MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65af000633f7295c3fe288dafd34d42045a99caeef78568ecf0aab2a07036ef3. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 65af000633f7295c3fe288dafd34d42045a99caeef78568ecf0aab2a07036ef3
SHA3-384 hash: b8a6efb82621223085d733863520258f9bd4099bfcfb2b7119aabb3e0850f7a016fcb7a69d86dae4189e06836a906965
SHA1 hash: 4bf9cfbb9d10f277014cc0a9711da9f0849146ab
MD5 hash: 46f5401e05e03fa1f59a6b89fcae7e53
humanhash: louisiana-potato-monkey-texas
File name:Request for Quatation.exe
Download: download sample
Signature Formbook
File size:1'070'080 bytes
First seen:2022-04-12 05:39:36 UTC
Last seen:2022-04-12 05:40:06 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:ddBqCebfeuXVgOnZTgx4LeiMakNREZbmR6Ao:ddBqCafeEVVZTgx4a2kNREtm
Threatray 15'036 similar samples on MalwareBazaar
TLSH T14435F177A756CEA7CEEC867C0431BFD2A2F182139253D74EACCC91A9B3826D857051C6
File icon (PE):PE icon
dhash icon 70ccb26969b2cc71 (35 x AgentTesla, 13 x Formbook, 2 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Request for Quatation.exe
Verdict:
Malicious activity
Analysis date:
2022-04-12 06:09:23 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
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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: 607551 Sample: Request for Quatation.exe Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 37 www.comprapieza.com 2->37 39 comprapieza.com 2->39 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 9 other signatures 2->51 11 Request for Quatation.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\Request for Quatation.exe.log, ASCII 11->29 dropped 14 Request for Quatation.exe 11->14         started        process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 explorer.exe 14->17 injected process8 dnsIp9 31 www.e-zinkpromos.com 154.214.218.40, 49817, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->31 33 www.gamjadog.online 74.208.236.11, 49764, 80 ONEANDONE-ASBrauerstrasse48DE United States 17->33 35 10 other IPs or domains 17->35 43 System process connects to network (likely due to code injection or exploit) 17->43 21 raserver.exe 17->21         started        signatures10 process11 dnsIp12 41 192.168.2.1 unknown unknown 21->41 53 Self deletion via cmd delete 21->53 55 Modifies the context of a thread in another process (thread injection) 21->55 57 Maps a DLL or memory area into another process 21->57 59 Tries to detect virtualization through RDTSC time measurements 21->59 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-12 03:41:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
80
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ioxf loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
efb917181073dcc38d63fa8ed07697961ded16f8489ef15eabe8bf0ae1d97b2e
MD5 hash:
ec8f149f71e6c89bf87133ce5b6f547a
SHA1 hash:
cd26fd2c4d9330c81787e0a290a9262dc9451a33
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
65af000633f7295c3fe288dafd34d42045a99caeef78568ecf0aab2a07036ef3
MD5 hash:
46f5401e05e03fa1f59a6b89fcae7e53
SHA1 hash:
4bf9cfbb9d10f277014cc0a9711da9f0849146ab
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:quakbot_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
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 65af000633f7295c3fe288dafd34d42045a99caeef78568ecf0aab2a07036ef3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments