MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43b262f0fc6657ddbdef489ab15c945a4cec8a34afdf70ffbfa2bae17e60f339. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 43b262f0fc6657ddbdef489ab15c945a4cec8a34afdf70ffbfa2bae17e60f339
SHA3-384 hash: e0dfe1dd6c06200eb621654a2a71a9402522f476279a3fac32317c83626d742b62f4e7ef74ef45bd9c14d7cc58fb1faa
SHA1 hash: 933f89b053c7a6a9e3366cb6b8cc35af05359525
MD5 hash: 7fb13d2e98e3805fca5ee6f0f78d4e69
humanhash: kitten-oklahoma-triple-montana
File name:7fb13d2e98e3805fca5ee6f0f78d4e69.exe
Download: download sample
Signature Formbook
File size:487'828 bytes
First seen:2021-12-16 09:29:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:RmVgrZIrnT+D86yaIf/QRjpsGZmtoUQhPXEDuTLu3s1Ch:QVgNETMiRA3LZmWUQJ3Y
Threatray 12'467 similar samples on MalwareBazaar
TLSH T1CEA423B5BED04886E87E4D303D33AAB5DBFEF5C80A8B96471F681BDD3E312925106452
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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 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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 540864 Sample: DJEu0gCilD.exe Startdate: 16/12/2021 Architecture: WINDOWS Score: 100 31 www.workerscompfl1.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 3 other signatures 2->45 11 DJEu0gCilD.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\wkllv.dll, PE32 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 DJEu0gCilD.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 33 dairatwsl.com 162.241.244.46, 49743, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 www.5gwirelesszone.com 64.98.145.30, 49790, 80 TUCOWS-3CA Canada 18->35 37 12 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-12-16 07:41:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Unpacked files
SH256 hash:
43b262f0fc6657ddbdef489ab15c945a4cec8a34afdf70ffbfa2bae17e60f339
MD5 hash:
7fb13d2e98e3805fca5ee6f0f78d4e69
SHA1 hash:
933f89b053c7a6a9e3366cb6b8cc35af05359525
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 43b262f0fc6657ddbdef489ab15c945a4cec8a34afdf70ffbfa2bae17e60f339

(this sample)

  
Delivery method
Distributed via web download

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