MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ced3b47bed5c4a21219e9857f092343bfd2a66c53c18489aa0c0ecab733aebf. 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 2 File information Comments

SHA256 hash: 8ced3b47bed5c4a21219e9857f092343bfd2a66c53c18489aa0c0ecab733aebf
SHA3-384 hash: 83bddbc0e407d87d685462b449f9553237ce80a373dd9fb93df5ea9f9e0479b38ecf1fde0eb78ab684e623d967787887
SHA1 hash: ce6a8de58d62e4c069b1d7123504ffd427cbcea0
MD5 hash: bf2f67f9d4a780d1bcd6cabfc2054678
humanhash: bacon-kilo-east-winter
File name:Global Contact GmbH-pdf-.exe
Download: download sample
Signature Formbook
File size:1'035'776 bytes
First seen:2022-11-09 06:46:15 UTC
Last seen:2022-11-09 08:46:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:7Ukli+banYAc6pEn6m075WluZhWoe3SBBpWA/lSne7:9ban+Vn6mq5Wl+2OBjt
Threatray 20'156 similar samples on MalwareBazaar
TLSH T10825B0A034B02FB5E67EDBF64628262583F33DA9625EF64E4CE070EA1573F928510D17
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Global Contact GmbH-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2022-11-09 06:48:52 UTC
Tags:
formbook trojan 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
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 741648 Sample: Global Contact GmbH-pdf-.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 10 other signatures 2->61 9 Global Contact GmbH-pdf-.exe 7 2->9         started        13 GNrumwyvdY.exe 5 2->13         started        process3 file4 47 C:\Users\user\AppData\...behaviorgraphNrumwyvdY.exe, PE32 9->47 dropped 49 C:\Users\...behaviorgraphNrumwyvdY.exe:Zone.Identifier, ASCII 9->49 dropped 51 C:\Users\user\AppData\Local\...\tmp9345.tmp, XML 9->51 dropped 53 C:\Users\...behaviorgraphlobal Contact GmbH-pdf-.exe.log, ASCII 9->53 dropped 63 Adds a directory exclusion to Windows Defender 9->63 65 Injects a PE file into a foreign processes 9->65 15 Global Contact GmbH-pdf-.exe 9->15         started        18 powershell.exe 19 9->18         started        20 schtasks.exe 1 9->20         started        67 Multi AV Scanner detection for dropped file 13->67 69 Machine Learning detection for dropped file 13->69 71 Uses netstat to query active network connections and open ports 13->71 73 Tries to detect virtualization through RDTSC time measurements 13->73 22 GNrumwyvdY.exe 13->22         started        24 schtasks.exe 1 13->24         started        26 GNrumwyvdY.exe 13->26         started        signatures5 process6 signatures7 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 28 cmd.exe 15->28         started        31 explorer.exe 15->31 injected 33 conhost.exe 18->33         started        35 conhost.exe 20->35         started        37 autochk.exe 22->37         started        39 NETSTAT.EXE 22->39         started        41 conhost.exe 24->41         started        process8 signatures9 75 Tries to detect virtualization through RDTSC time measurements 28->75 43 cmd.exe 1 28->43         started        process10 process11 45 conhost.exe 43->45         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-08 06:56:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a20e rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
6b04714c95caa4f60c436fab5995a272ddc07a9e161ff9132d841637fe44a8af
MD5 hash:
cd224f62a920ea73813eff1ba46e3225
SHA1 hash:
dd7c4c252e2d4569405e1fa438be2bb6350536c9
SH256 hash:
c45eba8f1d14c1750507f3507ee127cd7c7a22debe7ce32d2d703318c3f4b260
MD5 hash:
3de116fb216f92af2c15dce2126467f3
SHA1 hash:
977cf095816520e28f750eceb9541092850bff88
SH256 hash:
13e80fde971ff150ba6cc8008a9be6c02401fa85925b91662b84f1da7b0826d8
MD5 hash:
0d529117d051d9f40242787b84fe9e0c
SHA1 hash:
90623a4bc25293f51803b60cdcad2e54fbcee67f
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
SH256 hash:
8ced3b47bed5c4a21219e9857f092343bfd2a66c53c18489aa0c0ecab733aebf
MD5 hash:
bf2f67f9d4a780d1bcd6cabfc2054678
SHA1 hash:
ce6a8de58d62e4c069b1d7123504ffd427cbcea0
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: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 8ced3b47bed5c4a21219e9857f092343bfd2a66c53c18489aa0c0ecab733aebf

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments