MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26b39a6144607e13d34c60b5ce9b325151e267a3398de1c2f2cf0e87809c6cf7. 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 1 YARA 8 File information Comments
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SHA256 hash: 26b39a6144607e13d34c60b5ce9b325151e267a3398de1c2f2cf0e87809c6cf7
SHA3-384 hash: 80081400c1692f77bad3e2b1934dd068b8ceb0c35f96c1046baef43fd4e9a8a697825ed9ed4530f519e6567c3fd29a86
SHA1 hash: c4248c5ef8fb8cf6734186807da86aa1c212d047
MD5 hash: f152f48b6c86dfe99418ef0c76fd42ec
humanhash: coffee-london-timing-diet
File name:f152f48b6c86dfe99418ef0c76fd42ec.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:413'696 bytes
First seen:2021-10-30 20:45:51 UTC
Last seen:2021-10-30 22:13:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6256ca6fb1d33cce27dff272311e3072 (3 x Formbook, 2 x ArkeiStealer, 1 x DiamondFox)
ssdeep 6144:FjxzYPg/USg7WFugayIv1pE0EAPMrGWsWDWidF0HQszCZ2Ftppb9Y81+k7pq7FL7:RNYI/7FugaDS2zO
TLSH T17D947B2433D08C32C6AE4675A4A0C6718634ED2657728BD727C46FBB3C773C08A65BA7
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Formbook C2:
188.124.37.219:26360

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
188.124.37.219:26360 https://threatfox.abuse.ch/ioc/240114/

Intelligence

File Origin
# of uploads :
2
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f152f48b6c86dfe99418ef0c76fd42ec.exe
Verdict:
No threats detected
Analysis date:
2021-10-30 20:56:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f98435d3-6aed-4c40-8dd1-20335d644e64

