MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f1db790b8dcd0cfa72966ee8702bfd44c52600a290e40285b21bd6f356c12c5. 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


Fabookie


Vendor detections: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f1db790b8dcd0cfa72966ee8702bfd44c52600a290e40285b21bd6f356c12c5
SHA3-384 hash: df8cce68775117069f1c4fd60e39c30282ba15b155d812204e321d310336a0829b7d22eee4fd3bf4aacf30385a62617e
SHA1 hash: d2b4e780b13305b25cba7cd3b2259d94d84120a8
MD5 hash: 13e50553cf74404e0667de093b05d4bb
humanhash: solar-uranus-eight-chicken
File name:file
Download: download sample
Signature Fabookie
Create hunting rule
File size:23'928 bytes
First seen:2024-01-26 19:04:17 UTC
Last seen:2024-01-26 20:31:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:2uBq0csxekW8SepChIaSpZAuIrl/6Hx4QZb7DFN24uNDZOEv+45GoGCJEF8ZpHbY:cS8oHhxNhuLOyrEFiR1tM
Threatray 10 similar samples on MalwareBazaar
TLSH T1A3B25C051BB87B01C8F947B019E295314F70F39E6061DA7A2CE9D4DA2D237684F527AF
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Bitsight
Tags:exe Fabookie


Avatar
Bitsight
Sample downloaded from http://15.204.49.148/files/InstallSetup2.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
315
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
4363463463464363463463463.exe
Verdict:
Malicious activity
Analysis date:
2024-01-23 18:31:25 UTC
Tags:
loader opendir amadey botnet stealer redline hausbomber trojan risepro evasion marsstealer xworm remote lokibot phorpiex lumma ramnit payload miner stealc arkei purplefox backdoor gcleaner guloader metastealer asyncrat arechclient2 formbook spyware nitol vidar rat dcrat
Link:
https://app.any.run/tasks/f50f8e01-c1b6-4854-bb30-8006604f2c9b

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/473101/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46176.84.29629.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Creating a process with a hidden window
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Blocking the User Account Control
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed zusy
Link:
https://www.filescan.io/uploads/65b4025ff9733b1319ab8976/reports/4b46a300-94ad-4777-8341-579f80d64b46/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8f1db790b8dcd0cfa72966ee8702bfd44c52600a290e40285b21bd6f356c12c5
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c55cf3e0-ebef-437b-919d-9c3a26316cac
Result
Threat name:
Fabookie, Glupteba, Stealc
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1381875
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list
Adds extensions / path to Windows Defender exclusion list (Registry)
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
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)
Disables UAC (registry)
Drops script or batch files to the startup folder
Found malware configuration
Found Tor onion address
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies Group Policy settings
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
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 harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Fabookie
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1381875 Sample: file.exe Startdate: 26/01/2024 Architecture: WINDOWS Score: 100 178 Found malware configuration 2->178 180 Malicious sample detected (through community Yara rule) 2->180 182 Antivirus detection for URL or domain 2->182 184 14 other signatures 2->184 12 file.exe 17 4 2->12         started        process3 dnsIp4 176 104.21.96.33 CLOUDFLARENETUS United States 12->176 222 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->222 224 Writes to foreign memory regions 12->224 226 Allocates memory in foreign processes 12->226 228 4 other signatures 12->228 16 CasPol.exe 14 194 12->16         started        21 powershell.exe 22 12->21         started        signatures5 process6 dnsIp7 154 194.104.136.64 SMEERBOEL-ASSMEERBOELBVNL Netherlands 16->154 156 107.167.110.211 OPERASOFTWAREUS United States 16->156 158 16 other IPs or domains 16->158 102 C:\Users\...\ywZJZbBrk6mPwBwK1NvnRHcA.exe, PE32 16->102 dropped 104 C:\Users\...\uAD0VVZWcgF5qn6Zrt5x4ELs.exe, PE32 16->104 dropped 106 C:\Users\...\sNCTvlWDYjXVi2HqG5mz1dkA.exe, PE32 16->106 dropped 108 144 other malicious files 16->108 dropped 186 Drops script or batch files to the startup folder 16->186 188 Creates HTML files with .exe extension (expired dropper behavior) 16->188 190 Writes many files with high entropy 16->190 23 dxosoX9KhQ6J7bcGW7aw8fjo.exe 16->23         started        28 0ZJSXXxYhDJEXEqWXbnTywAk.exe 16->28         started        30 Qwcfz6u8WpfQgKPEzamGlGS1.exe 16->30         started        34 11 other processes 16->34 32 conhost.exe 21->32         started        file8 signatures9 process10 dnsIp11 160 107.167.110.218 OPERASOFTWAREUS United States 23->160 162 107.167.125.189 OPERASOFTWAREUS United States 23->162 170 5 other IPs or domains 23->170 128 Opera_installer_2401261906110263268.dll, PE32 23->128 dropped 140 8 other malicious files 23->140 dropped 194 Writes many files with high entropy 23->194 36 dxosoX9KhQ6J7bcGW7aw8fjo.exe 23->36         started        39 dxosoX9KhQ6J7bcGW7aw8fjo.exe 23->39         started        41 dxosoX9KhQ6J7bcGW7aw8fjo.exe 23->41         started        164 5.42.64.33 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 28->164 166 185.172.128.90 NADYMSS-ASRU Russian Federation 28->166 130 C:\Users\user\AppData\Local\...\INetC.dll, PE32 28->130 dropped 132 C:\Users\user\AppData\Local\...\nslE16F.tmp, PE32 28->132 dropped 134 C:\Users\user\AppData\...\BroomSetup.exe, PE32 28->134 dropped 136 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 28->136 dropped 43 nslE16F.tmp 28->43         started        47 BroomSetup.exe 28->47         started        142 2 other malicious files 30->142 dropped 49 Install.exe 30->49         started        168 74.201.73.52 DEDICATEDUS United States 34->168 172 3 other IPs or domains 34->172 138 Opera_installer_2401261906165997260.dll, PE32 34->138 dropped 144 6 other malicious files 34->144 dropped 196 Detected unpacking (changes PE section rights) 34->196 198 Detected unpacking (creates a PE file in dynamic memory) 34->198 200 Detected unpacking (overwrites its own PE header) 34->200 202 4 other signatures 34->202 51 Install.exe 34->51         started        53 8zExwItfF3QMn2fpeDf4bsfm.exe 34->53         started        55 4 other processes 34->55 file12 signatures13 process14 dnsIp15 110 Opera_installer_2401261906136957040.dll, PE32 36->110 dropped 124 23 other malicious files 36->124 dropped 57 dxosoX9KhQ6J7bcGW7aw8fjo.exe 36->57         started        112 Opera_installer_2401261906114376772.dll, PE32 39->112 dropped 114 Opera_installer_2401261906119676928.dll, PE32 41->114 dropped 174 185.172.128.79 NADYMSS-ASRU Russian Federation 43->174 126 12 other files (8 malicious) 43->126 dropped 204 Detected unpacking (changes PE section rights) 43->204 206 Detected unpacking (overwrites its own PE header) 43->206 208 Tries to steal Mail credentials (via file / registry access) 43->208 210 2 other signatures 43->210 60 cmd.exe 47->60         started        116 C:\Users\user\AppData\Local\...\Install.exe, PE32 49->116 dropped 63 Install.exe 49->63         started        118 C:\Users\user\AppData\Local\...\Install.exe, PE32 51->118 dropped 65 Install.exe 51->65         started        120 Opera_installer_2401261906189747588.dll, PE32 53->120 dropped 67 Conhost.exe 53->67         started        122 Opera_installer_2401261906182577484.dll, PE32 55->122 dropped 69 conhost.exe 55->69         started        file16 signatures17 process18 file19 146 Opera_installer_2401261906162477180.dll, PE32 57->146 dropped 212 Uses cmd line tools excessively to alter registry or file data 60->212 214 Uses schtasks.exe or at.exe to add and modify task schedules 60->214 71 schtasks.exe 60->71         started        73 conhost.exe 60->73         started        75 chcp.com 60->75         started        148 C:\Users\user\AppData\Local\...\SYgPfcy.exe, PE32 63->148 dropped 150 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 63->150 dropped 216 Modifies Windows Defender protection settings 63->216 218 Adds extensions / path to Windows Defender exclusion list 63->218 220 Modifies Group Policy settings 63->220 77 forfiles.exe 63->77         started        80 forfiles.exe 63->80         started        152 C:\Users\user\AppData\Local\...\zdHFtWR.exe, PE32 65->152 dropped signatures20 process21 signatures22 82 Conhost.exe 71->82         started        230 Modifies Windows Defender protection settings 77->230 232 Adds extensions / path to Windows Defender exclusion list 77->232 84 cmd.exe 77->84         started        87 conhost.exe 77->87         started        89 cmd.exe 80->89         started        91 conhost.exe 80->91         started        process23 signatures24 192 Uses cmd line tools excessively to alter registry or file data 84->192 93 reg.exe 84->93         started        96 reg.exe 84->96         started        98 reg.exe 89->98         started        100 reg.exe 89->100         started        process25 signatures26 234 Adds extensions / path to Windows Defender exclusion list (Registry) 93->234
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8f1db790b8dcd0cfa72966ee8702bfd44c52600a290e40285b21bd6f356c12c5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f1db790b8dcd0cfa72966ee8702bfd44c52600a290e40285b21bd6f356c12c5/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-01-23 10:55:01 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r4o3pefy3tim7jzjm3xioav72rgfeyakfeheakc3eg6w6nlmclcq._file
Verdict:
malicious
Similar samples:
0e1fcb552e33340ff7aaf8c2b3ae5c65b052187c5c5099f3457c6caf638e1121
Fabookie
42b27bb90f896b2a330438916038292955c7311791ef6ccf42177f78584a04d2
Fabookie
54f6314f39849f4725d6096a8622e7bd902298367119ecebf1b0d3cbc9a71085
Fabookie
67a14b45d6acb53b6d76c3a49127dcd56c2cd1716b37fc6fe2aa93dfd053714d
Fabookie
b351113c59e129624617023f514947a1c66fd634b6771215baacf42cf8afd3c3
Fabookie
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:fabookie family:glupteba family:stealc discovery dropper evasion loader spyware stealer trojan upx
Link:
https://tria.ge/reports/240126-xrgr1scdb2/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates system info in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Downloads MZ/PE file
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Modifies boot configuration data using bcdedit
Detect Fabookie payload
Fabookie
Glupteba
Glupteba payload
Stealc
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
http://185.172.128.79
http://app.alie3ksgaa.com/check/safe
Unpacked files
SH256 hash:
8f1db790b8dcd0cfa72966ee8702bfd44c52600a290e40285b21bd6f356c12c5
MD5 hash:
13e50553cf74404e0667de093b05d4bb
SHA1 hash:
d2b4e780b13305b25cba7cd3b2259d94d84120a8
Link:
https://www.unpac.me/results/3fb1fb11-e7c8-4d30-9591-e4d46c2ab73e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f1db790b8dc/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/8f1db790b8dcd0cfa72966ee8702bfd44c52600a290e40285b21bd6f356c12c5

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2743800/
Cape
Cape
https://www.capesandbox.com/analysis/473101/
  
URLhaus
https://urlhaus.abuse.ch/url/2738073/

Comments