MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 796f57da16fa76bd10afb6a16f9f75b78673f47556ce4d93d93ec34b5d898f61. 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


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 796f57da16fa76bd10afb6a16f9f75b78673f47556ce4d93d93ec34b5d898f61
SHA3-384 hash: 33f97f3fd81916942f649ff1abe29f1c82a925a3a4a4d5cdc203940319e8125ec044e558b9c30005b539f49554bb26f8
SHA1 hash: e08d7ba0bf0ac4f93d17e71d27a82dfb22058626
MD5 hash: 0d98108aa5a3383c2c3152cf2cd5ae9a
humanhash: romeo-nevada-delta-golf
File name:Payment confirmation .exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:993'280 bytes
First seen:2022-01-25 04:21:06 UTC
Last seen:2022-01-25 07:53:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:1MJS/fy8oTImIQoM46ayaad63/85GFnhZ5AVU7wsh6I:1MQ/fYJIvmFEZCUxh6I
Threatray 3'574 similar samples on MalwareBazaar
TLSH T10225023A765ECD31C618027A40DFC11807796A468A73D74ABEC527FE0F11B969F881AF
File icon (PE):PE icon
dhash icon 136d455d6d4d550b (25 x AgentTesla, 9 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
3
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/222149/
Detection(s):
SecuriteInfo.com.Artemis0D98108AA5A3.29897.21501.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/61ef7aeff81da814afa21996/reports/218129e0-42bc-4e48-b5c3-0922e535baeb/overview
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
Link:
https://analyze.intezer.com/analyses/3fc5d683-4871-47eb-823c-08a18bab26e4
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/926753
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/796f57da16fa76bd10afb6a16f9f75b78673f47556ce4d93d93ec34b5d898f61/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-25 00:51:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pfxvpwqw7j3l2efpw2qw7h3vw6dhh5dvk3he3e6zh3buwxmjr5qq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0522489c1b0eff1e817ab93264228b374c3d39562faf11e8248883ab2b52002d
NanoCore
0b1396805e736275f16550f3ecc5361cfcccc468094b4ea910ded8eaf430a5b3
NanoCore
176f35bde47c4bec6c1b3df8f1b8a8ad5f47040be0889123e988e8fcd0022320
NanoCore
30e1ba61a63a27b668eee09f960a83d944e878c33b46f85ea86bacdf1427f4dd
NanoCore
39c5635ea42d63fe84500b9760fbe56e0fd3243007700749609bca1cd8d9e5d4
NanoCore
998746d0f5d0c13df720f0bf3981d652c828ea64d64d2e16736a80123fb534aa
NanoCore
fc90ce49a569f884194e99fe404a2ab0e5b5048434b6bb05319abf1c05cccadc
NanoCore
+ 3'564 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220125-ey9ghagfar/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
naki.airdns.org:56281
37.120.210.211:56281
Unpacked files
SH256 hash:
b8fa89698f272e127c5bce86324068f4a33e1413aae2e5f4b7065947ac306860
MD5 hash:
de6074c989121abe41a81fc93b039e8f
SHA1 hash:
371d3ff1aae817fa6ab5484dd0d840c3a2bd2f71
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/ff6a43e4-2c74-430e-a4a9-4d1f47090a5d/
Parent samples :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 hash:
e5c004f16f956cb4dde527ee8def97873e897ee243b1a2e93985f463b0f9b868
MD5 hash:
0bb8258ff73a60fd521b0c06e050fdd2
SHA1 hash:
c1ccc1c80481dc58b6200790bef4b3b2a3de15b4
Link:
https://www.unpac.me/results/ff6a43e4-2c74-430e-a4a9-4d1f47090a5d/
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
Link:
https://www.unpac.me/results/ff6a43e4-2c74-430e-a4a9-4d1f47090a5d/
SH256 hash:
796f57da16fa76bd10afb6a16f9f75b78673f47556ce4d93d93ec34b5d898f61
MD5 hash:
0d98108aa5a3383c2c3152cf2cd5ae9a
SHA1 hash:
e08d7ba0bf0ac4f93d17e71d27a82dfb22058626
Link:
https://www.unpac.me/results/ff6a43e4-2c74-430e-a4a9-4d1f47090a5d/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/796f57da16fa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/796f57da16fa76bd10afb6a16f9f75b78673f47556ce4d93d93ec34b5d898f61

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.

Malspam

NanoCore

Executable exe 796f57da16fa76bd10afb6a16f9f75b78673f47556ce4d93d93ec34b5d898f61

(this sample)

  
Dropped by
nanocore
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/222149/

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