MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ab670958ff796ff74d6871d989032deb5fb1bbb8d2e7269335a330c8dc56038. 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: 14


Intelligence 14 IOCs YARA 17 File information Comments

SHA256 hash: 0ab670958ff796ff74d6871d989032deb5fb1bbb8d2e7269335a330c8dc56038
SHA3-384 hash: c9e07244893aafcaadc8ca5158e629aca45ef51e0bbb097ab7fb65a267c0ec2071ff7bf4f6bae335861a66bb6466c963
SHA1 hash: da66e8df19be081a0b919f12b0be2792323991d7
MD5 hash: 28eff2ab9402b8617362f8398723f0a2
humanhash: fix-tennis-green-fish
File name:28EFF2AB9402B8617362F8398723F0A2.exe
Download: download sample
Signature Stealc
File size:5'448'816 bytes
First seen:2024-02-03 16:35:10 UTC
Last seen:2024-02-03 18:32:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 98304:e8BARgDem7FUpuCVkpgXgla0P/6hanUaeOOWpNk4fYthH7epzDfT7:e8BARgDem7FUpuCVkpgXgla0PX9efWzz
Threatray 527 similar samples on MalwareBazaar
TLSH T18A46AE13FB88DA31C64E1737C1A7001483F6D4962762F70B668D23A91E43BDFDD8969A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0f0f0f8f8ccc4f4 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://194.120.116.120/7a957ef6cc168ff6.php

Intelligence


File Origin
# of uploads :
2
# of downloads :
305
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed remote stealc
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Silenttrinity Stager Msbuild Activity
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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1386133 Sample: etk0z46vrL.exe Startdate: 03/02/2024 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic 2->29 31 Found malware configuration 2->31 33 Antivirus detection for URL or domain 2->33 35 8 other signatures 2->35 6 etk0z46vrL.exe 2 2->6         started        process3 file4 17 C:\Users\user\AppData\...\Protect544cd51a.dll, PE32 6->17 dropped 37 Found many strings related to Crypto-Wallets (likely being stolen) 6->37 39 Writes to foreign memory regions 6->39 41 Allocates memory in foreign processes 6->41 43 Injects a PE file into a foreign processes 6->43 10 MSBuild.exe 32 6->10         started        15 MSBuild.exe 6->15         started        signatures5 process6 dnsIp7 27 194.120.116.120, 49708, 80 AGROSVITUA unknown 10->27 19 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 10->19 dropped 21 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->21 dropped 23 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->23 dropped 25 9 other files (none is malicious) 10->25 dropped 45 Tries to steal Mail credentials (via file / registry access) 10->45 47 Found many strings related to Crypto-Wallets (likely being stolen) 10->47 49 Tries to harvest and steal ftp login credentials 10->49 51 Tries to harvest and steal browser information (history, passwords, etc) 10->51 53 Found evasive API chain (may stop execution after checking locale) 15->53 file8 signatures9
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-01-31 01:54:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
86
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc family:zgrat rat spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Loads dropped DLL
Downloads MZ/PE file
Detect ZGRat V1
Stealc
ZGRat
Malware Config
C2 Extraction:
http://194.120.116.120
Unpacked files
SH256 hash:
918942341a02dee31b0163860d265473c2989aa42dada6e9abf3cc3c8cd49283
MD5 hash:
6d3fdb9e9f57a0e76db61fd2577e636e
SHA1 hash:
e21a3c881891194d6583746834cca666d93da9b1
Detections:
stealc win_stealc_auto win_stealc_a0
SH256 hash:
63366bb58836a4d9fc6a7fb5632ce6aeb52fd2ec57ea5d766b27bfedf7b7deee
MD5 hash:
a6810a5899b5a89ee483c9e94dacb015
SHA1 hash:
c787d081f7534936636b17d94ecee651fd64fdac
SH256 hash:
91641669f716aef7f6629fe7f6e4c69c61e9aad01d7d5122424f86f771174b96
MD5 hash:
f213a0750649edd2022127c7540c8cfc
SHA1 hash:
c2c6c5a0077a16139ce626f7210837945b5120db
SH256 hash:
6a26df7ee49de6fec6c5de1f3f7a94075d2dfbc50922e3b30fd8111f2e734f33
MD5 hash:
f45c1512d5a47375e6e396b4d1111e58
SHA1 hash:
8af036b8c60d10e85cf82212930bb04bc0553f36
SH256 hash:
dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
MD5 hash:
544cd51a596619b78e9b54b70088307d
SHA1 hash:
4769ddd2dbc1dc44b758964ed0bd231b85880b65
SH256 hash:
ee5d8d19b12e43459490c9c27024416c670a133fc3f1972fc8f24c6f2b80544c
MD5 hash:
2a3d628b8e04f48a8aea26a687cdc545
SHA1 hash:
e44b4764e00b4e3607f226ab0388403ee785e0bd
SH256 hash:
0ab670958ff796ff74d6871d989032deb5fb1bbb8d2e7269335a330c8dc56038
MD5 hash:
28eff2ab9402b8617362f8398723f0a2
SHA1 hash:
da66e8df19be081a0b919f12b0be2792323991d7
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_stealc_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:win_stealc_bytecodes_oct_2023
Author:Matthew @ Embee_Research
Description:Bytecodes present in Stealc decoding routine
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Author:Matthew @ Embee_Research
Rule name:yara_template

File information


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

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