MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 406d598252fddcb959a27c828c8d258ae662e2a07cfcae1a107608e65c680c6b. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash: 406d598252fddcb959a27c828c8d258ae662e2a07cfcae1a107608e65c680c6b
SHA3-384 hash: 956aeb05131fd12019f12972a296405dc7672a9713290c1af6945688ce3447ef18e7f237a25c78a64615cae6a2f808fd
SHA1 hash: b338bb4c75cc2f60e1f4b9c7df82faf54476a846
MD5 hash: aa74a66fb42193a4296daa1bce1a8a52
humanhash: eighteen-papa-west-tennessee
File name:aa74a66fb42193a4296daa1bce1a8a52
Download: download sample
Signature Formbook
File size:650'240 bytes
First seen:2022-11-07 09:17:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:6uOaytVTF30MOhvilVQZ25MNa5JZsqU0EvhMK:6oyzV0zBrUMNPqUFB
TLSH T165D4BFF4085032F5DB7EDF3395992B644BA31D516282FA0F1890B1F51A337E38A25DAB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.OLE.CVE-2017-11882-B.5358.7565
Verdict:
Malicious activity
Analysis date:
2022-11-07 07:11:38 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 739763 Sample: rSRDMn7O21.exe Startdate: 07/11/2022 Architecture: WINDOWS Score: 100 29 www.tucoachdevida.com 2->29 31 tucoachdevida.com 2->31 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 7 other signatures 2->45 9 rSRDMn7O21.exe 3 2->9         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\rSRDMn7O21.exe.log, ASCII 9->27 dropped 57 Injects a PE file into a foreign processes 9->57 13 rSRDMn7O21.exe 9->13         started        16 rSRDMn7O21.exe 9->16         started        18 rSRDMn7O21.exe 9->18         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 20 explorer.exe 13->20 injected process9 dnsIp10 33 xn--29-oj9ik7b890b.net 50.87.192.144, 49696, 80 UNIFIEDLAYER-AS-1US United States 20->33 35 www.dafdental.com 209.99.40.222, 49697, 49698, 80 CONFLUENCE-NETWORK-INCVG United States 20->35 37 2 other IPs or domains 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 24 msdt.exe 13 20->24         started        signatures11 process12 signatures13 49 Tries to steal Mail credentials (via file / registry access) 24->49 51 Tries to harvest and steal browser information (history, passwords, etc) 24->51 53 Deletes itself after installation 24->53 55 2 other signatures 24->55
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-11-07 04:33:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cfvc rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c2ad820dbdac7366053658108f6bc2f7c5e50f7116eada4da668e7aca5c5cc3d
MD5 hash:
4f11e28ebec79ccb4939086fa1bba6da
SHA1 hash:
b2e737b5185ed3b531064ecb5f61d8fb76aeb701
SH256 hash:
6b0b327a1e9a1e327568591cd87685cf19ed66f47963f7cb2556bace662ac769
MD5 hash:
e4d92fbb7c461c7cc7c66db17618edf5
SHA1 hash:
a6acc88dd96285bbcd1a901a6fcf6a8575c9ad1c
SH256 hash:
bc444c4ec803b91da7af06cb0eb233fe69f565067f89544bf750fc17a9ede6dd
MD5 hash:
b52058082749f08bbcb7036b0d4189e8
SHA1 hash:
90365baf6b18ff3139da00cd5caf30660643110e
SH256 hash:
92bd802a0f7eb1213758a6c1a4c07302e0320c3a2aeb6273b0303dd3bbdefe90
MD5 hash:
046e97119545e5abde2f40b5dc3a0344
SHA1 hash:
3e69b67ddff2554c8cd72e129d4da9c8acd9d331
SH256 hash:
ed0c63b3b5be93721390e2d154f3d641a9d0a6a229c38f591b11a86217315552
MD5 hash:
6177145de00ef3d29cfe9062733070b5
SHA1 hash:
20367ba17da0f37e2abb000da09dd91e85fdedb6
SH256 hash:
406d598252fddcb959a27c828c8d258ae662e2a07cfcae1a107608e65c680c6b
MD5 hash:
aa74a66fb42193a4296daa1bce1a8a52
SHA1 hash:
b338bb4c75cc2f60e1f4b9c7df82faf54476a846
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 406d598252fddcb959a27c828c8d258ae662e2a07cfcae1a107608e65c680c6b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-07 09:17:52 UTC

url : hxxp://103.14.154.18/spaceDrive/networksec.exe