MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83e85200231274906ae296a4f8842215e73cbba4c5cf8b59a7f83e5f2fd49887. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 83e85200231274906ae296a4f8842215e73cbba4c5cf8b59a7f83e5f2fd49887
SHA3-384 hash: ef52fc7a507a6b5ef81e9d0a62fa70e61e0a0b82dd424b7ce3143dc8ae1ff1fafd5e605b49070fa3711d5e9ebae97585
SHA1 hash: 155847154f31e67e7d3b434e7b65c0c23c616ed3
MD5 hash: c46a033a47875a38688d030db201a244
humanhash: vermont-washington-burger-ten
File name:Quotation Required Details.exe
Download: download sample
Signature Formbook
File size:482'304 bytes
First seen:2021-09-13 02:20:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:wYk4DbF53e0IUFLy0OF/lYZO2fhb5EhlVqkZ0LSM:1I/lYZlfzkZ0m
Threatray 9'226 similar samples on MalwareBazaar
TLSH T115A4AE242DFE502AF173AFB55ED4B1869AAFB7733A07E86C145103870723B41DE9193A
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation Required Details.exe
Verdict:
Malicious activity
Analysis date:
2021-09-13 02:23:00 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 file in the %temp% directory
Delayed writing of the file
Creating a window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 481872 Sample: Quotation Required Details.exe Startdate: 13/09/2021 Architecture: WINDOWS Score: 100 34 www.devgmor.com 2->34 36 devgmor.com 2->36 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 11 Quotation Required Details.exe 3 2->11         started        signatures3 process4 file5 32 C:\...\Quotation Required Details.exe.log, ASCII 11->32 dropped 14 Quotation Required Details.exe 11->14         started        17 Quotation Required Details.exe 11->17         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 19 explorer.exe 14->19 injected process8 dnsIp9 38 www.promosplace.com 91.195.240.94, 49783, 80 SEDO-ASDE Germany 19->38 40 vietthaivt.com 163.44.207.53, 49782, 80 RUNSYSTEM-AS-VNGMO-ZcomRunsystemJointStockCompanyVN Viet Nam 19->40 42 14 other IPs or domains 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 23 chkdsk.exe 19->23         started        26 autofmt.exe 19->26         started        signatures10 process11 signatures12 54 Self deletion via cmd delete 23->54 56 Modifies the context of a thread in another process (thread injection) 23->56 58 Maps a DLL or memory area into another process 23->58 60 Tries to detect virtualization through RDTSC time measurements 23->60 28 cmd.exe 1 23->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Status:
Malicious
First seen:
2021-09-13 01:29:00 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:p4se loader rat suricata
Behaviour
Enumerates system info in registry
Modifies registry class
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.appackersandmoversbengaluru.com/p4se/
Unpacked files
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
f0154c791fe8f925d1a49973a95a6954acd403622b3946ceb9b37f71a575e06a
MD5 hash:
d0e399f16490b8743ef9c12e60a451e5
SHA1 hash:
5b492a8833eeeea06f093cf3b149d7b163613b31
SH256 hash:
83e85200231274906ae296a4f8842215e73cbba4c5cf8b59a7f83e5f2fd49887
MD5 hash:
c46a033a47875a38688d030db201a244
SHA1 hash:
155847154f31e67e7d3b434e7b65c0c23c616ed3
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 83e85200231274906ae296a4f8842215e73cbba4c5cf8b59a7f83e5f2fd49887

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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