MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5a7586f6a1a178492ba5fdcde2f901aa2c9b51a3740368e6bec77fa9476ab00. 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 3 File information Comments 1

SHA256 hash: d5a7586f6a1a178492ba5fdcde2f901aa2c9b51a3740368e6bec77fa9476ab00
SHA3-384 hash: 23550259f759f8de8f8633626c848845e416c264f7905a151c889ff9f01b424099414426c92d8f3c0c0b7eaa4604b394
SHA1 hash: 4769126407f3020647f00de8b0f75d35a81fb997
MD5 hash: 2624f5286a0e1b93fffb11f80bf4fb32
humanhash: oranges-spaghetti-asparagus-fifteen
File name:2624f5286a0e1b93fffb11f80bf4fb32
Download: download sample
Signature Formbook
File size:774'656 bytes
First seen:2021-08-31 08:50:11 UTC
Last seen:2021-08-31 11:32:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:F41j4TYNPi64NjnbNXWPkHhskGequgAxL0ElU:S14n64NjnbNXErruBwY
Threatray 8'638 similar samples on MalwareBazaar
TLSH T1CFF40C7F19BDA1279175C6F58BE78423F0018BAF31216925B6D643164323A7AB4F332E
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2624f5286a0e1b93fffb11f80bf4fb32
Verdict:
Malicious activity
Analysis date:
2021-08-31 08:55:16 UTC
Tags:
n/a

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found 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 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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474836 Sample: mgUoskhcYw Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 41 www.bschgjs.com 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 9 other signatures 2->55 11 mgUoskhcYw.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\HfSnky.exe, PE32 11->33 dropped 35 C:\Users\user\...\HfSnky.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp1612.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\mgUoskhcYw.exe.log, ASCII 11->39 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 11->67 69 Tries to detect virtualization through RDTSC time measurements 11->69 71 Injects a PE file into a foreign processes 11->71 15 mgUoskhcYw.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 43 www.boloblo.com 72.52.178.23, 49721, 80 LIQUIDWEBUS United States 20->43 45 www.terapiafamiliarasturias.com 69.163.155.134, 49718, 80 DREAMHOST-ASUS United States 20->45 47 6 other IPs or domains 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 26 explorer.exe 20->26         started        signatures11 process12 signatures13 59 Self deletion via cmd delete 26->59 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-31 08:51:05 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:i7dg loader rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.pdam-lebak.com/i7dg/
Unpacked files
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
683fb0d76fca22496a0b310c70848cd5ec102fc0ccd9f177b46c646c14b7f0ce
MD5 hash:
46be97110604ef9940baecc07b0b431a
SHA1 hash:
d0e87c8ade8577cfa9b0de38364c8d5b423f8458
SH256 hash:
d5a7586f6a1a178492ba5fdcde2f901aa2c9b51a3740368e6bec77fa9476ab00
MD5 hash:
2624f5286a0e1b93fffb11f80bf4fb32
SHA1 hash:
4769126407f3020647f00de8b0f75d35a81fb997
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: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.

Web download

Formbook

Executable exe d5a7586f6a1a178492ba5fdcde2f901aa2c9b51a3740368e6bec77fa9476ab00

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-08-31 08:50:11 UTC

url : hxxp://52.221.208.248/chkd/class.exe