MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bb8975c8a7e8080a8a68034458adfb7b8e9812b5a1fdd15f891656b03d086e6. 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 3 File information Comments

SHA256 hash: 5bb8975c8a7e8080a8a68034458adfb7b8e9812b5a1fdd15f891656b03d086e6
SHA3-384 hash: 3185a5e19fc4e2847e1558b8350906778350ffb55fcc42b49b2900c8d939d5b897f9c75171466cefb691ac1e51c22481
SHA1 hash: 5100dfe4456adfd5cea41b5c137ea9e2fd10c7f7
MD5 hash: ef946df7574b283bf24b349d2cb679bf
humanhash: tennis-butter-lamp-steak
File name:Quotation- urgent basis.exe
Download: download sample
Signature Formbook
File size:357'888 bytes
First seen:2021-10-15 21:18:51 UTC
Last seen:2021-10-15 21:57:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:8FubMkhB8ROd6i8G1RFLmw9mNCPr3KZ/GEvL4XG7PRlYXp8Rs2JHn9y5aHgLIeV:9QSBLDRFLmwTr3KZOEsXG7IXGRs2JH9a
Threatray 10'568 similar samples on MalwareBazaar
TLSH T10274014AA31D612FCB714CBD941E110E73B18A3676D1F7EB48A7F28B15AA7C348123D2
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation- urgent basis.exe
Verdict:
Malicious activity
Analysis date:
2021-10-15 21:19:56 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 503783 Sample: Quotation- urgent basis.exe Startdate: 15/10/2021 Architecture: WINDOWS Score: 100 36 www.vertuminy.com 2->36 38 www.khomayphotocopy.club 2->38 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 10 other signatures 2->52 11 Quotation- urgent basis.exe 7 2->11         started        signatures3 process4 file5 32 C:\Users\...\Quotation- urgent basis.exe.log, ASCII 11->32 dropped 34 C:\Users\user\AppData\...\tSXhFZeobghlE.exe, PE32 11->34 dropped 14 Quotation- urgent basis.exe 11->14         started        17 schtasks.exe 1 11->17         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Queues an APC in another process (thread injection) 14->68 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 40 hi-loentertainment.com 192.64.113.210, 49832, 80 NAMECHEAP-NETUS United States 19->40 42 www.thesewhitevvalls.com 172.105.103.207, 49839, 80 LINODE-APLinodeLLCUS United States 19->42 44 14 other IPs or domains 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 25 colorcpl.exe 19->25         started        signatures10 process11 signatures12 56 Self deletion via cmd delete 25->56 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-15 21:19:08 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:b2c0 loader rat suricata
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.thesewhitevvalls.com/b2c0/
Unpacked files
SH256 hash:
102aa4a9f9bf1e3bd4146ade3b744efef1f67bc30990522591ba08510e4eab2e
MD5 hash:
4eb92bc730d0f3b888886ac29616a5a9
SHA1 hash:
d2d6dfc67ca465fe8a7c924aa86ad08111ec98a3
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
SH256 hash:
5bb8975c8a7e8080a8a68034458adfb7b8e9812b5a1fdd15f891656b03d086e6
MD5 hash:
ef946df7574b283bf24b349d2cb679bf
SHA1 hash:
5100dfe4456adfd5cea41b5c137ea9e2fd10c7f7
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 5bb8975c8a7e8080a8a68034458adfb7b8e9812b5a1fdd15f891656b03d086e6

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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