MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a339775bd331c2bac7f1e0152dbdd6d8037ef2098a6b455b1cce45107cb5e6e. 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: 11


Intelligence 11 IOCs 1 YARA 2 File information Comments

SHA256 hash: 8a339775bd331c2bac7f1e0152dbdd6d8037ef2098a6b455b1cce45107cb5e6e
SHA3-384 hash: 3fa3696867d9172d35d0e8f69662407afc697f360e819c75efc0d70e347f14e3c175947e1071de79d9a08f822fd2db2f
SHA1 hash: 70a550c5d3ed62257fd1dfd9213a99444104d69b
MD5 hash: ce1250f42f8fa8bc70082cf2b591c471
humanhash: twelve-william-oregon-don
File name:Remittance AdviceInvoice and parking List pdf.exe
Download: download sample
Signature NetWire
File size:1'050'624 bytes
First seen:2022-10-07 08:10:44 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 12288:O2iNzJLbODG3PnKgGtW07tZMtQ/VP/281jPRSPCfdrXPm3u:O1fukPnvt0ZZ4Q/VP/28OPCN+3
Threatray 1'747 similar samples on MalwareBazaar
TLSH T1032559BA21C55107E8257235D887E1F32AFBAD606161D1CB6AD73F6FBC401BB911338A
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)
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire C2:
103.150.8.20:8839

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
103.150.8.20:8839 https://threatfox.abuse.ch/ioc/872155/

Intelligence


File Origin
# of uploads :
1
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Initial sample is a PE file and has a suspicious name
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)
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected NetWire RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 718126 Sample: Remittance AdviceInvoice an... Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 11 other signatures 2->49 7 Remittance AdviceInvoice and parking List pdf.exe 7 2->7         started        11 ATtzwttIOonXlr.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\ATtzwttIOonXlr.exe, PE32 7->31 dropped 33 C:\...\ATtzwttIOonXlr.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp73AF.tmp, XML 7->35 dropped 37 Remittance AdviceI...ng List pdf.exe.log, ASCII 7->37 dropped 51 Adds a directory exclusion to Windows Defender 7->51 13 Remittance AdviceInvoice and parking List pdf.exe 2 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        53 Machine Learning detection for dropped file 11->53 55 Injects a PE file into a foreign processes 11->55 21 ATtzwttIOonXlr.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 41 kimlee11.duckdns.org 103.150.8.20, 49696, 49697, 8839 XTOM-AS-JPxTomJP unknown 13->41 39 C:\Users\user\AppData\Roaming\...\sqlite3.dll, PE32 13->39 dropped 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 23->29         started        file8 process9
Threat name:
Win32.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-10-07 08:11:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
17 of 26 (65.38%)
Threat level:
  2/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:netwire botnet rat stealer
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:
kimlee11.duckdns.org:8839
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
39f2c4031ecff8c7fd03e08c857b52d22ff7cf7cd119ec2f548dbf8b29fb1aca
MD5 hash:
1991bcddb068d5acb097932dca8b7ce4
SHA1 hash:
48023f670aab002302e010333ba9bb3ffb127508
SH256 hash:
306519b86bf52846240fdb4f7fb703b9bd7e14ae798b2448ad5c213311c27d13
MD5 hash:
07fec1582c1ab9fa29a865a758e66cd5
SHA1 hash:
408179e2ddac73eea26e9cacdb47b9f924fb4e82
Detections:
Netwire win_netwire_g1
SH256 hash:
1383999cb3682a0a0a54fad8a8e3f0fda2d4ce6422fa35286cece258aa1844a1
MD5 hash:
d891ee2f90e3392ee593067a038f3335
SHA1 hash:
347e96ac60f38938b0061ce5c21bec28c87f71f9
SH256 hash:
7fe3aaeebdd46c3e20620fa3d6d84f23f7e0ca9c68e5225a400ee1f32d74687b
MD5 hash:
39d66b6fe1a5084d6b3a37c5138bc7c8
SHA1 hash:
0f0be80d52aef13816f4c98695b1cee4afa59193
Detections:
win_netwire_g1
SH256 hash:
edadc813f4440ada276da601d8f31780e5e138b8ee392e3f49a509322a1fb51e
MD5 hash:
574597554c69083c1af2b742a97a92b6
SHA1 hash:
043eea660b8650c5a0042f842fd8db3516d37a2c
SH256 hash:
8a339775bd331c2bac7f1e0152dbdd6d8037ef2098a6b455b1cce45107cb5e6e
MD5 hash:
ce1250f42f8fa8bc70082cf2b591c471
SHA1 hash:
70a550c5d3ed62257fd1dfd9213a99444104d69b
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments