MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f618dcbc522a7fcd1b196f9af050ddd1c5cd8d16e460c26cdb1ada8af00f9021. 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: 14


Intelligence 14 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f618dcbc522a7fcd1b196f9af050ddd1c5cd8d16e460c26cdb1ada8af00f9021
SHA3-384 hash: e0a611796dc214207a2662143551c031eedfb48811d60959e9b853b15af872fb0fbd18bc343cd5bc7e20e2be6ae8169f
SHA1 hash: d9300060f509f90b8e1eda6d729a8bf8979c8747
MD5 hash: 410605711f1af39de382069ff148773c
humanhash: fillet-hawaii-river-three
File name:urgent purchase order.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:640'000 bytes
First seen:2022-05-04 05:16:05 UTC
Last seen:2022-05-04 05:40:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:WA9xw32L2Im3h7VKclXypxiHVb1+LhTtfLVlFIR+SXeObX11d3K4g1I:WIo2w3lCLeVbULhlXFM7bFz6i
Threatray 4'942 similar samples on MalwareBazaar
TLSH T1B7D40110B1279913C53917B296D6529003F25B9EB052E35B7EE913EB6322BFA1DC0F87
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 NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
104.144.69.135:7600

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
104.144.69.135:7600 https://threatfox.abuse.ch/ioc/547392/

Intelligence

File Origin
# of uploads :
2
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
urgent purchase order.exe
Verdict:
Malicious activity
Analysis date:
2022-05-04 05:20:22 UTC
Tags:
trojan nanocore rat
Link:
https://app.any.run/tasks/2321bf11-5cd4-4bc8-abe2-78fdca189bff

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/268518/
Detection(s):
SecuriteInfo.com.Variant.Lazy.178015.32010.9944.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/62720c8da796b19348072087/reports/08e167e9-8c6f-4d9a-8c7f-8ccc13f2a2ff/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.
Gathering data
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/987484
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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 Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 619980 Sample: urgent purchase order.exe Startdate: 04/05/2022 Architecture: WINDOWS Score: 100 42 papakamzy.ddns.net 2->42 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 12 other signatures 2->50 9 urgent purchase order.exe 3 2->9         started        13 dhcpmon.exe 3 2->13         started        15 urgent purchase order.exe 2 2->15         started        signatures3 process4 file5 38 C:\Users\...\urgent purchase order.exe.log, ASCII 9->38 dropped 54 Injects a PE file into a foreign processes 9->54 17 urgent purchase order.exe 1 16 9->17         started        signatures6 process7 dnsIp8 40 papakamzy.ddns.net 104.144.69.135, 49748, 49749, 49752 SERVER-MANIACA Canada 17->40 30 C:\Program Files (x86)\...\dhcpmon.exe, PE32 17->30 dropped 32 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 17->32 dropped 34 C:\Users\user\AppData\Local\...\tmp1CC9.tmp, XML 17->34 dropped 36 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 17->36 dropped 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->52 22 schtasks.exe 1 17->22         started        24 schtasks.exe 1 17->24         started        file9 signatures10 process11 process12 26 conhost.exe 22->26         started        28 conhost.exe 24->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f618dcbc522a7fcd1b196f9af050ddd1c5cd8d16e460c26cdb1ada8af00f9021/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-04 04:21:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ymnzpcsfj742gyzn6npaug52hc43diw4rqme3g3dlniv4apsaqq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
4f7da7d6fb331a8098d4ce354690ffc64d8f0225307b406e722548109e669d4d
NanoCore
55aea4a4530e0aa4d13d4c68b9027e6a215bc4a4eaa87d2a8bfdc2c443dd3d7c
NanoCore
862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
NanoCore
db7d1bc1cf6fb7fdbc3d0fc2c67c97ed89aa316d6bcb4c4e6ce942c9145612fc
NanoCore
ddb292ac2c57e10703a5358532be2d46e4d5ea94361fd30be3c1e2bfb919621f
NanoCore
+ 4'932 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/220504-fypmrsfgcr/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
papakamzy.ddns.net:7600
104.144.69.135:7600
Unpacked files
SH256 hash:
0b0943bfdec95ac0018401af1df3ac4c1c36f87b8a47945388de4ec42f22038f
MD5 hash:
2d47c76167ac418daedd11e35040fd32
SHA1 hash:
eb88716923046cdf8732d3698c544f814b03fe29
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/54547c22-6b18-4711-babd-86318eb101c1/
Parent samples :
02bcfcb4702e7201a7044021df5a148779d112eced7b81f8137cf291e507fd9d
7709c1a46eff201524b42caaecba9ce963f7580e77d7b9c32059aaf3acfb248a
f618dcbc522a7fcd1b196f9af050ddd1c5cd8d16e460c26cdb1ada8af00f9021
SH256 hash:
d25084dc5c80220ede38829881b97b41afc7694bf271b946932e551ae0234d77
MD5 hash:
93362f14c11826975cef4db71327802c
SHA1 hash:
c59775eb809cfe7bd86c1db10362d5a44315b8c2
Link:
https://www.unpac.me/results/54547c22-6b18-4711-babd-86318eb101c1/
SH256 hash:
f9b402c03b2fecbed80e97007bf3048779aa60017d78dc48429de7c9b4948e92
MD5 hash:
7130c3f9ba4e5443a5c36cee3732d38b
SHA1 hash:
477ceb97f01888209a38a1c6ee3a2f8807ce3df7
Link:
https://www.unpac.me/results/54547c22-6b18-4711-babd-86318eb101c1/
SH256 hash:
044e6e22943ac21887eaef4daf70bc43b8d7b54b7160ecc2e0b6ff77a6832a99
MD5 hash:
0512fe61b5e75a5aa25f0c17882292cd
SHA1 hash:
3b05ecfbb15a15fd46a9d9b588620454b6361745
Link:
https://www.unpac.me/results/54547c22-6b18-4711-babd-86318eb101c1/
SH256 hash:
f618dcbc522a7fcd1b196f9af050ddd1c5cd8d16e460c26cdb1ada8af00f9021
MD5 hash:
410605711f1af39de382069ff148773c
SHA1 hash:
d9300060f509f90b8e1eda6d729a8bf8979c8747
Link:
https://www.unpac.me/results/54547c22-6b18-4711-babd-86318eb101c1/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f618dcbc522a/report/overview.html
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/f618dcbc522a7fcd1b196f9af050ddd1c5cd8d16e460c26cdb1ada8af00f9021

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_NanoCore
Create hunting rule
Author:abuse.ch
Rule name:malware_Nanocore_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
Create hunting rule
Author:Kevin Breen <kevin@techanarchy.net>

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/268518/

Comments