MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a6e5ce54fa87a5b2a2e2abb4a6d69d9d571fb7668fd2535f319eb9b5ff5b6c6b. 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
| SHA256 hash: | a6e5ce54fa87a5b2a2e2abb4a6d69d9d571fb7668fd2535f319eb9b5ff5b6c6b |
|---|---|
| SHA3-384 hash: | 3f427fb47c7dd5699a80b45a5fbbf27f668224d6e64b6b01d8d721104a4cd2d19dd8b611c51192caabae4883cb19dc2e |
| SHA1 hash: | 33fea78d24d04d52deecc325e9050f18123d247f |
| MD5 hash: | e2423a50810971b2cb231ba1d7d1399d |
| humanhash: | princess-dakota-six-ack |
| File name: | cotización.PDF___________________________________________.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 548'864 bytes |
| First seen: | 2021-02-26 18:04:45 UTC |
| Last seen: | 2021-02-26 19:59:32 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:WDMTMZKmgm2XRHZMF/3AfYz91ANVCfQAc:+glXxW/QgJem |
| Threatray | 1'589 similar samples on MalwareBazaar |
| TLSH | 6FC4CF35268CCF42D33DA77D90B01511A3F1BA02E722D76FBDA425DA1E72FA18362647 |
| Reporter |  abuse_ch |
| Tags: | exe geo MEX NanoCore RAT |
abuse_ch
Malspam distributing NanoCore:HELO: mail.inasa.com.mx
Sending IP: 201.159.97.242
From: Fernandez <tarr_fernandez@inasa.com.mx>
Subject: SpamRE: cotización MEXICO
Attachment: cotización.PDF___________________________________________.r20 (contains "cotización.PDF___________________________________________.exe")
NanoCore RAT C2:
trijgrscviomnbvdewacvioplmjytrewwqazxcvty.ydns.eu.ydns.eu
Intelligence
File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cotización.PDF___________________________________________.exe
Verdict:
Malicious activity
Analysis date:
2021-02-26 18:08:21 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:
Suspicious
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
DNS request
Creating a process from a recently created file
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
Sigma detected: Suspicious Double Extension
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 AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-02-26 17:11:21 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'579 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
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
Malware Config
C2 Extraction:
trijgrscviomnbvdewacvioplmjytrewwqazxcvty.ydns.eu.ydns.eu:7731
185.29.8.54:7731
185.29.8.54:7731
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
SH256 hash:
a6e5ce54fa87a5b2a2e2abb4a6d69d9d571fb7668fd2535f319eb9b5ff5b6c6b
MD5 hash:
e2423a50810971b2cb231ba1d7d1399d
SHA1 hash:
33fea78d24d04d52deecc325e9050f18123d247f
Please note that we are no longer able to provide a coverage score for Virus Total.
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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