MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 044d4416e986fb7fd91bc96639efe48e87cfd33857e199c48cf6e7f4d07a3db2. 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 2 File information Comments

SHA256 hash: 044d4416e986fb7fd91bc96639efe48e87cfd33857e199c48cf6e7f4d07a3db2
SHA3-384 hash: 18a9792fa2e816110a34d2bf4552e2311fc6c6fed0c512fdd20fb7ec06b0d059b0cfe01705add1c5b0e5ddf9b0a261cc
SHA1 hash: d5bd4f6bc9539ce53411ae35964e0bb606501fe0
MD5 hash: 6d6e99dd5f60c2d450885c73734eae9c
humanhash: virginia-speaker-fix-four
File name:RFQ - ASTROFREIGHT FEB21-0621pdf.exe
Download: download sample
Signature Formbook
File size:485'376 bytes
First seen:2021-02-09 13:16:31 UTC
Last seen:2021-02-09 15:00:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:gd24TbUlF1IIt18DIl3FG1sQN9LUD0G8lHr5/Udwqfqk:O24PwoDlHpUXf
Threatray 3'782 similar samples on MalwareBazaar
TLSH 0EA4AD9C722072EFC867D472DEA81D64EB91747B831B4247906316EDCA4D98BCF285F2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mtl-node6.websitehostserver.net
Sending IP: 184.107.41.75
From: Yusen Logistics <ops@victim-domain>
Subject: RFQ: Request for Quotation//ASTRO FREIGHT LOGISTICS PVT [FEB21-0621]
Attachment: RFQ - ASTROFREIGHT FEB21-0621 pdf.arj (contains "RFQ - ASTROFREIGHT FEB21-0621pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ - ASTROFREIGHT FEB21-0621pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-09 13:21:18 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
Unauthorized injection to a recently created process
Creating a file
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
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)
PE file contains section with special chars
PE file has nameless sections
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 signatures2 2 Behavior Graph ID: 350508 Sample: RFQ - ASTROFREIGHT FEB21-06... Startdate: 09/02/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 9 other signatures 2->46 10 RFQ - ASTROFREIGHT FEB21-0621pdf.exe 3 2->10         started        process3 file4 32 RFQ - ASTROFREIGHT FEB21-0621pdf.exe.log, ASCII 10->32 dropped 56 Injects a PE file into a foreign processes 10->56 14 RFQ - ASTROFREIGHT FEB21-0621pdf.exe 10->14         started        17 RFQ - ASTROFREIGHT FEB21-0621pdf.exe 10->17         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 34 www.dafuhe.com 156.226.192.51, 49740, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 19->34 36 thenewwayofliving.com 37.97.254.27, 49742, 80 TRANSIP-ASAmsterdamtheNetherlandsNL Netherlands 19->36 38 5 other IPs or domains 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 23 cmd.exe 19->23         started        26 autoconv.exe 19->26         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 28 cmd.exe 1 23->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2021-02-09 13:17:11 UTC
AV detection:
23 of 29 (79.31%)
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thedilleyo.com/kb8/
Unpacked files
SH256 hash:
2ec41720b412f91f91daaefea38007449491b2c016238aa8f23b6866c89bc788
MD5 hash:
987ce346069cf47535e5ac57265c7228
SHA1 hash:
d0085325ed78fcac6d1f605753237abd1c40db22
SH256 hash:
ad81d38dc0d732f4c8a052642bbd4786f8d04d654f217401e6618ac3312fdb1d
MD5 hash:
fd03f2d84a2dc454ae06e1ac070b3d20
SHA1 hash:
8d6db055d50b59ae45baa870754aa7f328537874
SH256 hash:
044d4416e986fb7fd91bc96639efe48e87cfd33857e199c48cf6e7f4d07a3db2
MD5 hash:
6d6e99dd5f60c2d450885c73734eae9c
SHA1 hash:
d5bd4f6bc9539ce53411ae35964e0bb606501fe0
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_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

File information


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

4d4a242824e008c0b9d5df2f1318b1d2

Formbook

Executable exe 044d4416e986fb7fd91bc96639efe48e87cfd33857e199c48cf6e7f4d07a3db2

(this sample)

  
Dropped by
MD5 4d4a242824e008c0b9d5df2f1318b1d2
  
Delivery method
Distributed via e-mail attachment

Comments