MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9fa08af8ceadc9af473f443a5b8c8d0f3e40324df53c81a5da4f97ef946e160. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9fa08af8ceadc9af473f443a5b8c8d0f3e40324df53c81a5da4f97ef946e160
SHA3-384 hash: 9d06aedc9746413668ff99535ac7fbb491a72a8cc0af5710998c1ee7ff5bf617e6b28fdcba17cdb02d5165de07c200d6
SHA1 hash: a0ab73cf1b412db701e13f0097a948bf8e0f23de
MD5 hash: 811e46ee3cf822d89ec48c267a278d39
humanhash: shade-double-jupiter-equal
File name:6z0GZwvVSRNDV96.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:634'368 bytes
First seen:2020-10-22 11:51:43 UTC
Last seen:2020-10-22 13:22:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:IE9MQznu+y1o8CUL0OPYoZLUNOxlwDo7MelkR4y9A1GKZHNYPzodu:T9TzNC7Cc0t0UonBlkR4mA1GUKzod
Threatray 2'657 similar samples on MalwareBazaar
TLSH 8FD402106A9AAB33D77E87F5214C500AA771454F5322EB388DE37AE76965B00CFD0E93
Reporter abuse_ch
Tags:exe FormBook Outlook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: APC01-PU1-obe.outbound.protection.outlook.com
Sending IP: 40.92.254.82
From: ezrealpan@hotmail.com
Reply-To: geimeg@quipo.it
Subject: FW RE New Contract Invoice
Attachment: New Doc.rar (contains "6z0GZwvVSRNDV96.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/74631/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.3789.24889.31163.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Sending a UDP request
Creating a window
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/507062
Signature
.NET source code contains potential unpacker
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 302657 Sample: 6z0GZwvVSRNDV96.exe Startdate: 22/10/2020 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 11 other signatures 2->50 10 6z0GZwvVSRNDV96.exe 6 2->10         started        process3 file4 32 C:\Users\user\AppData\...\ARhFulEhqIf.exe, PE32 10->32 dropped 34 C:\Users\user\AppData\Local\...\tmpF019.tmp, XML 10->34 dropped 36 C:\Users\user\...\6z0GZwvVSRNDV96.exe.log, ASCII 10->36 dropped 60 Tries to detect virtualization through RDTSC time measurements 10->60 62 Injects a PE file into a foreign processes 10->62 14 6z0GZwvVSRNDV96.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 38 www.tw2dl.com 185.53.177.14, 49770, 80 TEAMINTERNET-ASDE Germany 19->38 40 www.viviandsenaworld.com 156.252.104.216, 49769, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 19->40 42 www.shannonballcoach.com 35.197.119.180, 49768, 80 GOOGLEUS United States 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 25 ipconfig.exe 19->25         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 25->54 56 Maps a DLL or memory area into another process 25->56 58 Tries to detect virtualization through RDTSC time measurements 25->58 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9fa08af8ceadc9af473f443a5b8c8d0f3e40324df53c81a5da4f97ef946e160/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-22 08:15:47 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xh5arl4m5lojv5dt6rb2logi2dz6iaze35j4qgs5ut4x56kg4fqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1e23baead02d0a359125e72cddf8a5114f8167e3a1f11b6a79f0d1713531fabd
Formbook
5388c70ef1d9bfc414a92c3aa4ea34db6992ee705813b5b4a2b4c28b435cbf6c
Formbook
583e11d3579a63016e568fad73fb9f5ab64e32012ab1a0764f62191ced808078
Formbook
6e7a5741c5cb3b394efeefd5cac1c71d023df73e4c19a02b9de64ea1a1ae4241
Formbook
6eced51e9e9f798e79627188c69026a06a576021d112c8b94ed517f2576b009f
Formbook
6f0c98efd3149c8527cf3f700d123da142275f32c166cf2ca2b186d1acc1286c
Formbook
b3b1f3479b7d0033e21ef89ccea063a0281604d4472252cf590ec99be5aa2eb4
Formbook
dc22665dc14ec019a9f8c421c938db597c2a1b9e439c4a0a0b6dc7b1330e75b8
Formbook
f2848bb06faec26cdb7bf8df01c598641d0d73c8b7c58a7aed106e9864942cf6
Formbook
f40a960ed96e9a20965c184a7f798a5c2510f5673fde3b2274e4ea7ab463a324
Formbook
+ 2'647 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201022-jqheg1b1wa/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bfboke.com/cpi/
Unpacked files
SH256 hash:
b9fa08af8ceadc9af473f443a5b8c8d0f3e40324df53c81a5da4f97ef946e160
MD5 hash:
811e46ee3cf822d89ec48c267a278d39
SHA1 hash:
a0ab73cf1b412db701e13f0097a948bf8e0f23de
Link:
https://www.unpac.me/results/9d1d41bc-e781-4452-8fae-cbbe5d438517/
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
Link:
https://www.unpac.me/results/9d1d41bc-e781-4452-8fae-cbbe5d438517/
SH256 hash:
36d45e0b806f7977c240783c820b62dc10f303b823a841faef084eb203309b9b
MD5 hash:
ff6c4c4c7ac3f64e5a103375beb1d8fd
SHA1 hash:
f8326be002a9eea69d24864ad480c07839120c34
Link:
https://www.unpac.me/results/9d1d41bc-e781-4452-8fae-cbbe5d438517/
SH256 hash:
d4fb0a8b9c22ac62d496e373a84ecfd4ff995ac7f42fd5a182c99d28b1ee8b23
MD5 hash:
088043172ff6b0898cb70ad48aebc204
SHA1 hash:
3c56969b1f938dda6d326e1d58e9f42f7266eaa0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9d1d41bc-e781-4452-8fae-cbbe5d438517/
Parent samples :
680e6e46c8bed6c48e63f6dab3409bb9cd05f6642084ef8b0d03898dacc500a7
fd5aa67ff2ae6837aaf729665b08947c23a7b5cbb1f0c9fba82ebb95ddafcf24
0bfa5712201676e9439c4624fd99b8ec2bba95ccd53fb67f0a289b0a8347fc7c
f755a2e09db3f63b7e9c035a488652b00ccb0678eca144db82e84e9e34345deb
b9fa08af8ceadc9af473f443a5b8c8d0f3e40324df53c81a5da4f97ef946e160
ade5a7d8aab5f80cf5b8b97c2bdf22922ef7fafa749b2eb7f1655b0349886196
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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 8ac660ea2bb2b6fdded2d58ceaaad003a47c97f58e958ef380f8265a4f57b54f

Formbook

Executable exe b9fa08af8ceadc9af473f443a5b8c8d0f3e40324df53c81a5da4f97ef946e160

(this sample)

  
Dropped by
MD5 ae50a6c76c359415e7c51c966ed489bd
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/74631/
  
Dropped by
SHA256 8ac660ea2bb2b6fdded2d58ceaaad003a47c97f58e958ef380f8265a4f57b54f

Comments