MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81d58cd2a4c65d0d40052e6c5adfe1fb3977710d6b09cc70d15549c16936f4b8. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81d58cd2a4c65d0d40052e6c5adfe1fb3977710d6b09cc70d15549c16936f4b8
SHA3-384 hash: 3824d8ffefa49b145932edd1692a43408640b091b7b9f251b82b2e045ddc7e7783006c2b7502f7ed99b61d3387a6d8b9
SHA1 hash: 3bdcbd8da0f1a844cf8efa0373e55b8bf9bb0009
MD5 hash: 8a760c33ac1d7e804d861b6890fe600e
humanhash: east-neptune-vermont-carbon
File name:SRV7387387.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:754'176 bytes
First seen:2021-11-08 04:16:55 UTC
Last seen:2021-11-08 08:36:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:mFohsYXw6RCcRum+fAgPNKFV2h5BhvnYjp5wylG/:QYA6TRuDtPNKFsh5BhvnYjp5wylG/
TLSH T172F45B099AD44D19C37E03705429A06CDE615E7B663CC258BF8E36AF3B7BA10865373B
dhash icon ae53d212daccccca (8 x Formbook, 4 x AsyncRAT, 1 x NetWire)
Reporter GovCERT_CH
Tags:exe NetWire

Intelligence

File Origin
# of uploads :
2
# of downloads :
383
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://malshare.com/sample.php?action=detail&hash=8a760c33ac1d7e804d861b6890fe600e
Verdict:
Malicious activity
Analysis date:
2021-11-08 10:07:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c7cf44b2-86ad-4f51-808d-0f2d2d3a51c3

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/203133/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.18890.951.3539.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6188a4c143a4f7480912dd4a/reports/9febcaa2-3e08-483b-a2f7-c3e6bb43f5a7/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1b856987-a7e2-4b7f-9766-29bf58b5c2a0
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/884961
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81d58cd2a4c65d0d40052e6c5adfe1fb3977710d6b09cc70d15549c16936f4b8/
Threat name:
Win32.Backdoor.NetWired
Create hunting rule
Status:
Malicious
First seen:
2021-11-08 04:17:05 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhkyzuveyzoq2qaffzwfvx7b7m4xo4innme4y4grkve4c2jw6s4a._file
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet rat stealer
Link:
https://tria.ge/reports/211108-ewdbaabcc5/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
NetWire RAT payload
Netwire
Malware Config
C2 Extraction:
podzeye.duckdns.org:3360
Unpacked files
SH256 hash:
477193b224b78494343d47a8ce2806ef86d686b92f48f0f5dab150e856bdbacb
MD5 hash:
d3e4ed76b99ac5917b794547dc12c469
SHA1 hash:
cdd728ecc15ad598bfc33d6d542fe872eb343562
Detections:
win_netwire_g1
Create hunting rule
win_netwire_auto
Create hunting rule
Link:
https://www.unpac.me/results/10d39f8f-4275-47d5-9a23-c2033ff466fc/
Parent samples :
81d58cd2a4c65d0d40052e6c5adfe1fb3977710d6b09cc70d15549c16936f4b8
f27befc2a68445ed017caa24f7601a3d1e2ed4bf12a8b78bc0856bbfd94fdb3e
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/10d39f8f-4275-47d5-9a23-c2033ff466fc/
SH256 hash:
5d1485fd8bda2ec94753909554c4ce5124646879cdad3798450d3098680015be
MD5 hash:
73f50ba01c5521d6c2bb30810dd7e9eb
SHA1 hash:
438d8706e7364c5f6f5b01ca3ebca09acfe38f06
Link:
https://www.unpac.me/results/10d39f8f-4275-47d5-9a23-c2033ff466fc/
SH256 hash:
81d58cd2a4c65d0d40052e6c5adfe1fb3977710d6b09cc70d15549c16936f4b8
MD5 hash:
8a760c33ac1d7e804d861b6890fe600e
SHA1 hash:
3bdcbd8da0f1a844cf8efa0373e55b8bf9bb0009
Link:
https://www.unpac.me/results/10d39f8f-4275-47d5-9a23-c2033ff466fc/
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/81d58cd2a4c65d0d40052e6c5adfe1fb3977710d6b09cc70d15549c16936f4b8

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: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.

Malspam

NetWire

Executable exe 81d58cd2a4c65d0d40052e6c5adfe1fb3977710d6b09cc70d15549c16936f4b8

(this sample)

  
Dropped by
netwire
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/203133/

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