MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8202bc99e99754c2626904e992cf30f9ed5b1d505affc8aea915d29a1053cfd. 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 4 File information Comments

SHA256 hash: d8202bc99e99754c2626904e992cf30f9ed5b1d505affc8aea915d29a1053cfd
SHA3-384 hash: d24152902e8ffd973287d9735488e288f0e822eae4c0cc95d91fd9e30f3ed3f960cd37cabfc9780b1802743e57e50fd0
SHA1 hash: ad799fa1ef258169f10b516a5bfee3739468a7aa
MD5 hash: 0b358c6282ffb68a9a6ee2e83ea6c3ce
humanhash: ceiling-nebraska-whiskey-jig
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
File size:398'768 bytes
First seen:2022-10-23 17:48:19 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 12288:wbwv6cxdPU69cJK4OCBwn8JJyOq29YPxV:wbwvlPxcJqCBbC2kb
TLSH T10B84AE14D2089FD6D202F238E5FCFB5D46548FA6726EAB08D571B94278727CF2426C8E
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 9f197f3767531b47 (39 x Formbook, 12 x AgentTesla, 2 x RemcosRAT)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-10-23 17:52:39 UTC
Tags:
formbook trojan stealer opendir

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 process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lokibot overlay packed shell32.dll zusy
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
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
Initial sample is a PE file and has a suspicious name
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 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 signatures2 2 Behavior Graph ID: 728627 Sample: DHL Notification_pdf.exe Startdate: 23/10/2022 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 dropped file 2->51 53 7 other signatures 2->53 11 DHL Notification_pdf.exe 18 2->11         started        process3 file4 37 C:\Users\user\AppData\Local\...\crshcdyrb.exe, PE32 11->37 dropped 14 crshcdyrb.exe 2 11->14         started        process5 file6 39 C:\Users\user\AppData\Local\Temp\36B1.tmp, PE32 14->39 dropped 71 Multi AV Scanner detection for dropped file 14->71 73 Machine Learning detection for dropped file 14->73 75 Found hidden mapped module (file has been removed from disk) 14->75 77 Tries to detect virtualization through RDTSC time measurements 14->77 18 crshcdyrb.exe 14->18         started        21 WerFault.exe 20 9 14->21         started        24 conhost.exe 14->24         started        signatures7 process8 dnsIp9 55 Modifies the context of a thread in another process (thread injection) 18->55 57 Maps a DLL or memory area into another process 18->57 59 Sample uses process hollowing technique 18->59 61 Queues an APC in another process (thread injection) 18->61 26 explorer.exe 18->26 injected 41 192.168.2.1 unknown unknown 21->41 signatures10 process11 dnsIp12 43 www.smtfhcl.com 43.134.229.178, 49685, 80 LILLY-ASUS Japan 26->43 45 www.thedealsparty.com 26->45 63 System process connects to network (likely due to code injection or exploit) 26->63 30 cscript.exe 26->30         started        signatures13 process14 signatures15 65 Modifies the context of a thread in another process (thread injection) 30->65 67 Maps a DLL or memory area into another process 30->67 69 Tries to detect virtualization through RDTSC time measurements 30->69 33 cmd.exe 1 30->33         started        process16 process17 35 conhost.exe 33->35         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-22 20:05:17 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
27 of 42 (64.29%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g2e8 rat spyware stealer trojan
Behaviour
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
72f7272d0e8af849c87030cb8b6ce362ef9896400be3ef27e56970f21cd8b691
MD5 hash:
b238075b563644dcd4566f6810971c75
SHA1 hash:
aecaabc92c02f89d34de30c1e5b265518d41b2b8
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
f8960160851bdff99055923ea85989db9a7e31ba0abb817bc409dbe2cd63718f
MD5 hash:
d25089387b5b57d6aca8c563f2c452f0
SHA1 hash:
2c230b143e2d88fee1a16afc0738937b49615a19
SH256 hash:
d8202bc99e99754c2626904e992cf30f9ed5b1d505affc8aea915d29a1053cfd
MD5 hash:
0b358c6282ffb68a9a6ee2e83ea6c3ce
SHA1 hash:
ad799fa1ef258169f10b516a5bfee3739468a7aa
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
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.

Comments