MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 250e0338d50cf0cc388cdf0732d6a58576995ac5d74bebd9d45632450413c9a0. 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


CoinMiner


Vendor detections: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 250e0338d50cf0cc388cdf0732d6a58576995ac5d74bebd9d45632450413c9a0
SHA3-384 hash: 67b3f04c7d55f9b87558374d9747b189352cd8fa3f95f8adaeb0f57fa1ee324bcc45d4189c84229dedeb2cca9cbce549
SHA1 hash: 6ba6c4941f51a590023df3130586bdb64c42c6cd
MD5 hash: 27955003e340b6ea6aef405bbabf1c83
humanhash: william-oscar-thirteen-minnesota
File name:250e0338d50cf0cc388cdf0732d6a58576995ac5d74bebd9d45632450413c9a0
Download: download sample
Signature CoinMiner
Create hunting rule
File size:12'557'312 bytes
First seen:2020-11-11 11:24:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0bdef4d92a94790d7d279561a490c5bb (45 x Tofsee, 26 x CoinMiner)
ssdeep 6144:NMVCoOPuUPtpIeBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBF:i81ZPtp
Threatray 46 similar samples on MalwareBazaar
TLSH 6FC63C69807B24F5C6B0107CF78C7B7EEAFD45F4AEB4015B688C97C1A4289D454ECAA3
Reporter seifreed
Tags:CoinMiner

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Tofsee-6840338-0
Create hunting rule

Win.Trojan.Tofsee-7102058-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Moving a file to the Windows subdirectory
Launching a process
Creating a service
Launching a service
Creating a process from a recently created file
Launching the process to change the firewall settings
DNS request
Creating a file in the Windows subdirectories
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun for a service
Sending a TCP request to an infection source
Unauthorized injection to a system process
Deleting of the original file
Adding exclusions to Windows Defender
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/250e0338d50cf0cc388cdf0732d6a58576995ac5d74bebd9d45632450413c9a0/
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 11:27:50 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=euhagogvbtymyoem34dtfvvfqv3jswwf25f6xwoukyzekbatzgqa._file
Verdict:
malicious
Similar samples:
17831d6b96a1d60752b7031cf6307eb2ce6db23204991b7c6411f50f0ee99621
CoinMiner
1871587dfeba4fe175b8b51e8f9fc27c1df99fef0a16f09da1594542ee8ee1cb
CoinMiner
575a4ea0536e74d52c4dbd55a5f55563cf04e9f553d9a433caf0dc651800d022
CoinMiner
587f79f301d6ca9ad6a02642cf6ebfbce12b3eaa524ecd67834ca1314447c4da
CoinMiner
753ace1bff4069f22d20bf3a205b7205e922da38e0c82495fae6b78fd376fc34
CoinMiner
8d64110a77ed9fe2d9454816668d95ed000442a34bb558ca0447ebd8c08b30ba
CoinMiner
8fcb2057bdac3ba88cb811c44a0d79358075525506b1517c3e713aec8d31a666
CoinMiner
bb56a44a1aecdb49ea4655e4fb4f5d62b6f44938457b704b6154256a3d387b1b
CoinMiner
dd6e9c87b9bd8749f642b5063107a9f9b4b3690ac13f9d418a839618bae04452
CoinMiner
f6a6b1887797aa19c0eeb48b1c615d1833d2d309c92688821b2405e0fc4432ec
CoinMiner
+ 36 additional samples on MalwareBazaar
Result
Malware family:
tofsee
Create hunting rule
Score:
  10/10
Tags:
family:tofsee evasion persistence trojan
Link:
https://tria.ge/reports/201111-d7jjgm3gwe/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Launches sc.exe
Drops file in System32 directory
Modifies service
Suspicious use of SetThreadContext
Looks up external IP address via web service
Deletes itself
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Tofsee
Windows security bypass
Unpacked files
SH256 hash:
250e0338d50cf0cc388cdf0732d6a58576995ac5d74bebd9d45632450413c9a0
MD5 hash:
27955003e340b6ea6aef405bbabf1c83
SHA1 hash:
6ba6c4941f51a590023df3130586bdb64c42c6cd
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/d45d13ed-4428-4043-8aa4-6a125b149f33/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MAL_XMR_Miner_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MINER_monero_mining_detection
Create hunting rule
Author:Christiaan Beek | McAfee ATR Team
Description:Monero mining software
Rule name:win_tofsee_w0
Create hunting rule
Author:akrasuski1
Rule name:XMRIG_Miner
Create hunting rule
Rule name:XMRIG_Monero_Miner
Create hunting rule
Author:Florian Roth
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments