MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 490ab8c4bcefb5cd52f0ba2697e3d7f470c9280cac52ed1e96167a2c8d899ec2. 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
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SHA256 hash: 490ab8c4bcefb5cd52f0ba2697e3d7f470c9280cac52ed1e96167a2c8d899ec2
SHA3-384 hash: 629b565deb21ef2c865009f4ce1013449018a4ba14a4b3ca49811ca69e96e2902bcf7cccb2e13bab98846028689e3e6d
SHA1 hash: 408d2ebe672e7049f2ecb6297741c618f29d00de
MD5 hash: 0cf929a6d9c369ab29195f371d596cd9
humanhash: berlin-jersey-mockingbird-missouri
File name:DUCFILE455544343_SMK844745678767656.vbs
Download: download sample
Signature Formbook
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File size:3'376 bytes
First seen:2022-09-07 10:04:38 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:A5Djb+v4m6eziiSrCLbMg7cAHlIlArhdU1r6cEllzyjCaRMc5Vkaxuou0+:uuv4mo+LbMuculIlAMr6cEGv52EuF0+
TLSH T1DF61028D304774A9D5320CF3DCCB212EB5A6975762B941507E0DE6C69D3B0ACE782D2E
Reporter abuse_ch
Tags:FormBook vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/308426/
Detection(s):
SecuriteInfo.com.VB.Trojan.Valyria.7125.12190.30898.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/63186d1fd06d9bc4c7a7431e/reports/587d1db5-5a5e-4fb2-ab50-e2ff7e75f742/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1066279
Signature
C2 URLs / IPs found in malware configuration
DLL side loading technique detected
Drops PE files to the startup folder
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Powershell drops PE file
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 698811 Sample: DUCFILE455544343_SMK8447456... Startdate: 07/09/2022 Architecture: WINDOWS Score: 100 76 Multi AV Scanner detection for domain / URL 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 2 other signatures 2->82 8 wscript.exe 14 2->8         started        12 wscript.exe 14 2->12         started        process3 dnsIp4 40 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49708, 49715 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 8->40 42 zkjqoq.ch.files.1drv.com 8->42 50 2 other IPs or domains 8->50 84 System process connects to network (likely due to code injection or exploit) 8->84 86 Wscript starts Powershell (via cmd or directly) 8->86 88 Very long command line found 8->88 14 powershell.exe 14 22 8->14         started        19 cmd.exe 1 8->19         started        44 zkjqoq.ch.files.1drv.com 12->44 46 onedrive.live.com 12->46 48 ch-files.fe.1drv.com 12->48 21 cmd.exe 1 12->21         started        23 powershell.exe 12->23         started        signatures5 process6 dnsIp7 52 l-0003.l-dc-msedge.net 14->52 54 zkhklq.ch.files.1drv.com 14->54 60 2 other IPs or domains 14->60 38 C:\Users\user\AppData\...\AgileDotNetRT64.dll, PE32+ 14->38 dropped 64 Writes to foreign memory regions 14->64 66 DLL side loading technique detected 14->66 68 Injects a PE file into a foreign processes 14->68 70 Powershell drops PE file 14->70 25 RegAsm.exe 14->25         started        28 conhost.exe 14->28         started        30 conhost.exe 19->30         started        72 Drops VBS files to the startup folder 21->72 74 Drops PE files to the startup folder 21->74 32 conhost.exe 21->32         started        56 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49723 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->56 58 192.168.2.1 unknown unknown 23->58 62 3 other IPs or domains 23->62 34 conhost.exe 23->34         started        file8 signatures9 process10 signatures11 90 Tries to detect virtualization through RDTSC time measurements 25->90 36 explorer.exe 25->36 injected process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/490ab8c4bcefb5cd52f0ba2697e3d7f470c9280cac52ed1e96167a2c8d899ec2/
Threat name:
Script-WScript.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2022-09-06 12:11:54 UTC
File Type:
Text (VBS)
AV detection:
7 of 40 (17.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jeflrrf456242uxqxitjpy6x6rymskamvrjo2huwcz5czdmjt3ba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:c0a5 rat spyware stealer trojan
Link:
https://tria.ge/reports/220907-l4hz3abfh8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Blocklisted process makes network request
Formbook payload
Formbook
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/490ab8c4bcef/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/490ab8c4bcefb5cd52f0ba2697e3d7f470c9280cac52ed1e96167a2c8d899ec2

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/308426/

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