MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dde47d0a420d8a7f52b6e979177da26444fc79d65cc84c7adf1e99bf5273945e. 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

SHA256 hash: dde47d0a420d8a7f52b6e979177da26444fc79d65cc84c7adf1e99bf5273945e
SHA3-384 hash: 3bc29badfb9ef1dff612722ac14198ab002f259f1a0911423e037884891f8f0a7dd4adf36f2215f829ed8d5dc4455b28
SHA1 hash: 25941834063acf48759dfe561b43b06bf2f01e14
MD5 hash: 52a088376ef4df9b8716d758bb079533
humanhash: white-table-quebec-aspen
File name:VCLNSAPZU1252722-PDF.exe
Download: download sample
Signature Formbook
File size:1'027'072 bytes
First seen:2022-03-21 12:45:10 UTC
Last seen:2022-03-29 13:24:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:QRfp9Do5CXz+jNeY+tNNRrvBMVct4UKHcc7rpG6/e2ebC:EbsIXyjN6NNR7W5UKJ7geeJb
TLSH T15125236073B25264C529B13294E5844107B36B8ABA53FF84FED472AC0AA77D7DD0337A
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
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: 593230 Sample: VCLNSAPZU1252722-PDF.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 33 www.guttystore.com 2->33 35 www.acced-bnl.com 2->35 37 2 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 10 other signatures 2->51 11 VCLNSAPZU1252722-PDF.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\...\VCLNSAPZU1252722-PDF.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 VCLNSAPZU1252722-PDF.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 39 zakawsky.com 152.89.234.155, 49799, 80 OPTIMUS-ASSI Slovenia 18->39 41 www.mama-yuchi.com 118.27.122.222, 49822, 80 INTERQGMOInternetIncJP Japan 18->41 43 2 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 22 explorer.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-21 12:46:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:mts0 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
c9a43a0d7dbcb291fc2752076b2dc4275ea6d5f53defb6f22360bb452527ee00
MD5 hash:
5b8ea14227ed3d673aabbcf195792337
SHA1 hash:
20fe55a7790d7c61e6cfbcd74e8fe8d2ef37d6b5
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6ff21c090296e9fd3ec2b17e03e184e2396adf4013b2a4f4c9dea5bd7aff38f7
MD5 hash:
7c3fb3e3d91e338ae917c4cb46895e71
SHA1 hash:
ba577b8ccb3c6bbc5e9e3a838aec98859cd4dbaa
SH256 hash:
f5a29c18fec2deaa27a0560185d89c85a0998904b9831f2b8dca2715a91afda6
MD5 hash:
fed2b86409d259aaff113991f3000d3b
SHA1 hash:
46bcdcc3bec1e70f7bcc23b28b00c6e42e9f787e
SH256 hash:
0179128ff8bbf08c67c88f485e8513acb05a5a19edbf6eb5ca7afbfebecf424c
MD5 hash:
92c0d4f16ddfbb32348620374ca66ffd
SHA1 hash:
42d24b429579f056e2a2109fe4793fbe8864ac18
SH256 hash:
dde47d0a420d8a7f52b6e979177da26444fc79d65cc84c7adf1e99bf5273945e
MD5 hash:
52a088376ef4df9b8716d758bb079533
SHA1 hash:
25941834063acf48759dfe561b43b06bf2f01e14
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.

Malspam

Formbook

Executable exe dde47d0a420d8a7f52b6e979177da26444fc79d65cc84c7adf1e99bf5273945e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments