MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfbeb8125b12783be186e19392ac1f5a0dd449f826f50eceb786bd158a956dfd. 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: dfbeb8125b12783be186e19392ac1f5a0dd449f826f50eceb786bd158a956dfd
SHA3-384 hash: 31eb4706181430b35f35bea70381d6fb0d36add3e404710cd81cd988808c016baf369021bf6cb94151fe2e44ebf34cca
SHA1 hash: d0198cf38134dacef611e597f0024822f1551763
MD5 hash: 45b58bf5b4db2259dcda75b6c7547329
humanhash: september-jupiter-lithium-black
File name:016-26404851.exe
Download: download sample
Signature Formbook
File size:507'904 bytes
First seen:2022-02-05 08:30:19 UTC
Last seen:2022-02-05 09:48:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:ydhJDBpmVoIQmKEZ/yq3rPkFBCeSdnIc++N0PCFnl1Hix2c063Qy0ecYpPuoFegk:ydhJDBpmVoaKKprnBxfl1m2Ny5zFeh7
Threatray 13'131 similar samples on MalwareBazaar
TLSH T17EB4CF643275C897E53948F4201AB8D857F4329BF8CED7DA0EE994C866D9F802D4A1CF
File icon (PE):PE icon
dhash icon c8d6d6d4dcd8d9c8 (5 x AgentTesla, 4 x Formbook, 3 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
016-26404851.exe
Verdict:
Malicious activity
Analysis date:
2022-02-05 08:37:01 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
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system 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 URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 566907 Sample: 016-26404851.exe Startdate: 05/02/2022 Architecture: WINDOWS Score: 100 31 www.villagecrossingapartments.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 11 016-26404851.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\016-26404851.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 016-26404851.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 33 www.ge-endoscopy.com 202.254.239.58, 49822, 80 SAKURA-CSAKURAInternetIncJP Japan 18->33 35 www.sportdemands.com 188.114.96.7, 49821, 80 CLOUDFLARENETUS European Union 18->35 37 2 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Gathering data
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-05 01:19:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:m4ro loader persistence rat suricata
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Sets service image path in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
SH256 hash:
82eabd4eff8475f05d0636a76fd97a21122f88f0461dd70ada4fd34fc991734f
MD5 hash:
9ca45e8f88966cd3049c10dc13ddc609
SHA1 hash:
42f6a4d61a4ebacfae5d75dde07c225186b86a95
SH256 hash:
dfbeb8125b12783be186e19392ac1f5a0dd449f826f50eceb786bd158a956dfd
MD5 hash:
45b58bf5b4db2259dcda75b6c7547329
SHA1 hash:
d0198cf38134dacef611e597f0024822f1551763
Malware family:
XLoader
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: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 dfbeb8125b12783be186e19392ac1f5a0dd449f826f50eceb786bd158a956dfd

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments