MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cef577cfd13f14d2c7468515dcd2da6bdbcbfe9e6778bf2dbf4ee212f273372. 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 1

SHA256 hash: 5cef577cfd13f14d2c7468515dcd2da6bdbcbfe9e6778bf2dbf4ee212f273372
SHA3-384 hash: 5431f17d57287c9129d5281df4e8ae54a1f893f8ddd8f06b69a84453c6b9cf7b46fcd72b109b58ce1e43f4397ba90ebe
SHA1 hash: b282b03a103a8f159446f85e2d372ddbb35d73a8
MD5 hash: 17dff4dec1eeac82d1b7e96d284c2c50
humanhash: skylark-lion-salami-oven
File name:17dff4dec1eeac82d1b7e96d284c2c50
Download: download sample
Signature Formbook
File size:244'809 bytes
First seen:2022-04-05 13:23:01 UTC
Last seen:2022-04-05 13:42:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZm9hkFc8nHLOv3PBEj5Mtuh16bvGqvuOv:HNlQFBG5EFsvDGQ
Threatray 14'775 similar samples on MalwareBazaar
TLSH T1293412881AD0C8B7E8B246320DBCA3667EF6BD2B15249F0F17605B5BBD326C7990D711
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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:
Unknown
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2022-04-05 11:22:15 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ud5f loader rat suricata
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
c9c5385b8ca4d68b65dd7cee535cfec6d4471d5fba382d8a83454ed17b256256
MD5 hash:
16a6b4975005e68edd360e66ca2835e6
SHA1 hash:
b1ece1686a8df01d3e179604069a10056690fc22
SH256 hash:
9e223e621d657c12c81609502dfd3cffd2b76d7ec0bd6b565f5469fc1f9cf889
MD5 hash:
deee05d332261f508c763e2b5853ca9d
SHA1 hash:
828f21d5c435b642317ff396f2687b9b8bef3581
SH256 hash:
5cef577cfd13f14d2c7468515dcd2da6bdbcbfe9e6778bf2dbf4ee212f273372
MD5 hash:
17dff4dec1eeac82d1b7e96d284c2c50
SHA1 hash:
b282b03a103a8f159446f85e2d372ddbb35d73a8
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 5cef577cfd13f14d2c7468515dcd2da6bdbcbfe9e6778bf2dbf4ee212f273372

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-05 13:23:03 UTC

url : hxxp://103.151.123.228/365cloud/vbc.exe