MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1065bf93114e6fb223724f449bddbb2da33c07379055b8ef03b301c508b04f55. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1065bf93114e6fb223724f449bddbb2da33c07379055b8ef03b301c508b04f55
SHA3-384 hash: f8bce53b8ceca5442d3db72312c6306ae125283b9da1e212a3d10962be58d10c4a8c61e0f2332e16b150c5eb5fb93f8a
SHA1 hash: baeb537f43f62ddb3b7d4788c433f971ec9c7011
MD5 hash: d109ad5732a63f37a97d92b0e7835266
humanhash: tennessee-mike-eleven-summer
File name:RFQ-FSO-01043978.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:902'144 bytes
First seen:2020-08-04 10:51:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:fYbcPgYxmOy+2Do4pPeRH89f+A02mDoQWkn/iPtRbGSrGSdUKHDV1sVMg:VIYxPYVZlgL9DymaP7JUmVTg
Threatray 5'101 similar samples on MalwareBazaar
TLSH A0159EC5F5409950DC290F3A483399914B33BC6BEF12C60A349CB6296BF76D66A35F83
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: an.antitechap.live
Sending IP: 45.95.171.135
From: "Márton Csenár" <info@antitechap.live>
Reply-To: info@antitechap.live
Subject: Request for Quotation RFQ-FSO-01043978
Attachment: RFQ-FSO-01043978.arj (contains "RFQ-FSO-01043978.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38513/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/409042
Signature
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected FormBook malware
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 256757 Sample: RFQ-FSO-01043978.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 49 www.noritzas.com 2->49 57 Malicious sample detected (through community Yara rule) 2->57 59 Yara detected AntiVM_3 2->59 61 Yara detected FormBook 2->61 63 2 other signatures 2->63 11 RFQ-FSO-01043978.exe 3 2->11         started        signatures3 process4 signatures5 87 Tries to detect virtualization through RDTSC time measurements 11->87 89 Injects a PE file into a foreign processes 11->89 91 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->91 14 RFQ-FSO-01043978.exe 11->14         started        17 RFQ-FSO-01043978.exe 11->17         started        process6 signatures7 93 Modifies the context of a thread in another process (thread injection) 14->93 95 Maps a DLL or memory area into another process 14->95 97 Sample uses process hollowing technique 14->97 99 Queues an APC in another process (thread injection) 14->99 19 explorer.exe 4 6 14->19 injected process8 dnsIp9 51 www.kingbadges.com 154.210.230.188, 49750, 49751, 49752 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 19->51 53 rybctushu.com 154.205.201.164, 49737, 80 IKGUL-26484US Seychelles 19->53 55 2 other IPs or domains 19->55 43 C:\Users\user\AppData\...\p2qxrbmx0pc.exe, PE32 19->43 dropped 71 System process connects to network (likely due to code injection or exploit) 19->71 73 Benign windows process drops PE files 19->73 24 systray.exe 1 17 19->24         started        28 p2qxrbmx0pc.exe 3 19->28         started        30 wlanext.exe 19->30         started        32 p2qxrbmx0pc.exe 2 19->32         started        file10 signatures11 process12 file13 45 C:\Users\user\AppData\...\KL3logrv.ini, Unknown 24->45 dropped 47 C:\Users\user\AppData\...\KL3logri.ini, Unknown 24->47 dropped 75 Detected FormBook malware 24->75 77 Tries to steal Mail credentials (via file access) 24->77 79 Tries to harvest and steal browser information (history, passwords, etc) 24->79 85 2 other signatures 24->85 34 cmd.exe 1 24->34         started        81 Injects a PE file into a foreign processes 28->81 36 p2qxrbmx0pc.exe 28->36         started        83 Tries to detect virtualization through RDTSC time measurements 30->83 39 p2qxrbmx0pc.exe 32->39         started        signatures14 process15 signatures16 41 conhost.exe 34->41         started        65 Modifies the context of a thread in another process (thread injection) 36->65 67 Maps a DLL or memory area into another process 36->67 69 Sample uses process hollowing technique 36->69 process17
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1065bf93114e6fb223724f449bddbb2da33c07379055b8ef03b301c508b04f55/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 10:53:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cbs37eyrjzx3ei3sj5cjxxn3fwrtybzxsbk3r3ydwma4kcfqj5kq._file
Verdict:
malicious
Similar samples:
043ba161ac2f0d30c5a15799d3ce26ec63989d278f58867aeff64ce7ecb41f42
FormBook
2bde030373678bb2df1223cd3e3c4e7f2992e30739dcc63b688368f02a100067
FormBook
6367c3eb15039cb11576a7e325edb13877ffece95dff7cd096c6edc3eeefc834
FormBook
7f6459ace4d6259e61c8170563af8a30f25568457902f4f717c8ad17574efab6
FormBook
8842ac3497c777517b2f18152eabaa0994a460d249773a5e89a4e16bca2bd741
FormBook
a91c5af7a94238bb1556b641b9f5bc7798133b3d699a9f3d5b88b8f8fc12f091
FormBook
ab22cc9817cfad165418fef902cfb760c2e6cbf2504cc7d4820aea846533d96a
FormBook
b24a5df4c63722afbed1e3807b18fcc065008ec3431de146dbf3657dffa00893
FormBook
bfd5b7fed44ddcac2f08d101923547f1e034e1bc2a03aaf358c8925870718dd6
FormBook
d51d90494967e7f04fb03f0f0919afce4597860e34fa80bb116c8683dce0126c
FormBook
+ 5'091 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/200804-5esc2pekfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1065bf93114e6fb223724f449bddbb2da33c07379055b8ef03b301c508b04f55

File information

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

Malspam

FormBook

arj 807b7e801123e9ae3441d7f335daa7ab8dee47c0f39495fea08a699005838295

FormBook

Executable exe 1065bf93114e6fb223724f449bddbb2da33c07379055b8ef03b301c508b04f55

(this sample)

  
Dropped by
MD5 fc293d2d5b9b1fa2e937191629ec0c0b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38513/
  
Dropped by
SHA256 807b7e801123e9ae3441d7f335daa7ab8dee47c0f39495fea08a699005838295

Comments