MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b3fffd1de700b6d54df6bd954e66c523292484ce0686fb0ae5750b57734a0dd. 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 4 File information Comments

SHA256 hash: 0b3fffd1de700b6d54df6bd954e66c523292484ce0686fb0ae5750b57734a0dd
SHA3-384 hash: 1e267b6a66bfe7b536ca8f404a37e46f41e0823a0b936edc72e2921617b4e31ca8169336e99d098ac533d5c39c6a3763
SHA1 hash: 6d15de8936b8ec906986528ddf0591073b0f4dab
MD5 hash: f4f6a0f06ad4b8365f2cca9ba179c7e7
humanhash: spring-quebec-whiskey-carpet
File name:f4f6a0f06ad4b8365f2cca9ba179c7e7.exe
Download: download sample
Signature Formbook
File size:270'880 bytes
First seen:2022-07-28 06:51:50 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 6144:LLwpMSKrx821/M8YwW8tEdrW+bLj2SRXkDEMwoD1RWBe:ApXKi21/M8F8vj2SOUoD1RWBe
TLSH T14F44DF88779078DFCC1BDD729A984C24AB70B46B6717C207E097169D9A0E39BCE091F7
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed virus
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.spyw
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected potential unwanted application
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.BluStealer
Status:
Malicious
First seen:
2022-07-28 06:52:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:zgtb loader persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Xloader payload
Formbook
Xloader
Unpacked files
SH256 hash:
f17a1e7355986b054f23774e4c1ae1f24aba26e9db670a3c6a993325f0100936
MD5 hash:
1fc9e97e1a1a3459085bc105b5bae141
SHA1 hash:
09013557a40b3239442da7d465c192a97e41c79a
SH256 hash:
0b3fffd1de700b6d54df6bd954e66c523292484ce0686fb0ae5750b57734a0dd
MD5 hash:
f4f6a0f06ad4b8365f2cca9ba179c7e7
SHA1 hash:
6d15de8936b8ec906986528ddf0591073b0f4dab
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:meth_get_eip
Author:Willi Ballenthin
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 0b3fffd1de700b6d54df6bd954e66c523292484ce0686fb0ae5750b57734a0dd

(this sample)

  
Delivery method
Distributed via web download

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