MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9aa59bed8eb3e4839b215c072549c359c3867b238e65c4bf98a5f274d2808bb. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash: a9aa59bed8eb3e4839b215c072549c359c3867b238e65c4bf98a5f274d2808bb
SHA3-384 hash: a9e6e584b3333ebf1ec8fcf8e7e7e3f019ab8082669af6d6bb064d35f7a75b317fe67f1ea6ca523066898f9ae8bf3971
SHA1 hash: 1de56299bfca5e0417263ba8954a925f6d5cf8fb
MD5 hash: 2648e55802ea0888fea42a50ff7443a9
humanhash: october-speaker-red-texas
File name:2648e55802ea0888fea42a50ff7443a9
Download: download sample
Signature Formbook
File size:650'752 bytes
First seen:2022-07-04 18:31:43 UTC
Last seen:2022-07-23 02:51:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:fIKJHS98PRlsc19jZghFT8LR5AsubiyyVwSSiqe:QKJy9osk9lghF8ADbW
TLSH T10AD4F1ADFFA5CE13C6981632D0D2441D43B1A84EA133EB6B758D13E51E037B698C778A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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: 656905 Sample: ZQNMlQQO13 Startdate: 04/07/2022 Architecture: WINDOWS Score: 100 37 www.mgtv6.xyz 2->37 39 www.mercedschools.com 2->39 41 3 other IPs or domains 2->41 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 59 8 other signatures 2->59 11 ZQNMlQQO13.exe 3 2->11         started        15 explorer.exe 143 2->15         started        signatures3 57 Performs DNS queries to domains with low reputation 37->57 process4 file5 35 C:\Users\user\AppData\...\ZQNMlQQO13.exe.log, ASCII 11->35 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 17 ZQNMlQQO13.exe 11->17         started        20 ZQNMlQQO13.exe 11->20         started        22 ZQNMlQQO13.exe 11->22         started        24 ZQNMlQQO13.exe 11->24         started        signatures6 process7 signatures8 43 Modifies the context of a thread in another process (thread injection) 17->43 45 Maps a DLL or memory area into another process 17->45 47 Sample uses process hollowing technique 17->47 49 Queues an APC in another process (thread injection) 17->49 26 explorer.exe 17->26 injected process9 process10 28 cmd.exe 26->28         started        signatures11 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67 69 Tries to detect virtualization through RDTSC time measurements 28->69 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-07-04 18:32:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
354779c16a91cfe0108e83cb887314aa385873e38983c8d90110bb9e57881b79
MD5 hash:
66aba96f0ef337e5833898d1b3fb5f84
SHA1 hash:
d7af9a42dca35ab4acfb0699d5beeb53769e94e3
SH256 hash:
70bb4f8aa7d0a33f8206f78c845fa2bd686c2a0f2b3bd50cd0b6b887a45398ca
MD5 hash:
30d61a3a3e26c2bca2eb766990132d7c
SHA1 hash:
94f9742d5f21b13f7d8d194fe938193cbb6a0d4d
SH256 hash:
3b59fe180dd50e3f3d4fdcbdd4e7a2d4e3e1c85ae43cb4f3716c4be41e9ec2ae
MD5 hash:
9ea556e333e216a65aa09c102f36004f
SHA1 hash:
814c07f1dc68bd61840384aac3aa8346d9f8148f
SH256 hash:
c042871c0f3a808ab6e513a7a8b7a52b12d0fb6c32250d5aca10af07258fb798
MD5 hash:
3886ca09fd9bbbc3a9a42d1a8fba8028
SHA1 hash:
6992cdc31a9eddee1d0ff13e9c6d4b0b5f5d708e
SH256 hash:
15f64489d229be3915f503b79167bc6883fdfb289cc790047b05cfe0a33257ae
MD5 hash:
6eb8c424f6f9fbd1da2e11b3f13e0b15
SHA1 hash:
4b713b6553f218a3ede80c879d6f0b66f7627af9
SH256 hash:
a9aa59bed8eb3e4839b215c072549c359c3867b238e65c4bf98a5f274d2808bb
MD5 hash:
2648e55802ea0888fea42a50ff7443a9
SHA1 hash:
1de56299bfca5e0417263ba8954a925f6d5cf8fb
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 a9aa59bed8eb3e4839b215c072549c359c3867b238e65c4bf98a5f274d2808bb

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-04 18:31:49 UTC

url : hxxp://107.172.76.188/d/otu.exe