MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81fe733026110d1d4ff33cccb9a79a593af2b7db12a4b34f0feab313ab3655a2. 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: 13
| SHA256 hash: | 81fe733026110d1d4ff33cccb9a79a593af2b7db12a4b34f0feab313ab3655a2 |
|---|---|
| SHA3-384 hash: | 297ce102514b5c11eeba8121208a6fc1632f1b6bc0fb0f610af714d844a822f61da4f553610d7e99064136bdd7311579 |
| SHA1 hash: | 20b0c7b488ac4379bdfb3a2ecb7defd5688a57a9 |
| MD5 hash: | 4d47a835a1659198a2075579fb3bdce4 |
| humanhash: | bulldog-monkey-video-dakota |
| File name: | Payment copy.pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'021'952 bytes |
| First seen: | 2022-03-23 18:27:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 24576:Ad6qTpJDKb+JhEpPpDo+t4GgmMuelczbiY1LuFMYc3V:4xJDK/pPpD/4Ggr3lEluFMYc3 |
| Threatray | 4'115 similar samples on MalwareBazaar |
| TLSH | T17725230C67940621DC6F1BF09D205741477D3D37A46AD7ABB8CCA8EB0BC5B026B61EA7 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 194.5.98.45:4040 | https://threatfox.abuse.ch/ioc/442892/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
300
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cerbu obfuscated packed
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
Verdict:
Malicious
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-23 18:28:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 26 (69.23%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 4'105 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks computer location settings
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
194.5.98.45:4040
Unpacked files
SH256 hash:
b9133d6f143edf0fea13d2cb15cde0f4e650d9984687883b1f941914b24af72f
MD5 hash:
7746dcea24f53ab57db6a67ab380ad04
SHA1 hash:
dad792173ab700eb28b0be466219bc2c90023c21
Detections:
win_nanocore_w0
SH256 hash:
167aedb8174067b42830ca30fa7881c8565e139283d9fec91454b8637e9f4209
MD5 hash:
61d28ada5dd158d78e5a22412bacefb4
SHA1 hash:
d8b914f452cd8927145e4fa2cca6d9307a6bd745
SH256 hash:
dc5c057b0ee1eb079cf189762aac69f0d86338ea18795dc4fbf7ed9b5a45c2eb
MD5 hash:
4103ed94f4747b30e166cf3c25416f47
SHA1 hash:
d553a67056e94f60d621ca42dcecd6d93f9ef1ad
SH256 hash:
6c6d7f721b99ba3f14c933860c1bf89e40ff47473e0a917018ce53bcb07783ad
MD5 hash:
fd1b6d166b1bf5af514cb9ddf7d260f1
SHA1 hash:
84629c9f05f74bc2c5253218b005d7a7cce76076
SH256 hash:
81fe733026110d1d4ff33cccb9a79a593af2b7db12a4b34f0feab313ab3655a2
MD5 hash:
4d47a835a1659198a2075579fb3bdce4
SHA1 hash:
20b0c7b488ac4379bdfb3a2ecb7defd5688a57a9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | malware_Nanocore_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Nanocore in memory |
| Reference: | internal research |
| Rule name: | MALWARE_Win_NanoCore |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NanoCore |
| 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_Feb18_1_RID2DF1 |
|---|---|
| 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: | Nanocore_RAT_Gen_2_RID2D96 |
|---|---|
| Author: | Florian Roth |
| Description: | Detetcs the Nanocore RAT |
| Reference: | https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/ |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
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