MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a2efb99145b090f6ac13a70fbea4a858d53ac3e09a5d9065861bc6e2cc796df. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 2a2efb99145b090f6ac13a70fbea4a858d53ac3e09a5d9065861bc6e2cc796df
SHA3-384 hash: 352fd5b23432b4873cef51d4da7e77f0c81587fc499c9c2651a4f3ec0f7b607ee1fbad40eba0b30a95b05fe43a790d5e
SHA1 hash: cd380579ed49cb0366fe10f3415ed454a73970c2
MD5 hash: 630bfbb9e761dd0b84b57b36bb2debe8
humanhash: dakota-enemy-enemy-floor
File name:PI 04-02-21.exe
Download: download sample
Signature Formbook
File size:394'137 bytes
First seen:2021-04-04 15:17:38 UTC
Last seen:2021-04-04 15:40:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 6144:C9X0GA8SE7ymWTgD3/EXjYZ4ppYsmUrflTkG17Wt6ytds/tu7NK:E0+OmzD3/EXjYZ4p/NtTkgA6yfs/toNK
Threatray 4'527 similar samples on MalwareBazaar
TLSH 6F84D031F275B407ED5201B10846B8F505A8AC6881A896AF77C27F3F7EFE691C516B23
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://www.virustotal.com/vtapi/v2/file/download?apikey=bc2c21d3811ca7c91a0ecaf91d44485a8114658f3f3cd61aff614cc17559b41b&hash=48c04194971bcc51f9c74a54c15b6fdc7d3699b07cebed26b4e06638e5170ffd
Verdict:
Malicious activity
Analysis date:
2021-04-04 15:04:03 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
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected unpacking (changes PE section rights)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 381736 Sample: PI 04-02-21.exe Startdate: 04/04/2021 Architecture: WINDOWS Score: 100 31 www.fairisnotfair.com 2->31 33 shops.myshopify.com 2->33 35 fairisnotfair-com.myshopify.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 11 other signatures 2->49 11 PI 04-02-21.exe 18 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\4q3ylkvz.dll, PE32 11->29 dropped 59 Maps a DLL or memory area into another process 11->59 15 PI 04-02-21.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.woodandresin.club 18->37 39 www.v-travelclub.com 18->39 41 5 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 cmd.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Gathering data
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-04-03 10:07:49 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.middlehambooks.com/klf/
Unpacked files
SH256 hash:
573c4931034879b882593c0ea918852e5d62be5631937b78f462f4efcd7c6833
MD5 hash:
51458789e4561cdffda8b900ea67b01f
SHA1 hash:
cc705f274589b9c4e6dd43a13db86ebe867e3bc6
SH256 hash:
2a2efb99145b090f6ac13a70fbea4a858d53ac3e09a5d9065861bc6e2cc796df
MD5 hash:
630bfbb9e761dd0b84b57b36bb2debe8
SHA1 hash:
cd380579ed49cb0366fe10f3415ed454a73970c2
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Malspam

Formbook

Executable exe 2a2efb99145b090f6ac13a70fbea4a858d53ac3e09a5d9065861bc6e2cc796df

(this sample)

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