MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 732d6097dbd7e3dea8d83a0261e0d834430a56119b278e3fb38b15c27147bf7f. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 732d6097dbd7e3dea8d83a0261e0d834430a56119b278e3fb38b15c27147bf7f
SHA3-384 hash: c958f02ebf537670ab6902fe8285864008dd6a361efdf9f1352a489c38877100279835bea12412fe965b1d236f99de56
SHA1 hash: ad3e75f3f8ce863ea9bd3f5cac9598a7b8a27e82
MD5 hash: 5496ecc8611af1fa119a753fce53cb18
humanhash: neptune-charlie-alaska-bluebird
File name:Proforma Invoice.pdf.exe
Download: download sample
Signature Formbook
File size:599'040 bytes
First seen:2021-08-19 10:20:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:V1jsAJrnQv6br2GCOovnBvA2J124cnKY1hRg4HRPk6AcHrBZzHr63QC28OB:V1jsU8v6o7vnB42ePbR
Threatray 11'319 similar samples on MalwareBazaar
TLSH T175D47BAC76517ADFC827CD77C9A41C64AA20647B930BD203901329E99A0DBDBDF152F3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-19 10:21:19 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 a process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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
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
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
Sigma detected: Suspicious Double Extension
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 netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 468149 Sample: Proforma Invoice.pdf.exe Startdate: 19/08/2021 Architecture: WINDOWS Score: 100 31 www.uaz-chile.com 2->31 33 www.mainstreamtravels.com 2->33 35 uaz-chile.com 2->35 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 9 other signatures 2->47 11 Proforma Invoice.pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\Proforma Invoice.pdf.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Proforma Invoice.pdf.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.kingsalumi.com 18->37 39 ext-cust.squarespace.com 198.185.159.144, 49726, 80 SQUARESPACEUS United States 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Uses netsh to modify the Windows network and firewall settings 18->51 22 netsh.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       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-19 06:04:42 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:gm9w loader rat
Behaviour
Enumerates system info in registry
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
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.activepurelawsuit.com/gm9w/
Unpacked files
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
SH256 hash:
aa85c3bc8b9105207a509d2ac80a4516eab576386275ce34db06033f2ffa702f
MD5 hash:
28f968c4cacf3b098e26c2b40cec205a
SHA1 hash:
52de775db8cc9555753259db398a8338089a99ae
SH256 hash:
732d6097dbd7e3dea8d83a0261e0d834430a56119b278e3fb38b15c27147bf7f
MD5 hash:
5496ecc8611af1fa119a753fce53cb18
SHA1 hash:
ad3e75f3f8ce863ea9bd3f5cac9598a7b8a27e82
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 732d6097dbd7e3dea8d83a0261e0d834430a56119b278e3fb38b15c27147bf7f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments