MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a5df0d4b15783038ab017abf7a6233ee1d0d0843ca4e641d5170d29d0b46529. 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



Stealc


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 4a5df0d4b15783038ab017abf7a6233ee1d0d0843ca4e641d5170d29d0b46529
SHA3-384 hash: 693251d5bbc154538c23f44eb627669bef6854fd6534dd990aa4c63c94c910e422a803539cd5c3e4437028125caab9f5
SHA1 hash: b334123ae443f6e31fd84b14d7ea7f461555b3b3
MD5 hash: 1a8ef3bded8abf310891f496b8b20245
humanhash: golf-skylark-harry-solar
File name:1a8ef3bded8abf310891f496b8b20245.exe
Download: download sample
Signature Stealc
File size:1'449'984 bytes
First seen:2023-11-12 13:19:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 24576:PyEA/LwKCnEniXC8eqIsl0IG0YeDaB0Q43Jnooa7EzYrhzPzmLtvHqq:anzgnEYzexmXGwo0QFoa7PrhzrmLtf
Threatray 2'872 similar samples on MalwareBazaar
TLSH T11565238E6BDCA076D5721372A0FB868306367C729D7C975B2399259DDCB2DC02934B32
TrID 70.4% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
11.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
321
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Launching a process
Sending a custom TCP request
Searching for the browser window
Searching for the window
DNS request
Behavior that indicates a threat
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
advpack anti-vm CAB control explorer greyware installer installer lolbin lolbin packed rundll32 setupapi sfx shell32
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.
Result
Threat name:
Glupteba, Mystic Stealer, RedLine, Smoke
Detection:
malicious
Classification:
phis.troj.adwa.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Binary is likely a compiled AutoIt script file
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
Contains functionality to modify clipboard data
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found API chain indicative of sandbox detection
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Modifies the hosts file
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
Phishing site detected (based on logo match)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Stop multiple services
Suspicious execution chain found
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 Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Glupteba
Yara detected Mystic Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1341323 Sample: DKbuSJgbEn.exe Startdate: 12/11/2023 Architecture: WINDOWS Score: 100 162 Multi AV Scanner detection for domain / URL 2->162 164 Found malware configuration 2->164 166 Malicious sample detected (through community Yara rule) 2->166 168 20 other signatures 2->168 12 DKbuSJgbEn.exe 1 4 2->12         started        15 _NewEnum.exe 2->15         started        18 rundll32.exe 2->18         started        20 2 other processes 2->20 process3 file4 132 C:\Users\user\AppData\Local\...\tC1cI24.exe, PE32 12->132 dropped 134 C:\Users\user\AppData\Local\...\9JD9ka7.exe, PE32 12->134 dropped 22 tC1cI24.exe 1 4 12->22         started        246 Multi AV Scanner detection for dropped file 15->246 248 Machine Learning detection for dropped file 15->248 signatures5 process6 file7 116 C:\Users\user\AppData\Local\...\iA2hl13.exe, PE32 22->116 dropped 118 C:\Users\user\AppData\Local\...\8FP233gw.exe, PE32 22->118 dropped 25 iA2hl13.exe 1 4 22->25         started        process8 file9 120 C:\Users\user\AppData\Local\...\KZ8Kp54.exe, PE32 25->120 dropped 122 C:\Users\user\AppData\Local\...\7Hi12Yx.exe, PE32 25->122 dropped 28 7Hi12Yx.exe 25->28         started        31 KZ8Kp54.exe 1 4 25->31         started        process10 file11 218 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 28->218 220 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 28->220 222 Maps a DLL or memory area into another process 28->222 226 2 other signatures 28->226 34 explorer.exe 28->34 injected 136 C:\Users\user\AppData\Local\...\2jI0614.exe, PE32 31->136 dropped 138 C:\Users\user\AppData\Local\...\1Ch99YK3.exe, PE32 31->138 dropped 224 Binary is likely a compiled AutoIt script file 31->224 39 1Ch99YK3.exe 12 31->39         started        41 2jI0614.exe 1 31->41         started        signatures12 process13 dnsIp14 148 5.42.92.190 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 34->148 150 103.152.79.123 TWIDC-AS-APTWIDCLimitedHK unknown 34->150 152 6 other IPs or domains 34->152 108 C:\Users\user\AppData\Roaming\eddviec, PE32 34->108 dropped 110 C:\Users\user\AppData\Local\Temp\CA96.exe, PE32+ 34->110 dropped 112 C:\Users\user\AppData\Local\Temp\B335.exe, PE32 34->112 dropped 114 6 other malicious files 34->114 dropped 190 Benign windows process drops PE files 34->190 192 Adds a directory exclusion to Windows Defender 34->192 194 Hides that the sample has been downloaded from the Internet (zone.identifier) 34->194 43 B335.exe 34->43         started        47 7ED5.exe 34->47         started        50 CA96.exe 34->50         started        60 2 other processes 34->60 196 Binary is likely a compiled AutoIt script file 39->196 198 Found API chain indicative of sandbox detection 39->198 200 Contains functionality to modify clipboard data 39->200 52 chrome.exe 9 39->52         started        54 chrome.exe 39->54         started        62 8 other processes 39->62 202 Contains functionality to inject code into remote processes 41->202 204 Writes to foreign memory regions 41->204 206 Allocates memory in foreign processes 41->206 208 Injects a PE file into a foreign processes 41->208 56 AppLaunch.exe 12 41->56         started        58 conhost.exe 41->58         started        file15 signatures16 process17 dnsIp18 124 C:\Users\user\AppData\Local\...