MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d37fb95eefc5396c3aee5e5c4525b373821cd151f7fc5b2d3805f0fb0056a4a. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 9d37fb95eefc5396c3aee5e5c4525b373821cd151f7fc5b2d3805f0fb0056a4a
SHA3-384 hash: 8f54b3360e0d28f8e1d009b456b6b72dc83dc4b22dc6884fdff5e29266353d2819326a3dfea0aa1324a31b52c8af205e
SHA1 hash: aa7e1760aaaec6086c19c000b884f7507254b13e
MD5 hash: 8bbe7bdb994f598ff65749c2cc6a4538
humanhash: beer-nebraska-summer-music
File name:Сатып алуға тапсырыс парағы.pdf.exe
Download: download sample
Signature Formbook
File size:455'680 bytes
First seen:2021-11-10 05:08:22 UTC
Last seen:2021-11-10 13:18:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:nCIlp3BztD00oZt5FcPv28vN7KDns06iAJ:nCs3RC0SvqPvJvNujs
Threatray 9'203 similar samples on MalwareBazaar
TLSH T114A4027423A8E76ACA794A3E90B6907203F8F51D39A2DB9D8F9161DB7E337011474633
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Сатып алуға тапсырыс парағы.pdf.zip
Verdict:
Malicious activity
Analysis date:
2021-11-10 16:37:58 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Sigma detected: Suspicius Add Task From User AppData Temp
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 518944 Sample: 044b.pdf.exe Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 14 other signatures 2->50 9 044b.pdf.exe 7 2->9         started        process3 file4 34 C:\Users\user\AppData\...\hPSDyTXdNyKvEB.exe, PE32 9->34 dropped 36 C:\Users\user\AppData\Local\...\tmp7821.tmp, XML 9->36 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 9->60 62 Writes to foreign memory regions 9->62 64 Allocates memory in foreign processes 9->64 66 2 other signatures 9->66 13 RegSvcs.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures5 process6 signatures7 68 Modifies the context of a thread in another process (thread injection) 13->68 70 Maps a DLL or memory area into another process 13->70 72 Sample uses process hollowing technique 13->72 74 2 other signatures 13->74 20 svchost.exe 13->20         started        23 explorer.exe 13->23 injected 26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        process8 dnsIp9 52 Modifies the context of a thread in another process (thread injection) 20->52 54 Maps a DLL or memory area into another process 20->54 56 Tries to detect virtualization through RDTSC time measurements 20->56 30 cmd.exe 1 20->30         started        38 latuawebreputation.online 195.110.124.133, 49817, 80 REGISTER-ASIT Italy 23->38 40 elianedefalco.com 66.235.200.147, 49843, 80 CLOUDFLARENETUS United States 23->40 42 2 other IPs or domains 23->42 58 System process connects to network (likely due to code injection or exploit) 23->58 signatures10 process11 process12 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2021-11-10 05:09:06 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dv9n rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Gathers network information
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.elianedefalco.com/dv9n/
Unpacked files
SH256 hash:
02310a940b6a573296b8f13c6dde8a60a05f020ff19d36da71fa7dc4976be8ac
MD5 hash:
a788377f674f58df618d7c7089a844ce
SHA1 hash:
66f20503ed93c7b447c5ea0ffeb82be273193eee
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
SH256 hash:
91247d29e38c5d0736f69467ea73ab3b5c5af447002f4fec5aef94fa0910ea49
MD5 hash:
aff6bd42cdae47f707eb7f7d7963cbb7
SHA1 hash:
9a760d8c0bd93904227152211c9ce9418cd79858
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
9d37fb95eefc5396c3aee5e5c4525b373821cd151f7fc5b2d3805f0fb0056a4a
MD5 hash:
8bbe7bdb994f598ff65749c2cc6a4538
SHA1 hash:
aa7e1760aaaec6086c19c000b884f7507254b13e
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 9d37fb95eefc5396c3aee5e5c4525b373821cd151f7fc5b2d3805f0fb0056a4a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments