MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7bbca5aa0688510e1d000f7a3b4fa3e1153d2e005a14a5b38c0092bbe07a2731. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7bbca5aa0688510e1d000f7a3b4fa3e1153d2e005a14a5b38c0092bbe07a2731
SHA3-384 hash: 31c76a0555bf5dc7725d691990cc0bc5b57b25a73d8b9d0bc31924471fa2e91f4cf4eb2d2b12dc4f501df5034e303c1d
SHA1 hash: 4f0bca7701b730d28e3d50d52910a165caca156a
MD5 hash: a8d00c1f65ddc5bc294e0238bc8c8584
humanhash: bluebird-hot-hot-cold
File name:a8d00c1f65ddc5bc294e0238bc8c8584.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:818'688 bytes
First seen:2020-12-18 09:34:01 UTC
Last seen:2020-12-18 11:34:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:j+JMTWBrAep3eLvnOIjLfw83tU/RuotNRIUwM2DjHQx0y:j+nr5eLvnDLfwotU5NlIUwM2A0
Threatray 5 similar samples on MalwareBazaar
TLSH 12056B9EFF657AE0F53F43B87070403A2FF36417A669C59D3C92E1A91864B8140B798B
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
jonbullie.duckdns.org:54194 (45.74.1.194)

Intelligence

File Origin
# of uploads :
2
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a8d00c1f65ddc5bc294e0238bc8c8584.exe
Verdict:
Malicious activity
Analysis date:
2020-12-18 09:45:42 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/beaa6108-2259-4cf7-b189-11d04f7ad44a

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/108367/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.23627.21565.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/566145
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 332153 Sample: zC3edqmNNt.exe Startdate: 18/12/2020 Architecture: WINDOWS Score: 100 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 Sigma detected: Scheduled temp file as task from temp location 2->63 65 9 other signatures 2->65 8 zC3edqmNNt.exe 7 2->8         started        12 RegSvcs.exe 4 2->12         started        14 dhcpmon.exe 4 2->14         started        16 dhcpmon.exe 3 2->16         started        process3 file4 47 C:\Users\user\AppData\...\UOZdbGALAxpk.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmp1D4F.tmp, XML 8->49 dropped 51 C:\Users\user\AppData\...\zC3edqmNNt.exe.log, ASCII 8->51 dropped 69 Writes to foreign memory regions 8->69 71 Allocates memory in foreign processes 8->71 73 Sample uses process hollowing technique 8->73 75 Injects a PE file into a foreign processes 8->75 18 RegSvcs.exe 1 13 8->18         started        23 schtasks.exe 1 8->23         started        25 RegSvcs.exe 8->25         started        27 conhost.exe 12->27         started        29 conhost.exe 14->29         started        31 conhost.exe 16->31         started        signatures5 process6 dnsIp7 53 jonbullie.duckdns.org 45.74.1.50, 54194 VOXILITYGB United States 18->53 55 127.0.0.1 unknown unknown 18->55 57 192.168.2.1 unknown unknown 18->57 43 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 18->43 dropped 45 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->45 dropped 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 33 schtasks.exe 1 18->33         started        35 schtasks.exe 1 18->35         started        37 conhost.exe 23->37         started        file8 signatures9 process10 process11 39 conhost.exe 33->39         started        41 conhost.exe 35->41         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7bbca5aa0688510e1d000f7a3b4fa3e1153d2e005a14a5b38c0092bbe07a2731/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-14 06:27:00 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=po6klkqgrbiq4hiab55dwt5d4ekt2lqalikklm4macjlxyd2e4yq._file
Verdict:
unknown
Similar samples:
077b6aa67ba5bc965c44f862ee4d13368e9758681ec4295086c1bf9b8dd68f80
NanoCore
1085d37245912faccfa2fb20359b5560032988719e277a0b98ac2ef9da1476a2
NanoCore
47cc8b8e840dacef064487cb2d9712c5b6ed52bd05b67ea9fb8058131ca8b41c
NanoCore
7c6a987b9a63992f13adc130b38aee07d79d8786178c9cf339915112a28a7a6f
NanoCore
d44e3701a7ef81adda35e011eb833d146cf703753314d04488603317f22b7fdb
NanoCore
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201218-78kfnpfzzn/
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
NanoCore
Malware Config
C2 Extraction:
jonbullie.duckdns.org:54194
127.0.0.1:54194
Unpacked files
SH256 hash:
33934bdf71f2beba3be3348d91022f52c38994b829cc625ac480b55347b97c97
MD5 hash:
98d47a2a0543dc5039d3e9ed7e0a3d7c
SHA1 hash:
0de4b0c99ee74a72edcc137ebe0169d642451c8d
Link:
https://www.unpac.me/results/e8db4126-0ac6-40d8-8070-ebb3784b5a4d/
SH256 hash:
c8671a87d685f2354d96f3cfcad530dfa5f3ec535a0f5ec14940d81fb857813b
MD5 hash:
b5358f677850210361f573c7d249c258
SHA1 hash:
215e06e319515d779efa88f7c05b343d6ec3f6a5
Link:
https://www.unpac.me/results/e8db4126-0ac6-40d8-8070-ebb3784b5a4d/
SH256 hash:
c6fcf5d515d56cf746b4c4aa4695f11e9ad7f6063a96cda810bf39dc47c5a7a0
MD5 hash:
47509d9db24c975e55c287afdc459fad
SHA1 hash:
4f1f893555c985d7cbba731cf1fdbf49c6ecf793
Link:
https://www.unpac.me/results/e8db4126-0ac6-40d8-8070-ebb3784b5a4d/
SH256 hash:
c4ee262f254902dafb32187549f64118862d8f343fa918308ad906c3894962f9
MD5 hash:
813d6a09c73abda6e63b71134daf86bc
SHA1 hash:
67579c5d10b17115f4bb90f8b309ba540a4813c1
Link:
https://www.unpac.me/results/e8db4126-0ac6-40d8-8070-ebb3784b5a4d/
SH256 hash:
277a9caa3c78df0bf1562ee996c5867525579ebba48068cee1458e9fea42c5c5
MD5 hash:
39380bd3b18d4223a246d914ea8eb1a1
SHA1 hash:
aa1129ae87bb3bdaf998f0cc776a9632b4623e8d
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/e8db4126-0ac6-40d8-8070-ebb3784b5a4d/
SH256 hash:
7bbca5aa0688510e1d000f7a3b4fa3e1153d2e005a14a5b38c0092bbe07a2731
MD5 hash:
a8d00c1f65ddc5bc294e0238bc8c8584
SHA1 hash:
4f0bca7701b730d28e3d50d52910a165caca156a
Link:
https://www.unpac.me/results/e8db4126-0ac6-40d8-8070-ebb3784b5a4d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7bbca5aa0688510e1d000f7a3b4fa3e1153d2e005a14a5b38c0092bbe07a2731

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:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
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_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: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/108367/

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