MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d. 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: 16


Intelligence 16 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d
SHA3-384 hash: 7faa05c9f917584e2b2b4fb47e4f774594dad785e1e7e4d78b7f64d5f4967ad3fb67baa4de0fb992cd96fba9cbac7b30
SHA1 hash: f069ce0f887af125aa606f004f0b7baaf725f300
MD5 hash: c4ac7a7ee7a9529b0148d9a64c43801b
humanhash: six-lima-kansas-virginia
File name:c4ac7a7ee7a9529b0148d9a64c43801b.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:696'320 bytes
First seen:2024-11-09 01:45:09 UTC
Last seen:2024-11-09 03:18:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6b2cdba4dbc5bc02ad6c1c23a6105d09 (3 x Stealc)
ssdeep 12288:HykVitmN3AUK9io6BF74ZNNuJby8gAmp+U0KtQRJxYTIEs:HykYAF74BuJEAmp+5Kmhx
Threatray 213 similar samples on MalwareBazaar
TLSH T186E4D02292F13D04FE768A318E3EC2E83E6FFB639FD5665921185A1F04B11A1E553F12
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10522/11/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 12716c4ce4c4c4c0 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://77.220.212.32/eb51242cada87444.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://77.220.212.32/eb51242cada87444.php https://threatfox.abuse.ch/ioc/1343350/

Intelligence

File Origin
# of uploads :
2
# of downloads :
439
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c4ac7a7ee7a9529b0148d9a64c43801b.exe
Verdict:
Malicious activity
Analysis date:
2024-11-09 01:50:02 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/81c9f299-c904-4f4f-b7ab-26abec51dea0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.28675.25991.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672ebef46c614f3030a3af46
Tags:
cobalt small hype sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected stealc
Link:
https://www.filescan.io/uploads/672ebedb5e56a0da881f5b81/reports/5909f3fc-ffa4-4afc-8947-1bcb0cf84e45/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ee37b8e-6013-4cdb-844d-e0e7c0bc2efe
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1552559
Signature
AI detected suspicious sample
Attempt to bypass Chrome Application-Bound Encryption
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 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 Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1552559 Sample: HrxOpVxK5d.exe Startdate: 09/11/2024 Architecture: WINDOWS Score: 100 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 8 other signatures 2->74 7 HrxOpVxK5d.exe 35 2->7         started        12 msedge.exe 106 634 2->12         started        process3 dnsIp4 62 77.220.212.32, 49699, 49749, 52982 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 7->62 64 127.0.0.1 unknown unknown 7->64 38 C:\ProgramData\nss3.dll, PE32 7->38 dropped 40 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 7->40 dropped 42 C:\Users\user\AppData\...\softokn3[1].dll, PE32 7->42 dropped 44 10 other files (none is malicious) 7->44 dropped 76 Detected unpacking (changes PE section rights) 7->76 78 Detected unpacking (overwrites its own PE header) 7->78 80 Attempt to bypass Chrome Application-Bound Encryption 7->80 82 8 other signatures 7->82 14 msedge.exe 2 11 7->14         started        17 chrome.exe 7->17         started        20 WerFault.exe 7->20         started        66 192.168.2.23 unknown unknown 12->66 23 msedge.exe 12->23         started        25 msedge.exe 12->25         started        27 msedge.exe 12->27         started        29 msedge.exe 12->29         started        file5 signatures6 process7 dnsIp8 84 Monitors registry run keys for changes 14->84 31 msedge.exe 14->31         started        46 192.168.2.7, 443, 49698, 49699 unknown unknown 17->46 48 239.255.255.250 unknown Reserved 17->48 33 chrome.exe 17->33         started        36 C:\ProgramData\Microsoft\...\Report.wer, Unicode 20->36 dropped 50 23.218.232.185, 443, 53012 RAYA-ASEG United States 23->50 52 13.107.246.57, 443, 53013, 53025 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->52 54 23 other IPs or domains 23->54 file9 signatures10 process11 dnsIp12 56 plus.l.google.com 142.250.186.142, 443, 49730 GOOGLEUS United States 33->56 58 play.google.com 172.217.18.14, 443, 49740, 49756 GOOGLEUS United States 33->58 60 2 other IPs or domains 33->60
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-11-09 01:46:05 UTC
File Type:
PE (Exe)
Extracted files:
60
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pi6b6cucn3wjw5534jnd3iw3jf6sabjdrreudehqowykekzbabwq._file
Verdict:
malicious
Label(s):
shellcode_loader_002
Create hunting rule
stealc
Create hunting rule
Similar samples:
1868bb138d95d03e4be9bef6c66ce777f9a3e311ba1989196131c5027e8efe6b
Stealc
2554890c396ec0d8a42cd1d3e6903b8480cfc75e8a37206a23f0e75809a96efe
Stealc
3c04339fa53eed7a5d39fefbdc8f42aff06b2a5651ff521a8a20b4eb28c8f176
Stealc
486c9bb7cd3ea23cc682ebc3b13aa40678a4450c3a9d22f8c45fad43f1a82271
Stealc
eb180e93ee49995a5303331261cc1ed3d1b07c10e6d7f1545277a3b674731f20
Stealc
error
Stealc
ff0b6360bee72c4ef53aada8f58cdab6a212b165fbf11b5f4cbfe4b6d1ba46cb
Stealc
+ 203 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:logsdiller discovery stealer
Link:
https://tria.ge/reports/241109-b6zeqavbrf/
Behaviour
Program crash
System Location Discovery: System Language Discovery
Stealc
Stealc family
Malware Config
C2 Extraction:
http://77.220.212.32
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/678ebe5b-2682-4ca7-ae0f-2f68eb271d1d
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/629ccc0c-0365-4a50-85dd-7f144e72e7e8/
SH256 hash:
40a85af974c217c13b7359131bbe32ffc4d60162e473927c3c3b689fcabc040b
MD5 hash:
33361294af222f262a064bbd79cff067
SHA1 hash:
02d425bc4bb8403acd7d7f6191fb425cd850ed49
Detections:
stealc
Create hunting rule
detect_Mars_Stealer
Create hunting rule
Link:
https://www.unpac.me/results/629ccc0c-0365-4a50-85dd-7f144e72e7e8/
Parent samples :
1868bb138d95d03e4be9bef6c66ce777f9a3e311ba1989196131c5027e8efe6b
7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d
7dcd3c8c9408c26e55384b50c6b05b1623523dac22973a48325b7ac3f2e99be1
71bb419ae2320b7d15c92c2929e983ac474c9f57a85537b978ea85e2a27eccf9
cb2165070957cff2ddff1e3a5b143a1b65a1782d90d07ed38fe7c7fe02de8e94
7cfbcf1c75d5638b9ba0efcdc1bcd64f303fb14c57dcebbcb5f3944f19d966cf
SH256 hash:
7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d
MD5 hash:
c4ac7a7ee7a9529b0148d9a64c43801b
SHA1 hash:
f069ce0f887af125aa606f004f0b7baaf725f300
Link:
https://www.unpac.me/results/629ccc0c-0365-4a50-85dd-7f144e72e7e8/
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/7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d

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 7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3272322/
  
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::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::SetConsoleCursorPosition
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleFontSize
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA

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