MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4554cf0100d5a04cfc2a3090419ff1f4fdc1d8f6264d24442cd39274aaa37e7. 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


LummaStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4554cf0100d5a04cfc2a3090419ff1f4fdc1d8f6264d24442cd39274aaa37e7
SHA3-384 hash: 90da5e83ca489ee721c7cb074ea992862f063c6663dae54de03e4a8cfe3a879275d1436f7df011ed006585de85a7de32
SHA1 hash: fee80e256b940f46db0ab6088a059378566f7ba2
MD5 hash: d6c5a82b87c6fe784a5ab3421ca6bf9e
humanhash: california-harry-monkey-october
File name:detailed_help_for_learning.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:3'782'192 bytes
First seen:2023-11-07 17:59:14 UTC
Last seen:2023-11-07 19:30:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:GWZrnEpe1noVI8Dcrn35x7QoYXsUuSCKzfIyZAax4tF4g2Aoe/FxPDMQ1ra9Kbg:GVcJ8c7QoYpCIfTANFxCejDt89ag
Threatray 51 similar samples on MalwareBazaar
TLSH T1B506E0153B6A8A52C27D2637C5E2401907F2E487B621FF0B3FD52ECA094A7CE0DD5E5A
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) (4505/5/1)
File icon (PE):PE icon
dhash icon dae2e2a8b8b8e6e8 (1 x LummaStealer, 1 x Phonk)
Reporter adm1n_usa32
Tags:exe LummaStealer


Avatar
adm1n_usa32
lummastealer with very low detection

Intelligence

File Origin
# of uploads :
2
# of downloads :
326
Origin country :
RO RO
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.2171.27580.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Creating a file in the %temp% directory
Launching a process
Creating a file
DNS request
Sending an HTTP POST request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin overlay packed packed regasm
Link:
https://www.filescan.io/uploads/654a7b23946b6ab2245a8452/reports/b66f0d2b-aba4-4ae8-bee8-b89b83f6656d/overview
Verdict:
Malicious
Labled as:
TrojanSpy/MSIL.PwStealer
Link:
https://www.hybrid-analysis.com/sample/b4554cf0100d5a04cfc2a3090419ff1f4fdc1d8f6264d24442cd39274aaa37e7
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fe71a958-ccd2-4174-890f-c8cb3874ae1e
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1338432
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to behave differently if execute on a Russian/Kazak computer
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b4554cf0100d5a04cfc2a3090419ff1f4fdc1d8f6264d24442cd39274aaa37e7
Detection:
lumma
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4554cf0100d5a04cfc2a3090419ff1f4fdc1d8f6264d24442cd39274aaa37e7/
Threat name:
Win32.Spyware.Lummastealer
Create hunting rule
Status:
Malicious
First seen:
2023-11-05 23:36:18 UTC
AV detection:
10 of 24 (41.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrkuz4aqbvnajt6cumeqigp7d5h5yhmpmjsnercczu4sosvkg7tq._file
Verdict:
malicious
Similar samples:
050506129490bf4fc71dfedbf612532a669ea9b02f2d6b8311428601e915763e
LummaStealer
2d93d95a761840fb47b2d09b81273eba8671b589494eda95e711771387579a13
LummaStealer
575d4d61e043f68fbc070d178284a2cacfb2ecaa0e352df98382e0fde7495f5f
LummaStealer
9648c6034468d7ee150c2b9b2ce088c14793e1ddf235d596ce14ef754e7d1e9f
LummaStealer
b4554cf0100d5a04cfc2a3090419ff1f4fdc1d8f6264d24442cd39274aaa37e7
LummaStealer
bd4e2dd3ffc3977b2ca8f818c2e51c421a1f4772b4fe11a1aa8448dc50fddab2
LummaStealer
d2c7f4155786a209bdf84fb13f664fb283eaaeb7607d23ff4e5edae510f1ecd8
LummaStealer
+ 41 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/231107-wlawvacg3z/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
.NET Reactor proctector
Loads dropped DLL
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
10adabbb17738c54863a124e61b3b479f4d2b82a43824e5f0b00aa75ab75c2e4
MD5 hash:
726dbae365475f88c87210db24c78f29
SHA1 hash:
d2a9df492a60c0ac8e8edf9bf60009edd7c5db33
Link:
https://www.unpac.me/results/96a03bb8-d56a-4b11-8d0f-b0341704cb3d/
SH256 hash:
63366bb58836a4d9fc6a7fb5632ce6aeb52fd2ec57ea5d766b27bfedf7b7deee
MD5 hash:
a6810a5899b5a89ee483c9e94dacb015
SHA1 hash:
c787d081f7534936636b17d94ecee651fd64fdac
Link:
https://www.unpac.me/results/96a03bb8-d56a-4b11-8d0f-b0341704cb3d/
SH256 hash:
6a26df7ee49de6fec6c5de1f3f7a94075d2dfbc50922e3b30fd8111f2e734f33
MD5 hash:
f45c1512d5a47375e6e396b4d1111e58
SHA1 hash:
8af036b8c60d10e85cf82212930bb04bc0553f36
Link:
https://www.unpac.me/results/96a03bb8-d56a-4b11-8d0f-b0341704cb3d/
SH256 hash:
dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
MD5 hash:
544cd51a596619b78e9b54b70088307d
SHA1 hash:
4769ddd2dbc1dc44b758964ed0bd231b85880b65
Link:
https://www.unpac.me/results/96a03bb8-d56a-4b11-8d0f-b0341704cb3d/
SH256 hash:
3af3b5c9e7f125da0ac4c1618244575f2201182983c2e97a0e93c595d19859be
MD5 hash:
be98e053dcc1e3b5c407dfcea6fc1cd0
SHA1 hash:
8e3edc91aab69abcc7971d50aa879b11c37a8849
Link:
https://www.unpac.me/results/96a03bb8-d56a-4b11-8d0f-b0341704cb3d/
SH256 hash:
b4554cf0100d5a04cfc2a3090419ff1f4fdc1d8f6264d24442cd39274aaa37e7
MD5 hash:
d6c5a82b87c6fe784a5ab3421ca6bf9e
SHA1 hash:
fee80e256b940f46db0ab6088a059378566f7ba2
Link:
https://www.unpac.me/results/96a03bb8-d56a-4b11-8d0f-b0341704cb3d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4554cf0100d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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.

anyrun
any.run
https://app.any.run/tasks/9dc8a170-a7f7-4778-bfc3-f1f7d3f7a2b3

Comments