MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 951ab00dc85e3e85f785a53b6be93ae78b49c2a33c4fa0006097372a94cb59dc. 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


NanoCore


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 951ab00dc85e3e85f785a53b6be93ae78b49c2a33c4fa0006097372a94cb59dc
SHA3-384 hash: fe2a1fffffcffafd594ac94cf734da894da005ba85ad58ccbbbc617c4481c9c67b2e765e23f07e60e86c8c0a19009fb6
SHA1 hash: 57fb03491b97f9d8522337b53c892534450de20b
MD5 hash: 4bffc5a866da1a772c57d78cdc1e5fdf
humanhash: carbon-princess-kentucky-december
File name:RFQ23789.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:909'312 bytes
First seen:2022-07-18 16:50:45 UTC
Last seen:2022-07-18 17:39:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:elhLuyyhirWEr6WmdYE84pFKakMVT7RUeI9Y:WLuyygrtmp84RrVT7RUZY
Threatray 6'040 similar samples on MalwareBazaar
TLSH T1F515223772204A9AC06D5BB1D1324CE203716DC6A613FF261DC5BAE72933B549A0EBD7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/291651/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1449.26066.22863.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
fareit packed
Link:
https://www.filescan.io/uploads/62d58fb600d6e9040b569a18/reports/64bfe1be-8e0c-4666-8ac3-c52999330e41/overview
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:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/893c8d21-ae99-459f-ba39-3a9e1755bae4
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1035977
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: NanoCore
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 Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 668471 Sample: RFQ23789.exe Startdate: 18/07/2022 Architecture: WINDOWS Score: 100 79 Snort IDS alert for network traffic 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus detection for URL or domain 2->83 85 14 other signatures 2->85 8 RFQ23789.exe 7 2->8         started        12 RFQ23789.exe 4 2->12         started        14 dhcpmon.exe 2->14         started        16 dhcpmon.exe 2->16         started        process3 file4 67 C:\Users\user\AppData\...\zpQLtuRGZOs.exe, PE32 8->67 dropped 69 C:\Users\...\zpQLtuRGZOs.exe:Zone.Identifier, ASCII 8->69 dropped 71 C:\Users\user\AppData\Local\Temp\tmpFD6.tmp, XML 8->71 dropped 73 C:\Users\user\AppData\...\RFQ23789.exe.log, ASCII 8->73 dropped 89 Uses schtasks.exe or at.exe to add and modify task schedules 8->89 91 Adds a directory exclusion to Windows Defender 8->91 93 Injects a PE file into a foreign processes 8->93 18 RFQ23789.exe 1 14 8->18         started        23 powershell.exe 25 8->23         started        25 schtasks.exe 1 8->25         started        27 powershell.exe 12->27         started        29 schtasks.exe 12->29         started        33 4 other processes 12->33 31 powershell.exe 14->31         started        35 2 other processes 14->35 37 3 other processes 16->37 signatures5 process6 dnsIp7 75 derananocore.ddns.net 141.98.6.128, 1187, 49776 CMCSUS Germany 18->75 77 192.168.2.1 unknown unknown 18->77 61 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->61 dropped 63 C:\Users\user\AppData\Roaming\...\run.dat, data 18->63 dropped 65 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->65 dropped 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->87 39 schtasks.exe 1 18->39         started        53 2 other processes 18->53 41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 27->45         started        47 conhost.exe 29->47         started        49 conhost.exe 31->49         started        51 conhost.exe 35->51         started        55 2 other processes 37->55 file8 signatures9 process10 process11 57 conhost.exe 39->57         started        59 conhost.exe 53->59         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/951ab00dc85e3e85f785a53b6be93ae78b49c2a33c4fa0006097372a94cb59dc/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-07-15 09:36:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sunladoily7il54fuu5wx2j246futqvdhrh2aadas43svfgllhoa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
05bc56cb159caab754c2731681c216692778a76a375742856512190728e24921
NanoCore
0e519e0e3a0e92f7d7dc9b39de8d22b11acdee0d4413d2d9196b0eb8ef74e69f
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1fc4a0644a7d34526e2686b205e4d599d90e31c62f702468f26afffbadaff7c3
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4c15ff20f2843dcf836d49111ef6c3edf7f5580846eac6acda7a75da62629b56
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63f1b10c759ba99da98645bdc82e508012b7a6602945c991e42285d1e2ce7bf9
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7618bf00136b85af624ec2d4b10f52aca8d61cab901499e1abecf0af43f5eb8d
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838c8c2090fe5bda65dc44782f16ab7391afe32dc8e40d9e4ff478ff7b2876aa
NanoCore
8d3705b3e2f5235b90628ca4e92e40062fe407e4b8e035f9f1c67e8a33f72ac2
NanoCore
905bae9d7271d32a90cf3f3d6d4eb37ffd1f1dd203e4fa37dde320b0c4bf7fab
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f464ccabbb4252d3064034d5311d59f7e2525879cf9b6bf4b82ed27f2600dd90
NanoCore
+ 6'030 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220718-vcs6dsacf6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
derananocore.ddns.net:1187
194.87.84.135:1187
Unpacked files
SH256 hash:
4aa203c4c61c8c947f9b817319c45b3d49634791983647b2d8cfcd4dd86354eb
MD5 hash:
4904467cfd10eb3bc29548ba118e0cb9
SHA1 hash:
fe735fdb64b6508790115839aabf41f83fbfff31
Link:
https://www.unpac.me/results/17a8dee6-55c4-45af-896d-0559b7163b41/
SH256 hash:
fe46c824dbcff5537b7388ebc09dd8852a7fe8f3bc690ae2da245e0e2b01cb2e
MD5 hash:
8f921edbd8b92a84a7bcb306ebb1c86c
SHA1 hash:
a286d0abfb62a21a7e7ba9d30028d212cd107947
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/17a8dee6-55c4-45af-896d-0559b7163b41/
Parent samples :
838c8c2090fe5bda65dc44782f16ab7391afe32dc8e40d9e4ff478ff7b2876aa
55574f282bf7ca6ec118c1b23c25c52ee8cef783e03505f53ec3f45b0d9cc5be
4c15ff20f2843dcf836d49111ef6c3edf7f5580846eac6acda7a75da62629b56
951ab00dc85e3e85f785a53b6be93ae78b49c2a33c4fa0006097372a94cb59dc
8c0ff43e408c9ac58abaa4d75ec70945ae3cfcdf34d97da684f0723de8b521a1
d58c596621fcf7fe0514c4272a3567f427ab4392ce44febbb887b1bdecbe74fe
2b8929b1aa46a540455e96eca861b13e2915532c84baf7a416d40d6765fa94c0
9c997bb5941de96a571243b7621bf577514cdc9818eb79b1116601fc31f3a17b
234c80363a755782bf545da03646b88427f2ea8d3b03a052ef0cdc350984292d
7be1ebef9b8c89dfc78deeacec9dc9e919ad50a10db4a20d14a53e370a6fdef4
930bf3214ee99887f3a7f6396d1ee98ee9f127d557de53740447044c1def49c8
9a1142a3ac9fd836fd21c7f71026cb5714c8fe5d4c12e702b733f2b0350ed6e7
8eb1487d6baf8f4e54d3a40ae27965dd13ccb2cdc2eb02f8fe46a556fbe3af45
7c6d7c9a34ec05f4b0ee92eda6c98b49a40976e48528059237e4242b9533a1e1
17a0e81b66dbeee4b2774d04039fbe7768072a7eee3be560fd497f82e8e7ea3b
e68e26013f6d2a9abcb85314e4c310e738409c7da0af83134437b606a6d7beb6
SH256 hash:
883b63ef84c6b1cc09687962beca56e4f4b7960df7c5459e29998befaa3ccf15
MD5 hash:
ecb3f27eb8279c51608c8ea8f8050655
SHA1 hash:
82385d75444ab5fccacf37e2746c7dce73faa7f3
Link:
https://www.unpac.me/results/17a8dee6-55c4-45af-896d-0559b7163b41/
SH256 hash:
07a669badf12ee362884eca88c04ff18b102b9cf7b59653807fc451ad4e7b8fe
MD5 hash:
f6df51f6176af38265fd8933b3f473a7
SHA1 hash:
2c7549beab772727065d025417e42ad6840294b9
Link:
https://www.unpac.me/results/17a8dee6-55c4-45af-896d-0559b7163b41/
SH256 hash:
61cd7350cd0ebc935429937b8d86a8128fb8a684536c900422ad4ec9a275498a
MD5 hash:
6fb9f17408ae32f50bad5669befd0f7e
SHA1 hash:
2bdf9ee76eaa3aa9370364316dbd70056695e16e
Link:
https://www.unpac.me/results/17a8dee6-55c4-45af-896d-0559b7163b41/
SH256 hash:
951ab00dc85e3e85f785a53b6be93ae78b49c2a33c4fa0006097372a94cb59dc
MD5 hash:
4bffc5a866da1a772c57d78cdc1e5fdf
SHA1 hash:
57fb03491b97f9d8522337b53c892534450de20b
Link:
https://www.unpac.me/results/17a8dee6-55c4-45af-896d-0559b7163b41/
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/951ab00dc85e3e85f785a53b6be93ae78b49c2a33c4fa0006097372a94cb59dc

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.

Malspam

NanoCore

Executable exe 951ab00dc85e3e85f785a53b6be93ae78b49c2a33c4fa0006097372a94cb59dc

(this sample)

  
Dropped by
nanocore
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291651/

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