MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f883a42e2baa671520a7471c0fefe56fd75be8fd5abedde10e2873fed11662d. 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: 15


Intelligence 15 IOCs YARA File information Comments 1

SHA256 hash: 4f883a42e2baa671520a7471c0fefe56fd75be8fd5abedde10e2873fed11662d
SHA3-384 hash: 4b7d57ca293fddaa6c5b56dff505cd5d2ca5fd5388c9cb30d3bff752d81d7126eb80df53b12d2bdd10f665e64e04b9e4
SHA1 hash: 81f33ba791c05da97c0406a90d827c44bd26d630
MD5 hash: 0315254a52bc012cd27310f9e8cc0a0c
humanhash: december-snake-white-yellow
File name:0315254a52bc012cd27310f9e8cc0a0c
Download: download sample
Signature Stealc
File size:2'123'211 bytes
First seen:2024-01-30 21:09:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 49152:ChzF2z0X1W34qvuyXPHcqaGqW9gwLgMyu5noEiyIJAuB:ClFdFWINS/NF9gpMR5oEfM
Threatray 625 similar samples on MalwareBazaar
TLSH T1FBA5334DB5538E32E8B94972A5312BF767BE8E7845D439187734B7C8387002B229FB42
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e88e0f55551796e8 (9 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
452
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
raccoon
ID:
1
File name:
4363463463464363463463463.exe
Verdict:
Malicious activity
Analysis date:
2024-01-30 20:06:28 UTC
Tags:
hausbomber loader opendir miner risepro stealer evasion raccoon rhadamanthys lumma asyncrat rat remcos remote keylogger backdoor dcrat azorult arechclient2 payload amadey botnet blacknet trojan redline phorpiex gh0st whitesnake metastealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed 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:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
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: Suspicious Process Patterns NTDS.DIT Exfil
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1383638 Sample: KFHX2S263Y.exe Startdate: 30/01/2024 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 9 other signatures 2->66 8 KFHX2S263Y.exe 1 34 2->8         started        process3 dnsIp4 54 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 8->54 56 5.42.64.33, 49730, 49745, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 8->56 38 C:\Users\user\AppData\Local\...\nsy10BE.tmp, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\INetC.dll, PE32 8->40 dropped 42 C:\Users\user\AppData\...\BroomSetup.exe, PE32 8->42 dropped 44 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 8->44 dropped 12 nsy10BE.tmp 56 8->12         started        17 BroomSetup.exe 2 5 8->17         started        file5 process6 dnsIp7 58 185.172.128.79, 49731, 80 NADYMSS-ASRU Russian Federation 12->58 46 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->46 dropped 48 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->48 dropped 50 C:\Users\user\AppData\...\mozglue[1].dll, PE32 12->50 dropped 52 9 other files (5 malicious) 12->52 dropped 70 Antivirus detection for dropped file 12->70 72 Detected unpacking (changes PE section rights) 12->72 74 Detected unpacking (overwrites its own PE header) 12->74 78 5 other signatures 12->78 19 cmd.exe 1 12->19         started        21 WerFault.exe 2 16 12->21         started        23 WerFault.exe 16 12->23         started        76 Multi AV Scanner detection for dropped file 17->76 25 cmd.exe 1 17->25         started        file8 signatures9 process10 signatures11 28 conhost.exe 19->28         started        30 timeout.exe 1 19->30         started        68 Uses schtasks.exe or at.exe to add and modify task schedules 25->68 32 conhost.exe 25->32         started        34 schtasks.exe 1 25->34         started        36 chcp.com 1 25->36         started        process12
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2024-01-29 16:26:26 UTC
File Type:
PE (Exe)
Extracted files:
127
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.79
Unpacked files
SH256 hash:
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
MD5 hash:
40d7eca32b2f4d29db98715dd45bfac5
SHA1 hash:
124df3f617f562e46095776454e1c0c7bb791cc7
SH256 hash:
ef49f63810bb3e204bdb3f40bb8e0836dd5fa85ef64b164ac6a7a7307a01058c
MD5 hash:
616d3c27883d58eb0dd5600ba7c77f6f
SHA1 hash:
4a34f486a4a612841637eade2c26400af408d3e1
SH256 hash:
965189a153e5b36eace6ae78d3dcc669b7f20f787248c489a873f41d2042e281
MD5 hash:
a7ae1ef788d51cd10b333bd90342bc87
SHA1 hash:
04d7fc25b622acd6f8804214068b83c409958f25
SH256 hash:
4f883a42e2baa671520a7471c0fefe56fd75be8fd5abedde10e2873fed11662d
MD5 hash:
0315254a52bc012cd27310f9e8cc0a0c
SHA1 hash:
81f33ba791c05da97c0406a90d827c44bd26d630
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Stealc

Executable exe 4f883a42e2baa671520a7471c0fefe56fd75be8fd5abedde10e2873fed11662d

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-30 21:09:13 UTC

url : hxxp://185.172.128.109/InstallSetup9.exe