xmrig | b4f0d77f5688afdcbd0e8ee79dbd30a734280878cc4ffe1fac1f3cdebc4c5605

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-01-2025 19:19

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General

Target

lolz.exe
Size

5.0MB
MD5

c814bb1eb11d8e69b2b13982d658d79c
SHA1

8ee6766f76a243b8b32107a97930020a7a8eef50
SHA256

b4f0d77f5688afdcbd0e8ee79dbd30a734280878cc4ffe1fac1f3cdebc4c5605
SHA512

ae2d10e498589f42530995c4cffda917239a8a216468ff264cb0fe8de703e51f78612053d5c86521e0e30863c1ccd36322587b9828ee8f0679dbb7c2bad0628c
SSDEEP

98304:zdPupPUwdawGgC3D+euvqKYzbupsOismK03mUHzcvO8xwahthJsq:zZwdawGPDf8Ebuxo9wvrzhJsq

Score

10^/10

xmrig defense_evasion execution miner persistence upx

Malware Config

Signatures

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

XMRig Miner payload 9 IoCs

miner

resource	yara_rule
behavioral1/memory/2036-33-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2036-32-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2036-35-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2036-39-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2036-38-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2036-37-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2036-36-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2036-40-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2036-41-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3064	powershell.exe
2688	powershell.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 2 IoCs

pid	Process
472	Process not Found
2632	rcxpjaaawyeg.exe

Loads dropped DLL 1 IoCs

pid	Process
472	Process not Found

Legitimate hosting services abused for malware hosting/C2 1 TTPs 11 IoCs

Web Service

T1102

flow	ioc
5	raw.githubusercontent.com
6	raw.githubusercontent.com
10	raw.githubusercontent.com
13	raw.githubusercontent.com
4	raw.githubusercontent.com
7	raw.githubusercontent.com
8	raw.githubusercontent.com
9	raw.githubusercontent.com
11	raw.githubusercontent.com
12	raw.githubusercontent.com
14	raw.githubusercontent.com

Power Settings 1 TTPs 8 IoCs

powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

persistence

Power Settings

T1653

pid	Process
2656	powercfg.exe
2876	powercfg.exe
2872	powercfg.exe
2768	powercfg.exe
2756	powercfg.exe
1084	powercfg.exe
1596	powercfg.exe
560	powercfg.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\MRT.exe	rcxpjaaawyeg.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\system32\MRT.exe	lolz.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 set thread context of 2036	2632	rcxpjaaawyeg.exe	66

UPX packed file 14 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2036-27-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-31-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-28-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-30-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-33-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-32-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-29-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-35-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-39-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-38-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-37-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-36-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-40-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2036-41-0x0000000140000000-0x0000000140848000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\wusa.lock	wusa.exe
File created	C:\Windows\wusa.lock	wusa.exe

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2888	sc.exe
2952	sc.exe
2660	sc.exe
2896	sc.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\ROOT\CTLs	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = e01243cf8272db01	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\ROOT	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\ROOT\CRLs	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2128	lolz.exe
3064	powershell.exe
2128	lolz.exe
2128	lolz.exe
2128	lolz.exe
2128	lolz.exe
2128	lolz.exe
2128	lolz.exe
2128	lolz.exe
2128	lolz.exe
2128	lolz.exe
2632	rcxpjaaawyeg.exe
2688	powershell.exe
2632	rcxpjaaawyeg.exe
2632	rcxpjaaawyeg.exe
2632	rcxpjaaawyeg.exe
2632	rcxpjaaawyeg.exe
2632	rcxpjaaawyeg.exe
2632	rcxpjaaawyeg.exe
2632	rcxpjaaawyeg.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe
2036	explorer.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	3064	powershell.exe
Token: SeShutdownPrivilege	2756	powercfg.exe
Token: SeShutdownPrivilege	2876	powercfg.exe
Token: SeShutdownPrivilege	2872	powercfg.exe
Token: SeShutdownPrivilege	2768	powercfg.exe
Token: SeDebugPrivilege	2688	powershell.exe
Token: SeShutdownPrivilege	1084	powercfg.exe
Token: SeShutdownPrivilege	560	powercfg.exe
Token: SeShutdownPrivilege	2656	powercfg.exe
Token: SeShutdownPrivilege	1596	powercfg.exe
Token: SeLockMemoryPrivilege	2036	explorer.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2916	2264	cmd.exe	45
PID 2264 wrote to memory of 2916	2264	cmd.exe	45
PID 2264 wrote to memory of 2916	2264	cmd.exe	45
PID 2632 wrote to memory of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 wrote to memory of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 wrote to memory of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 wrote to memory of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 wrote to memory of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 wrote to memory of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 wrote to memory of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 wrote to memory of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 wrote to memory of 1292	2632	rcxpjaaawyeg.exe	60
PID 2632 wrote to memory of 2036	2632	rcxpjaaawyeg.exe	66
PID 2632 wrote to memory of 2036	2632	rcxpjaaawyeg.exe	66
PID 2632 wrote to memory of 2036	2632	rcxpjaaawyeg.exe	66
PID 2632 wrote to memory of 2036	2632	rcxpjaaawyeg.exe	66
PID 2632 wrote to memory of 2036	2632	rcxpjaaawyeg.exe	66
PID 2192 wrote to memory of 1652	2192	cmd.exe	67
PID 2192 wrote to memory of 1652	2192	cmd.exe	67
PID 2192 wrote to memory of 1652	2192	cmd.exe	67

C:\Users\Admin\AppData\Local\Temp\lolz.exe
"C:\Users\Admin\AppData\Local\Temp\lolz.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2128
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3064
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:2916
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2768
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2872
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe delete "DQGNHXTQ"
  2⤵
  - Launches sc.exe
  PID:2888
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe create "DQGNHXTQ" binpath= "C:\ProgramData\tyhfbhtderll\rcxpjaaawyeg.exe" start= "auto"
  2⤵
  - Launches sc.exe
  PID:2952
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop eventlog
  2⤵
  - Launches sc.exe
  PID:2660
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe start "DQGNHXTQ"
  2⤵
  - Launches sc.exe
  PID:2896

C:\ProgramData\tyhfbhtderll\rcxpjaaawyeg.exe
C:\ProgramData\tyhfbhtderll\rcxpjaaawyeg.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2688
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:1652
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2656
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:560
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:1596
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:1084
- C:\Windows\system32\conhost.exe
  C:\Windows\system32\conhost.exe
  2⤵
  PID:1292
- C:\Windows\explorer.exe
  explorer.exe
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Power Settings

T1653

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\tyhfbhtderll\rcxpjaaawyeg.exe

Filesize
5.0MB

MD5
c814bb1eb11d8e69b2b13982d658d79c

SHA1
8ee6766f76a243b8b32107a97930020a7a8eef50

SHA256
b4f0d77f5688afdcbd0e8ee79dbd30a734280878cc4ffe1fac1f3cdebc4c5605

SHA512
ae2d10e498589f42530995c4cffda917239a8a216468ff264cb0fe8de703e51f78612053d5c86521e0e30863c1ccd36322587b9828ee8f0679dbb7c2bad0628c

Download Submit
memory/1292-18-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/1292-19-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/1292-20-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/1292-21-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/1292-22-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/1292-24-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2036-32-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-39-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-40-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-36-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-37-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-38-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-35-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-29-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-27-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-41-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-33-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-31-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-28-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-30-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2036-34-0x00000000000B0000-0x00000000000D0000-memory.dmp

Filesize
128KB

Download
memory/2688-17-0x00000000011C0000-0x00000000011C8000-memory.dmp

Filesize
32KB

Download
memory/2688-16-0x0000000019E50000-0x000000001A132000-memory.dmp

Filesize
2.9MB

Download
memory/3064-5-0x000000001B6B0000-0x000000001B992000-memory.dmp

Filesize
2.9MB

Download
memory/3064-7-0x000007FEF4680000-0x000007FEF501D000-memory.dmp

Filesize
9.6MB

Download
memory/3064-8-0x000007FEF4680000-0x000007FEF501D000-memory.dmp

Filesize
9.6MB

Download
memory/3064-10-0x000007FEF4680000-0x000007FEF501D000-memory.dmp

Filesize
9.6MB

Download
memory/3064-6-0x0000000001EB0000-0x0000000001EB8000-memory.dmp

Filesize
32KB

Download
memory/3064-9-0x000007FEF4680000-0x000007FEF501D000-memory.dmp

Filesize
9.6MB

Download
memory/3064-11-0x000007FEF4680000-0x000007FEF501D000-memory.dmp

Filesize
9.6MB

Download
memory/3064-4-0x000007FEF493E000-0x000007FEF493F000-memory.dmp

Filesize
4KB

Download