MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c3d5704da83029f78ee8cf532c746cd04834f5375a698f21c50040ade6c5a09. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1

SHA256 hash: 9c3d5704da83029f78ee8cf532c746cd04834f5375a698f21c50040ade6c5a09
SHA3-384 hash: 26ecdd70859382fa48e8ea1e744bd708fc2bc514e90c85355d42ef1781e4a539b2fd23b26d1dc10aeda8317352803b3f
SHA1 hash: 88611ceeb815ac8f33599a2b6ab8ac6259621260
MD5 hash: 5bc95f5d8d3bf878098d8527bc679545
humanhash: early-monkey-carpet-oklahoma
File name:5bc95f5d8d3bf878098d8527bc679545
Download: download sample
Signature Formbook
File size:696'832 bytes
First seen:2023-05-02 12:18:08 UTC
Last seen:2023-05-13 22:44:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LBdsgj8Qph9X8ADOlBRUP+FKfY+EMlwpk5n5Hnll:HBj8G38Jr6cx+yWLnj
Threatray 3'328 similar samples on MalwareBazaar
TLSH T169E4E0132028C99AFD2DC774D478FBF421B8BCB3E4E5952327767D49F9B6B01190825A
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c0f43ebeb45012b2 (7 x AgentTesla, 4 x Loki, 2 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
295
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
fc01e8909cd645434c82378c485c6aa7
Verdict:
Malicious activity
Analysis date:
2023-05-02 11:21:39 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook xloader

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 custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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 potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 857615 Sample: 5GHK8zvPx2.exe Startdate: 02/05/2023 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 6 other signatures 2->44 10 5GHK8zvPx2.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\5GHK8zvPx2.exe.log, CSV 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 5GHK8zvPx2.exe 10->14         started        17 5GHK8zvPx2.exe 10->17         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 19 explorer.exe 1 1 14->19 injected process8 dnsIp9 32 3e87095b9.n.fnvip100.com 137.220.225.146, 49698, 80 BCPL-SGBGPNETGlobalASNSG Singapore 19->32 34 www.decantmiss.com 3.64.163.50, 49699, 80 AMAZON-02US United States 19->34 36 3 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 svchost.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-05-02 11:45:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ks01 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
3711389b73169dd121d9008445ed10630cd7b21a2da219a744d4a032af77a3ae
MD5 hash:
75af8abfbcfb8fc37a37032771bb181f
SHA1 hash:
ca4550a2b0d507f4cd2009076d0a10488242bcb3
SH256 hash:
21a601df18de32adc5d63f77df195bb51c122c031793c949ae4e1a7bf93cf766
MD5 hash:
a76e489d71fc69b71361e6652c93c25e
SHA1 hash:
9b3b5198606a25d31e9f052b09a6b6b171f28706
SH256 hash:
c8808b69b0f4d52c253e35b001da94086786b34162fd51daa3f17eda94bac7f0
MD5 hash:
da56041df789c24cb2a36a364431f766
SHA1 hash:
876e6c579d1092a76ce90c500c43af0cf11724a4
SH256 hash:
8362a107d309eb065d84b5780573c9fd37827ff8f975eaa758b6cec1091172fc
MD5 hash:
c23099f8f63823b69870bfbf7749ecef
SHA1 hash:
2651b69408237d6854e68fc610ea8bb12acae4fd
SH256 hash:
9c3d5704da83029f78ee8cf532c746cd04834f5375a698f21c50040ade6c5a09
MD5 hash:
5bc95f5d8d3bf878098d8527bc679545
SHA1 hash:
88611ceeb815ac8f33599a2b6ab8ac6259621260
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 9c3d5704da83029f78ee8cf532c746cd04834f5375a698f21c50040ade6c5a09

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-05-02 12:18:10 UTC

url : hxxp://185.225.74.77/000000_____/vbc.exe