MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 903fcbe9b6917a3611512b4074623dc02233f226da3498a0f17102cf6a8c8206. 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


Nymaim


Vendor detections: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 903fcbe9b6917a3611512b4074623dc02233f226da3498a0f17102cf6a8c8206
SHA3-384 hash: d309555ec8e3d3081b040ebc272edddc2e639957f2b6011f349162a13e573e147383bfc87f8ebb3694ad633c7b260698
SHA1 hash: ecb7cfb075336b234c0cec65c453780e50243776
MD5 hash: df52c247ac17f9f38765ab0b0f79e52c
humanhash: undress-saturn-beer-dakota
File name:df52c247ac17f9f38765ab0b0f79e52c.exe
Download: download sample
Signature Nymaim
Create hunting rule
File size:297'984 bytes
First seen:2024-02-19 08:08:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fe67952be52176c9a9a2c455c047beed (3 x Nymaim, 1 x Smoke Loader, 1 x Stop)
ssdeep 6144:biZlRS0bUI7pfi6tbH7RsNmhGZL27PUq:saqftsN5g
TLSH T17954D012B6B0DC36CADA56314834C6F9267A7C325A24A68BB7A43F6F7D306D16731307
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 9224ecd8e478b142 (1 x Nymaim)
Reporter abuse_ch
Tags:exe NyMaim

Intelligence

File Origin
# of uploads :
1
# of downloads :
295
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/476726/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/65d30ca2b7fbcf60a474c766/reports/d161557b-5a55-495a-9769-b80216dc2844/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/903fcbe9b6917a3611512b4074623dc02233f226da3498a0f17102cf6a8c8206
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/afc88cd0-382b-4fed-92d4-f02ab014cf28
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1394313
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1394313 Sample: 7y7ibNTgyM.exe Startdate: 19/02/2024 Architecture: WINDOWS Score: 60 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected Nymaim 2->23 25 Machine Learning detection for sample 2->25 6 7y7ibNTgyM.exe 14 2->6         started        process3 file4 17 C:\Users\...\dotnet-runtime-8.0.1-win-x86.exe, PE32 6->17 dropped 19 C:\...\dotnet-runtime-8.0.1-win-x86[1].exe, PE32 6->19 dropped 9 WerFault.exe 16 6->9         started        11 WerFault.exe 16 6->11         started        13 WerFault.exe 19 16 6->13         started        15 4 other processes 6->15 process5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/903fcbe9b6917a3611512b4074623dc02233f226da3498a0f17102cf6a8c8206/
Threat name:
Win32.Trojan.RedLine
Create hunting rule
Status:
Malicious
First seen:
2024-02-18 20:58:40 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sa74x2nwsf5dmekrfnahiyr5yardh4rg3i2jrihroebm62umqida._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/240219-j1421sbd82/
Behaviour
Program crash
Downloads MZ/PE file
Unpacked files
SH256 hash:
3d7acc666b99eff985507c8504a8b71d9c7ba1f10897e17fce86f87c87205745
MD5 hash:
11f5d9469df1f58116b42ce8b78239a3
SHA1 hash:
d859b09b58d49f5292d05a7679cbf9cbe6dde502
Link:
https://www.unpac.me/results/1440d884-6157-4dbc-bda5-38e0f24f3002/
SH256 hash:
903fcbe9b6917a3611512b4074623dc02233f226da3498a0f17102cf6a8c8206
MD5 hash:
df52c247ac17f9f38765ab0b0f79e52c
SHA1 hash:
ecb7cfb075336b234c0cec65c453780e50243776
Link:
https://www.unpac.me/results/1440d884-6157-4dbc-bda5-38e0f24f3002/
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/903fcbe9b6917a3611512b4074623dc02233f226da3498a0f17102cf6a8c8206

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

File information

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

Web download

Nymaim

Executable exe 903fcbe9b6917a3611512b4074623dc02233f226da3498a0f17102cf6a8c8206

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2755634/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/476726/

Comments