MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c6a4adf039e56bbd76bffa6978405f66a8d9a186d7e263affd6afb06774a7f6. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c6a4adf039e56bbd76bffa6978405f66a8d9a186d7e263affd6afb06774a7f6
SHA3-384 hash: e07a576025b8e8217fdca6f19b980a1cba5aedad7aade49b3fcfce3ca4bf63b5a6139810d33fcd1fc130f4db7d1a1b48
SHA1 hash: 1ae8c00ff171834af16117632061628f2bea1bfc
MD5 hash: d528a4440d93e577df6367c74e5098f1
humanhash: alaska-angel-jig-lactose
File name:d528a4440d93e577df6367c74e5098f1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:270'817 bytes
First seen:2021-12-10 08:58:52 UTC
Last seen:2021-12-10 11:20:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGicsvQ/TEEBGIRc2I2GT0fUL8kvDNw9B/onUVPzyM:AqgMaXhGT0pkKBLl
TLSH T1F4441346A2D44ABFC1D2253413B3BBB7E3FEC69051C6AE4F1B80AFEE69575020919523
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 :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d528a4440d93e577df6367c74e5098f1.exe
Verdict:
Malicious activity
Analysis date:
2021-12-10 09:05:35 UTC
Tags:
installer
Link:
https://app.any.run/tasks/791e17f8-3c96-448c-a061-a3920196d3bd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/213102/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.27955.15179.UNOFFICIAL
Create hunting rule

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
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1513/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61b316da47ed217c0138f15f/reports/7fd36f64-c9f6-452d-95a5-207a43a907d5/overview
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3707b100-94d7-4f17-9d66-7e9ee5429388
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905181
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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: 537660 Sample: IHcnKEuuZx.exe Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 29 www.ordinaryborrow.xyz 2->29 31 parking.luckyfeed.pro 2->31 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 7 other signatures 2->53 10 IHcnKEuuZx.exe 17 2->10         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\bdaruwvyts.dll, PE32 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 IHcnKEuuZx.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 svchost.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 37 Self deletion via cmd delete 17->37 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.klmywmux.com 154.84.102.48, 49786, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 20->33 35 www.cxyzjsrc.com 155.159.207.20, 49802, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 20->35 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/8c6a4adf039e56bbd76bffa6978405f66a8d9a186d7e263affd6afb06774a7f6/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-10 08:59:10 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rrvevxydtzllxv3l76tjpbaf6zvi3gqynv7cmox722x3az3uu73a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:h2b0 rat spyware stealer trojan
Link:
https://tria.ge/reports/211210-kxqwnafhf8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.brocoser.com/h2b0/
Unpacked files
SH256 hash:
8c6a4adf039e56bbd76bffa6978405f66a8d9a186d7e263affd6afb06774a7f6
MD5 hash:
d528a4440d93e577df6367c74e5098f1
SHA1 hash:
1ae8c00ff171834af16117632061628f2bea1bfc
Link:
https://www.unpac.me/results/24623e4c-0653-43ee-97de-e71c1cf91c86/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/8c6a4adf039e56bbd76bffa6978405f66a8d9a186d7e263affd6afb06774a7f6

File information

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

Web download

Formbook

Executable exe 8c6a4adf039e56bbd76bffa6978405f66a8d9a186d7e263affd6afb06774a7f6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1868093/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/213102/

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