MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef. 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: 11


Intelligence 11 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef
SHA3-384 hash: 4d5e2ce7f072930f8b04228291cf48ce3667ab5f07ce77514f80a0ac24455027f456f503dfbff4d00f2609eeb1ddcee4
SHA1 hash: a4ef26b0768ea38c307d334269beebe4bfcd8026
MD5 hash: 3d7909a4c69d7965f3ce0d9c9afb47e0
humanhash: artist-oscar-hotel-romeo
File name:PURCHASE ORDER #07092022.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:275'968 bytes
First seen:2022-09-10 07:45:28 UTC
Last seen:2022-09-10 08:45:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:YZyB96qbOLUTnHfJBng++++4+++++++0++++++++YmZL+:0vUOL+nzg++++4+++++++0+++++++
Threatray 5'137 similar samples on MalwareBazaar
TLSH T178442B33B1E462D9D678D675AE26E6B097032EA46440F56FF2D8FCCB39BC2330466941
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)
File icon (PE):PE icon
dhash icon 34f0d2e4d4d4d4d4 (9 x SnakeKeylogger, 4 x AgentTesla, 2 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.110.62.158:4089

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
79.110.62.158:4089 https://threatfox.abuse.ch/ioc/848929/

Intelligence

File Origin
# of uploads :
2
# of downloads :
474
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
PURCHASE ORDER #07092022.exe
Verdict:
Malicious activity
Analysis date:
2022-09-10 07:46:18 UTC
Tags:
trojan nanocore rat
Link:
https://app.any.run/tasks/00ea8130-4e7d-43f0-9e58-ba059e91ff9b

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/309094/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61922324.3224.17063.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/631c40bc55480bd187da5a1b/reports/2fae33fd-0919-49e7-97ba-b5012c02eae5/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0681b68f-1388-4a38-844a-dc6a0873a919
Result
Threat name:
Nanocore, AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068153
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Encrypted powershell cmdline option found
Executable has a suspicious name (potential lure to open the executable)
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 700685 Sample: PURCHASE ORDER #07092022.exe Startdate: 10/09/2022 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 13 other signatures 2->63 7 PURCHASE ORDER #07092022.exe 16 7 2->7         started        12 Nzriqimnh.exe 14 3 2->12         started        14 Nzriqimnh.exe 3 2->14         started        process3 dnsIp4 43 onedrive.live.com 7->43 45 dm-files.fe.1drv.com 7->45 47 3o0wig.dm.files.1drv.com 7->47 35 C:\Users\user\AppData\...35zriqimnh.exe, PE32 7->35 dropped 37 C:\Users\...37zriqimnh.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\...\PURCHASE ORDER #07092022.exe.log, ASCII 7->39 dropped 67 Encrypted powershell cmdline option found 7->67 69 Writes to foreign memory regions 7->69 71 Injects a PE file into a foreign processes 7->71 16 MSBuild.exe 9 7->16         started        21 powershell.exe 16 7->21         started        49 onedrive.live.com 12->49 53 2 other IPs or domains 12->53 73 Multi AV Scanner detection for dropped file 12->73 75 Machine Learning detection for dropped file 12->75 23 powershell.exe 12->23         started        51 onedrive.live.com 14->51 55 2 other IPs or domains 14->55 25 powershell.exe 14->25         started        file5 signatures6 process7 dnsIp8 41 79.110.62.158, 4089, 49740, 49744 LASOTELFR Germany 16->41 33 C:\Users\user\AppData\Roaming\...\run.dat, data 16->33 dropped 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->65 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef/
Threat name:
Win32.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-09-09 17:57:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
20 of 40 (50.00%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d7xmsliysav3zbazkqkf52ja4lp7slwwc5m3c7sfdwhftoktg3xq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
masslogger
Create hunting rule
Similar samples:
42160df191b53ba66deac9a1dcb81f52f1712831a07d359d7c4bf9b5574c4707
NanoCore
66b83ea08aae693557315e3e62fcdc14e3ab57c51d43a10a4bacf1d5e05c6988
NanoCore
75d8f694cc59aaf61da837b61782e3c1004ee310918f3fc3ee34ee1b7b0c0a9d
NanoCore
771088b4c7a646b7f6f7d2d73948923f15dce833d33891889585996b5e2e3290
NanoCore
a3fbcb163ca47c352ef996b6b42fec6aa2e88073bfb279d8510c3f1a4c472b04
NanoCore
e1ee64f883461b2467c9ba0efb86934add2505f1e230126a12d835a796d2f869
NanoCore
e527276384d145defb319a3c2adeb52e7825e5a7f8f7459ebc368c31a4018f03
NanoCore
ede54ddd1ad0cc12aeb64653aee9b3d056263312bf2221ee7f640fd3fcbf11cb
NanoCore
efc5e38081320031708585d42e346cd6080b7b0bf8d16f5872f2fbe457c3c0ca
NanoCore
f8b172fef8728a9ec1ad7b73e5f59c6750d53244dbce42a769c910b673669236
NanoCore
+ 5'127 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220910-jlylpadeak/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
79.110.62.158:4089
127.0.0.1:4089
Unpacked files
SH256 hash:
1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef
MD5 hash:
3d7909a4c69d7965f3ce0d9c9afb47e0
SHA1 hash:
a4ef26b0768ea38c307d334269beebe4bfcd8026
Link:
https://www.unpac.me/results/ea14fd39-be2b-4365-a24a-2e66aeb7cffa/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1feec92d1890/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef

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.

Cape
Cape
https://www.capesandbox.com/analysis/309094/

Comments