MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86741510935fc30581a17848b7d391461c8aa3c749fd8c7998682c637f7486c0. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments 1

SHA256 hash: 86741510935fc30581a17848b7d391461c8aa3c749fd8c7998682c637f7486c0
SHA3-384 hash: 62988176f8f93e94c7819dfc5a3d756d623a0c158b0bd7bf7bfa9bf4a7cae44f54b4a7b37505f2426f9b24633c87c34b
SHA1 hash: 509ae497a7349827f4bbd9085e15b9e3cfc8f53e
MD5 hash: b714b6e24d1d6e4951f4c83173412575
humanhash: yellow-oklahoma-princess-west
File name:b714b6e24d1d6e4951f4c83173412575
Download: download sample
Signature Formbook
File size:189'440 bytes
First seen:2022-08-22 12:41:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:tdpPkgyUnaoZ3G/UeoeIkqD47iVCAErfoHgcT5mEZB25EcJZ+2FAdqh:bzFGMhkqD47i0rfgv1nU5njh
TLSH T13004AE32D641C431E2B251B4F6BD1B7B483D0E3432A4A0EAA3E215E16EB49A5F17D31F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b714b6e24d1d6e4951f4c83173412575
Verdict:
No threats detected
Analysis date:
2022-08-22 12:43:36 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
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook overlay 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
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-08-22 12:42:13 UTC
File Type:
PE (Exe)
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ba17 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
86741510935fc30581a17848b7d391461c8aa3c749fd8c7998682c637f7486c0
MD5 hash:
b714b6e24d1d6e4951f4c83173412575
SHA1 hash:
509ae497a7349827f4bbd9085e15b9e3cfc8f53e
Detections:
win_formbook_g0 win_formbook_auto FormBook
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
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 86741510935fc30581a17848b7d391461c8aa3c749fd8c7998682c637f7486c0

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-08-22 12:41:58 UTC

url : hxxp://37.139.129.142/htdocs/FrSfZGFBwiAAQyP.exe