MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bddb79b43d9173dba1eaa807096a8d2f09fbcec0f9adb9c7f5f5fbb97cc82b48. 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
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SHA256 hash: bddb79b43d9173dba1eaa807096a8d2f09fbcec0f9adb9c7f5f5fbb97cc82b48
SHA3-384 hash: 7c6a335945a144ee1d53f667296fe3ce03705b3f823dbee744efde7323022c934a8e5a59b4aa43ddfebe14ba6e61b0b9
SHA1 hash: a150fb7d510f2802a72c7bf94c200f9d4dc2e3b9
MD5 hash: 05448a55f9ad1b0ca58b32bb01c371b7
humanhash: pip-charlie-summer-muppet
File name:Yofmdizwhylbef.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:912'384 bytes
First seen:2023-06-19 14:10:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 10208bb07d454e47048be37ee7fc6e0d (2 x Formbook, 1 x RemcosRAT)
ssdeep 24576:DqdXPn4tl29UFPWmKoyk4TLmgvky46i95nwkac:DqdfXUFPjKoNw714x
Threatray 1'192 similar samples on MalwareBazaar
TLSH T1D3157EA6B2F29833C26635348D0757982829FF601D28794EFAEC390DDF3E2947909757
TrID 86.8% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.3% (.SCR) Windows screen saver (13097/50/3)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 74f0d0d6d6c2d4dc (4 x Formbook, 2 x RemcosRAT, 1 x DBatLoader)
Reporter malwarelabnet
Tags:exe FormBook ModiLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Yofmdizwhylbef.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 14:11:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e13c4cfe-933c-4783-8937-7a129997ceb6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/400578/
Detection(s):
SecuriteInfo.com.HEUR.11178.9761.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Searching for the window
Searching for synchronization primitives
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/91625/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware keylogger lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6490635f01ac9a54ef8bf0ce/reports/3b85fd58-8195-49f0-ab4b-11620c2464c4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bddb79b43d9173dba1eaa807096a8d2f09fbcec0f9adb9c7f5f5fbb97cc82b48
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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/65697818-6874-4532-9358-542120ff0cfa
Result
Threat name:
DBatLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257559
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890579 Sample: Yofmdizwhylbef.exe Startdate: 19/06/2023 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic 2->61 63 Multi AV Scanner detection for domain / URL 2->63 65 Found malware configuration 2->65 67 7 other signatures 2->67 9 Yofmdizwhylbef.exe 1 3 2->9         started        process3 dnsIp4 55 web.fe.1drv.com 9->55 57 ph-files.fe.1drv.com 9->57 59 2 other IPs or domains 9->59 33 C:\Users\Public\Libraries\Yofmdizw.bat, PE32 9->33 dropped 35 C:\Users\...\Yofmdizw.bat:Zone.Identifier, ASCII 9->35 dropped 91 Writes to foreign memory regions 9->91 93 Allocates memory in foreign processes 9->93 95 Creates a thread in another existing process (thread injection) 9->95 97 Injects a PE file into a foreign processes 9->97 14 colorcpl.exe 2 9->14         started        file5 signatures6 process7 signatures8 99 Modifies the context of a thread in another process (thread injection) 14->99 101 Maps a DLL or memory area into another process 14->101 103 Sample uses process hollowing technique 14->103 105 Queues an APC in another process (thread injection) 14->105 17 explorer.exe 8 4 14->17 injected process9 dnsIp10 37 24worldmarket.com 92.204.213.186, 49718, 49719, 49720 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 17->37 39 www.xn--d1acnfnmta.xn--p1ai 194.85.61.76, 49734, 49735, 49736 RU-CENTERRU Russian Federation 17->39 41 11 other IPs or domains 17->41 69 System process connects to network (likely due to code injection or exploit) 17->69 21 Yofmdizw.bat 17->21         started        25 Yofmdizw.bat 17->25         started        27 cmstp.exe 13 17->27         started        signatures11 process12 dnsIp13 43 web.fe.1drv.com 21->43 45 ph-files.fe.1drv.com 21->45 51 2 other IPs or domains 21->51 71 Multi AV Scanner detection for dropped file 21->71 73 Machine Learning detection for dropped file 21->73 75 Writes to foreign memory regions 21->75 29 SndVol.exe 21->29         started        47 web.fe.1drv.com 25->47 49 ph-files.fe.1drv.com 25->49 53 2 other IPs or domains 25->53 77 Allocates memory in foreign processes 25->77 79 Creates a thread in another existing process (thread injection) 25->79 81 Injects a PE file into a foreign processes 25->81 31 logagent.exe 25->31         started        83 Tries to steal Mail credentials (via file / registry access) 27->83 85 Tries to harvest and steal browser information (history, passwords, etc) 27->85 87 Modifies the context of a thread in another process (thread injection) 27->87 89 Maps a DLL or memory area into another process 27->89 signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bddb79b43d9173dba1eaa807096a8d2f09fbcec0f9adb9c7f5f5fbb97cc82b48/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-12 09:36:12 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xxnxtnb5sfz5xipkvadqs2unf4e7xtwa7gw3tr7v6x53s7gifnea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02033ee5f18dc5c14cca3e808111693ff1b41d8d705268ae55e86251fe6bcc8b
Formbook
36b01f2918bc713fb4a312e98ff091a0f36d227b4c3e51a77ccce6b554d45287
Formbook
6362e9238ae682805b33d2503122e845994d69e1eb51f981cde99b04572cc85c
Formbook
7a91a1cbaa20e78c0e6814b51ed7d239074c95dd348159817e16606a6a04f344
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b66f2c624df063159e9134b0369556142a3ad98b14fed1a6d9217ecd55fb3b6f
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eb66ae0428282ee90ca78a2f0d37e322cc682bd9dccb9c7e50bf53da117fd0a4
Formbook
fca144f13d2819b16b527620ba2e1d844a41b3b91057b869751ff004ac6d9d3c
Formbook
+ 1'182 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader persistence spyware stealer trojan
Link:
https://tria.ge/reports/230619-rg9gdsfe6w/
Behaviour
Modifies Internet Explorer settings
Script User-Agent
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
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
5a5618a5b76ddc3d5373ed76f7b17252953f0a33e18b588601a1055fb3bef507
MD5 hash:
b6a3e304ffc9757f09ea661377d22213
SHA1 hash:
70df863c029e232882bf907d919d5320ed62f781
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/558ef4ba-d06d-4fe4-bec2-e1e6cfc428fb/
SH256 hash:
bddb79b43d9173dba1eaa807096a8d2f09fbcec0f9adb9c7f5f5fbb97cc82b48
MD5 hash:
05448a55f9ad1b0ca58b32bb01c371b7
SHA1 hash:
a150fb7d510f2802a72c7bf94c200f9d4dc2e3b9
Link:
https://www.unpac.me/results/558ef4ba-d06d-4fe4-bec2-e1e6cfc428fb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bddb79b43d91/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DBatLoader
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bddb79b43d9173dba1eaa807096a8d2f09fbcec0f9adb9c7f5f5fbb97cc82b48

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/400578/

Comments