MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc26789a27709300dcdd742b50b8acb5c4d96d13c0aa5adb69c4f76d8e75c8ba. 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 2 File information Comments

SHA256 hash: dc26789a27709300dcdd742b50b8acb5c4d96d13c0aa5adb69c4f76d8e75c8ba
SHA3-384 hash: fe19eab1d6a1c655ce50c433d3325132b00f7ec80c4c2372b88206ea67152e0b016063ab49bdbb3aa0d56a60524a6d46
SHA1 hash: 52c90df4813585c48f4d98345d9a34b37c9f6529
MD5 hash: d6eb8fdfcf2c636bca2c8e6d88829aeb
humanhash: tennis-pip-mexico-sad
File name:d6eb8fdfcf2c636bca2c8e6d88829aeb.exe
Download: download sample
Signature Formbook
File size:164'864 bytes
First seen:2021-08-22 14:59:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:jBX4b687dh6LmmoUBSRjgsH9hOt9MPs3cJcebCCoR/esr+:R4veBoUgtlHjOt973cJDDoZesr
Threatray 8'444 similar samples on MalwareBazaar
TLSH T1D6F38D32D642C031E2B251F4B67D1B7B893E0D352254A0EAE7E11AA56EE05E6F43931F
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
534
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d6eb8fdfcf2c636bca2c8e6d88829aeb.exe
Verdict:
No threats detected
Analysis date:
2021-08-22 15:02:16 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
Sending a UDP request
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
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 469509 Sample: 8KSk475X2p.exe Startdate: 22/08/2021 Architecture: WINDOWS Score: 100 24 www.specialoy.com 2->24 26 www.gi-dep.com 2->26 28 specialoy.com 2->28 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 5 other signatures 2->42 9 8KSk475X2p.exe 2->9         started        signatures3 process4 signatures5 44 Modifies the context of a thread in another process (thread injection) 9->44 46 Maps a DLL or memory area into another process 9->46 48 Sample uses process hollowing technique 9->48 50 2 other signatures 9->50 12 help.exe 9->12         started        15 explorer.exe 9->15 injected process6 dnsIp7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Tries to detect virtualization through RDTSC time measurements 12->56 18 cmd.exe 1 12->18         started        30 www.betterydaddy.com 81.17.18.195, 49728, 80 PLI-ASCH Switzerland 15->30 32 www.sanweilightng.com 104.165.138.189, 49725, 80 EGIHOSTINGUS United States 15->32 34 9 other IPs or domains 15->34 58 System process connects to network (likely due to code injection or exploit) 15->58 20 autoconv.exe 15->20         started        signatures8 process9 process10 22 conhost.exe 18->22         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-08-22 08:13:28 UTC
AV detection:
40 of 46 (86.96%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:bfup rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Malware Config
C2 Extraction:
http://www.sanweilightng.com/bfup/
Unpacked files
SH256 hash:
dc26789a27709300dcdd742b50b8acb5c4d96d13c0aa5adb69c4f76d8e75c8ba
MD5 hash:
d6eb8fdfcf2c636bca2c8e6d88829aeb
SHA1 hash:
52c90df4813585c48f4d98345d9a34b37c9f6529
Detections:
win_formbook_auto win_formbook_g0
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:Formbook
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.

Comments