MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6151fa41e2b098903102cd0a26119b4b606176b9ee9d62d5f4f155aef2b23a6. 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 3 File information Comments
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SHA256 hash: d6151fa41e2b098903102cd0a26119b4b606176b9ee9d62d5f4f155aef2b23a6
SHA3-384 hash: b5583cf78f019c7795d9a7669fc62b8add895513be9787b97ba2daa5ad68e8623e97e45a5009bb9966d58db0b8b2f6d9
SHA1 hash: ff649c648d34ff07aebed04f5ee91c00e8fc4036
MD5 hash: 325e4d1ef505010b634a76fb29008fff
humanhash: sodium-maine-equal-california
File name:d6151fa41e2b098903102cd0a26119b4b606176b9ee9d62d5f4f155aef2b23a6
Download: download sample
Signature Formbook
Create hunting rule
File size:1'201'945 bytes
First seen:2023-01-05 14:11:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:MAOcZXXFIrbjnKEG1BdjI9eUY+B4muRE8oZime8aMjrnKUENVV:ajvKE4Bdj8jY+B47FEaIbEf
TLSH T1E845128176D8C972E2722D316D34BB156A3D38701F22DA5FA79E08BCDA743A05524BF3
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4b251d6d296d0f0 (2 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
178
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
d6151fa41e2b098903102cd0a26119b4b606176b9ee9d62d5f4f155aef2b23a6
Verdict:
Malicious activity
Analysis date:
2023-01-05 14:11:31 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/377ef107-a60e-457a-8234-b689bc42bea0

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/349696/
Detection(s):
Win.Dropper.Nanocore-9980554-0
Create hunting rule

Win.Malware.Nanocore-9980928-0
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SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Launching a process
Creating a process from a recently created file
Creating a file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/63b6dab3a70bef46551d30b0/reports/1876777d-0bad-4789-8bbb-41ecd238608b/overview
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/1593a18e-f70c-418d-8e6a-a87428dc6520
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1145684
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Injects a PE file into a foreign processes
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 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
Starts an encoded Visual Basic Script (VBE)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 778416 Sample: lo8NTR1fXK.exe Startdate: 05/01/2023 Architecture: WINDOWS Score: 100 73 Snort IDS alert for network traffic 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for URL or domain 2->77 79 4 other signatures 2->79 11 lo8NTR1fXK.exe 91 2->11         started        process3 file4 57 C:\Users\user\AppData\Local\...\wnbsj.exe, PE32 11->57 dropped 103 Starts an encoded Visual Basic Script (VBE) 11->103 15 wscript.exe 1 11->15         started        signatures5 process6 process7 17 wnbsj.exe 1 2 15->17         started        signatures8 65 Antivirus detection for dropped file 17->65 67 Multi AV Scanner detection for dropped file 17->67 69 Contains functionality to inject code into remote processes 17->69 71 4 other signatures 17->71 20 RegSvcs.exe 17->20         started        23 RegSvcs.exe 17->23         started        process9 signatures10 81 Modifies the context of a thread in another process (thread injection) 20->81 83 Maps a DLL or memory area into another process 20->83 85 Sample uses process hollowing technique 20->85 25 explorer.exe 20->25 injected 29 wlanext.exe 20->29         started        87 Queues an APC in another process (thread injection) 23->87 process11 dnsIp12 59 www.bigco-op.com 162.214.129.149, 49721, 49722, 49723 UNIFIEDLAYER-AS-1US United States 25->59 61 187noahsmill.com 162.241.253.39, 49712, 49713, 49714 UNIFIEDLAYER-AS-1US United States 25->61 63 12 other IPs or domains 25->63 99 System process connects to network (likely due to code injection or exploit) 25->99 101 Performs DNS queries to domains with low reputation 25->101 31 wnbsj.exe 1 25->31         started        34 wnbsj.exe 25->34         started        36 wnbsj.exe 25->36         started        38 cmmon32.exe 25->38         started        signatures13 process14 signatures15 105 Writes to foreign memory regions 31->105 107 Allocates memory in foreign processes 31->107 109 Sample uses process hollowing technique 31->109 40 rundll32.exe 13 31->40         started        43 RegSvcs.exe 31->43         started        45 RegSvcs.exe 31->45         started        47 WerFault.exe 31->47         started        111 Injects a PE file into a foreign processes 34->111 49 RegSvcs.exe 34->49         started        51 RegSvcs.exe 34->51         started        53 RegSvcs.exe 36->53         started        55 RegSvcs.exe 36->55         started        process16 signatures17 89 Tries to steal Mail credentials (via file / registry access) 40->89 91 Tries to harvest and steal browser information (history, passwords, etc) 40->91 93 Modifies the context of a thread in another process (thread injection) 40->93 95 Maps a DLL or memory area into another process 43->95 97 Sample uses process hollowing technique 43->97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d6151fa41e2b098903102cd0a26119b4b606176b9ee9d62d5f4f155aef2b23a6/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-12-08 08:35:54 UTC
File Type:
PE (Exe)
Extracted files:
106
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2ykr7ja6fmeysayqftikeyizws3amf3lt3u5mlk7j4kvv3zleota._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/230105-rht34afg6y/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/17fd21e7-fd94-46d5-a45f-eab3b07a8d8f
Unpacked files
SH256 hash:
830fe77f96cfe617f3c7460242d5e712ab122c70f93010dbcd9831106d6b9ebc
MD5 hash:
10a3ceca0aaee1109d5a44db0143d4f9
SHA1 hash:
7cb5e9081618e1f3e033496ebb82fb4465085a16
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5b789f87-cea5-444a-9695-485016f42cbe/
Parent samples :
e3893f3270b5ead3eb868d6e61621c62f71fe67978899a57df0052a4d8ca9420
147b4695ce4a9f5b5dc4bab3463c37b5b784232f52cbb9bb9df329192365a740
afa56c374ca61f2d93eb8e5a1120b49fd474f0631ed1c9b55e4c715803cc897f
dcef53803395ab07ecfa4230ae586003b507e875cd93bae17648c47b536a7622
0f5f7021de995c69c5f6662b9150c780aa38ff8d11b335689a93a519b741fb6f
d6151fa41e2b098903102cd0a26119b4b606176b9ee9d62d5f4f155aef2b23a6
SH256 hash:
33c40f3f8296be04ecc1e1a7c927f2e11db8c9891983f345e09ebebb792b89bf
MD5 hash:
ac1d03af566f295587fe898e98664292
SHA1 hash:
626dc3e9dfe2fbcdd25ef5fda1b576f27b126c11
Link:
https://www.unpac.me/results/5b789f87-cea5-444a-9695-485016f42cbe/
SH256 hash:
f2481679d8da3a494279116c4845383a94442ea1c16f1a39a42531a67e5b19ae
MD5 hash:
a7d2700d626a848abbe64ae61cdb2748
SHA1 hash:
86d9f337ff5ad048cff9fba97705ab0565512aeb
Link:
https://www.unpac.me/results/5b789f87-cea5-444a-9695-485016f42cbe/
SH256 hash:
d6151fa41e2b098903102cd0a26119b4b606176b9ee9d62d5f4f155aef2b23a6
MD5 hash:
325e4d1ef505010b634a76fb29008fff
SHA1 hash:
ff649c648d34ff07aebed04f5ee91c00e8fc4036
Link:
https://www.unpac.me/results/5b789f87-cea5-444a-9695-485016f42cbe/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d6151fa41e2b/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/d6151fa41e2b098903102cd0a26119b4b606176b9ee9d62d5f4f155aef2b23a6

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

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/349696/

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