MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8e538a1d561cdae7c44e0e722e114c9f9e71bf30a6aa1ddbfca6d4998796ba. 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: 10


Intelligence 10 IOCs YARA 12 File information Comments
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SHA256 hash: bf8e538a1d561cdae7c44e0e722e114c9f9e71bf30a6aa1ddbfca6d4998796ba
SHA3-384 hash: be451ebb7786453ab77983803d89e07aa21d0b648eeedd583bcd293201139f4bedfd50964b621b9ac068b559a3a0c38f
SHA1 hash: 6d8a2bc0edaf5625a60c89eb6253771535b8825b
MD5 hash: e2d98afdd03d3019db501fdb80f8a63f
humanhash: ink-illinois-video-island
File name:bf8e538a1d561cdae7c44e0e722e114c9f9e71bf30a6aa1ddbfca6d4998796ba
Download: download sample
Signature NetWire
Create hunting rule
File size:15'728'640 bytes
First seen:2020-11-13 15:49:44 UTC
Last seen:2024-07-24 21:04:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 130312efe8892496180179ce46d20b79 (7 x NetWire, 2 x DarkComet, 2 x ModiLoader)
ssdeep 393216:nPx29qCgUoy6zazRpmIOddiP9WGjP6xL970tmTQG:PxGq/Nzadpwd49WGjP6t97AG
Threatray 40 similar samples on MalwareBazaar
TLSH 67F633B13282ED6AE0E726744A64C46029EE7C1D7CA146DE32D1770DFDF189C9C1E7A8
Reporter seifreed
Tags:NetWire

