MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37039db3666b741d1a65031170e510f509cf7a9b526dd225af7e0ce754e958eb. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37039db3666b741d1a65031170e510f509cf7a9b526dd225af7e0ce754e958eb
SHA3-384 hash: 62d3a2ba76c46d8713d609309714312987d5b5f284390eb830fc786e0d51595cbaa329384667e303b9303f7a8d9a3c75
SHA1 hash: 610eb4e626a8ab1edbd5a9e94c4f68fd9672c264
MD5 hash: 21e10975918a63457d1a007e369791db
humanhash: low-butter-violet-don
File name:21e10975918a63457d1a007e369791db.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:949'576 bytes
First seen:2022-12-31 10:40:34 UTC
Last seen:2022-12-31 12:41:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:wslS8sNT68K0z+DKkkzlNz26Q0rXdR2QjbghEivEZqAasmjJW3s4yCWXmq42:w6S8sZo8zlNz2umgbgh9vlAtmjJssb42
TLSH T1D115F274B628FF7FC5894533F925A984B92A21D8F206030EE5D61066CF8D71BEF8D858
TrID 45.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.4% (.EXE) Win64 Executable (generic) (10523/12/4)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
21e10975918a63457d1a007e369791db.exe
Verdict:
No threats detected
Analysis date:
2022-12-31 10:42:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5bdb69ea-29c6-47f7-9e0c-7e57a18336e7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm confuserex overlay packed
Link:
https://www.filescan.io/uploads/63b011c40e926711fd75faf7/reports/9728ddd4-ea14-4604-8a4e-142956518197/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/67bacf6c-c24a-4b7d-8566-85b1307eaddc
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1143516
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Potential dropper URLs found in powershell memory
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Uses powercfg.exe to modify the power settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 776244 Sample: uxReValB3P.exe Startdate: 31/12/2022 Architecture: WINDOWS Score: 100 66 www.google.com 2->66 68 rentry.co 2->68 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for URL or domain 2->82 84 Antivirus detection for dropped file 2->84 86 12 other signatures 2->86 9 uxReValB3P.exe 15 5 2->9         started        14 RegSvc.exe 2->14         started        16 cmd.exe 2->16         started        signatures3 process4 dnsIp5 76 transfer.sh 144.76.136.153, 443, 49712 HETZNER-ASDE Germany 9->76 62 C:\Users\...\872241014-j0xYuta9G35m02YL.exe, PE32 9->62 dropped 64 C:\Users\user\AppData\...\uxReValB3P.exe.log, CSV 9->64 dropped 96 Detected unpacking (changes PE section rights) 9->96 98 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->98 18 872241014-j0xYuta9G35m02YL.exe 14 27 9->18         started        78 rentry.co 14->78 100 Multi AV Scanner detection for dropped file 14->100 102 Machine Learning detection for dropped file 14->102 23 conhost.exe 16->23         started        25 chcp.com 16->25         started        file6 signatures7 process8 dnsIp9 70 api.telegram.org 149.154.167.220, 443, 49719 TELEGRAMRU United Kingdom 18->70 72 rentry.co 107.189.8.5, 443, 49718, 49730 PONYNETUS United States 18->72 74 4 other IPs or domains 18->74 54 C:\ProgramData\RuntimeBrokerData\svhost.exe, PE32+ 18->54 dropped 56 C:\ProgramData\...\WinRing0x64.sys, PE32+ 18->56 dropped 58 C:\ProgramData\...\RuntimeBroker.exe, PE32 18->58 dropped 60 2 other malicious files 18->60 dropped 88 Antivirus detection for dropped file 18->88 90 Multi AV Scanner detection for dropped file 18->90 92 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->92 94 3 other signatures 18->94 27 cmd.exe 1 18->27         started        30 cmd.exe 18->30         started        32 cmd.exe 1 18->32         started        34 13 other processes 18->34 file10 signatures11 process12 signatures13 104 Encrypted powershell cmdline option found 27->104 106 Uses schtasks.exe or at.exe to add and modify task schedules 27->106 108 Uses powercfg.exe to modify the power settings 27->108 36 powershell.exe 5 27->36         started        38 conhost.exe 27->38         started        110 Modifies power options to not sleep / hibernate 30->110 50 7 other processes 30->50 40 conhost.exe 32->40         started        42 schtasks.exe 1 32->42         started        44 conhost.exe 34->44         started        46 conhost.exe 34->46         started        48 conhost.exe 34->48         started        52 23 other processes 34->52 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37039db3666b741d1a65031170e510f509cf7a9b526dd225af7e0ce754e958eb/
Threat name:
Win32.Trojan.Cerbu
Create hunting rule
Status:
Malicious
First seen:
2022-12-31 00:56:55 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g4bz3m3gnn2b2gtfamixbziq6ue466u3kjw5ejnppygoovhjldvq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/221231-mq4v2she28/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/83fb7a3b-99da-4bc4-bea9-334bca5507bf
Unpacked files
SH256 hash:
a97d75364cf52b22c5017c929e4dbaef1c99a96b756e5c24a6389891b5eb56b7
MD5 hash:
e2856b5dd9f057e0680bb7817a04c903
SHA1 hash:
0ce7c9df8ba28d06230f0d12f289279ed819faec
Link:
https://www.unpac.me/results/8a685ff3-2b8c-4380-a955-a8dd80c33ffe/
SH256 hash:
37039db3666b741d1a65031170e510f509cf7a9b526dd225af7e0ce754e958eb
MD5 hash:
21e10975918a63457d1a007e369791db
SHA1 hash:
610eb4e626a8ab1edbd5a9e94c4f68fd9672c264
Link:
https://www.unpac.me/results/8a685ff3-2b8c-4380-a955-a8dd80c33ffe/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/37039db3666b741d1a65031170e510f509cf7a9b526dd225af7e0ce754e958eb

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_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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.

Web download

CoinMiner

Executable exe 37039db3666b741d1a65031170e510f509cf7a9b526dd225af7e0ce754e958eb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2488586/
  
Delivery method
Distributed via web download

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