MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49e445c27ad9965ceee27ec81dca4f4abff58d18e9dfab55813cd192ecac8154. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 49e445c27ad9965ceee27ec81dca4f4abff58d18e9dfab55813cd192ecac8154
SHA3-384 hash: 988abb0bcf4ff0258512a652294f294f327e85ea5739d837a5a273fd196f6e602778cf815f4ef25076f6dfa452b0dd0a
SHA1 hash: 1728cae84279e233012ee77c7af857ab73c4745a
MD5 hash: 258bd20c61891c2925c090585708eb6e
humanhash: fifteen-item-blossom-johnny
File name:Wire Payment Instruction Copy.exe
Download: download sample
Signature Formbook
File size:710'144 bytes
First seen:2021-09-07 17:21:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:oof8EQ6eQso/378LAub6WDg8WaeAN6oq9N:pf5cQso/3gAAWgN6bN
Threatray 9'087 similar samples on MalwareBazaar
TLSH T167E43C3E19FE23279176C7D5CBE58823F6C498AF3133A965A7D747264306A4634C322E
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
327
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Wire Payment Instruction Copy.exe
Verdict:
Malicious activity
Analysis date:
2021-09-07 17:23:32 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
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 479260 Sample: Wire Payment Instruction Copy.exe Startdate: 07/09/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 10 Wire Payment Instruction Copy.exe 3 2->10         started        process3 signatures4 51 Writes to foreign memory regions 10->51 53 Injects a PE file into a foreign processes 10->53 13 RegSvcs.exe 10->13         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 2 other signatures 13->61 16 explorer.exe 13->16 injected process7 dnsIp8 27 produkti-vr.com 81.169.145.165, 49743, 80 STRATOSTRATOAGDE Germany 16->27 29 www.nishinren.com 150.95.48.55, 49745, 80 INTERQGMOInternetIncJP Japan 16->29 31 3 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 35 Uses ipconfig to lookup or modify the Windows network settings 16->35 20 ipconfig.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-07 17:22:06 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:i6sj rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.ggoldcollections.com/i6sj/
Unpacked files
SH256 hash:
bc3d8f3c8c94dfa970d4e167b78486ad29b2b1f7e8e49db2bf1275cf7753e74b
MD5 hash:
25357c1804aed2ccf8191e8f4d8b4b1f
SHA1 hash:
5be65eba4c0f7ccd618447bfb97617ef84b24a3c
SH256 hash:
81f9eac76804c02f5baaa34c91b5775f965a34ad7811218d9c24e50cb6d9a90c
MD5 hash:
bae511742374b721136acaa03b0c1fa0
SHA1 hash:
215c50455b01a78ea173bbb034ddbe4b452ea734
SH256 hash:
49e445c27ad9965ceee27ec81dca4f4abff58d18e9dfab55813cd192ecac8154
MD5 hash:
258bd20c61891c2925c090585708eb6e
SHA1 hash:
1728cae84279e233012ee77c7af857ab73c4745a
Malware family:
FormBook
Verdict:
Malicious
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 49e445c27ad9965ceee27ec81dca4f4abff58d18e9dfab55813cd192ecac8154

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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