MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a8c97fcfb3855e4798aa5cfc9c79db61491dcce8463eac5fab46ca181b1260fe. 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: 8
| SHA256 hash: | a8c97fcfb3855e4798aa5cfc9c79db61491dcce8463eac5fab46ca181b1260fe |
|---|---|
| SHA3-384 hash: | 80d5bb3a1ec365bb979decb70d24c30b2139f988c4cb967cf04b23543089addc5b68710a0ccf3e683f84849f0eb9f443 |
| SHA1 hash: | c06c3ef0cad1ff0d1af5404ba0543bc460d30d53 |
| MD5 hash: | e3c73a357ab7896a6c99cdf7d9d83fc5 |
| humanhash: | zebra-sodium-xray-oscar |
| File name: | Purchase#20880.pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'235'648 bytes |
| First seen: | 2021-06-29 14:21:10 UTC |
| Last seen: | 2021-06-29 14:41:25 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:PUxm5xR9KEa0t27M0Mkqnot1FvMNPwOCvf9UdMfZbLa+c:sGR9Br0M7not1xM1Rada+c |
| Threatray | 2 similar samples on MalwareBazaar |
| TLSH | 894502E07C6BC5EAE991A5B829C3783C984CCF583A2245C66C5D318DDBB877C0DC7986 |
| 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 |
|---|---|
| 185.244.26.198:2092 | https://threatfox.abuse.ch/ioc/155742/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase#20880.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-29 14:22:58 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
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
Creates multiple autostart registry keys
Detected Nanocore Rat
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-29 14:22:05 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:agenttesla family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Modifies registry class
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 whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
AgentTesla Payload
AgentTesla
NanoCore
Malware Config
C2 Extraction:
185.244.26.198:2092
startedhere.ddns.net:2092
startedhere.ddns.net:2092
Unpacked files
SH256 hash:
2d7011c532b5106371a2122c8849350dc73cde556c6b6ff10f0e05fa4f3dc3f3
MD5 hash:
8e953038e05498ffb8b69788be96bb93
SHA1 hash:
966efa71f107e01686a84d8f7f2254364c1ded64
SH256 hash:
94a7cbf00059608fb38c7182c41fc58c7b4b2c447ab443d499fc0d0ed6de791a
MD5 hash:
7b7dcbb3c1ddf20ac1abae8e85657214
SHA1 hash:
2857242f72b912e3c73476614e6915adb00a546f
SH256 hash:
a2ecf0dca2e360e5959d690aa438bc2c887e27130dcaf7b0d32eceaaa2c7d956
MD5 hash:
0cb0221b2ddd6ade5ed9040143be685d
SHA1 hash:
b6e65e02e4f92e7ffb0c708d456173608bc9b47e
SH256 hash:
c6716945639bd74caa245946fc847a390a86b6f786ad8361e7a85085350e4fc8
MD5 hash:
c2fa0782f9874a40d4ddbbc09bea51a0
SHA1 hash:
572f886419e0dee4dd41c936a9b4745200ef0b37
SH256 hash:
a8c97fcfb3855e4798aa5cfc9c79db61491dcce8463eac5fab46ca181b1260fe
MD5 hash:
e3c73a357ab7896a6c99cdf7d9d83fc5
SHA1 hash:
c06c3ef0cad1ff0d1af5404ba0543bc460d30d53
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.39
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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