MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b. 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: 18


Intelligence 18 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b
SHA3-384 hash: 2020a86c9d6b6bb241b2f300cf32da8e68c5f1d62283791c526f6e9ffd4793348b9610ae3702a566c229cc000810e2e4
SHA1 hash: bc582afa67b9000676edf999d1077d9c3d425f94
MD5 hash: 70601976ccafcd842cf413a269f70e7c
humanhash: purple-carbon-yellow-apart
File name:70601976ccafcd842cf413a269f70e7c.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:712'704 bytes
First seen:2024-10-31 08:05:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4e9ba761d44b499978664315a13e3b55 (1 x Stealc)
ssdeep 12288:Vnjrb7cQKwwSjBWBP225wg3Xkspj2P/zs4wOx8FF87Y3Ecgt/0hSiMHXfN:Vnj7hwS1WBP225DnkkqXzsz3RTE0hSiE
TLSH T10BE4F1136295EE67E9A146718D3EC2F9762EB5218E59376B32187F3F24B02B2C573310
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 0206000902181000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://45.88.105.105/e88e05dfd1bdeeb9.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://45.88.105.105/e88e05dfd1bdeeb9.php https://threatfox.abuse.ch/ioc/1340239/

Intelligence

File Origin
# of uploads :
1
# of downloads :
379
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
70601976ccafcd842cf413a269f70e7c.exe
Verdict:
Malicious activity
Analysis date:
2024-10-31 08:05:46 UTC
Tags:
stealer stealc loader rust
Link:
https://app.any.run/tasks/02bf00ac-2479-4816-b91b-5571db0701e4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67233a708d23d90491322d49
Tags:
powershell cobalt lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/67233a6cb9dd804e948d2058/reports/28645bb9-cc03-412c-9bf1-713b9d437c8c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b
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:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/265f2944-d0e7-444a-b1f8-93d8d1f21bb0
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1545882
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1545882 Sample: I43xo3KKfS.exe Startdate: 31/10/2024 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 8 other signatures 2->56 7 I43xo3KKfS.exe 17 2->7         started        12 msedge.exe 8 2->12         started        process3 dnsIp4 34 45.88.105.105, 49709, 49798, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Netherlands 7->34 36 127.0.0.1 unknown unknown 7->36 32 C:\ProgramData\chrome.dll, PE32 7->32 dropped 58 Detected unpacking (changes PE section rights) 7->58 60 Detected unpacking (overwrites its own PE header) 7->60 62 Tries to harvest and steal browser information (history, passwords, etc) 7->62 64 2 other signatures 7->64 14 chrome.exe 7->14         started        17 msedge.exe 2 10 7->17         started        20 WerFault.exe 22 16 7->20         started        23 msedge.exe 12->23         started        file5 signatures6 process7 dnsIp8 44 192.168.2.6, 443, 49703, 49705 unknown unknown 14->44 46 239.255.255.250 unknown Reserved 14->46 25 chrome.exe 14->25         started        48 Monitors registry run keys for changes 17->48 28 msedge.exe 17->28         started        30 C:\ProgramData\Microsoft\...\Report.wer, Unicode 20->30 dropped file9 signatures10 process11 dnsIp12 38 apis.google.com 25->38 40 www.google.com 142.250.184.228, 443, 49722, 49731 GOOGLEUS United States 25->40 42 2 other IPs or domains 25->42
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b/
Threat name:
Win32.Trojan.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-10-31 08:06:11 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u7kwuomfaoykge7xqgccij3btq47nvc654uf4ijz5dt6fv3ebjvq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:logsdiller credential_access discovery spyware stealer
Link:
https://tria.ge/reports/241031-jzd47swkdl/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Browser Information Discovery
Program crash
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Stealc
Stealc family
Malware Config
C2 Extraction:
http://45.88.105.105
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/265844ad-2cd1-44f6-b733-c84c5b835082
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/393a63bf-be09-4d04-a909-b7fdc53b3cdd/
SH256 hash:
c3d0851f19b7ed75a19ccc745c42397f6d5a38ae8fd2c0096e380700b0c8938d
MD5 hash:
a0caa30af5ead51537041db885d93631
SHA1 hash:
3bf625eb94bffa74df697983c5e4b50771ac416b
Detections:
stealc
Create hunting rule
detect_Mars_Stealer
Create hunting rule
Link:
https://www.unpac.me/results/393a63bf-be09-4d04-a909-b7fdc53b3cdd/
Parent samples :
2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5
a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b
SH256 hash:
a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b
MD5 hash:
70601976ccafcd842cf413a269f70e7c
SHA1 hash:
bc582afa67b9000676edf999d1077d9c3d425f94
Link:
https://www.unpac.me/results/393a63bf-be09-4d04-a909-b7fdc53b3cdd/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a7d56a398503/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/a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b

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.

Web download

Stealc

Executable exe a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3243375/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::GetConsoleAliasExesA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempFileNameW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW

Comments