MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fb2ea468d879582791fb74c6ef0898e45f62b2e22c6b6b1311def934957cde2. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3fb2ea468d879582791fb74c6ef0898e45f62b2e22c6b6b1311def934957cde2
SHA3-384 hash: 50a44de1f8ccbe9940ac0170192f2c235510532b21e501d6db44b6c3851e510bb383f97a4050a00db35a972580ad7cd3
SHA1 hash: 5822461d43129b2501ef1e963bd3b4bcc182e40d
MD5 hash: e9e8c070b34b395489a18bd9cc5cfe97
humanhash: eighteen-alpha-golf-idaho
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:312'671 bytes
First seen:2023-03-31 22:52:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:/Ya6KLv4nsx++b52HokQCkaDsR3XBoQV5KIWanleg/K7rfbiiGi:/Y0LvrJAHI7QYkmnlzS7rAi
Threatray 2'637 similar samples on MalwareBazaar
TLSH T11F6423147AB1C17BCC979D301D7C7246AEEA62291564071F1B705FAE7532382EB0FB52
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.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 Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-03-31 22:54:38 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/c65a9826-a16b-4a1f-b1e3-de435a4ac861

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/379109/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66119828.25365.26472.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Launching the process to change network settings
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching a process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75920/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/6427644ed1b7f0d264f9715a/reports/ae3fccc2-7bc4-4bac-9066-3a01ea88ddd2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3fb2ea468d879582791fb74c6ef0898e45f62b2e22c6b6b1311def934957cde2
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7b6a0366-6aa5-4eba-9010-42cbebf456fa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1206163
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 839079 Sample: DHL_Notification_pdf.exe Startdate: 01/04/2023 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 5 other signatures 2->48 9 DHL_Notification_pdf.exe 19 2->9         started        process3 file4 32 C:\Users\user\AppData\Local\...\wrlzkzy.exe, PE32 9->32 dropped 12 wrlzkzy.exe 1 9->12         started        process5 signatures6 62 Multi AV Scanner detection for dropped file 12->62 64 Detected unpacking (changes PE section rights) 12->64 66 Maps a DLL or memory area into another process 12->66 15 wrlzkzy.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 20 explorer.exe 5 6 15->20 injected 24 MpCmdRun.exe 1 18->24         started        process9 dnsIp10 34 bohndigitaltech.com 162.241.24.110, 49710, 49711, 49712 UNIFIEDLAYER-AS-1US United States 20->34 36 kunimi.org 219.94.129.181, 49704, 49705, 49706 SAKURA-CSAKURAInternetIncJP Japan 20->36 38 9 other IPs or domains 20->38 50 System process connects to network (likely due to code injection or exploit) 20->50 52 Performs DNS queries to domains with low reputation 20->52 26 wscript.exe 13 20->26         started        30 conhost.exe 24->30         started        signatures11 process12 dnsIp13 40 www.yongleproducts.com 26->40 54 System process connects to network (likely due to code injection or exploit) 26->54 56 Tries to steal Mail credentials (via file / registry access) 26->56 58 Tries to harvest and steal browser information (history, passwords, etc) 26->58 60 2 other signatures 26->60 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3fb2ea468d879582791fb74c6ef0898e45f62b2e22c6b6b1311def934957cde2/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-26 23:52:15 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6zourunq6kye6i7w5gg54ejrzc7mkzoeldlnmjrdxxzgskxzxra._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1682bd22bd27dd3a278554973648ee1bc62d456a029aefb95ec7dcecdb23e235
Formbook
652948efee89fdc5c6d3dc7f65a16aafabd0d224c9fcd55e5f86573f1b2c4aa1
Formbook
b819e0dd1a5dc229d16fa74251262ce7fdd7581a71f66c9dec61149a7c4c7a76
Formbook
bcfc27ac62a86bb98e019ba5eb2c6032fd5a56f6aacee84974b07217c2c1fe7f
Formbook
cc83e0a51f3dcd04a4c9b1a2ba3049227459cac541da52b518ee5ebcfbed4796
Formbook
e904274bd2e5d919c63c6db8c82f908abc10d65fdba772596e2953ab708b1726
Formbook
+ 2'627 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230331-2tx91afe2t/
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
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
f8816454df8c7a338c47115575d1f3e1a952c8b6db0f57e46fa4381be9b16911
MD5 hash:
9256107151a9881eeb2524a18f3beae2
SHA1 hash:
342ea33bc8429ff1a710f9d4b1ada72fd1bde261
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0bee8e75-7834-4cee-a7d3-698240587d1d/
Parent samples :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 hash:
e04ae3656e18bbe8a8b43197f9cd86f672d7bb265446fe1fea60ac4424b9ac1e
MD5 hash:
ec97b39b3847b7636b6ff582f06c4b35
SHA1 hash:
3ec99e698e9659f9c398bfb7cf064e4af16efadb
Link:
https://www.unpac.me/results/0bee8e75-7834-4cee-a7d3-698240587d1d/
SH256 hash:
16c3749c576220726436bab7a636c6ebe3e40fb7d5856d7570d421fafc4703bd
MD5 hash:
6b34e3f7bf37f2269e6f86cae8e24ea1
SHA1 hash:
79b4bcd8bc97c506b3161985e1ba1e94344722af
Link:
https://www.unpac.me/results/0bee8e75-7834-4cee-a7d3-698240587d1d/
SH256 hash:
3fb2ea468d879582791fb74c6ef0898e45f62b2e22c6b6b1311def934957cde2
MD5 hash:
e9e8c070b34b395489a18bd9cc5cfe97
SHA1 hash:
5822461d43129b2501ef1e963bd3b4bcc182e40d
Link:
https://www.unpac.me/results/0bee8e75-7834-4cee-a7d3-698240587d1d/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3fb2ea468d87/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3fb2ea468d879582791fb74c6ef0898e45f62b2e22c6b6b1311def934957cde2

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe 3fb2ea468d879582791fb74c6ef0898e45f62b2e22c6b6b1311def934957cde2

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/379109/

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