MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea0398e9c644309652d60f4261c03ba7aa64bf8fddd4960c7e65fcb732af4530. 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 3 File information Comments

SHA256 hash: ea0398e9c644309652d60f4261c03ba7aa64bf8fddd4960c7e65fcb732af4530
SHA3-384 hash: 0e3d0a3a1f0ef3620069084ad15320d5c49838412f95e80cdd7faf2f700b56eb7ce84fa31ad0e8a00059c2909d1288d3
SHA1 hash: e9648427197d7fe7b21b6dcae1216b84e61bd795
MD5 hash: 4dce9a000a10990f7e8ecb75c9768cfc
humanhash: romeo-white-july-red
File name:Order 45789011.exe
Download: download sample
Signature Formbook
File size:747'520 bytes
First seen:2021-08-31 07:24:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ekjI5SFpxeWzkKCreQT7unfiQpOLMWcumHmuIa0WDmbgd4HI:7Is2WR367unfYIvuZuL0+mc7
Threatray 8'857 similar samples on MalwareBazaar
TLSH T100F42E7F19BDA2278175C6F58BE78827F0008B6F3110696476D347264322A7AB5F336E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order 45789011.exe
Verdict:
Malicious activity
Analysis date:
2021-08-31 07:27:38 UTC
Tags:
trojan formbook stealer

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
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
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: 474775 Sample: Order 45789011.exe Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 31 www.inwellvapor.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 11 Order 45789011.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Order 45789011.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 Order 45789011.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.sabapods.com 18->33 35 www.sabapods.com 192.64.147.164, 49748, 80 VOODOO1US United States 18->35 37 15 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 control.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-31 06:21:29 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:kmb0 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.2923grand.com/kmb0/
Unpacked files
SH256 hash:
da269d34aaa40e5c939317abb0745b73fecc69d7f7f6c11b47a0e5c0398d5ae0
MD5 hash:
fd652a4b87f8f37c284c7e7c689a9893
SHA1 hash:
e39253de8427e9fd5a5656c4212e57723a1cf941
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
caca58c402adff09bbc6907211050ce93ba1ca9de7e272d9d0f37f101e6fa340
MD5 hash:
3880b837a1470737da64d3b682136cb0
SHA1 hash:
7670a024e615341a0c1f9c38ba088781210167fb
SH256 hash:
65b67442aa7106833d4876ff29b4b49cb94e951b601fc812df0bc8e387abbd16
MD5 hash:
a117fd1b63a5d58ac03e5c6895999a92
SHA1 hash:
406b8608a0e3770227d454a9a5155c2bf527465e
SH256 hash:
81f9eac76804c02f5baaa34c91b5775f965a34ad7811218d9c24e50cb6d9a90c
MD5 hash:
bae511742374b721136acaa03b0c1fa0
SHA1 hash:
215c50455b01a78ea173bbb034ddbe4b452ea734
SH256 hash:
ea0398e9c644309652d60f4261c03ba7aa64bf8fddd4960c7e65fcb732af4530
MD5 hash:
4dce9a000a10990f7e8ecb75c9768cfc
SHA1 hash:
e9648427197d7fe7b21b6dcae1216b84e61bd795
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: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 ea0398e9c644309652d60f4261c03ba7aa64bf8fddd4960c7e65fcb732af4530

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments