MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a21c8ef38b35eda08af936729863498ead8f750de997bc2d55ff9da429872e33. 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


NetWire


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a21c8ef38b35eda08af936729863498ead8f750de997bc2d55ff9da429872e33
SHA3-384 hash: 9ac92296c7e873518951ae06ff0cb846a5ca6c60d50d10b200be95728799460dbb78b3d30200c0965a80aa916df08b86
SHA1 hash: 55bc3eef779242d725b1e714b68b3af0ab2c9dc4
MD5 hash: 22ce18519278ff29a5be2234046ab841
humanhash: december-asparagus-quebec-cardinal
File name:22ce18519278ff29a5be2234046ab841.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:1'033'216 bytes
First seen:2022-10-27 08:30:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:OxU9yhM92fhwRIcseNhxZlmF14/H/TMEVoCN:mhMofmueNk+fTMioC
Threatray 4'064 similar samples on MalwareBazaar
TLSH T12325AD26325F4F07E4DACEB4A4B1D4B017624C7BA96DCBC5CAC4ACF778962E4694E043
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe NetWire RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
netwire
Create hunting rule
ID:
1
File name:
22ce18519278ff29a5be2234046ab841.exe
Verdict:
Malicious activity
Analysis date:
2022-10-27 08:32:19 UTC
Tags:
trojan rat netwire
Link:
https://app.any.run/tasks/a1c9c8a0-10b5-45a2-9dff-c443f8b4302f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NetWire
Create hunting rule
Link:
https://www.capesandbox.com/analysis/324775/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.47129.21074.9640.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
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:
NetWire RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f772e8fc-31e1-4689-9e2b-fc81b0ecfda5
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1099118
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NetWire
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Netwire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 731769 Sample: LTGl3hzxUV.exe Startdate: 27/10/2022 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 7 LTGl3hzxUV.exe 7 2->7         started        11 vbbmTzmCj.exe 5 2->11         started        process3 file4 34 C:\Users\user\AppData\Roaming\vbbmTzmCj.exe, PE32 7->34 dropped 36 C:\Users\...\vbbmTzmCj.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\Temp\tmp47E.tmp, XML 7->38 dropped 40 C:\Users\user\AppData\...\LTGl3hzxUV.exe.log, ASCII 7->40 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 Adds a directory exclusion to Windows Defender 7->54 56 Injects a PE file into a foreign processes 7->56 13 LTGl3hzxUV.exe 2 7->13         started        16 powershell.exe 19 7->16         started        18 schtasks.exe 1 7->18         started        58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 20 schtasks.exe 1 11->20         started        22 vbbmTzmCj.exe 11->22         started        24 vbbmTzmCj.exe 11->24         started        signatures5 process6 dnsIp7 42 212.193.30.230, 3363, 49700, 49701 SPD-NETTR Russian Federation 13->42 26 conhost.exe 16->26         started        28 conhost.exe 16->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a21c8ef38b35eda08af936729863498ead8f750de997bc2d55ff9da429872e33/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-10-27 08:31:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
21 of 26 (80.77%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uioi544lgxw2bcxzgzzjqy2jr2wy65in5gl3ylkv76o2ikmhfyzq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
2abcdb606044f4db592baa3f9c808bf4fcab2146c49d83ba45a4ccbb20bc8354
NetWire
5e6ed3f0eda07ab20f0de1f4c2f9e355a558de4f53b1f81cadae2f3b2d4609a4
NetWire
6e8bf76b6d1f39b8366169c0cd6dc4bee0946973b8f5c64baf7fd1bfd1846731
NetWire
8dda840eccb53427037b3a06dd5f886c78e6e55fe69d96b256b05176e85172db
NetWire
b002c64f7d0ff0a952b72f31609e683f17bb23313417f6639afdec47d9187b25
NetWire
f3ba07ea43adc68f25d26028ec31b752001be473d77b69d5c89e1ef393d37812
NetWire
ff522148c553515ff4fcec77ffa6e2140c1c8faae3006133f5b82a0f1b8019dd
NetWire
+ 4'054 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet rat stealer
Link:
https://tria.ge/reports/221027-keqg6sbee4/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
NetWire RAT payload
Netwire
Malware Config
C2 Extraction:
212.193.30.230:3363
212.193.30.230:3362
Gathering data
Unpacked files
SH256 hash:
7b3721f78f5344f1003ee98223878d2a9d2a93e958cf81d486554a5dbf4b66d8
MD5 hash:
fc4c099c7940082ae29de35de1b294f7
SHA1 hash:
b8dcf0ac314384f218b1a9961f98b0c5f75c8b67
Link:
https://www.unpac.me/results/6ae61a03-25f5-4d85-abab-4720228f297c/
SH256 hash:
2343c1133087f07eb95d8f4e6d73b3eae0c5a70aa5cd55f45812e1d9f69f56cf
MD5 hash:
8dc8cba3ab063806e1c0fc713d2a2647
SHA1 hash:
aabc81111d4a5847480b7b97c8eb7c0feebefdb1
Detections:
Netwire
Create hunting rule
win_netwire_auto
Create hunting rule
win_netwire_g1
Create hunting rule
Link:
https://www.unpac.me/results/6ae61a03-25f5-4d85-abab-4720228f297c/
Parent samples :
71e65562e00447d697f996d69ffc7798d96cf2b4799f27a298ce710730802428
a21c8ef38b35eda08af936729863498ead8f750de997bc2d55ff9da429872e33
bc0a8e730ebbe66a98f6aa755671661158a982983898e45d306f79ec608250fe
f6226702ec3ded25ec5e0d7d1cbaae386540e990857ec7604ec93284113b4897
SH256 hash:
6309b87e5815c7dc535f4f4e97bb715f00a7ff546aa329f2878d6d82c8092c10
MD5 hash:
a948cc5a74c96a49e9d243ceeb4d66f2
SHA1 hash:
a05133aa96f41d6bd6bdf1815e15da15799e25e6
Link:
https://www.unpac.me/results/6ae61a03-25f5-4d85-abab-4720228f297c/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/6ae61a03-25f5-4d85-abab-4720228f297c/
SH256 hash:
742d3d3970ae564806041e7465d4a3162601db0587d88580ae7af8be2fdf3f31
MD5 hash:
a9268c21f195db71ba6da34dbeb32b62
SHA1 hash:
2222307b93bff1e678f7caf5bcc4a1d2ee19c3c7
Link:
https://www.unpac.me/results/6ae61a03-25f5-4d85-abab-4720228f297c/
SH256 hash:
a21c8ef38b35eda08af936729863498ead8f750de997bc2d55ff9da429872e33
MD5 hash:
22ce18519278ff29a5be2234046ab841
SHA1 hash:
55bc3eef779242d725b1e714b68b3af0ab2c9dc4
Link:
https://www.unpac.me/results/6ae61a03-25f5-4d85-abab-4720228f297c/
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/a21c8ef38b35eda08af936729863498ead8f750de997bc2d55ff9da429872e33

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:pe_imphash
Create hunting rule
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.

Web download

NetWire

Executable exe a21c8ef38b35eda08af936729863498ead8f750de997bc2d55ff9da429872e33

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2229648/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/324775/

Comments