MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a7e241ed991bc710a5cfe0528fce37d8bdf5be3c5e3b6d43b876fbf6f97686a. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a7e241ed991bc710a5cfe0528fce37d8bdf5be3c5e3b6d43b876fbf6f97686a
SHA3-384 hash: c5badda07f47a8ee9bbc645400a99fd00f4f19b31da5c9e471eacf3dde6b585444382639fcc880411c7e5c83b053687e
SHA1 hash: 4a739cb7fce0d5bff8d455f997fd7331e79d507d
MD5 hash: 183c01a9fd4495af6e4b7f33f45f0e24
humanhash: minnesota-uniform-oscar-music
File name:183c01a9fd4495af6e4b7f33f45f0e24.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:2'061'824 bytes
First seen:2023-06-02 07:30:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 65d9c1a9ed29f52599b050c6a36bebe6 (3 x RedLineStealer, 1 x Rhadamanthys, 1 x Stealc)
ssdeep 3072:bel1V6eeKktRJ6wT1tkGHn+qbOJCbJWuIDD0OblCeAg0FujDK9WRLQ0+UVp5wnkg:bSq15RjKGxbOAWuIfRAOjLQ0ztUitA
Threatray 1'293 similar samples on MalwareBazaar
TLSH T17B959D0271A18232D87310334EEBCAB9B93DFD5107561DFBA7943A6E8E20AD0973DE55
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)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.99.133.229/4107e896e74f964e.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
300
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
183c01a9fd4495af6e4b7f33f45f0e24.exe
Verdict:
Malicious activity
Analysis date:
2023-06-02 07:31:42 UTC
Tags:
stealc
Link:
https://app.any.run/tasks/bdfbb91c-8eca-4279-93cc-d536bce010cd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/394709/
Detection(s):
Win.Packed.Lazy-10002615-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Sending a custom TCP request
Changing a file
Creating a window
Running batch commands
Creating a process with a hidden window
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/89027/overview
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lolbin overlay packed zusy
Link:
https://www.filescan.io/uploads/64799ab79ce2e6bd7ed07cb1/reports/311dc2af-6a3c-40b7-9bfb-7d45aee4e576/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4a7e241ed991bc710a5cfe0528fce37d8bdf5be3c5e3b6d43b876fbf6f97686a
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/9e5cec0c-8f62-44d1-8ace-332768f3bf66
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1247446
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Country aware sample found (crashes after keyboard check)
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 880466 Sample: gPcWku9gId.exe Startdate: 02/06/2023 Architecture: WINDOWS Score: 100 30 Snort IDS alert for network traffic 2->30 32 Found malware configuration 2->32 34 Antivirus detection for URL or domain 2->34 36 8 other signatures 2->36 8 gPcWku9gId.exe 1 2->8         started        process3 signatures4 38 Contains functionality to inject code into remote processes 8->38 40 Writes to foreign memory regions 8->40 42 Allocates memory in foreign processes 8->42 44 Injects a PE file into a foreign processes 8->44 11 RegSvcs.exe 16 8->11         started        15 WerFault.exe 23 9 8->15         started        18 conhost.exe 8->18         started        process5 dnsIp6 28 185.99.133.229, 49693, 80 ZAPPIE-HOST-ASZappieHostGB Belarus 11->28 46 Tries to harvest and steal browser information (history, passwords, etc) 11->46 48 Found evasive API chain (may stop execution after checking locale) 11->48 50 Tries to steal Crypto Currency Wallets 11->50 20 cmd.exe 1 11->20         started        26 C:\ProgramData\Microsoft\...\Report.wer, Unicode 15->26 dropped file7 signatures8 process9 process10 22 conhost.exe 20->22         started        24 timeout.exe 1 20->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a7e241ed991bc710a5cfe0528fce37d8bdf5be3c5e3b6d43b876fbf6f97686a/
Threat name:
Win32.Trojan.RedLine
Create hunting rule
Status:
Malicious
First seen:
2023-05-30 03:08:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jj7cihwzsg6hccs47ycsr7hdpwf56w7dyxr3nvb3q5x3634xnbva._file
Verdict:
malicious
Similar samples:
23f0440bae78c2d40ebdf75a4127857fd531ea167e7525271330e966e24fa13a
Stealc
2841d614844219e1c2e937b51d5cd94f816f6b1985bf7372f0ee41c5bcb176b5
Stealc
37aa7fbf692cbc7da1f9f233c37cd4e7f1a41e12d61f2c34d6bb1171863d2790
Stealc
40d0734b985f3b131a175222639d0621b1f7f7a0f90674c676df80191fb215aa
Stealc
86c349ad1aecf41f402adad10ff1c7a8e34b2f9f733db02bfd88bb1abac8128a
Stealc
8d00abb9dc2e8161d63530424d10b66ad851ce075be2db66aa7e25cf1883c15f
Stealc
a06867c5e8f32e4f33fc0455b26a792eb1647178918628765aec756c1a21c382
Stealc
b8d15d856905852c376d2abfb4999d128e92a364366abd2c3a13886407b9c6e0
Stealc
d182fa757e7b1a39ae31bb165ff358931a5454115363bd636faeeb41e2aee3c1
Stealc
+ 1'283 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware
Link:
https://tria.ge/reports/230602-jcc9dsag8v/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
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
Unpacked files
SH256 hash:
525fb5c8e3c79b80c79f60e11526f127ab9c69299510a9875b52c33e8cc499c7
MD5 hash:
fd71c72093f5ce9079c0d66549034ffa
SHA1 hash:
888e2e6d11c0ab105691a3c86bad4529fa9246d8
Detections:
win_stealc_w0
Create hunting rule
win_stealc_auto
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/1f81c2dc-34ec-43d5-801a-96063b9c6c99/
SH256 hash:
4a7e241ed991bc710a5cfe0528fce37d8bdf5be3c5e3b6d43b876fbf6f97686a
MD5 hash:
183c01a9fd4495af6e4b7f33f45f0e24
SHA1 hash:
4a739cb7fce0d5bff8d455f997fd7331e79d507d
Link:
https://www.unpac.me/results/1f81c2dc-34ec-43d5-801a-96063b9c6c99/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a7e241ed991/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/4a7e241ed991bc710a5cfe0528fce37d8bdf5be3c5e3b6d43b876fbf6f97686a

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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:yara_template
Create hunting rule

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/394709/

Comments