MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdf8f0fe0af3da8a08f2d5ba8baeec69b75565cf09fb160d58297b6b33a956b6. 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 2 File information Comments 1

SHA256 hash: bdf8f0fe0af3da8a08f2d5ba8baeec69b75565cf09fb160d58297b6b33a956b6
SHA3-384 hash: bcb46776c81881d7b49ee967450476e4506151bd56ccb4086b422e8ff259cb12967a32c38ec9a63377fcaed3e4f1f2cb
SHA1 hash: d81923cfc43eb5595b6eed8450f64a18b8c5aaf3
MD5 hash: 262fc001fb4b7001adc2cdc393344393
humanhash: twelve-double-october-bulldog
File name:262fc001fb4b7001adc2cdc393344393
Download: download sample
Signature Formbook
File size:1'120'768 bytes
First seen:2022-05-10 15:59:15 UTC
Last seen:2023-08-27 09:07:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:grKQfxt7J0aCf5WN02UK97HOh/p3XHD67Lgz77EJIBraZjgSLhlDV1piLgcseObl:eh25T2FROZVHDKLgz7zBraZjgyk
Threatray 15'372 similar samples on MalwareBazaar
TLSH T1ED3517987254F9EEC817C175CA685CF0AA207C66C32B820B50173D9EB97E783DF119B6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f26efec4b6c2c00c (24 x AgentTesla, 14 x Loki, 12 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
345
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
262fc001fb4b7001adc2cdc393344393
Verdict:
Suspicious activity
Analysis date:
2022-05-10 16:45:54 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
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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
Injects a PE file into a foreign processes
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
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: 623662 Sample: avJKVgc2Vt Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 31 www.pointlomaadvisors.com 2->31 33 www.thetablelanta.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 6 other signatures 2->47 11 avJKVgc2Vt.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\avJKVgc2Vt.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 avJKVgc2Vt.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.bravesxx.com 162.0.230.89, 49798, 80 NAMECHEAP-NETUS Canada 18->35 37 www.digitalcoastdaily.com 18->37 39 2 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 help.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-10 15:13:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:eido loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
b1ba9ce6d4c9a6897a10ac89103e5c96e27b75699f0527fc47e370fd13d584ff
MD5 hash:
536063b115caa606e6201f3d6c76666b
SHA1 hash:
84c068cae2c5651bb1c675b141e8b858ea29806f
SH256 hash:
73110b1abcfa8e8c29f1aeeaeee8a0233fd20f02acbecf00c55cb2faeae2da26
MD5 hash:
0674d29fca2d0b42ab2f0ee1f6da1980
SHA1 hash:
bb259ce7a5b87b26be113cecddb34719985f691b
SH256 hash:
0fe6785147ba1d6d389b8bf4198326fb1ab2dd6b993627ff3bc964ebca671f39
MD5 hash:
3c5b15644181f7995988caf71f1e573a
SHA1 hash:
d6416df735128bec510ab064717715606415a616
SH256 hash:
24dababb2670cdb4fdc98f11ab48e8fc0a44ce20aea877fb745280f853f9a63c
MD5 hash:
bc6f922c2742d7fcf828a0d4d0276750
SHA1 hash:
069353b0142b81289358f492e886798610f4a438
SH256 hash:
bdf8f0fe0af3da8a08f2d5ba8baeec69b75565cf09fb160d58297b6b33a956b6
MD5 hash:
262fc001fb4b7001adc2cdc393344393
SHA1 hash:
d81923cfc43eb5595b6eed8450f64a18b8c5aaf3
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: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 bdf8f0fe0af3da8a08f2d5ba8baeec69b75565cf09fb160d58297b6b33a956b6

(this sample)

Comments



Avatar
zbet commented on 2022-05-10 15:59:17 UTC

url : hxxp://198.12.89.109/200/hardroot.exe