MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33b5dd91de8cc8374fd126d232fa1e466aab16ed580a655ff972c34a226d71ae. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
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SHA256 hash: 33b5dd91de8cc8374fd126d232fa1e466aab16ed580a655ff972c34a226d71ae
SHA3-384 hash: 425be2c21b1656c401f27a99a34e5a72ef59cbc8f805fd83246b418dba62bfb6b1b2c1979e27d29c78fbc3507937f25e
SHA1 hash: 8a9da2c31da5dd37427497ccff63370b4bca580f
MD5 hash: d55da7b53f6783640242d92a3f791a3e
humanhash: island-wyoming-gee-montana
File name:DHLExpressShippingConfirmation Documentis--787490DER.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:1'809'408 bytes
First seen:2023-06-01 14:54:40 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 24576:hJNUbsGNNYY4EiBJyHN/nvYCw3LY7CEBbJ0P1WseRHIEBuyVtjvAjQ77ewJtf:8JaKzWP1sHxE
Threatray 3'383 similar samples on MalwareBazaar
TLSH T1D385E033760EFFFEE7AA1D74B5B219241CC05EA7475C60A4BCC8DDAE12B15089A469F0
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
250
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
DHLExpressShippingConfirmation Documentis--787490DER.exe
Verdict:
Malicious activity
Analysis date:
2023-06-01 14:56:02 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/181f7984-0b00-4a41-961c-606ecb306603

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/394434/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.28189.18098.6421.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Searching for the window
Reading critical registry keys
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6478b148b996c26c465e8931/reports/6f1716bc-f3da-4b49-ad2b-96ab8a59215a/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/33b5dd91de8cc8374fd126d232fa1e466aab16ed580a655ff972c34a226d71ae
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2a5a4aeb-4963-4d02-9047-e9058064d419
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1247002
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 880031 Sample: DHLExpressShippingConfirmat... Startdate: 01/06/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 7 other signatures 2->53 7 DHLExpressShippingConfirmation_Documentis--787490DER.exe 4 8 2->7         started        11 Imzvu.exe 4 2->11         started        13 Imzvu.exe 2->13         started        process3 file4 39 C:\Users\user\AppData\Roaming\...\Imzvu.exe, PE32 7->39 dropped 41 C:\Users\user\...\Imzvu.exe:Zone.Identifier, ASCII 7->41 dropped 43 DHLExpressShipping...--787490DER.exe.log, ASCII 7->43 dropped 57 Encrypted powershell cmdline option found 7->57 59 Tries to detect virtualization through RDTSC time measurements 7->59 61 Injects a PE file into a foreign processes 7->61 15 AcroRd32.exe 39 7->15         started        17 powershell.exe 15 7->17         started        19 DHLExpressShippingConfirmation_Documentis--787490DER.exe 7->19         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 21 Imzvu.exe 11->21         started        24 powershell.exe 11->24         started        26 powershell.exe 13->26         started        signatures5 process6 signatures7 28 RdrCEF.exe 73 15->28         started        31 conhost.exe 17->31         started        55 Maps a DLL or memory area into another process 21->55 33 explorer.exe 21->33 injected 35 conhost.exe 24->35         started        37 conhost.exe 26->37         started        process8 dnsIp9 45 192.168.2.1 unknown unknown 28->45
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/33b5dd91de8cc8374fd126d232fa1e466aab16ed580a655ff972c34a226d71ae/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-01 13:43:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=go253eo6rtedot6re3jdf6q6izvkwfxnlafgkx7zolbuuitnogxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
229acb9011d2cf600c9112b5f7d19cba56d9bf5ecc20880a6c760e10f685b244
FormBook
6a57e513b61e8a308a00109c55555b710dcaa64629a25982ddcf3c4433fed248
FormBook
8bc4f4ce5d6c39ec058db68d3f76ea4c1b6d1cd973534dc2e4f624d17d52f904
FormBook
90f8a6e23c16788ef3a7adee0b9b9a03cede0905367d71a8be46d3dc24b7b759
FormBook
9109abb56656edc911dedea5b9453aab1b47f79567ee48cc825358751f91abea
FormBook
93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e
FormBook
a2ef1bc9c883689ffa4c58c3f51b08aae0b09241be1ed6aeb854ef6f56d097dc
FormBook
bf03cd8e5554ec62c98931069f436ec71ac21d57a8922b1bb3c1958a0a9256f3
FormBook
+ 3'373 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cg64 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/230601-saffeafb51/
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Formbook payload
Formbook
Unpacked files
SH256 hash:
60353b1a2043a72dbfd72a60c370e6b51e7f9159c96a13b29689ea5ca87991ea
MD5 hash:
37f7cf6f641204b531818a676d7e7628
SHA1 hash:
c67c19cfa32adca177d3c80218fad47c3ee73115
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3d413410-5a6b-4373-b525-d6996a52a1ac/
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
Link:
https://www.unpac.me/results/3d413410-5a6b-4373-b525-d6996a52a1ac/
SH256 hash:
59e66d381d3937182a4de526b2ef1fc28fb9bf633d026e57150ae90bf2948b46
MD5 hash:
c99efae8af6830e87e2130828acbba49
SHA1 hash:
a5a0e7354518dba2bd953c8b25e2056a16cb8e32
Link:
https://www.unpac.me/results/3d413410-5a6b-4373-b525-d6996a52a1ac/
SH256 hash:
33b5dd91de8cc8374fd126d232fa1e466aab16ed580a655ff972c34a226d71ae
MD5 hash:
d55da7b53f6783640242d92a3f791a3e
SHA1 hash:
8a9da2c31da5dd37427497ccff63370b4bca580f
Link:
https://www.unpac.me/results/3d413410-5a6b-4373-b525-d6996a52a1ac/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/33b5dd91de8c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/33b5dd91de8cc8374fd126d232fa1e466aab16ed580a655ff972c34a226d71ae

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:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

FormBook

Executable exe 33b5dd91de8cc8374fd126d232fa1e466aab16ed580a655ff972c34a226d71ae

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/394434/

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