MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4d7694d182ee9c579a748ca38f31bd56ec8dd91824e2142fb61e31cbde389bf. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4d7694d182ee9c579a748ca38f31bd56ec8dd91824e2142fb61e31cbde389bf
SHA3-384 hash: a763c0279f3b872b66500afccf23c2b050cb9e673f08b4d72ff2e28071051087b1c3a766b081f733f3cc65896f203576
SHA1 hash: 5273e0ff523ae20b160a861452cd426dcba8a02a
MD5 hash: 62e794dd419ff66645f474a7e7bf0b57
humanhash: fourteen-happy-finch-august
File name:mapper.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:3'961'344 bytes
First seen:2022-02-12 05:54:41 UTC
Last seen:2022-02-12 08:13:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 84bb1ac192dd1d591766b467b12ade64 (8 x CoinMiner, 5 x DCRat, 2 x RedLineStealer)
ssdeep 98304:g2w/j2LMifj0iahFBpetWHUZWeElCawBPIYZ:bsSLFrFupe4UZQlCFPI
Threatray 436 similar samples on MalwareBazaar
TLSH T147063317EBC90C5DCC38EE3E81E98318177B9FC9886656E37DDB368872B1F45868105A
Reporter tech_skeech
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
mapper.exe.bin
Verdict:
Malicious activity
Analysis date:
2022-01-20 01:49:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0fbd4707-180d-4199-827c-6149f6b61af2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/241015/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
Create hunting rule

PUA.Win.Packer.EnigmaProtector-1
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file in the %temp% directory
Running batch commands
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
enigma packed zpevdo
Link:
https://www.filescan.io/uploads/62074bba289e2f3e4fc7cbbc/reports/5300911c-f245-4fb7-ba93-b8bbc655c41b/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.
Malware family:
CoinMiner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/52fabaf0-8453-4e33-b8d0-f2577b101a05
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/938699
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Potential dropper URLs found in powershell memory
Sample is not signed and drops a device driver
Tries to evade analysis by execution special instruction which cause usermode exception
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected GDRV Vulnerable Kernel Driver
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 571177 Sample: mapper.exe Startdate: 12/02/2022 Architecture: WINDOWS Score: 100 87 Antivirus / Scanner detection for submitted sample 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 Yara detected GDRV Vulnerable Kernel Driver 2->91 93 5 other signatures 2->93 10 mapper.exe 6 2->10         started        14 services32.exe 2->14         started        process3 file4 71 C:\Users\user\AppData\...\conhost_ns.exe, PE32+ 10->71 dropped 73 C:\Users\user\AppData\Local\Temp\mapper.exe, PE32+ 10->73 dropped 75 C:\Users\user\AppData\Local\...\drivers.sys, PE32+ 10->75 dropped 77 C:\Users\user\AppData\Local\Temp\Swoof.sys, PE32+ 10->77 dropped 103 Detected unpacking (changes PE section rights) 10->103 105 Sample is not signed and drops a device driver 10->105 107 Tries to evade analysis by execution special instruction which cause usermode exception 10->107 109 Hides threads from debuggers 10->109 16 conhost_ns.exe 5 10->16         started        20 mapper.exe 1 10->20         started        111 Antivirus detection for dropped file 14->111 113 Multi AV Scanner detection for dropped file 14->113 115 Machine Learning detection for dropped file 14->115 22 cmd.exe 14->22         started        24 sihost64.exe 14->24         started        signatures5 process6 file7 67 C:\Users\user\Windows\services32.exe, PE32+ 16->67 dropped 79 Antivirus detection for dropped file 16->79 81 Multi AV Scanner detection for dropped file 16->81 83 Machine Learning detection for dropped file 16->83 26 cmd.exe 16->26         started        28 cmd.exe 1 16->28         started        31 cmd.exe 16->31         started        33 conhost.exe 20->33         started        85 Encrypted powershell cmdline option found 22->85 35 conhost.exe 22->35         started        37 powershell.exe 22->37         started        39 powershell.exe 22->39         started        signatures8 process9 signatures10 41 services32.exe 26->41         started        44 conhost.exe 26->44         started        117 Encrypted powershell cmdline option found 28->117 119 Uses schtasks.exe or at.exe to add and modify task schedules 28->119 46 powershell.exe 23 28->46         started        48 powershell.exe 16 28->48         started        50 conhost.exe 28->50         started        52 conhost.exe 31->52         started        54 schtasks.exe 31->54         started        process11 file12 69 C:\Users\user\AppData\...\sihost64.exe, PE32+ 41->69 dropped 56 sihost64.exe 41->56         started        59 cmd.exe 41->59         started        process13 signatures14 95 Antivirus detection for dropped file 56->95 97 Multi AV Scanner detection for dropped file 56->97 99 Machine Learning detection for dropped file 56->99 101 Encrypted powershell cmdline option found 59->101 61 conhost.exe 59->61         started        63 powershell.exe 59->63         started        65 powershell.exe 59->65         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4d7694d182ee9c579a748ca38f31bd56ec8dd91824e2142fb61e31cbde389bf/
Threat name:
Win32.Hacktool.Pucrpt
Create hunting rule
Status:
Malicious
First seen:
2022-01-24 02:03:23 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
32 of 43 (74.42%)
Threat level:
  1/5
Verdict:
malicious
Similar samples:
0254039d5d5248ada3a754d8d033ca28627e51e4c5253ad80729e6324391c672
CoinMiner
5574e0b5e404aa5bad86dd9aca033eb35421ec30dd91a9777bd6b053514010d7
CoinMiner
7023f35807e56aaf88350536ca380ac137d810958d6307e29454bf5336021a78
CoinMiner
7b0f445718f91d7d32669089ecf436c8cfc3639f756ef1d91f8ba5aa90c5145a
CoinMiner
9eb993a0a54cb16395aced5282b948d7d154722fe052e3f9cb139a34f063f04f
CoinMiner
e80b6b17c71fbba13316f2c9fbda01c59abeff6da89d70c79396e82f6dc51dc9
CoinMiner
+ 426 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220212-gmgnfsgga7/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
a4d7694d182ee9c579a748ca38f31bd56ec8dd91824e2142fb61e31cbde389bf
MD5 hash:
62e794dd419ff66645f474a7e7bf0b57
SHA1 hash:
5273e0ff523ae20b160a861452cd426dcba8a02a
Link:
https://www.unpac.me/results/7fc65e74-39d2-4fc9-822c-99c558c1c2a4/
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:exec_macros
Create hunting rule
Author:ddvvmmzz
Description:exec macros
Rule name:obfuscate_macros
Create hunting rule
Author:ddvvmmzz
Description:obfuscate macros
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information

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

Web download

CoinMiner

Executable exe a4d7694d182ee9c579a748ca38f31bd56ec8dd91824e2142fb61e31cbde389bf

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/241015/

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