\toolspub2.exe, PE32 43->124 dropped 126 C:\Users\user\AppData\Local\...\latestX.exe, PE32+ 43->126 dropped 128 C:\Users\user\AppData\Local\Temp\forc.exe, PE32 43->128 dropped 130 2 other malicious files 43->130 dropped 228 Antivirus detection for dropped file 43->228 230 Machine Learning detection for dropped file 43->230 232 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 43->232 64 forc.exe 43->64         started        69 toolspub2.exe 43->69         started        77 5 other processes 43->77 154 194.49.94.80 EQUEST-ASNL unknown 47->154 234 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 47->234 236 Found many strings related to Crypto-Wallets (likely being stolen) 47->236 238 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 47->238 240 Tries to harvest and steal browser information (history, passwords, etc) 47->240 71 conhost.exe 47->71         started        242 Modifies the context of a thread in another process (thread injection) 50->242 244 Injects a PE file into a foreign processes 50->244 73 CA96.exe 50->73         started        156 192.168.2.3 unknown unknown 52->156 158 239.255.255.250 unknown Reserved 52->158 79 4 other processes 52->79 75 chrome.exe 54->75         started        160 5.42.92.43 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 56->160 81 4 other processes 60->81 83 8 other processes 62->83 file19 signatures20 process21 dnsIp22 140 77.91.68.247 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 64->140 92 C:\Users\user\AppData\...\softokn3[1].dll, PE32 64->92 dropped 94 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 64->94 dropped 96 C:\Users\user\AppData\...\mozglue[1].dll, PE32 64->96 dropped 106 9 other files (5 malicious) 64->106 dropped 170 Tries to steal Mail credentials (via file / registry access) 64->170 172 Tries to harvest and steal browser information (history, passwords, etc) 64->172 174 Tries to steal Crypto Currency Wallets 64->174 176 Detected unpacking (changes PE section rights) 69->176 178 Injects a PE file into a foreign processes 69->178 85 toolspub2.exe 69->85         started        98 C:\Users\user\AppData\Local\...\_NewEnum.exe, PE32+ 73->98 dropped 180 Found many strings related to Crypto-Wallets (likely being stolen) 73->180 88 Conhost.exe 75->88         started        100 C:\Users\user\AppData\Local\Temp\Broom.exe, PE32 77->100 dropped 102 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 77->102 dropped 104 C:\Windows\System32\drivers\etc\hosts, ASCII 77->104 dropped 182 Multi AV Scanner detection for dropped file 77->182 184 Detected unpacking (overwrites its own PE header) 77->184 186 Machine Learning detection for dropped file 77->186 188 5 other signatures 77->188 90 Broom.exe 77->90         started        142 104.244.42.129 TWITTERUS United States 79->142 144 104.244.42.130 TWITTERUS United States 79->144 146 67 other IPs or domains 79->146 file23 signatures24 process25 signatures26 210 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 85->210 212 Maps a DLL or memory area into another process 85->212 214 Checks if the current machine is a virtual machine (disk enumeration) 85->214 216 Creates a thread in another existing process (thread injection) 85->216
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2023-11-12 13:20:06 UTC
File Type:
PE (Exe)
Extracted files:
174
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
brand:paypal persistence phishing
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
AutoIT Executable
Detected potential entity reuse from brand paypal.
Adds Run key to start application
Executes dropped EXE
Unpacked files
SH256 hash:
a7f66057e50910d96a36424eb4da3de8b9cd4a306f9ab0b59362f27409f91e35
MD5 hash:
f562aaab6ca23d0e9b0846e4ed2e2705
SHA1 hash:
c8fc45ff9b31f44f4f79f2f8601ef95146769aae
SH256 hash:
5ba2f88801786506350d59d102851db9a425559f552afea425f2537a09f5376f
MD5 hash:
00db260ac64b355b4ce119efe5fafe71
SHA1 hash:
827e0174eeb6e2ffcf9d213c53f8cf27a209b905
Detections:
win_smokeloader_a2
SH256 hash:
4a5df0d4b15783038ab017abf7a6233ee1d0d0843ca4e641d5170d29d0b46529
MD5 hash:
1a8ef3bded8abf310891f496b8b20245
SHA1 hash:
b334123ae443f6e31fd84b14d7ea7f461555b3b3
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:detect_Redline_Stealer
Author:Varp0s
Rule name:win_redline_wextract_hunting_oct_2023
Author:Matthew @ Embee_Research
Description:Detects wextract archives related to redline/amadey

File information


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

Web download

Stealc

Executable exe 4a5df0d4b15783038ab017abf7a6233ee1d0d0843ca4e641d5170d29d0b46529

(this sample)

  
Delivery method
Distributed via web download

Comments