MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df8f7e81b9ccea1324a19fd1356c8fb79ea5623ba4095195f86c29f3816b5f7f. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df8f7e81b9ccea1324a19fd1356c8fb79ea5623ba4095195f86c29f3816b5f7f
SHA3-384 hash: 6826d0a91d1ebc92c9518a69171cd50fa14d72daec85060ad893fd7da33138f25114efffcc1cb16130b3c7acd288a0bb
SHA1 hash: c550587aa6a773bffdc8310a5575d2c8ed482b74
MD5 hash: ed427d483fedf9e80f4a3cbba7638b06
humanhash: cat-oxygen-asparagus-mars
File name:svchost.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'015'808 bytes
First seen:2020-12-18 07:45:55 UTC
Last seen:2020-12-18 09:59:00 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 24576:W9oHe5ps7NcB5BuKBlhx++RnYnq1AM3IiQ:dcnBumlj+UYnhM3F
Threatray 4'498 similar samples on MalwareBazaar
TLSH 29258D207FE52716F03FABB556D82489C7FEB223E306E95A3CA102C65622F45CD91637
Reporter Marco_Ramilli
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE AND PACKING LIST.xlsx
Verdict:
Malicious activity
Analysis date:
2020-12-18 07:13:16 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/e5f48bf5-090b-4b59-bba7-1cff123eb9b3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/108410/
Detection(s):
SecuriteInfo.com.generic.ml.23816.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a UDP request
Creating a window
DHCP request
Modifying a system file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/566057
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Injects a PE file into a foreign processes
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 submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: System File Execution Location Anomaly
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 332107 Sample: svchost.exe Startdate: 18/12/2020 Architecture: WINDOWS Score: 100 31 www.riellymoore.com 2->31 33 riellymoore.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 9 other signatures 2->47 11 svchost.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\svchost.exe.log, ASCII 11->29 dropped 57 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 svchost.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 thesiromiel.com 34.102.136.180, 49760, 80 GOOGLEUS United States 18->35 37 www.nbworldfire.com 161.8.142.134, 49752, 80 DEDIPATH-LLCUS United Kingdom 18->37 39 6 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 ipconfig.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/df8f7e81b9ccea1324a19fd1356c8fb79ea5623ba4095195f86c29f3816b5f7f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-18 07:46:09 UTC
AV detection:
6 of 48 (12.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=36hx5anzztvbgjfbt7itk3epw6pkkyr3uqevdfpynqu7halll57q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
04274b027d3bd09ec0d7b58ff5af64aa06e626668995cb5ef6d7fad939bc6c33
Formbook
091f6c53a4f73bdac192e08bda0459f5e8af953a3c2b5cdee175677301a8cef5
Formbook
12898cbec097104c225702c61e311cc6e12d0f4ac55b95a1eb41a812e6941748
Formbook
7a39513f428374b50a41c8d30a1704906270005c4675db03d810f9970fd96bbf
Formbook
82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b
Formbook
9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
Formbook
ab2d651176cc27c6b41e7d6bdb060c328d66e68c4fb8df1b2c0a217187b2c15d
Formbook
d8e49c2f12a39f106cc3449ec923265bb5cd10d8b67cc58f45719c9ed4b666f1
Formbook
e07c9d7c06c5ebc0b53aba5bb6c35edd07169401a08e016ca68fa5677db00370
Formbook
f1ca0286fa691166ab71220ee3243bcfa4e73b17247e382edaf6c1590d50d3a2
Formbook
+ 4'488 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/201218-1e2pc6b6dx/
Behaviour
Enumerates system info in registry
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 UnmapMainImage
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.thesiromiel.com/kgw/
Unpacked files
SH256 hash:
df8f7e81b9ccea1324a19fd1356c8fb79ea5623ba4095195f86c29f3816b5f7f
MD5 hash:
ed427d483fedf9e80f4a3cbba7638b06
SHA1 hash:
c550587aa6a773bffdc8310a5575d2c8ed482b74
Link:
https://www.unpac.me/results/01f193b1-fa7d-4840-92dd-3a1c4f4b09ee/
SH256 hash:
4e7f90ccf29cdfce9d07fd8872540ac0a67dc0625c7fb20fc4c1c4a20dab2eef
MD5 hash:
d12a0446e71840284bab61a5affa8ecc
SHA1 hash:
eba48550a8c1747fea93377789fbc26a37adef38
Link:
https://www.unpac.me/results/01f193b1-fa7d-4840-92dd-3a1c4f4b09ee/
SH256 hash:
2048aab3e3accd19c2275d16810726cf15e47daacd9524912c030d13556f2074
MD5 hash:
7df9e061e747ba912b247b186c4484b3
SHA1 hash:
efcd009a0902825a96ceb7b8090af41afa21504e
Link:
https://www.unpac.me/results/01f193b1-fa7d-4840-92dd-3a1c4f4b09ee/
SH256 hash:
21afc398aa7e05ed3eb9a23a011d0b7572a1178b33dba6b865638fdae2ffd461
MD5 hash:
579f71a60d426d5cfe9b40b74b1d5a52
SHA1 hash:
f130426ab206b90d5b04d47727a27dc5f0749ec1
Link:
https://www.unpac.me/results/01f193b1-fa7d-4840-92dd-3a1c4f4b09ee/
SH256 hash:
b087a4c845235d514eb24a87f9af3c3f4171050906450d2d185e056caa4ba0f6
MD5 hash:
63ba6b8c7406b7c5af6526977517a7bf
SHA1 hash:
704e4e782aa010d23342b5bff350024a355c88d4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/01f193b1-fa7d-4840-92dd-3a1c4f4b09ee/
Parent samples :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 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/df8f7e81b9ccea1324a19fd1356c8fb79ea5623ba4095195f86c29f3816b5f7f

File information

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

Web download

Formbook

Executable exe df8f7e81b9ccea1324a19fd1356c8fb79ea5623ba4095195f86c29f3816b5f7f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/927453/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108410/

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