MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 304602b81a7a20873c7e72eec0d2c97b5994890910db8f7f0e05025d468bed86. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 304602b81a7a20873c7e72eec0d2c97b5994890910db8f7f0e05025d468bed86
SHA3-384 hash: 3c4875e39655111d662fa3f5de85e3f1413bb1f438297d530c796944260483b8fb4335513d1243f32fafb5a436a362d2
SHA1 hash: 7ae1beab4756df602c5420fa6e2419188bf4a21f
MD5 hash: 4d3d5c3c5b3c85b2dd3d73b99b4c813f
humanhash: asparagus-low-lamp-west
File name:PESO 23.360,40 KGS HBL LUA22030011.exe
Download: download sample
Signature Formbook
File size:198'039 bytes
First seen:2022-05-06 05:59:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZm55mF6Kmil1Gj9XXXI4vnOlZBUn7t:HNl32iil1qhXI46BUn7t
Threatray 15'433 similar samples on MalwareBazaar
TLSH T109141229B696C4E3E8A22B304CF51732DBF5991210F442AF13615F4E7972683CE2F756
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PESO 23.360,40 KGS HBL LUA22030011.exe
Verdict:
Malicious activity
Analysis date:
2022-05-06 06:01:48 UTC
Tags:
formbook trojan 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 window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe 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 dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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 domain / URL
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
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 dnsIp2 2 Behavior Graph ID: 621367 Sample: PESO 23.360,40 KGS  HBL LUA... Startdate: 06/05/2022 Architecture: WINDOWS Score: 100 36 www.boreoandsievi.com 2->36 38 webredir.vip.gandi.net 2->38 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 6 other signatures 2->60 12 PESO 23.360,40 KGS  HBL LUA22030011.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\nxdsz.exe, PE32 12->32 dropped 34 C:\Users\user\AppData\...\iwiwm4o0eqh36kzfqfj, COM 12->34 dropped 15 nxdsz.exe 12->15         started        process6 signatures7 70 Antivirus detection for dropped file 15->70 72 Multi AV Scanner detection for dropped file 15->72 74 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->74 76 2 other signatures 15->76 18 nxdsz.exe 15->18         started        process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Sample uses process hollowing technique 18->50 52 Queues an APC in another process (thread injection) 18->52 21 explorer.exe 18->21 injected process10 dnsIp11 40 www.zjins.com 23.108.111.80, 49810, 80 LEASEWEB-USA-SFO-12US United States 21->40 42 www.kapelhoek.immo 217.21.190.139, 49811, 80 COMBELL-ASBE Belgium 21->42 44 7 other IPs or domains 21->44 62 System process connects to network (likely due to code injection or exploit) 21->62 25 control.exe 21->25         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66 68 Tries to detect virtualization through RDTSC time measurements 25->68 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.XLoader
Status:
Malicious
First seen:
2022-05-05 23:34:21 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:g5so loader persistence rat spyware stealer suricata 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
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
839b2c91babbf78e53e8bcc059b4170d742b880f5a9dd11e992536cc9e9dcad7
MD5 hash:
ea4d96ad3c7094cf1b5893afa6185e39
SHA1 hash:
a5bf532fa0d8374511ea9d3d44d417d9fd3725f1
SH256 hash:
304602b81a7a20873c7e72eec0d2c97b5994890910db8f7f0e05025d468bed86
MD5 hash:
4d3d5c3c5b3c85b2dd3d73b99b4c813f
SHA1 hash:
7ae1beab4756df602c5420fa6e2419188bf4a21f
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 304602b81a7a20873c7e72eec0d2c97b5994890910db8f7f0e05025d468bed86

(this sample)

Comments