MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be7f98aff3b0e3bd6c740ee80ce002df7a7a8d979221b69c3916f5915cdfd37d. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: be7f98aff3b0e3bd6c740ee80ce002df7a7a8d979221b69c3916f5915cdfd37d
SHA3-384 hash: 7b2ce26c656ac730806efefb35c0aa251520bc3997567b9f9e22de1576511d04e5b1aec306c1b84f9492d7c9321aafe7
SHA1 hash: 3f53e7e7a80e7e7638f8a6751777ac408ca57e35
MD5 hash: 8a6753d0479e84e6c204166509a93c0d
humanhash: venus-south-march-iowa
File name:8a6753d0479e84e6c204166509a93c0d.exe
Download: download sample
Signature Formbook
File size:801'280 bytes
First seen:2020-12-08 07:39:38 UTC
Last seen:2020-12-08 09:31:28 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:t4K6DfK6DHmCzs0pCIUD8jaP+H7lEQ7kbStVAF62qPVGNbTuMuKBD7hpvAQ:D6O6rm4s0pc8jaP+BEQAG4mST0sDdL
Threatray 3'077 similar samples on MalwareBazaar
TLSH 30055B39AE545129F5726F7C89A02555666E2F937F1BE89D2CF132ED0B33AC289C013C
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8a6753d0479e84e6c204166509a93c0d.exe
Verdict:
Malicious activity
Analysis date:
2020-12-08 07:45:55 UTC
Tags:
n/a

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
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
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: Suspicious Svchost Process
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 327931 Sample: j1EIZyu4KV.exe Startdate: 08/12/2020 Architecture: WINDOWS Score: 100 41 www.crusder-coffee.com 2->41 43 crusder-coffee.com 2->43 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 10 other signatures 2->57 11 j1EIZyu4KV.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\rjJrmzHokxH.exe, PE32 11->33 dropped 35 C:\Users\...\rjJrmzHokxH.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmpE40F.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\j1EIZyu4KV.exe.log, ASCII 11->39 dropped 67 Tries to detect virtualization through RDTSC time measurements 11->67 15 j1EIZyu4KV.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 www.underfashion.net 185.53.177.10, 49742, 80 TEAMINTERNET-ASDE Germany 20->45 47 www.tianchensuyun.com 154.209.104.78, 49743, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 20->47 49 4 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 svchost.exe 20->26         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2020-12-07 01:40:29 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.poweruppowerwashing.com/21m/
Unpacked files
SH256 hash:
be7f98aff3b0e3bd6c740ee80ce002df7a7a8d979221b69c3916f5915cdfd37d
MD5 hash:
8a6753d0479e84e6c204166509a93c0d
SHA1 hash:
3f53e7e7a80e7e7638f8a6751777ac408ca57e35
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe be7f98aff3b0e3bd6c740ee80ce002df7a7a8d979221b69c3916f5915cdfd37d

(this sample)

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