MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c
SHA3-384 hash: 65d08b58fd9eddedb8a4038396666c9a7c6df1183909446621d1c8a31d96485a1fd650b055fb78d961429c6e65494960
SHA1 hash: 742aeb037b5bda38bb168e4ae65dd007443dcd75
MD5 hash: d9902307e68c63e1599c4ab0cde18395
humanhash: freddie-thirteen-harry-angel
File name:d9902307e68c63e1599c4ab0cde18395.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:212'101 bytes
First seen:2021-03-24 07:38:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1a57b635b23ffd553b3fd1e0960b2bd (39 x Formbook, 29 x Loki, 27 x AgentTesla)
ssdeep 3072:FpK2MjBUnfCco/KCnP5+9TOgV2Fb29XSo1QuBtYIttitG7Ox4dGnI+8C19b6:FXMjoK/KCPaTOgEFb2MoEI/J79+I+vb6
Threatray 4'295 similar samples on MalwareBazaar
TLSH BC241253A0D0B0FBDAA367325AFBF72BD23DE99303919C874F850F1A5D24542AE0D646
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://kungsb2stdytalenstej.dns.army/kung2doc/winlog.exe
Verdict:
Malicious activity
Analysis date:
2021-03-24 05:46:06 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ee8d4d66-e14e-4e20-af6b-fbc28f26adeb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.28082.20963.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/651794
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 374847 Sample: 4TYyYEdhtj.exe Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 31 www.somht.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 7 other signatures 2->45 11 4TYyYEdhtj.exe 12 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\51629o4z9.dll, PE32 11->29 dropped 55 Detected unpacking (changes PE section rights) 11->55 57 Maps a DLL or memory area into another process 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 4TYyYEdhtj.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 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 janetdeemasks.com 108.167.181.59, 49732, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 www.jickstarter.com 103.224.182.243, 49726, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->35 37 14 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 raserver.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c/
Threat name:
Win32.Trojan.Predator
Create hunting rule
Status:
Malicious
First seen:
2021-03-24 02:01:16 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
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1ed998332afc95e5830817b9f215468c55e67cd134c920b497521042bd6d4c38
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298b7204317915aa463fecd43ee99abbb9020e993dc0ffdcc5e382d0f590a7b8
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67b662f28ef6c6a148443ebece272e63e7eeb9d366032b4366fe459b7c5c41f8
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7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
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c8aaa220adc918c9972a9c588db765290bf51553bed7da48c604d188136d3073
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ebb6267e5c3bf10ec8ccba29d6fd2c7b747cef8b758db1544caf9edc7f117d7b
Formbook
+ 4'285 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210324-hrfbzswgcj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.capacitaciondelfuturo.com/m2be/
Unpacked files
SH256 hash:
87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c
MD5 hash:
d9902307e68c63e1599c4ab0cde18395
SHA1 hash:
742aeb037b5bda38bb168e4ae65dd007443dcd75
Link:
https://www.unpac.me/results/36436ccd-e1f7-4320-bf2d-7e544ee98bbd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c

File information

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

Web download

Formbook

Executable exe 87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1087573/
  
Delivery method
Distributed via web download

Comments