MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c8f444757a013aa7fd3578a16842d19e7e9d7828aa47c3ce2032ee58cd4b8c4. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: 7c8f444757a013aa7fd3578a16842d19e7e9d7828aa47c3ce2032ee58cd4b8c4
SHA3-384 hash: 566f91760de6deb2519385c1a5bbc7f8e2a98e8d1d7de12f3e8487943ea3fa84e0d7b4bb07d0117ea6333bb48880f600
SHA1 hash: 636f5d95ac54d2346f8d43d436ac62b74e72baca
MD5 hash: cc978b9f6e2f667d7f02eb94f868e34c
humanhash: sad-sweet-double-autumn
File name:SecuriteInfo.com.Variant.Mikey.113879.32606.1960
Download: download sample
Signature CoinMiner
File size:9'402'368 bytes
First seen:2022-04-19 03:31:03 UTC
Last seen:2022-04-20 10:21:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 59bd1de5370a3a1763ca4ab2cd4ba57f (8 x CoinMiner)
ssdeep 196608:rhHMBGC3PtXtT+Was8kwq1wo9JoYx5JAMdJOnZTG1IvQSaKe6NZOn:r2G0lwuwasMdJOnZKVSaaNZOn
Threatray 8'683 similar samples on MalwareBazaar
TLSH T17996E022BDD08577D66303327D5DF23972EEB5741F3581C763982F292A702E26A3522B
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter SecuriteInfoCom
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
377
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
datper greyware keylogger packed shell32.dll
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:
EquationGroup
Verdict:
Malicious
Result
Threat name:
ETERNALBLUE
Detection:
malicious
Classification:
spre.expl.evad.mine
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to enumerate network shares of other devices
Found stalling execution ending in API Sleep call
Found strings related to Crypto-Mining
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
Sigma detected: Windows Crypto Mining Indicators
Sigma detected: Xmrig
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Submitted sample is a known malware sample
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected ETERNALBLUE
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 611061 Sample: SecuriteInfo.com.Variant.Mi... Startdate: 19/04/2022 Architecture: WINDOWS Score: 100 63 caiyundf.cn 2->63 69 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->69 71 Sigma detected: Xmrig 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 9 other signatures 2->75 8 SecuriteInfo.com.Variant.Mikey.113879.32606.exe 2 6 2->8         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        17 6 other processes 2->17 signatures3 process4 dnsIp5 65 caiyundf.cn 119.91.92.254, 3171, 49733, 49764 CNNIC-QCN-APQingdaoCableTVNetworkCenterCN China 8->65 67 192.168.2.1, 135, 1433, 19490 unknown unknown 8->67 57 C:\ProgramData\cywkjq.exe, PE32+ 8->57 dropped 59 C:\ProgramData\SMB.exe, PE32 8->59 dropped 61 C:\ProgramData\spread.txt, PE32 8->61 dropped 89 Contains functionality to enumerate network shares of other devices 8->89 91 Found stalling execution ending in API Sleep call 8->91 19 SMB.exe 49 8->19         started        23 cmd.exe 1 8->23         started        25 cywkjq.exe 8->25         started        27 24 other processes 8->27 file6 signatures7 process8 file9 41 C:\ProgramData\svchostlong.exe, PE32 19->41 dropped 43 C:\ProgramData\posh-0.dll, PE32 19->43 dropped 45 C:\ProgramData\pcreposix-0.dll, PE32 19->45 dropped 53 40 other files (27 malicious) 19->53 dropped 77 Antivirus detection for dropped file 19->77 79 Multi AV Scanner detection for dropped file 19->79 81 Submitted sample is a known malware sample 19->81 83 Uses schtasks.exe or at.exe to add and modify task schedules 23->83 85 Uses ipconfig to lookup or modify the Windows network settings 23->85 29 conhost.exe 23->29         started        31 schtasks.exe 1 23->31         started        87 Machine Learning detection for dropped file 25->87 47 C:\ProgramData\trch-0.dll, PE32 27->47 dropped 49 C:\ProgramData\tibe.dll, PE32 27->49 dropped 51 C:\ProgramData\tibe-2.dll, PE32 27->51 dropped 55 5 other files (none is malicious) 27->55 dropped 33 taskkill.exe 1 27->33         started        35 taskkill.exe 1 27->35         started        37 taskkill.exe 1 27->37         started        39 26 other processes 27->39 signatures10 process11
Threat name:
Win32.Trojan.Wofith
Status:
Malicious
First seen:
2022-04-19 03:32:17 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
miner persistence suricata upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Gathers network information
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Enumerates connected drives
Loads dropped DLL
Executes dropped EXE
UPX packed file
Detected Stratum cryptominer command
suricata: ET MALWARE Lucifer CnC Checkin
Unpacked files
SH256 hash:
a36869c33695a0cd7a179f70716ec08f486e0de2402d832a220aeae38cdfbc8a
MD5 hash:
5f10cb74608a3db9d96de5b98baf1eee
SHA1 hash:
2ad2b933f7d8813d6eac5931cf7d5a4af1f96185
SH256 hash:
0c6f7cd4d86b2e0ae22aeea6fe82b6f1ed87fdf51f454c1d56960341f62068f9
MD5 hash:
7ce5314ac641581d50cc6aff1a362010
SHA1 hash:
93aa2bf66353b33aa966f49e878293b60aad399a
SH256 hash:
cce2587cdc70829287bd7938e86b2a6f43588fe488cb941ee2d8fabb5c88a656
MD5 hash:
47b7493eade04bbdb3a048d28e3b5c05
SHA1 hash:
de88a421ab84eddeb1380a1e0df3147d422e559e
SH256 hash:
7c8f444757a013aa7fd3578a16842d19e7e9d7828aa47c3ce2032ee58cd4b8c4
MD5 hash:
cc978b9f6e2f667d7f02eb94f868e34c
SHA1 hash:
636f5d95ac54d2346f8d43d436ac62b74e72baca
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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_TOOL_EXP_EternalBlue
Author:ditekSHen
Description:Detects Windows executables containing EternalBlue explitation artifacts
Rule name:MALWARE_Win_CoinMiner02
Author:ditekSHen
Description:Detects coinmining malware
Rule name:MAL_XMR_Miner_May19_1
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MAL_XMR_Miner_May19_1_RID2E1B
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/

File information


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

Comments