MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a86f792a5a3d424b756508cb462d3ca9b454f2513a5471df5d41da33649748e9. 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: a86f792a5a3d424b756508cb462d3ca9b454f2513a5471df5d41da33649748e9
SHA3-384 hash: 4b6d4dbd3e245cce0b7169f4d57e84096c7df07a6539170950fe5593bbf837944603e8970f202d3d792599eb4092e20f
SHA1 hash: 1eb462ccddab90a428eab89f890731c02892adb5
MD5 hash: 8a52a64fdf2641c786c2744fb7fc7407
humanhash: wyoming-crazy-march-oregon
File name:SecuriteInfo.com.Trojan.GenericKD.45865428.31596.722
Download: download sample
Signature Formbook
Create hunting rule
File size:1'484'800 bytes
First seen:2021-03-10 07:57:43 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 24576:zgKaXxoWDhU95yWqeUayGz+uhp8PqqwgINk+2nTS:zgVXefZUzGzhEqqwge2nT
Threatray 780 similar samples on MalwareBazaar
TLSH A3658C08BB65BFB5D026CF36841384188EE88967923BF74B39D07CD55B2334A8E1F566
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://transfer.sh/get/3hsW7/iexplorer.exe
Verdict:
Malicious activity
Analysis date:
2021-03-10 04:34:12 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1397e390-c898-4375-a86a-eb463eea619d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/123502/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.45865428.31596.722.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Sending a UDP request
Running batch commands
Launching a process
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/633994
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 365969 Sample: SecuriteInfo.com.Trojan.Gen... Startdate: 10/03/2021 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 5 other signatures 2->50 11 SecuriteInfo.com.Trojan.GenericKD.45865428.31596.exe 15 7 2->11         started        process3 file4 36 C:\Users\user\Driver auto update.exe, PE32 11->36 dropped 38 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 11->38 dropped 40 C:\...\Driver auto update.exe:Zone.Identifier, ASCII 11->40 dropped 42 SecuriteInfo.com.T...65428.31596.exe.log, ASCII 11->42 dropped 60 Drops PE files to the user root directory 11->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->62 15 Driver auto update.exe 14 2 11->15         started        18 cmd.exe 1 11->18         started        signatures5 process6 signatures7 66 Writes to foreign memory regions 15->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->68 70 Injects a PE file into a foreign processes 15->70 20 AddInProcess32.exe 15->20         started        23 conhost.exe 18->23         started        25 reg.exe 1 1 18->25         started        process8 signatures9 52 Modifies the context of a thread in another process (thread injection) 20->52 54 Maps a DLL or memory area into another process 20->54 56 Sample uses process hollowing technique 20->56 58 2 other signatures 20->58 27 explorer.exe 20->27 injected process10 process11 29 chkdsk.exe 27->29         started        signatures12 64 Tries to detect virtualization through RDTSC time measurements 29->64 32 cmd.exe 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-09 04:30:23 UTC
AV detection:
10 of 47 (21.28%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1eec60cc3fe95b8f138a1053af0bafb598760075adabd8a99dced1ccf3302df4
Formbook
203ac3379fb9ca3dd9c50d81234c753493ac422538c30d9a9ea07cb5f5042a7b
Formbook
5024f734215b78dad35ba4390d346c029d19eb14d90983cf48c2b16726df14d9
Formbook
8948c6ec9f9e49de7b8546ae27fbaf0d95cb773c27cd10a1d62a45f7608dd651
Formbook
b2fa4bbff4b67fef522c3b6cbc3a98b0c2f463045f19af5f96ee7a3c48ea9f93
Formbook
d0a2be2c26efa68a6f69a4173b21c251b3c1e55b4d64cdf67394f923c9c23452
Formbook
d0b4ea79bfa3aad2d6343a52811b837c45229253cda7abb26b4df2107ab52d58
Formbook
ec694537528f39e61c4a295e99932641ac2660f8580911790926294c4a190afc
Formbook
ec744aeae689c95f44a24eb398e65c3a722595de5504db84b2e41488f30a7510
Formbook
fbbed47e36ef8e3ca336e9e918d3dc558a8e6c3b0cf6c84ac4345cfb0308abc1
Formbook
+ 770 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader persistence rat
Link:
https://tria.ge/reports/210310-xrt1fal646/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.dubainights.net/rrrq/
Unpacked files
SH256 hash:
a86f792a5a3d424b756508cb462d3ca9b454f2513a5471df5d41da33649748e9
MD5 hash:
8a52a64fdf2641c786c2744fb7fc7407
SHA1 hash:
1eb462ccddab90a428eab89f890731c02892adb5
Link:
https://www.unpac.me/results/70670afb-ce84-4dde-8a8a-e32ee0d864d6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/a86f792a5a3d424b756508cb462d3ca9b454f2513a5471df5d41da33649748e9

File information

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

Web download

Formbook

Executable exe a86f792a5a3d424b756508cb462d3ca9b454f2513a5471df5d41da33649748e9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1058264/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/123502/

Comments