MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55df033fe62f9b849870c10e28db0432cb4287e278cfc80acc3d113a6887513d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55df033fe62f9b849870c10e28db0432cb4287e278cfc80acc3d113a6887513d
SHA3-384 hash: 273d308069f243151d19bf1af8e8d837c97eeb2b9bcab06161f978cf5df0a6d5688c8c0d85bfa8d3c89f55f2bfe2838b
SHA1 hash: bc545c008063d7deaf0715368d96d904db78c668
MD5 hash: 108f64fe904c91b51067316c572931cb
humanhash: hydrogen-twelve-network-happy
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:269'312 bytes
First seen:2023-10-05 00:49:16 UTC
Last seen:2023-10-05 03:52:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 881c8bbf2c7a75bb8a09e79bbc8dfe29 (2 x Stealc, 1 x Tofsee, 1 x Loki)
ssdeep 3072:VRmACtZyJtXMBmTEKneNIN2KPOKmgImzG2LAifDX6SKJB0ivcfEg//c851M/Vr:DCmJRM4ruI/hIDPiLKJBv5g/0HV
Threatray 99 similar samples on MalwareBazaar
TLSH T19044D0E03AB1C432DDA755358830DB947A7FF8726A60859F335427AF9E207D28B1B316
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 0030c09030341800 (8 x RiseProStealer, 1 x Stealc, 1 x Glupteba)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://5.42.64.10/api/files/software/s2.exe

Intelligence

File Origin
# of uploads :
7
# of downloads :
400
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/651e083d4d45a517a3416524/reports/7ddbf9fb-f023-422d-9ef1-02795ba0c3fd/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/55df033fe62f9b849870c10e28db0432cb4287e278cfc80acc3d113a6887513d
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:
Oski Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/073c8d3d-0d1c-447a-9dbd-b780af3f1137
Result
Threat name:
Stealc, Vidar, onlyLogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1319844
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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)
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
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
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)
Yara detected onlyLogger
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1319844 Sample: file.exe Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 54 aidandylan.top 2->54 56 script.googleusercontent.com 2->56 58 2 other IPs or domains 2->58 66 Snort IDS alert for network traffic 2->66 68 Multi AV Scanner detection for domain / URL 2->68 70 Found malware configuration 2->70 72 11 other signatures 2->72 11 file.exe 2->11         started        signatures3 process4 signatures5 82 Detected unpacking (changes PE section rights) 11->82 84 Detected unpacking (overwrites its own PE header) 11->84 86 Contains functionality to inject code into remote processes 11->86 88 Injects a PE file into a foreign processes 11->88 14 file.exe 20 11->14         started        process6 dnsIp7 60 aidandylan.top 85.143.221.30, 49685, 49686, 49690 TRADERSOFTRU Russian Federation 14->60 62 5.42.64.10, 49683, 49684, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 14->62 64 2 other IPs or domains 14->64 48 C:\Users\user\AppData\...\9454079213.exe, PE32 14->48 dropped 50 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 14->50 dropped 52 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 14->52 dropped 18 cmd.exe 1 14->18         started        20 cmd.exe 1 14->20         started        file8 process9 process10 22 9454079213.exe 44 18->22         started        26 conhost.exe 18->26         started        28 taskkill.exe 1 20->28         started        30 conhost.exe 20->30         started        file11 40 C:\Users\user\AppData\...\softokn3[1].dll, PE32 22->40 dropped 42 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 22->42 dropped 44 C:\Users\user\AppData\...\mozglue[1].dll, PE32 22->44 dropped 46 9 other files (5 malicious) 22->46 dropped 74 Multi AV Scanner detection for dropped file 22->74 76 Detected unpacking (changes PE section rights) 22->76 78 Detected unpacking (overwrites its own PE header) 22->78 80 6 other signatures 22->80 32 cmd.exe 1 22->32         started        34 WerFault.exe 21 16 22->34         started        signatures12 process13 process14 36 conhost.exe 32->36         started        38 timeout.exe 1 32->38         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55df033fe62f9b849870c10e28db0432cb4287e278cfc80acc3d113a6887513d/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 00:50:07 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kxpqgp7gf6nyjgdqyehcrwyeglfufb7cpdh4qcwmhuitu2ehke6q._file
Verdict:
malicious
Similar samples:
1837622fbafa47eb30d479df4f4c97e41e54c9f65c99859b9b4ef195fa9bcdbc
Stealc
4303d671853cab5c7d2f815942dfae8e727054791fa7947b16536c6b9876412d
Stealc
5e67e7c2573fa5e6522517d3f97cc38b79d47f4e0b16d4d1b9448ba72626d355
Stealc
6e75be092dacc4f00da72baf4ea2d7fcc84220ec04f213e0b14eed89004f4ae0
Stealc
beca325649a048fb9d8517b206b82f94a0663138725660ee957b75e8d5ebe494
Stealc
c093df19539455619b30408268030ba22b4fbba44e6872115f58642e626b494d
Stealc
d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66
Stealc
d37b53f23353eede338e7d30afadc73cd4ca9e1f010367925e70502c4c27bd95
Stealc
dbee3dbe90cbe6fefd612f476a0f8e34f0f74bdd4785db3adc424efaff3f3ac4
Stealc
+ 89 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231005-a6x18afh2z/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://aidandylan.top
Unpacked files
SH256 hash:
055917c53bcbfd2bbcd4d428cf08d45afdecefc99605328bb2ac6fd2a9df9f7c
MD5 hash:
dd3e2766fed2e5b8619097ef27ae78a3
SHA1 hash:
905af3c4efa701627a90230686eb8c372b44bf19
Link:
https://www.unpac.me/results/68ded939-1ac5-4be5-9773-63598dd2a1a2/
Parent samples :
87c9f6da1bde1c4762477b55c8fbd4f821464f23669c08eef59df00adc438a37
12cd64a6d63eb4c7ae10c011a65ea69f9ce0022197d39cb454cc63fc7e147f78
658d9ea4093e492a0f1a8cc6e054e65d2ea30f22fd179b1e1ca58c17618690e9
a4f2367e3e2e9a8ce919fde4522d4a347e30fa7625ff391b082a5c830acb1a76
030c0eab77f63f34b1d09730a8d01a6e5c128c564f75e8f24dddf1a9c1917507
53d10bf98c4e290949b6efe10418a674c737c837ad85fcd47baeeaaa8d72ddcf
92f8faa5180fb698b2313532039b120227e32255dfacf2b3139a4b3734a1fe0c
SH256 hash:
55df033fe62f9b849870c10e28db0432cb4287e278cfc80acc3d113a6887513d
MD5 hash:
108f64fe904c91b51067316c572931cb
SHA1 hash:
bc545c008063d7deaf0715368d96d904db78c668
Link:
https://www.unpac.me/results/68ded939-1ac5-4be5-9773-63598dd2a1a2/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55df033fe62f/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/55df033fe62f9b849870c10e28db0432cb4287e278cfc80acc3d113a6887513d

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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/2716172/

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