Intelligence

File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Packed.Emotet-9790742-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% directory
Creating a process from a recently created file
Launching a process
Creating a file in the %temp% subdirectories
Running batch commands
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
Creating a file
DNS request
Forced system process termination
Deleting a recently created file
Creating a file in the %AppData% subdirectories
Connection attempt
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Connection attempt to an infection source
Blocking the Windows Defender launch
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
Remcos NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/536518
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the startup folder
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NetWire
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected Netwire RAT
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 317358 Sample: Kpw6TB725f Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 71 dico.is-a-liberal.com 2->71 101 Malicious sample detected (through community Yara rule) 2->101 103 Antivirus detection for dropped file 2->103 105 Multi AV Scanner detection for dropped file 2->105 107 8 other signatures 2->107 9 Kpw6TB725f.exe 3 10 2->9         started        12 InstallMui.exe 2->12         started        15 installui.exe 2->15         started        signatures3 process4 file5 65 C:\Users\user\AppData\RoamingbookRplg.exe, PE32 9->65 dropped 67 C:\Users\user\AppData\...bookReaderMui.exe, PE32 9->67 dropped 69 C:\Users\user\AppData\RoamingbookNplg.exe, PE32 9->69 dropped 17 EbookRplg.exe 4 9->17         started        21 EbookNplg.exe 4 9->21         started        23 EbookReaderMui.exe 8 9->23         started        25 AcroRd32.exe 37 9->25         started        113 Writes to foreign memory regions 12->113 115 Allocates memory in foreign processes 12->115 117 Injects a PE file into a foreign processes 12->117 27 RegAsm.exe 12->27         started        signatures6 process7 file8 61 C:\Users\user\AppData\...\installui.exe, PE32 17->61 dropped 87 Antivirus detection for dropped file 17->87 89 Multi AV Scanner detection for dropped file 17->89 91 Machine Learning detection for dropped file 17->91 93 Injects a PE file into a foreign processes 17->93 29 RegAsm.exe 2 4 17->29         started        63 C:\Users\user\AppData\...\InstallMui.exe, PE32 21->63 dropped 95 Drops PE files to the startup folder 21->95 97 Writes to foreign memory regions 21->97 99 Allocates memory in foreign processes 21->99 33 RegAsm.exe 21->33         started        35 cmd.exe 1 23->35         started        37 conhost.exe 23->37         started        39 RdrCEF.exe 25->39         started        41 AcroRd32.exe 8 6 25->41         started        signatures9 process10 dnsIp11 75 zeusnodie.mypets.ws 29->75 77 roxy.dynalias.net 29->77 83 5 other IPs or domains 29->83 119 Contains functionality to steal Chrome passwords or cookies 29->119 121 Contains functionality to capture and log keystrokes 29->121 123 Contains functionality to inject code into remote processes 29->123 125 Contains functionality to steal Firefox passwords or cookies 29->125 79 dico.is-a-liberal.com 41.223.191.211, 3297, 9702 AFNET-ASCI unknown 33->79 81 zeusnodie.mypets.ws 33->81 85 4 other IPs or domains 33->85 127 Uses cmd line tools excessively to alter registry or file data 35->127 43 reg.exe 1 1 35->43         started        46 reg.exe 35->46         started        48 reg.exe 1 35->48         started        59 11 other processes 35->59 50 RdrCEF.exe 39->50         started        53 RdrCEF.exe 39->53         started        55 RdrCEF.exe 39->55         started        57 RdrCEF.exe 39->57         started        signatures12 process13 dnsIp14 109 Disables Windows Defender (deletes autostart) 43->109 111 Disable Windows Defender real time protection (registry) 46->111 73 80.0.0.0 NTLGB United Kingdom 50->73 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf8e538a1d561cdae7c44e0e722e114c9f9e71bf30a6aa1ddbfca6d4998796ba/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-13 15:57:55 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6hfhcq5kyonvz6ejyhhelqrjspz44n7gctkuho37stnjgmhs25a._file
Verdict:
malicious
Similar samples:
01f936785968394ba82a93a816c897d77879a247b12621b42e12b2a7592a4f6d
NetWire
05a8800b05cf0c4293f9dcc297873f36691161746aec7b65e31b0e32c8f0bebb
NetWire
07d34ae6bb632f04345eb39f5b4221f9a7e37145c55350222fcf191778a28d5e
NetWire
09f671389b1751b349057fbb454c9a8263e95fbb8af54f47a016abad4a925472
NetWire
28d1ce2d141fcfc52b6b8a81f5424920ba2818a14e8ac201446697ff977082de
NetWire
329e8814efa351d1c58c275981a39cf0a9ef0f50d8eb8db9bbb8f70020d75204
NetWire
3ae3550b6baf30136ce9b846725c3322f23ee8428c2984750a2cfe02843993e9
NetWire
3eb825e55857afc9c56dd4357f4223632fb5f5bb96d3acff8e444278e373eefb
NetWire
6b9866969b0dcd61b84d7251526d527c48226564d6681db44bacc9c538538d35
NetWire
8f60548d2cde9e0681d8609aef71f51c820073a2a70e75bfa0fa56e3890d94e0
NetWire
+ 30 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:netwire family:remcos botnet evasion persistence rat stealer trojan
Link:
https://tria.ge/reports/201113-55mqghy5rx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious use of FindShellTrayWindow
Modifies service
Suspicious use of SetThreadContext
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Defender Real-time Protection settings
Modifies security service
NetWire RAT payload
Netwire
Remcos
Malware Config
C2 Extraction:
roxy.dynalias.net:3297
regiskm67.buyshouses.net:3297
dico.is-a-liberal.com:3297
neverdiemosole.is-a-doctor.com:3297
zeusnodie.mypets.ws:3297
nvdiedicobies.is-a-hard-worker.com:3297
nvdieroxy.kicks-ass.net:3297
nvdiedicozeuse.webhop.org:3297
Unpacked files
SH256 hash:
bf8e538a1d561cdae7c44e0e722e114c9f9e71bf30a6aa1ddbfca6d4998796ba
MD5 hash:
e2d98afdd03d3019db501fdb80f8a63f
SHA1 hash:
6d8a2bc0edaf5625a60c89eb6253771535b8825b
Link:
https://www.unpac.me/results/0ce7acde-192a-4436-8c23-e97f1b035623/
SH256 hash:
99ca0db59e7b30d7e2594666a50222960f3c539151afff8744a1fad5e02057d7
MD5 hash:
96704a9e15be3e3d8ee8d32fa7823fdd
SHA1 hash:
1cf0de1b6a7d2b2f10173f1e15810a36c053b351
Link:
https://www.unpac.me/results/0ce7acde-192a-4436-8c23-e97f1b035623/
SH256 hash:
32a39bff6312d486e20451ac8f69d266c0646f4e0d222166261b16c34dd05490
MD5 hash:
3a10ed155b8334218bfad44c4abeb446
SHA1 hash:
fa9f459d7934599ee4a93f75c64b182632817716
Detections:
win_netwire_g1
Create hunting rule
Link:
https://www.unpac.me/results/0ce7acde-192a-4436-8c23-e97f1b035623/
SH256 hash:
085090f4af0beb3170d27ec84f9a7b792c09a743bd02ca954c389e89ab865ad7
MD5 hash:
a455a94d755c578f06298a3e2eaa712b
SHA1 hash:
f155b23f35775bca114afc19ed75d22409bd4676
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/0ce7acde-192a-4436-8c23-e97f1b035623/
Parent samples :
daedd0017e4c1d2488d55bd08172c84420577c6c0a1d617d4c1c455870012bc4
bf8e538a1d561cdae7c44e0e722e114c9f9e71bf30a6aa1ddbfca6d4998796ba
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Babar
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/bf8e538a1d561cdae7c44e0e722e114c9f9e71bf30a6aa1ddbfca6d4998796ba

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Malicious_BAT_Strings
Create hunting rule
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:MAL_unspecified_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects unspecified malware sample
Reference:Internal Research
Rule name:netwire
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect netwire in memory
Reference:internal research
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Suspicious_BAT_Strings
Create hunting rule
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

  
Delivery method
Other

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