MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07528f3c583c546d2b444b091c3ede380c6427ed0691b95294c7e32dd35560ab. 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: 07528f3c583c546d2b444b091c3ede380c6427ed0691b95294c7e32dd35560ab
SHA3-384 hash: 029d2c4c0d78ce0000420399a55c7b1de4d4971524ac540d971366cc63e51dcc284353304de36c26b95d1c9df81cc5ac
SHA1 hash: d87a038af7d71f079a142c0a2b24e4b987e2f826
MD5 hash: 31555369fa4ff5df287150d28ce24a3b
humanhash: robin-utah-thirteen-spaghetti
File name:bz3xMPgqmD5nAxW.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:1'031'168 bytes
First seen:2020-10-08 12:24:44 UTC
Last seen:2020-10-08 13:23:38 UTC
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:Sz/Hd29KNx8bqA8hER/C7nVTBXZYsyEOnVXEu6EZEHaKhEAzTjXS285khn5gbGXc:wUd8kK7VTpSsyZXqaKtTbrRhn
Threatray 2'366 similar samples on MalwareBazaar
TLSH BC25089C7670759EC857C9F78AE41C64EA607C6A430FD243B03336A9993DA97CF143A2
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69202/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
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/485326
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected FormBook malware
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
Sigma detected: Steal Google chrome login data
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)
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: 295116 Sample: bz3xMPgqmD5nAxW.exe Startdate: 08/10/2020 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for dropped file 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 11 other signatures 2->59 10 bz3xMPgqmD5nAxW.exe 6 2->10         started        process3 file4 39 C:\Users\user\AppData\Roaming\qstbshhcN.exe, PE32 10->39 dropped 41 C:\Users\user\AppData\Local\...\tmpEFFE.tmp, XML 10->41 dropped 43 C:\Users\user\...\bz3xMPgqmD5nAxW.exe.log, ASCII 10->43 dropped 71 Tries to detect virtualization through RDTSC time measurements 10->71 73 Injects a PE file into a foreign processes 10->73 14 bz3xMPgqmD5nAxW.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 75 Modifies the context of a thread in another process (thread injection) 14->75 77 Maps a DLL or memory area into another process 14->77 79 Sample uses process hollowing technique 14->79 81 Queues an APC in another process (thread injection) 14->81 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 47 www.nutrhyp.com 84.16.87.143, 49731, 49732, 80 INFOMANIAK-ASCH Switzerland 19->47 49 natroredirect.natrocdn.com 85.159.66.93, 49729, 49730, 80 CIZGITR Turkey 19->49 51 2 other IPs or domains 19->51 61 System process connects to network (likely due to code injection or exploit) 19->61 25 help.exe 18 19->25         started        signatures10 process11 file12 35 C:\Users\user\AppData\...\LP1logrv.ini, data 25->35 dropped 37 C:\Users\user\AppData\...\LP1logri.ini, data 25->37 dropped 63 Detected FormBook malware 25->63 65 Tries to steal Mail credentials (via file access) 25->65 67 Tries to harvest and steal browser information (history, passwords, etc) 25->67 69 3 other signatures 25->69 29 cmd.exe 2 25->29         started        signatures13 process14 file15 45 C:\Users\user\AppData\Local\Temp\DB1, SQLite 29->45 dropped 83 Tries to harvest and steal browser information (history, passwords, etc) 29->83 33 conhost.exe 29->33         started        signatures16 process17
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/07528f3c583c546d2b444b091c3ede380c6427ed0691b95294c7e32dd35560ab/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2020-10-07 16:14:17 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a5ji6pcyhrkg2k2ejmerypw6haggij7na2i3suuuy7rs3u2vmcvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5c0c2689256894521ac0012bc464ad7e0d93c25c60b9df3dfe26b35d85d1713a
FormBook
63d643f5f17f5e621ef22e4c05a5d92c519376d0043c0958284d34ae206c0161
FormBook
691e25f141a0389dec22a7f9027a57ff7242cd2918f525e3c22e81c863f803c9
FormBook
a6fd278a82dad870444a8d93e3c05accdfaef779460c2f3777d9ef2441620a41
FormBook
ba2bf5801650d3b1efe26350bdca102f606dc7622ad4908c414789ef5c0f24b3
FormBook
c65fe5438e02a697fa15a0c17e76885ffb3a22eb92d47359f0519196d8b9c104
FormBook
d7d1d6057e7e731b75e1ba9579ccfe717334cc7b4f59324af1a0aa179db22e68
FormBook
da111408d9dccb99b2c429d535ca55f6e970d911da4c24553e75d02fe9c00489
FormBook
ec4ee2fa916e9fc280f06af0ceded7835693723ebbc6c60bd6e371b5d4ad006a
FormBook
fc0d990ef758b78feb650b93c761b3f0fe5daa30d1fbcc77a424eac49ca8cc4d
FormBook
+ 2'356 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/201008-7apn67l2aa/
Behaviour
Creates scheduled task(s)
Gathers network information
Modifies Internet Explorer settings
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
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.trusted-inspections.com/k8b/
Unpacked files
SH256 hash:
07528f3c583c546d2b444b091c3ede380c6427ed0691b95294c7e32dd35560ab
MD5 hash:
31555369fa4ff5df287150d28ce24a3b
SHA1 hash:
d87a038af7d71f079a142c0a2b24e4b987e2f826
Link:
https://www.unpac.me/results/f98a7039-87d0-436f-92f7-e18957f8e5d7/
SH256 hash:
96b198983e27fe2360dc05027b3dd90c8607a68c9a4cc82a69e7510ca0491c09
MD5 hash:
27d8ae8013a3505fc9e5902b3696835d
SHA1 hash:
276e20477ec1272c92fc45eac18ca0f72aeae51a
Link:
https://www.unpac.me/results/f98a7039-87d0-436f-92f7-e18957f8e5d7/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/f98a7039-87d0-436f-92f7-e18957f8e5d7/
SH256 hash:
5a144f9e72d86bf7789929db2bb48481a8ce2d876da64d70c74a456658dc0b97
MD5 hash:
78d30848461d468119773c4c949b10b0
SHA1 hash:
91f23f2766aa75da9c6fb67e1dc437f87c2422a5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f98a7039-87d0-436f-92f7-e18957f8e5d7/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/07528f3c583c546d2b444b091c3ede380c6427ed0691b95294c7e32dd35560ab

File information

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

Malspam

FormBook

Executable exe 07528f3c583c546d2b444b091c3ede380c6427ed0691b95294c7e32dd35560ab

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69202/

Comments