MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d6d9ddbe70bd9d609cfd70f0236a2562b596a6744f283c3b3e4c2ae26a686f9. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 6d6d9ddbe70bd9d609cfd70f0236a2562b596a6744f283c3b3e4c2ae26a686f9
SHA3-384 hash: d14c86c18e19c7781a4cc70e954eed4a760cee42c6080c21ed7190f9c14700af3f9fc30408452b5b4243a7c56c125973
SHA1 hash: a4773d83360d782f42f0cbf0c454d9ad4d8d396f
MD5 hash: 4f3a433f0a05daedff0150dbd6df85c4
humanhash: orange-thirteen-michigan-shade
File name:Invoice.exe
Download: download sample
Signature Formbook
File size:621'568 bytes
First seen:2022-03-18 14:14:46 UTC
Last seen:Never
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:gLL5/Yi9EXN0kyTKR78iWQItHbNfITX1kd8kkkD+wSr+AmUuQy4Y:esdIVpITFk+i
TLSH T1B1D46B7E256472BFC97BCA7286501C29F690A0EB7603AD06E99307940D0F4CBBFC556E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
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
Self deletion via cmd delete
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 592053 Sample: Invoice.exe Startdate: 18/03/2022 Architecture: WINDOWS Score: 100 39 www.thetimekeepers.club 2->39 41 thetimekeepers.club 2->41 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 12 other signatures 2->55 11 Invoice.exe 6 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\SBgWlDFVumcKQ.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmp8BAD.tmp, XML 11->35 dropped 37 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 11->37 dropped 69 Uses schtasks.exe or at.exe to add and modify task schedules 11->69 71 Tries to detect virtualization through RDTSC time measurements 11->71 73 Injects a PE file into a foreign processes 11->73 15 Invoice.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 Queues an APC in another process (thread injection) 15->81 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 43 nadodemons.xyz 124.248.158.192, 49818, 80 KIRKAGOYAJAPANIncJP Japan 20->43 45 www.pawspetreiki.com 20->45 47 www.nadodemons.xyz 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 59 Performs DNS queries to domains with low reputation 20->59 26 systray.exe 20->26         started        signatures11 process12 signatures13 61 Self deletion via cmd delete 26->61 63 Modifies the context of a thread in another process (thread injection) 26->63 65 Maps a DLL or memory area into another process 26->65 67 Tries to detect virtualization through RDTSC time measurements 26->67 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-18 14:15:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:pc20 loader rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
fc7e3aeb7b55d75e00f96b87c36fbb4ec84f1dc321fa6ece859d71239af13122
MD5 hash:
022747858c0161bd5719176f34d66265
SHA1 hash:
79000830cb1e56284f2b05d37ff5fc28e681d1fe
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
6d6d9ddbe70bd9d609cfd70f0236a2562b596a6744f283c3b3e4c2ae26a686f9
MD5 hash:
4f3a433f0a05daedff0150dbd6df85c4
SHA1 hash:
a4773d83360d782f42f0cbf0c454d9ad4d8d396f
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: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 6d6d9ddbe70bd9d609cfd70f0236a2562b596a6744f283c3b3e4c2ae26a686f9

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments