MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 275537d87441c354b859273e0729177d78f185bebdd9a86fac240a3f168a80a3. 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: 275537d87441c354b859273e0729177d78f185bebdd9a86fac240a3f168a80a3
SHA3-384 hash: 5ba3b677c8b7ad4c77f7fd9894522529db36b1bbea04f5d84d6ee0cd9053c11dfdbeb86aeeb3b9bd3e9a5cb8bb4571f9
SHA1 hash: 7e7465e8d1e0e3eb69f3e7a0b9c449d7726f17f6
MD5 hash: 6e9263bb579857d7e5e87f6e4d309fd6
humanhash: enemy-romeo-bakerloo-alanine
File name:SLIP.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:753'664 bytes
First seen:2020-08-03 13:22:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Eaf7lsHN0Alxaf7oedXAwPVG2k+rB7rX6Oj1LkZUvje:HfZsHyAbmlNAwtj6e14Z
Threatray 5'444 similar samples on MalwareBazaar
TLSH 7FF49E1C63904297F0091F7ADD3A2E025920EC3E7893E3CE75B5762F98B67991832B17
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

From: "Giovanni" <sales@aegeandivers.com>
Reply-To: hopps@kiwibeachresorts.it
Subject: Re: Bookings
Attachment: SLIP.rar (contains "SLIP.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/37857/
Detection(s):
SecuriteInfo.com.Generic.mg.6e9263bb579857d7.21251.UNOFFICIAL
Create hunting rule

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
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/407978
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256223 Sample: SLIP.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Yara detected AntiVM_3 2->37 39 Yara detected FormBook 2->39 41 2 other signatures 2->41 10 SLIP.exe 3 2->10         started        process3 signatures4 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 13 SLIP.exe 10->13         started        16 SLIP.exe 10->16         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 18 explorer.exe 13->18 injected process7 dnsIp8 29 www.qduola.com 18->29 31 www.onsitelogistics123.net 18->31 33 3 other IPs or domains 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 wscript.exe 18->22         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/275537d87441c354b859273e0729177d78f185bebdd9a86fac240a3f168a80a3/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 13:24:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=e5ktpwduihbvjocze47aokixpv4pdbn6xxm2q35meqfd6fukqcrq._file
Verdict:
malicious
Similar samples:
0edc17effc79112df8aadfd138cc3db51ecb97c7ed54668f1b17a216f45eb5ab
FormBook
2ad4a02a1f907b8036b9bea0fd940bfb47435964b23ffae577080823c86500dd
FormBook
2b12d292ec4052f1e9d0c407fa6e522c945fda64796468f681c37ed68a25284a
FormBook
2cb2db5123d7c8cce87537dd8de3a48ba93b6b6ee23fa14398355173741f8c40
FormBook
30efd997c49aae97766539c72d72529b06f1e8522ea84e71758cde4ed1846921
FormBook
4a21cad0d588267ebde8f8112e9d85bf355c77434beda6436cd9403a0a787c0d
FormBook
4fc219b61d4c1ec456ac76af0a82dcfde187dcab2b015a277c6ee96b04930091
FormBook
b9cd83c667b694ec10f884183b138beeb0f986a7d3c50af463535852f2fa0663
FormBook
d823d3c8c26635339f3de0090fb21441f5d2f4db1a0567b2028ca8e3e7f5670e
FormBook
e1103e6f026f85275a21a6263a141142a733a222c923fa7232c4c9935681e91d
FormBook
+ 5'434 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat spyware evasion trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200803-saegeqy296/
Behaviour
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
System policy modification
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
Adds policy Run key to start application
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/275537d87441c354b859273e0729177d78f185bebdd9a86fac240a3f168a80a3

File information

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

Malspam

FormBook

rar 1cb5f8768e5fcd597c4293259e66018797da121d207f0600ea25f571b91f5165

FormBook

Executable exe 275537d87441c354b859273e0729177d78f185bebdd9a86fac240a3f168a80a3

(this sample)

  
Dropped by
MD5 4313762e0df151844775b6f08bc55992
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37857/
  
Dropped by
SHA256 1cb5f8768e5fcd597c4293259e66018797da121d207f0600ea25f571b91f5165

Comments