MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4480250209cdd20bbfff913aaca7887cc68bcb592c12d84b39c0dbaff39175e8. 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 2 File information Comments
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SHA256 hash: 4480250209cdd20bbfff913aaca7887cc68bcb592c12d84b39c0dbaff39175e8
SHA3-384 hash: 30ee50916c98843a0e3a225b752010d5cc1c124566dfe2946033e4191bc3ddbdb8ecae7b83bbe7ce9c85dc8ea592fedd
SHA1 hash: 5b7509860ca0529f0473684b9f0046a35d7a29f9
MD5 hash: 2475b88c447d3260758d6cff863fc0c4
humanhash: zebra-berlin-king-king
File name:file.exe
Download: download sample
Signature Formbook
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File size:294'912 bytes
First seen:2022-03-19 16:56:43 UTC
Last seen:2022-03-19 18:40:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'739 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:y1Vje3/fKDV7VVV67VVVnVVV8VVVzHVe47rAVV0Jq:Cj46muM
TLSH T1485430867A0E821FD3331A78068AD517E924FD0E3A76CD13BE5D721D3B336977891292
File icon (PE):PE icon
dhash icon e8b670686961c6f8 (2 x LummaStealer, 1 x RedLineStealer, 1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4480250209cdd20bbfff913aaca7887cc68bcb592c12d84b39c0dbaff39175e8.exe
Verdict:
Malicious activity
Analysis date:
2022-03-20 11:53:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bd74954d-f42e-4466-b60b-b7ffda7b8dc8

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/252984/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.48657638.4674.13860.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the system32 subdirectories
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Launching the process to change network settings
Launching cmd.exe command interpreter
DNS request
Query of malicious DNS domain
Sending a TCP request to an infection source
Sending an HTTP GET request to an infection source
Enabling autorun
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62360b61dfdfa8501cbc566e/reports/b70c14f9-8fb0-4e15-b08c-71eeb8c7ed23/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:
BluStealer
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/953a02d6-90ce-4edd-b4e3-2bc9287e65b8
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960104
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 592585 Sample: file.exe Startdate: 19/03/2022 Architecture: WINDOWS Score: 100 42 www.opasne.com 2->42 44 www.bundle.mobi 2->44 46 2 other IPs or domains 2->46 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 10 other signatures 2->70 11 file.exe 16 5 2->11         started        signatures3 process4 dnsIp5 54 transfer.sh 144.76.136.153, 443, 49751, 49752 HETZNER-ASDE Germany 11->54 36 C:\Users\user\AppData\Roaming\qvweqv.exe, PE32 11->36 dropped 38 C:\Users\user\...\qvweqv.exe:Zone.Identifier, ASCII 11->38 dropped 40 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 11->40 dropped 74 Creates an undocumented autostart registry key 11->74 76 Tries to detect virtualization through RDTSC time measurements 11->76 78 Injects a PE file into a foreign processes 11->78 16 file.exe 11->16         started        19 file.exe 11->19         started        21 file.exe 11->21         started        23 file.exe 11->23         started        file6 signatures7 process8 signatures9 56 Modifies the context of a thread in another process (thread injection) 16->56 58 Maps a DLL or memory area into another process 16->58 60 Sample uses process hollowing technique 16->60 62 Queues an APC in another process (thread injection) 16->62 25 explorer.exe 16->25 injected process10 dnsIp11 48 mesh.quebec 67.43.239.110, 49795, 80 GTCOMMCA Canada 25->48 50 www.shjrwjc.com 154.23.197.35, 49805, 80 COGENT-174US United States 25->50 52 9 other IPs or domains 25->52 72 System process connects to network (likely due to code injection or exploit) 25->72 29 WWAHost.exe 25->29         started        signatures12 process13 signatures14 80 Self deletion via cmd delete 29->80 82 Modifies the context of a thread in another process (thread injection) 29->82 84 Maps a DLL or memory area into another process 29->84 86 Tries to detect virtualization through RDTSC time measurements 29->86 32 cmd.exe 1 29->32         started        process15 process16 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4480250209cdd20bbfff913aaca7887cc68bcb592c12d84b39c0dbaff39175e8/
Threat name:
ByteCode-MSIL.Ransomware.Generic
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Status:
Suspicious
First seen:
2022-03-19 02:36:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=isackaqjzxjaxp77se5kzj4iptdixs2zfqjnqszzydn2744roxua._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:a5qd loader persistence rat
Link:
https://tria.ge/reports/220319-vgavlsecg7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Modifies WinLogon for persistence
Xloader
Unpacked files
SH256 hash:
4480250209cdd20bbfff913aaca7887cc68bcb592c12d84b39c0dbaff39175e8
MD5 hash:
2475b88c447d3260758d6cff863fc0c4
SHA1 hash:
5b7509860ca0529f0473684b9f0046a35d7a29f9
Link:
https://www.unpac.me/results/d09ba752-20a5-4c90-bbd9-545b361c4be3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4480250209cdd20bbfff913aaca7887cc68bcb592c12d84b39c0dbaff39175e8

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 4480250209cdd20bbfff913aaca7887cc68bcb592c12d84b39c0dbaff39175e8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/252984/

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