MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a9457af49b2236667eb1ef82b7ff4dd800d08f0555fbde50ded495bc7df463d3. 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: 10
| SHA256 hash: | a9457af49b2236667eb1ef82b7ff4dd800d08f0555fbde50ded495bc7df463d3 |
|---|---|
| SHA3-384 hash: | c0b7b07ec05262bfafbe8233ad6806866b0a4cba97c01d6739310ed9e16145bc0c3f05e99756101e720261a67dd7d30f |
| SHA1 hash: | 3dacd0441c16eb2f68241dede8baceaabce8e266 |
| MD5 hash: | 4fdbe6d4a70cf98eaea08c0c02f02b30 |
| humanhash: | minnesota-magazine-lion-bravo |
| File name: | PURCHASE ORDER - #0022223 DATED 28042021.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 875'520 bytes |
| First seen: | 2021-04-28 13:28:08 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:WaeGALj+OziNL04PSyVh39pzC3EFUKT6u2CBVRmUGV00ctry/NdY8+TpmthFuNpb:jeGAEY4P9NpzCyB6ubmbBdqIVnQ |
| Threatray | 4 similar samples on MalwareBazaar |
| TLSH | CF15BF45EB909AA0DC2DA3742937CC354B33BDAAA5B4D50C39CD36672FB7A930072653 |
| Reporter |  James_inthe_box |
| Tags: | exe NanoCore |
Intelligence
File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER - #0022223 DATED 28042021.exe
Verdict:
Malicious activity
Analysis date:
2021-04-28 13:32:56 UTC
Tags:
trojan nanocore rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
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
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.Phonzy
Status:
Malicious
First seen:
2021-04-28 08:57:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
60
AV detection:
20 of 47 (42.55%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
45.137.22.50:4557
127.0.0.1:4557
127.0.0.1:4557
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
a9457af49b2236667eb1ef82b7ff4dd800d08f0555fbde50ded495bc7df463d3
MD5 hash:
4fdbe6d4a70cf98eaea08c0c02f02b30
SHA1 hash:
3dacd0441c16eb2f68241dede8baceaabce8e266
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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 |
|---|---|
| Author: | abuse.ch |
| Rule name: | Nanocore |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Nanocore in memory |
| Reference: | internal research |
| Rule name: | nanocore_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | Nanocore_RAT_Feb18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Nanocore RAT |
| Reference: | Internal Research - T2T |
| Rule name: | Nanocore_RAT_Gen_2 |
|---|---|
| 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 |
|---|---|
| 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.
Delivery method
Other
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