MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21b3aba425cfa96bd3c5db2b306591a3a2aa1c8ee6fbdeddfdf60b5e1c0df0ea. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21b3aba425cfa96bd3c5db2b306591a3a2aa1c8ee6fbdeddfdf60b5e1c0df0ea
SHA3-384 hash: dd06b1993c81d8603f90f9b90e62fff90b509dbfbdbd986155590b5a962c771fa86624a16b4d22cb3b174298a3f82f38
SHA1 hash: 242c3feb78e57de5c30b6f4f6b6d5d9b3332eb08
MD5 hash: 8252e0bd8e579259cc18ceae0c5c6d64
humanhash: quebec-maine-mars-golf
File name:8252e0bd8e579259cc18ceae0c5c6d64
Download: download sample
Signature Formbook
Create hunting rule
File size:782'336 bytes
First seen:2021-06-10 15:53:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ldam8GlMV40J8Sd2AjMqioxcYP3iJ9LfPnkSrIlGOLq+hJickHu9ue6eO1wPIl:ldam8GUwxucYP3ojn5rIAQqEickHu8VZ
Threatray 5'904 similar samples on MalwareBazaar
TLSH B9F4E02517489B28E17F877AC061410487F5EA03C723DA8EFD9598CD3E223C6D76FA5A
Reporter zbetcheckin
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8252e0bd8e579259cc18ceae0c5c6d64
Verdict:
Suspicious activity
Analysis date:
2021-06-10 15:55:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f882b222-d239-407a-893b-f979031f78e6

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/165913/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.832.15402.2691.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
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.
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/800339
Signature
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
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: 432735 Sample: SKlGhwkzTi Startdate: 10/06/2021 Architecture: WINDOWS Score: 100 29 www.adultpeace.com 2->29 31 adultpeace.com 2->31 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 6 other signatures 2->53 10 SKlGhwkzTi.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\SKlGhwkzTi.exe.log, ASCII 10->27 dropped 55 Tries to detect virtualization through RDTSC time measurements 10->55 57 Injects a PE file into a foreign processes 10->57 14 SKlGhwkzTi.exe 10->14         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 17 help.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Tries to detect virtualization through RDTSC time measurements 17->43 23 cmd.exe 1 17->23         started        33 www.69-1hn7uc.net 163.43.122.119, 49769, 80 SAKURA-BSAKURAInternetIncJP Japan 20->33 35 biztekno.com 151.106.118.75, 49768, 80 PLUSSERVER-ASN1DE Germany 20->35 37 10 other IPs or domains 20->37 45 System process connects to network (likely due to code injection or exploit) 20->45 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21b3aba425cfa96bd3c5db2b306591a3a2aa1c8ee6fbdeddfdf60b5e1c0df0ea/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-06-10 11:40:56 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14b95763e86e899de22402ae2d7204ff7d9ceab85a12a1599a6c8d5964fa306a
Formbook
161ce90a5dbcb52a305aec3d3372c4a35880a7626d0b4e4c927558d4ebae010a
Formbook
196b6069472a478c158cae56200e7d627d7e6b32ab1f361a36b75234bbf998de
Formbook
5b7770f02c562dffdbe0cd638e288adba8f340c7231ef30fa2860b7f4b9dfa80
Formbook
719604b516f11740266b2c7a8a61129f779caf4c1f9e16bac35d39f5792a009b
Formbook
780555ffbda34b2fe63790a38a7c3e4df0b437d17c22fe7c886fcd2ee72684d0
Formbook
7c8eea0e649a176edb83fc19998f0e99be49c7bee1ff9090d1be69f614554088
Formbook
9c335d547092d063a6bc46441486d5336c62818b648139ab92839e30ef230c4a
Formbook
b736f06a6b82ce1a53ccf2f50cf4d73c24c00750778bebe152dcf3c1956671f9
Formbook
e1339c4548f73e4f250fed46d56bbce84491ca122aed7527731bb8d72df83e11
Formbook
+ 5'894 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210610-39fxdndlf6/
Behaviour
Suspicious behavior: EnumeratesProcesses
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/063578c3-6802-40ea-9b2e-8ba6d1cea216/
SH256 hash:
21b3aba425cfa96bd3c5db2b306591a3a2aa1c8ee6fbdeddfdf60b5e1c0df0ea
MD5 hash:
8252e0bd8e579259cc18ceae0c5c6d64
SHA1 hash:
242c3feb78e57de5c30b6f4f6b6d5d9b3332eb08
Link:
https://www.unpac.me/results/063578c3-6802-40ea-9b2e-8ba6d1cea216/
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/21b3aba425cfa96bd3c5db2b306591a3a2aa1c8ee6fbdeddfdf60b5e1c0df0ea

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 21b3aba425cfa96bd3c5db2b306591a3a2aa1c8ee6fbdeddfdf60b5e1c0df0ea

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1349255/
Cape
Cape
https://www.capesandbox.com/analysis/165913/

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