MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db9a46ce4d2d56fb75e4990521c1e905526268b1a6f51311bb8ed6cc6a3ee7b1. 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: db9a46ce4d2d56fb75e4990521c1e905526268b1a6f51311bb8ed6cc6a3ee7b1
SHA3-384 hash: 381803331a97584279a9aec2141d6e241d0a02f918399233a920e68eb873ed514d07f2e2c4f677f28672e029690be27c
SHA1 hash: 76861cdbf0bf28fb39743223455e09410e9bd517
MD5 hash: f226341b92c26df2eb3a7510310ffe0f
humanhash: alpha-alabama-red-crazy
File name:f226341b92c26df2eb3a7510310ffe0f
Download: download sample
Signature Formbook
File size:802'816 bytes
First seen:2022-02-11 11:27:17 UTC
Last seen:2022-02-11 13:55:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:vaxVvDaQ0PfldBsvShepX4VMuMDbp0eK3oBMDUYC2x3ZidtZ5pxgBDdGez+foTZ:xPfldBs8VpMDbpkIGYMivZ5peDdGezN
Threatray 13'399 similar samples on MalwareBazaar
TLSH T1AB05011677EE9D26D67623F056BE803447B43C46B276EE0B7DE2B2EE14227C21900767
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe greyware obfuscated packed replace.exe update.exe
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 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
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
Self deletion via cmd delete
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 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: 570712 Sample: WkjJxJ2pDE Startdate: 11/02/2022 Architecture: WINDOWS Score: 100 31 www.phukienstreaming.com 2->31 33 www.madacambo.com 2->33 35 6 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 WkjJxJ2pDE.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\WkjJxJ2pDE.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 WkjJxJ2pDE.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.focalbunk.com 44.227.76.166, 80 AMAZON-02US United States 18->37 39 www.webuywholesalerhouses.com 18->39 41 webuywholesalerhouses.com 34.102.136.180, 49790, 49830, 49832 GOOGLEUS United States 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 mstsc.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-11 11:28:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 42 (57.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:quc5 loader rat
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
b9e2735d9bdccc9a41cca7fc1d890c309ec3dc7da89152690d6eb134eae8c324
MD5 hash:
c1fbf0401e2f0eced121c80915ed3255
SHA1 hash:
1790c00485973beb5c71153fd662c6a7a71c49f6
SH256 hash:
ff60cca9ce9fcf5bb9b00aed0d9a9075e6b05cc357509876374f22f278f45d21
MD5 hash:
b33c7e485e824b41aed4b472e8cec3ef
SHA1 hash:
68b0d7156b3eba02410c382f216a1bb11343c5f9
SH256 hash:
f365b92b11041eed57b6f7534e83e04167fce1cfacc570e79335292f3c0ea8aa
MD5 hash:
9147a2ef317fe384182d1281e5af8110
SHA1 hash:
bbe360e6eca29a32e1f787e1416ddad4d35dcf1a
SH256 hash:
db9a46ce4d2d56fb75e4990521c1e905526268b1a6f51311bb8ed6cc6a3ee7b1
MD5 hash:
f226341b92c26df2eb3a7510310ffe0f
SHA1 hash:
76861cdbf0bf28fb39743223455e09410e9bd517
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:exec_macros
Author:ddvvmmzz
Description:exec macros
Rule name:obfuscate_macros
Author:ddvvmmzz
Description:obfuscate macros
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 db9a46ce4d2d56fb75e4990521c1e905526268b1a6f51311bb8ed6cc6a3ee7b1

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-02-11 11:27:18 UTC

url : hxxp://180.214.237.130/windowsSSL/vbc.exe