MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d015b72e6a79afa9891854efd51cb2603c191956a347e81c58a36aa8add08bca. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments

SHA256 hash: d015b72e6a79afa9891854efd51cb2603c191956a347e81c58a36aa8add08bca
SHA3-384 hash: 33416db1564dae290cd2f803a1288906bb71857c01556eaef949f094fdf31bf6a82fe8c1df90ac8d35db76462cef3272
SHA1 hash: 1a3d7bff2e673e7d776d00b0989a5fc42ddef2f7
MD5 hash: e63904a6d11bc161a5e6670cd775c6d2
humanhash: floor-delaware-lion-angel
File name:Consignment No. K1420909200.exe
Download: download sample
Signature Formbook
File size:253'360 bytes
First seen:2022-08-30 08:09:06 UTC
Last seen:2022-09-05 11:41:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:x6vbw48Trxbvg7ATeBZf1Y7xHynazzvsMoKhgsaNZMc:Uc/rxbvHyZf1YTns+ZajMc
TLSH T1E34412526AF59CE5CAEFA53118DBC7222130F73CF4019F9B66A9F02D0D913A5A48DC1A
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Consignment No. K1420909200.exe
Verdict:
Malicious activity
Analysis date:
2022-08-30 08:10:25 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
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Searching for synchronization primitives
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 submitted file
Performs DNS queries to domains with low reputation
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 692842 Sample: Consignment No. K1420909200.exe Startdate: 30/08/2022 Architecture: WINDOWS Score: 100 29 www.valuesub.com 2->29 31 www.motorcitypizzandeli.com 2->31 33 5 other IPs or domains 2->33 41 Multi AV Scanner detection for domain / URL 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 6 other signatures 2->47 9 Consignment No. K1420909200.exe 1 2->9         started        signatures3 process4 file5 27 C:\...\Consignment No. K1420909200.exe.log, ASCII 9->27 dropped 61 Writes to foreign memory regions 9->61 63 Allocates memory in foreign processes 9->63 65 Injects a PE file into a foreign processes 9->65 13 cvtres.exe 9->13         started        16 cvtres.exe 9->16         started        18 cvtres.exe 9->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 13->67 69 Maps a DLL or memory area into another process 13->69 71 Sample uses process hollowing technique 13->71 73 Queues an APC in another process (thread injection) 13->73 20 explorer.exe 13->20 injected process9 dnsIp10 35 www.livetv24hd.xyz 20->35 37 eatingdisorderstest.site 64.190.62.22, 49714, 49715, 80 NBS11696US United States 20->37 39 8 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Performs DNS queries to domains with low reputation 20->51 24 wlanext.exe 13 20->24         started        signatures11 process12 signatures13 53 Tries to steal Mail credentials (via file / registry access) 24->53 55 Tries to harvest and steal browser information (history, passwords, etc) 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-30 07:22:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Enumerates system info in registry
Gathers network information
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
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
0d0dfb3197fa15799caa07f5091211061e0182e28997677361447c2819187a55
MD5 hash:
dc3cde515c07195e71f946be0dbe34b3
SHA1 hash:
aa7d0b7568c8403c0e7e124db51834c8de31669c
SH256 hash:
d015b72e6a79afa9891854efd51cb2603c191956a347e81c58a36aa8add08bca
MD5 hash:
e63904a6d11bc161a5e6670cd775c6d2
SHA1 hash:
1a3d7bff2e673e7d776d00b0989a5fc42ddef2f7
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 d015b72e6a79afa9891854efd51cb2603c191956a347e81c58a36aa8add08bca

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments