MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a867838e4c814a302323d06d5be15caf2629a8ad7cfeea2f9ba9b09cd8edcd89. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a867838e4c814a302323d06d5be15caf2629a8ad7cfeea2f9ba9b09cd8edcd89
SHA3-384 hash: 110a14f6a9ca21fed0359187a7bc46bc6360fba8e0800b181708f625af7bb3aaecd480b401dd8e881f0389371477ed3a
SHA1 hash: 0989a490fceef1fcf520c982eb936bf36d200453
MD5 hash: 6d67846f8c9cd695f6ee85e70bd44156
humanhash: lake-white-fourteen-kansas
File name:6d67846f8c9cd695f6ee85e70bd44156.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:258'900 bytes
First seen:2021-10-19 14:26:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:wBlL/cm+7U5m4ievuSq9RsLe6oDM8IS8oUk4BE9NSewGFPnAJS4tnk:Ced69vuSq9RyJoDM8IHpYFPQ5k
TLSH T17A44122661C0C1B7D2C64FF79CFA066AD3F889282611A68317611FF62B727DBC905687
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 :
193
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/198571/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/616ed5bb9a5a1e91c5c69e36/reports/d978d73a-9069-4503-9fb6-1898e199e31c/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0354981b-54d2-4830-bd7c-681ced7bbb52
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/873215
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
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
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: 505665 Sample: TQ1YBC14yY.exe Startdate: 19/10/2021 Architecture: WINDOWS Score: 100 31 www.029atk.xyz 2->31 33 www.foxsontreeservice.com 2->33 35 2 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 5 other signatures 2->49 11 TQ1YBC14yY.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\ymwaxaqwhy.dll, PE32 11->29 dropped 61 Detected unpacking (changes PE section rights) 11->61 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 TQ1YBC14yY.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.revgeek.com 156.234.138.23, 49805, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->37 39 procurovariedades.com 192.185.131.238, 49832, 80 UNIFIEDLAYER-AS-1US United States 18->39 41 9 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 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 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a867838e4c814a302323d06d5be15caf2629a8ad7cfeea2f9ba9b09cd8edcd89/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-10-19 14:27:06 UTC
AV detection:
19 of 43 (44.19%)
Threat level:
  5/5
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mxnu loader rat
Link:
https://tria.ge/reports/211019-rsefdsghcm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.naplesconciergerealty.com/mxnu/
Unpacked files
SH256 hash:
7937b02ffc4eae2d901efce42ed1516d2e768a51e4709212e7293f7d6dd3a9a3
MD5 hash:
b4085961165a8528580fb34f3f4d139c
SHA1 hash:
76c663e3d7758fb43eba3e221885e0304b47cacd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7717f0c0-3e0d-4054-9a92-052a603ee7e9/
SH256 hash:
514a4531d1cd29e16e21fe49b89847679d6088d646d785d258424e60435963ce
MD5 hash:
2d4ed9e7b664a0dc8188a557cc6edbcb
SHA1 hash:
c2eadf17c215ba6a7e7a2e9944bd1802a5480c20
Link:
https://www.unpac.me/results/7717f0c0-3e0d-4054-9a92-052a603ee7e9/
SH256 hash:
a867838e4c814a302323d06d5be15caf2629a8ad7cfeea2f9ba9b09cd8edcd89
MD5 hash:
6d67846f8c9cd695f6ee85e70bd44156
SHA1 hash:
0989a490fceef1fcf520c982eb936bf36d200453
Link:
https://www.unpac.me/results/7717f0c0-3e0d-4054-9a92-052a603ee7e9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/a867838e4c814a302323d06d5be15caf2629a8ad7cfeea2f9ba9b09cd8edcd89

File information

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

Web download

Formbook

Executable exe a867838e4c814a302323d06d5be15caf2629a8ad7cfeea2f9ba9b09cd8edcd89

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1673361/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1690402/
  
URLhaus
https://urlhaus.abuse.ch/url/1667232/
  
URLhaus
https://urlhaus.abuse.ch/url/1690854/
  
URLhaus
https://urlhaus.abuse.ch/url/1675013/
Cape
Cape
https://www.capesandbox.com/analysis/198571/

Comments