MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f42a16db7490876328b155b2dbb963ac8012c28963fafae0049530e15461c1e4. 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 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f42a16db7490876328b155b2dbb963ac8012c28963fafae0049530e15461c1e4
SHA3-384 hash: 8e9bdfe4d9e52a83cd4895c69ad8d12189bdfd36d2208ca4c61758ebf8cc92b557b7e476675d27f08756f815cbea348a
SHA1 hash: 27c858d31870b7726f79d735e027ba4aeba0d768
MD5 hash: 1ac62d37832338d68c8e218fd0cafa11
humanhash: beer-stairway-harry-friend
File name:1ac62d37832338d68c8e218fd0cafa11.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:211'496 bytes
First seen:2024-09-17 14:22:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:zHfe6/5C6yfGdvryJrSUXuoFCIt7l8YX+zwTYEPZUKcfqYcZEO:H/5CVf2vrOP+oFCI88+stUtJcZEO
TLSH T1CA242328138407B2CF6409721785CAA05FB05502F35ACCBCF15C86359F923B93BB9E7A
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) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
415
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1ac62d37832338d68c8e218fd0cafa11.exe
Verdict:
Malicious activity
Analysis date:
2024-09-17 14:29:12 UTC
Tags:
stealc stealer
Link:
https://app.any.run/tasks/fe1103a4-2eb7-4288-9df7-3534e6ab51be

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Stealerc-10034568-0
Create hunting rule

Win.Packed.Stealerc-10034588-0
Create hunting rule

Win.Packed.Stealerc-10034589-0
Create hunting rule

Win.Packed.Stelpak-10034590-0
Create hunting rule

Win.Packed.Pwsx-10034591-0
Create hunting rule

Win.Packed.Stealerc-10034632-0
Create hunting rule

Win.Packed.Stealerc-10034866-0
Create hunting rule

Win.Packed.Msilheracles-10034882-0
Create hunting rule

Win.Packed.Stealerc-10034883-0
Create hunting rule

Win.Packed.Stealerc-10034884-0
Create hunting rule

Win.Packed.Stealerc-10034887-0
Create hunting rule

Win.Packed.Stealerc-10034897-0
Create hunting rule

Win.Packed.Stealerc-10034900-0
Create hunting rule

Win.Packed.Stealerc-10034910-0
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e990dcf72de0d131be9426
Tags:
Encryption Static Malware
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
infostealer overlay packed stealc
Link:
https://www.filescan.io/uploads/66e990dcba486ed7e86efb3e/reports/66edd46b-2489-43ba-902f-45911c89cf39/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/f42a16db7490876328b155b2dbb963ac8012c28963fafae0049530e15461c1e4
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/78fda07f-ba3a-4e55-9787-86804a50cfe6
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1512575
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after checking computer name)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f42a16db7490876328b155b2dbb963ac8012c28963fafae0049530e15461c1e4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f42a16db7490876328b155b2dbb963ac8012c28963fafae0049530e15461c1e4/
Threat name:
Win32.Trojan.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-08-12 13:22:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6qvbnw3uscdwgkfrkwznxoldvsabfqujmp5pvyaesuyocvdbyhsa._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:kora discovery stealer
Link:
https://tria.ge/reports/240917-rp54yaxgpn/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Stealc
Malware Config
C2 Extraction:
http://185.215.113.100
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ff8288f8-0317-4158-ab6b-e93bc6922363
Unpacked files
SH256 hash:
37257ddb1a6f309a6e9d147b5fc2551a9cae3a0e52b191b18d9465bfcb5c18eb
MD5 hash:
278ee1426274818874556aa18fd02e3a
SHA1 hash:
185a2761330024dec52134df2c8388c461451acb
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/3bf7f611-9589-4354-8950-4eee28ef9141/
Parent samples :
37257ddb1a6f309a6e9d147b5fc2551a9cae3a0e52b191b18d9465bfcb5c18eb
fc330820899d3b38c7267818e1603b11c5e66b93a7ff5ec649f2ce033c1e3b66
853abd09d09a18a6a9e41f208dd45409f94fe1823eb94dedc1df28f68c9ef0c6
062f57bb9fc936ebb60a9d6862ac59c89b9dda88150d75143c5994a1c2151af9
a495a730cbb5eaa4bca30fe6dad501e7c8d2aeb1754b5686a8f94619c5e5c313
f42a16db7490876328b155b2dbb963ac8012c28963fafae0049530e15461c1e4
SH256 hash:
f42a16db7490876328b155b2dbb963ac8012c28963fafae0049530e15461c1e4
MD5 hash:
1ac62d37832338d68c8e218fd0cafa11
SHA1 hash:
27c858d31870b7726f79d735e027ba4aeba0d768
Link:
https://www.unpac.me/results/3bf7f611-9589-4354-8950-4eee28ef9141/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f42a16db7490/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/f42a16db7490876328b155b2dbb963ac8012c28963fafae0049530e15461c1e4

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:Detect_APT29_WINELOADER_Backdoor
Create hunting rule
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

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 (GUARD_CF)high

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