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.30735.4731.21881.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
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:
RedLine stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9f9593f4-5d5f-44d4-aa0c-0da0a1440c97
Result
Threat name:
Backstage Stealer FormBook Raccoon RedLi
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879881
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Drops PE files to the document folder of the user
Found malware configuration
Hides threads from debuggers
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has a writeable .text section
PE file has nameless sections
Query firmware table information (likely to detect VMs)
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: MSHTA Spawning Windows Shell
Sigma detected: Suspicious MSHTA Process Patterns
Sigma detected: Suspicious Svchost Process
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to shutdown other security tools via broadcasted WM_QUERYENDSESSION
Yara detected Backstage Stealer
Yara detected FormBook
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Socelars
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 512315 Sample: lbbXpFFkIN.exe Startdate: 30/10/2021 Architecture: WINDOWS Score: 100 99 Multi AV Scanner detection for domain / URL 2->99 101 Found malware configuration 2->101 103 Malicious sample detected (through community Yara rule) 2->103 105 29 other signatures 2->105 9 lbbXpFFkIN.exe 4 66 2->9         started        process3 dnsIp4 85 45.142.182.152 XSSERVERNL Germany 9->85 87 103.155.92.29 TWIDC-AS-APTWIDCLimitedHK unknown 9->87 89 10 other IPs or domains 9->89 61 C:\Users\...\y3QwbE6DZzryoysEuL0P56Qq.exe, PE32 9->61 dropped 63 C:\Users\...\r61yFToVMP4dFq_u2ONeEr2a.exe, PE32 9->63 dropped 65 C:\Users\...\qOhvPZsToQKlh_NL3Y3vAbGf.exe, PE32 9->65 dropped 67 27 other files (19 malicious) 9->67 dropped 109 Detected unpacking (creates a PE file in dynamic memory) 9->109 111 Creates HTML files with .exe extension (expired dropper behavior) 9->111 113 Disable Windows Defender real time protection (registry) 9->113 14 VmN965dj8AIue6JtYZTmwtGi.exe 9->14         started        17 7wEKvogtPIp_GpVqvsIpWhJX.exe 9->17         started        20 JGMz9jXSqjmAiKzBgeSVfdLx.exe 9->20         started        22 19 other processes 9->22 file5 signatures6 process7 dnsIp8 115 Query firmware table information (likely to detect VMs) 14->115 117 Tries to shutdown other security tools via broadcasted WM_QUERYENDSESSION 14->117 119 Injects a PE file into a foreign processes 14->119 45 C:\Program Files (x86)\...\jg1_1faf.exe, PE32 17->45 dropped 47 C:\Program Files (x86)\Company\...\cutm3.exe, PE32+ 17->47 dropped 49 C:\Program Files (x86)\...\Uninstall.exe, PE32 17->49 dropped 25 cutm3.exe 17->25         started        29 jg1_1faf.exe 17->29         started        121 Hides threads from debuggers 20->121 123 Tries to detect sandboxes / dynamic malware analysis system (registry check) 20->123 79 149.154.167.99 TELEGRAMRU United Kingdom 22->79 81 94.140.115.152 NANO-ASLV Latvia 22->81 83 7 other IPs or domains 22->83 51 C:\Users\...\zwam3wddwGWid2JrOuD7JuRG.exe, PE32 22->51 dropped 53 C:\Users\user\AppData\Local\...\LzmwAqmV.exe, PE32 22->53 dropped 55 C:\Users\user\AppData\...\Cube_WW14[1].bmp, PE32 22->55 dropped 57 11 other files (1 malicious) 22->57 dropped 125 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 22->125 127 Checks if the current machine is a virtual machine (disk enumeration) 22->127 32 vTM8PkmhAM5PqVjWTsUxiZOO.tmp 22->32         started        34 mshta.exe 22->34         started        36 r61yFToVMP4dFq_u2ONeEr2a.exe 22->36         started        38 explorer.exe 22->38 injected file9 signatures10 process11 dnsIp12 91 208.95.112.1 TUT-ASUS United States 25->91 93 45.136.151.102 ENZUINC-US Latvia 25->93 107 Tries to harvest and steal browser information (history, passwords, etc) 25->107 95 186.2.171.3 DDOS-GUARDCORPBZ Belize 29->95 69 C:\Users\user\Documents\...\jg1_1faf.exe, PE32 29->69 dropped 97 199.192.17.247 NAMECHEAP-NETUS United States 32->97 71 C:\Users\user\AppData\...\ShareFolder.exe, PE32 32->71 dropped 73 C:\Users\user\AppData\Local\Temp\...\idp.dll, PE32 32->73 dropped 75 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 32->75 dropped 77 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 32->77 dropped 40 cmd.exe 34->40         started        file13 signatures14 process15 file16 59 C:\Users\user\AppData\Local\Temp\8pWB.eXE, PE32 40->59 dropped 43 conhost.exe 40->43         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/26b39a6144607e13d34c60b5ce9b325151e267a3398de1c2f2cf0e87809c6cf7/
Threat name:
Win32.Trojan.Skeeyah
Create hunting rule
Status:
Malicious
First seen:
2021-10-27 23:07:55 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=e2zzuykemb7bhu2mmc245gzskfi6ez5dhgg6dqxsz4hipae4nt3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader family:socelars family:vidar family:xloader botnet:8dec62c1db2959619dca43e02fa46ad7bd606400 botnet:921 botnet:937 campaign:s0iw backdoor evasion infostealer loader rat spyware stealer suricata themida trojan
Link:
https://tria.ge/reports/211030-zkaq8scahp/
Behaviour
Creates scheduled task(s)
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Xloader Payload
Modifies Windows Defender Real-time Protection settings
Process spawned unexpected child process
Raccoon
RedLine
RedLine Payload
SmokeLoader
Socelars
Socelars Payload
Vidar
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE GCleaner Downloader Activity M5
suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
suricata: ET MALWARE Likely Evil Macro EXE DL mar 15 2016
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin
suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2
Malware Config
C2 Extraction:
http://www.kyiejenner.com/s0iw/
https://mas.to/@lilocc
http://honawey70.top/
http://wijibui00.top/
Unpacked files
SH256 hash:
26b39a6144607e13d34c60b5ce9b325151e267a3398de1c2f2cf0e87809c6cf7
MD5 hash:
f152f48b6c86dfe99418ef0c76fd42ec
SHA1 hash:
c4248c5ef8fb8cf6734186807da86aa1c212d047
Link:
https://www.unpac.me/results/835be388-0305-4004-9ecd-17118d5a31c0/
Malware family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/26b39a614460/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/26b39a6144607e13d34c60b5ce9b325151e267a3398de1c2f2cf0e87809c6cf7

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:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_Raccoon
Create hunting rule
Author:ditekSHen
Description:Raccoon stealer payload
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:win_raccoon_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.raccoon.

File information

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

Comments