d7e6b32ab1f361a36b75234bbf998de
Formbook
719604b516f11740266b2c7a8a61129f779caf4c1f9e16bac35d39f5792a009b
Formbook
7f7b9a821ef29341ad942eb4c3ea5a68778e9b606f30fe7ee4da08f08ad2a37b
Formbook
9998ff1d42d8af0fcc166bea36887eebf182e91d1816853d9f80e6cbbbaf9145
Formbook
bf6ae876108b5fec915d91bd36d3ccd22c8593be29412521c32a4b3f11a757f0
Formbook
c8ae2ba5bc167ab220f8d6e57d6672f64093b7c8e54fee7b810614ec98641aeb
Formbook
dca4ef28227337fd8db96514bf0304a4623784e61fb78e081911b9c8f0d9fa81
Formbook
e1339c4548f73e4f250fed46d56bbce84491ca122aed7527731bb8d72df83e11
Formbook
e849c7a7302e028b74f1f8d4c4bf715db8fde7fdb80747a4b791d7a3fde9d5e4
Formbook
+ 5'776 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210611-1588ak8m3e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
Unpacked files
SH256 hash:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
Link:
https://www.unpac.me/results/74f60131-15a5-4029-b577-d4edadff5702/
SH256 hash:
771e4f69520f71afe6a6e9a4eb4de7dcd8d7521d90db290ca6c27b1a95c532af
MD5 hash:
15d907e7d9f8286e5053796c9d78fcec
SHA1 hash:
b7d7329e94e2292ed53e2778cebec533ac599030
Link:
https://www.unpac.me/results/74f60131-15a5-4029-b577-d4edadff5702/
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/771e4f69520f71afe6a6e9a4eb4de7dcd8d7521d90db290ca6c27b1a95c532af

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
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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 771e4f69520f71afe6a6e9a4eb4de7dcd8d7521d90db290ca6c27b1a95c532af

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/166147/
  
URLhaus
https://urlhaus.abuse.ch/url/1349252/

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