MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7b42b6b8111fc8ae12ce069df1f05c80de387872bf2d9ecaba5defbc4882db4. 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

SHA256 hash: d7b42b6b8111fc8ae12ce069df1f05c80de387872bf2d9ecaba5defbc4882db4
SHA3-384 hash: d5d83c4814dbc58ee73be3a7423e3651df0ac11eec8ab8e9f1a0955f9f909eb9a833e0076bb0c76edc90b4af391eb60e
SHA1 hash: 7afc4124201c21f86580cd4ec698b36da2b0d0c5
MD5 hash: 83b83af5181f0d255ba12c94814d2bff
humanhash: sierra-floor-alanine-zebra
File name:d7b42b6b8111fc8ae12ce069df1f05c80de387872bf2d9ecaba5defbc4882db4
Download: download sample
Signature Formbook
File size:519'168 bytes
First seen:2022-11-09 13:47:12 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 12288:hPxh7jXr0ck9XhPWlj3qAucFBOdBTGFK9Qt3xs/:x6XhPW13qAucFABers/
TLSH T140B4239065EE2123CED663713D3F0E50E33B6D11F873E66809C8A45D28A772895677CB
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00c8dcfc9cdcd000 (13 x Loki, 13 x AgentTesla, 11 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
217
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d7b42b6b8111fc8ae12ce069df1f05c80de387872bf2d9ecaba5defbc4882db4
Verdict:
Malicious activity
Analysis date:
2022-11-09 13:46:31 UTC
Tags:
n/a

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
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nanocore 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.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
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: 742031 Sample: K2MJKP3IkH.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 31 www.skankjdzsh.shop 2->31 33 skankjdzsh.shop 2->33 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 6 other signatures 2->43 9 K2MJKP3IkH.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\K2MJKP3IkH.exe.log, CSV 9->23 dropped 53 Injects a PE file into a foreign processes 9->53 13 K2MJKP3IkH.exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.escraptor.com 154.210.23.25, 49705, 49706, 49707 VPSQUANUS Seychelles 16->25 27 www.a1taxconsultant.com 162.215.226.4, 49702, 49703, 49704 PUBLIC-DOMAIN-REGISTRYUS United States 16->27 29 4 other IPs or domains 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 20 cscript.exe 13 16->20         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Deletes itself after installation 20->49 51 2 other signatures 20->51
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-25 13:23:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s5zx rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Unpacked files
SH256 hash:
d7b42b6b8111fc8ae12ce069df1f05c80de387872bf2d9ecaba5defbc4882db4
MD5 hash:
83b83af5181f0d255ba12c94814d2bff
SHA1 hash:
7afc4124201c21f86580cd4ec698b36da2b0d0c5
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.

Comments