MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 785de248152c84526e34f5fd8823e3bd259da3375b5ae37936f8472c2ef2d26f. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: 785de248152c84526e34f5fd8823e3bd259da3375b5ae37936f8472c2ef2d26f
SHA3-384 hash: 93e932b19c152837c47760e5bbada96c002951392e86b51581fb3a831b41316b89db2c60a790488dab34c70aab368c80
SHA1 hash: 034ca9dde9fdfc46505ba93c27fa9646eb9e746c
MD5 hash: 44f04616e828887b31498c4309efdd5c
humanhash: hydrogen-oregon-quiet-shade
File name:785de248152c84526e34f5fd8823e3bd259da3375b5ae37936f8472c2ef2d26f
Download: download sample
Signature Formbook
File size:301'466 bytes
First seen:2023-01-10 13:39:25 UTC
Last seen:2023-01-10 15:36:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6fHR34D3ef0PVJEZIo/40Ip5EtabsD+oP2KT/tboTyKH:/YFx323efAJEZIo/lIp5Eyi+ohaH
Threatray 18'926 similar samples on MalwareBazaar
TLSH T1B554125A41C0D8A7EBE207311E3760A5AADDD93708B42F5F1F606F2C7562602BA6F721
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
184
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
785de248152c84526e34f5fd8823e3bd259da3375b5ae37936f8472c2ef2d26f
Verdict:
Malicious activity
Analysis date:
2023-01-10 13:36:18 UTC
Tags:
trojan formbook stealer

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
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 dropped file
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 781517 Sample: xkfNsLQDaR.exe Startdate: 10/01/2023 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 2 other signatures 2->47 8 xkfNsLQDaR.exe 19 2->8         started        process3 file4 23 C:\Users\user\AppData\Local\Temp\siykkf.exe, PE32 8->23 dropped 11 siykkf.exe 8->11         started        process5 signatures6 49 Multi AV Scanner detection for dropped file 11->49 51 Maps a DLL or memory area into another process 11->51 53 Contains functionality to detect sleep reduction / modifications 11->53 14 siykkf.exe 11->14         started        process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 17 cmmon32.exe 13 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 31 Tries to steal Mail credentials (via file / registry access) 17->31 33 Tries to harvest and steal browser information (history, passwords, etc) 17->33 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 25 www.mghmarketing.co.uk 63.141.242.46, 49720, 49721, 49722 NOCIXUS United States 20->25 27 www.dritbook.site 69.57.163.159, 49723, 49724, 49725 FORTRESSITXUS United States 20->27 29 3 other IPs or domains 20->29 39 System process connects to network (likely due to code injection or exploit) 20->39 signatures11
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-12-26 04:52:26 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
08f3b70a01152f472c7f21923f184353d9e8dab184936e70e6efc57a683095c8
MD5 hash:
7b4b0b10a3ddf254f6b8ae29184e06e7
SHA1 hash:
f38ae9397c8d82c88784a5e40279daf679a5187c
SH256 hash:
cc8ff6fe5bb4c60188cb3ee0aa7e92bb6378fc0d6227a4c2fe86ce36e4f91754
MD5 hash:
9507e093b74507736287803a183b0245
SHA1 hash:
aa92cf70f4b41a01195193bbb2196cb54f29956f
SH256 hash:
785de248152c84526e34f5fd8823e3bd259da3375b5ae37936f8472c2ef2d26f
MD5 hash:
44f04616e828887b31498c4309efdd5c
SHA1 hash:
034ca9dde9fdfc46505ba93c27fa9646eb9e746c
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.

Comments