MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81b16b8e152322da3b81e7703e430c77d3f06e53b0ba24a5a82e0c3e371c9a21. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81b16b8e152322da3b81e7703e430c77d3f06e53b0ba24a5a82e0c3e371c9a21
SHA3-384 hash: c451f60459ae20231fc631de8cf65caa6e82fdfb10ffd085650fd0701c49b51f1c74d0beae37cbb6e0f5826bac237e7d
SHA1 hash: c37f16cecc342c1f9361a759c1f232f069a8fba6
MD5 hash: 16685b20847f33924fb8d849229c41f0
humanhash: bulldog-comet-muppet-ceiling
File name:16685b20847f33924fb8d849229c41f0.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:185'344 bytes
First seen:2023-02-01 14:39:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a15f46648d9363aa7d2886234670aa70 (1 x LummaStealer)
ssdeep 3072:5BnBuDhmb9H7V1oVt3J1HsgujusEAqFlxM7bYyaAWxLYWG21N41AnLPW2A5kVXDO:fADwHqdskF28AWhYWX1NoAn51o
Threatray 28 similar samples on MalwareBazaar
TLSH T1C5047B15B8D2C031E5731A3206F4D7706A7D7E301FA259EF6B605BAE9E306C19620F6B
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
16685b20847f33924fb8d849229c41f0.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 14:43:58 UTC
Tags:
trojan
Link:
https://app.any.run/tasks/570aa9b6-414a-4baf-aa84-d97cca535bca

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/359061/
Detection(s):
SecuriteInfo.com.Variant.Lazy.278394.24751.2995.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Reading critical registry keys
Stealing user critical data
Sending an HTTP POST request to an infection source
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/64519/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Unknown
Threat level:
  0/10
Confidence:
75%
Tags:
evasive stealer
Link:
https://www.filescan.io/uploads/63da79c6416d38777a7a6c46/reports/396a143d-bc78-467e-a94c-89b28071f009/overview
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:
LummaC2 Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d6e51883-65e2-49d9-b991-5572695a27d2
Result
Threat name:
LummaC Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1163281
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81b16b8e152322da3b81e7703e430c77d3f06e53b0ba24a5a82e0c3e371c9a21/
Threat name:
Win32.Trojan.Lazy
Create hunting rule
Status:
Malicious
First seen:
2023-01-31 18:38:56 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgywxdqvemrnuo4b45yd4qymo7j7a3stwc5cjjnifygd4ny4tiqq._file
Verdict:
malicious
Similar samples:
0f40b111497b78b928a42f3c4f2e0c988be7ee5b3b0d523300685b75a2aadf06
LummaStealer
3419f8887e6f4a2e3520510e30a24c383364e26930329d911c2c40207dab096b
LummaStealer
6b8838ea9bff0a51596fe3c2b77b3b0a5402c23cc87692d3648d8f4a28ce705d
LummaStealer
72d6cd338baba81b7cef1bcd1ea4eed199adcce0ac57fe1e674527ad7258ea8d
LummaStealer
781b268a96c09be7b60c94eb48f0343e56b79bbf2a86e05b0547bd095784f4dc
LummaStealer
7a9f4a82a6d02681b4262765e66177ed7198fed403e768bed1d28987974f8be0
LummaStealer
7d359b225b46708af6be5f37ee7c1c8f7f2106d0aa0dc1964773ac677e9aa2cb
LummaStealer
c516fc3286df7ec543273f5cce533a9d356c56ab014c2d92337ba420712da32c
LummaStealer
c837a63ce5b9c5828fbf262e570947fbdc78ef081411f1cd0f22bd534ef55788
LummaStealer
fd8cd7be845f1373752fdeefccedf44c6bc855deaeac2e682f6b0d910301689e
LummaStealer
+ 18 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/230201-r1wdwaab32/
Behaviour
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
81b16b8e152322da3b81e7703e430c77d3f06e53b0ba24a5a82e0c3e371c9a21
MD5 hash:
16685b20847f33924fb8d849229c41f0
SHA1 hash:
c37f16cecc342c1f9361a759c1f232f069a8fba6
Link:
https://www.unpac.me/results/556d4f76-9fd5-42ee-802e-83f773c975cf/
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/81b16b8e152322da3b81e7703e430c77d3f06e53b0ba24a5a82e0c3e371c9a21

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_lumma
Create hunting rule
Author:GovCERT.ch
Description:Matches unpacked Lumma stealer samples

File information

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

Web download

LummaStealer

Executable exe 81b16b8e152322da3b81e7703e430c77d3f06e53b0ba24a5a82e0c3e371c9a21

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2525258/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/359061/

Comments