MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4db9930e1b3bd3619dff0a9362076cb9e008763f451a53eb72e616d7d032af08. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments 1

SHA256 hash: 4db9930e1b3bd3619dff0a9362076cb9e008763f451a53eb72e616d7d032af08
SHA3-384 hash: 9bf2f2a62282cf0d5f144c5668fc9b0f07e572593720975338ec1586ef253c09171246550a125423b172d14091a57482
SHA1 hash: db619959d6098322f4a668a4fdede8438627c8bb
MD5 hash: 94c0a1af6f9c1f1eeaa17874f1714551
humanhash: xray-football-fish-bacon
File name:94c0a1af6f9c1f1eeaa17874f1714551
Download: download sample
Signature Formbook
File size:563'456 bytes
First seen:2022-10-29 06:08:47 UTC
Last seen:2022-10-29 07:14:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 12288:vOurfc/jkvTXVGxxRgxZ/UzX+y77ZtLp9:v9I/gTXVYDGZaX17z
TLSH T1C1C402257E96DD96D2011D312AF2F3A9C6788E521D264703EFA5BEDFBE722CC3950048
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 028cc4d0b8bcb61b (2 x Formbook, 1 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
1'279
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Purchase Order09834.doc
Verdict:
Malicious activity
Analysis date:
2022-10-28 18:14:08 UTC
Tags:
trojan exploit cve-2017-11882 loader formbook stealer

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

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 733449 Sample: Km0RUgIznU.exe Startdate: 29/10/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 5 other signatures 2->53 11 Km0RUgIznU.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\nocxu.exe, PE32 11->31 dropped 14 nocxu.exe 11->14         started        process5 signatures6 63 Machine Learning detection for dropped file 14->63 65 Maps a DLL or memory area into another process 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 nocxu.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.mainlydivision.space 20->33 35 www.bioprofumeria.shop 20->35 37 ghs.google.com 142.250.181.243, 49695, 80 GOOGLEUS United States 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 cmstp.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.BazarLoader
Status:
Malicious
First seen:
2022-10-29 06:09:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:wh23 rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
737baf60b2c3394b4ffa317dc81a29417e786eb7d32aab8e6a4e0cc7bfee9020
MD5 hash:
cfba0bf7d5c7525fa0abb3fd9d31dd7b
SHA1 hash:
d60b89ec4b696e84f71ad3413d1b823ec04601e8
SH256 hash:
4db9930e1b3bd3619dff0a9362076cb9e008763f451a53eb72e616d7d032af08
MD5 hash:
94c0a1af6f9c1f1eeaa17874f1714551
SHA1 hash:
db619959d6098322f4a668a4fdede8438627c8bb
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:meth_get_eip
Author:Willi Ballenthin

File information


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

Web download

Formbook

Executable exe 4db9930e1b3bd3619dff0a9362076cb9e008763f451a53eb72e616d7d032af08

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-10-29 06:08:51 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/madroc2.1.exe