xmrig | b1a351ee61443b8558934dca6b2fa9efb0a6d2d18bae61ace5a761596604dbfa

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09-07-2024 02:49

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General

Target

Updatemmmm.exe
Size

2.6MB
MD5

61d3abff46a6bd2946925542c7d30397
SHA1

1fed80a136e67a5b7b6846010a5853400886ee9c
SHA256

b1a351ee61443b8558934dca6b2fa9efb0a6d2d18bae61ace5a761596604dbfa
SHA512

e9e25995faff34da94d30394474471dba45f5993a2efd07f5fb8c15cfdf7b3efa7c89d6796c66323938a1c31b3b89bd7578bef7c4297c6a9b68811f00aa89975
SSDEEP

49152:e+CCncEUAhZfuFtUasR7NICKP6Fhjf+POnLcjzlfXhITNE1u5xY13oNV:c8cMhZfuF6asRxm6Flf++olfX2u1OY13

Score

10^/10

xmrig evasion execution miner persistence upx

Malware Config

Signatures

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/1640-31-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1640-36-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1640-35-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1640-33-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1640-30-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1640-34-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1640-37-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1640-38-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1640-39-0x0000000140000000-0x0000000140848000-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
2084	powershell.exe
2808	powershell.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

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

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 2 IoCs

pid	Process
480	Process not Found
2604	Updater.exe

Loads dropped DLL 1 IoCs

pid	Process
480	Process not Found

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1640-25-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-31-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-36-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-35-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-33-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-30-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-28-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-27-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-34-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-29-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-26-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-37-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-38-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1640-39-0x0000000140000000-0x0000000140848000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	pastebin.com
5	pastebin.com

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\MRT.exe	Updater.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	Updatemmmm.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 2604 set thread context of 2092	2604	Updater.exe	69
PID 2604 set thread context of 1640	2604	Updater.exe	70

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 14 IoCs

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

pid	Process
348	sc.exe
2832	sc.exe
2704	sc.exe
1964	sc.exe
648	sc.exe
2364	sc.exe
3056	sc.exe
2720	sc.exe
2860	sc.exe
2856	sc.exe
2468	sc.exe
2012	sc.exe
2580	sc.exe
2536	sc.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
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 = 40c0d7b5aad1da01	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\ROOT	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\ROOT\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\ROOT\CTLs	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2480	Updatemmmm.exe
2084	powershell.exe
2480	Updatemmmm.exe
2480	Updatemmmm.exe
2480	Updatemmmm.exe
2480	Updatemmmm.exe
2480	Updatemmmm.exe
2480	Updatemmmm.exe
2480	Updatemmmm.exe
2480	Updatemmmm.exe
2480	Updatemmmm.exe
2480	Updatemmmm.exe
2604	Updater.exe
2808	powershell.exe
2604	Updater.exe
2604	Updater.exe
2604	Updater.exe
2604	Updater.exe
2604	Updater.exe
2604	Updater.exe
2604	Updater.exe
2604	Updater.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe
1640	svchost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	powershell.exe
Token: SeDebugPrivilege	2480	Updatemmmm.exe
Token: SeDebugPrivilege	2808	powershell.exe
Token: SeDebugPrivilege	2604	Updater.exe
Token: SeLockMemoryPrivilege	1640	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2020	2112	cmd.exe	37
PID 2112 wrote to memory of 2020	2112	cmd.exe	37
PID 2112 wrote to memory of 2020	2112	cmd.exe	37
PID 2572 wrote to memory of 3020	2572	cmd.exe	61
PID 2572 wrote to memory of 3020	2572	cmd.exe	61
PID 2572 wrote to memory of 3020	2572	cmd.exe	61
PID 2604 wrote to memory of 2092	2604	Updater.exe	69
PID 2604 wrote to memory of 2092	2604	Updater.exe	69
PID 2604 wrote to memory of 2092	2604	Updater.exe	69
PID 2604 wrote to memory of 2092	2604	Updater.exe	69
PID 2604 wrote to memory of 2092	2604	Updater.exe	69
PID 2604 wrote to memory of 2092	2604	Updater.exe	69
PID 2604 wrote to memory of 2092	2604	Updater.exe	69
PID 2604 wrote to memory of 2092	2604	Updater.exe	69
PID 2604 wrote to memory of 2092	2604	Updater.exe	69
PID 2604 wrote to memory of 1640	2604	Updater.exe	70
PID 2604 wrote to memory of 1640	2604	Updater.exe	70
PID 2604 wrote to memory of 1640	2604	Updater.exe	70
PID 2604 wrote to memory of 1640	2604	Updater.exe	70
PID 2604 wrote to memory of 1640	2604	Updater.exe	70

C:\Users\Admin\AppData\Local\Temp\Updatemmmm.exe
"C:\Users\Admin\AppData\Local\Temp\Updatemmmm.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480
- 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:2084
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:2020
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:2364
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:2468
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:2012
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:348
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:2720
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe delete "WindowsUpdate"
  2⤵
  - Launches sc.exe
  PID:2832
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe create "WindowsUpdate" binpath= "C:\ProgramData\Windows11\Updater.exe" start= "auto"
  2⤵
  - Launches sc.exe
  PID:2860
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop eventlog
  2⤵
  - Launches sc.exe
  PID:2856
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe start "WindowsUpdate"
  2⤵
  - Launches sc.exe
  PID:2704

C:\ProgramData\Windows11\Updater.exe
C:\ProgramData\Windows11\Updater.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604
- 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:2808
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:3020
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:2580
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:2536
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:3056
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:1964
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:648
- C:\Windows\system32\conhost.exe
  C:\Windows\system32\conhost.exe
  2⤵
  PID:2092
- C:\Windows\system32\svchost.exe
  svchost.exe
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1640

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

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

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Downloads

\ProgramData\Windows11\Updater.exe

Filesize
2.6MB

MD5
61d3abff46a6bd2946925542c7d30397

SHA1
1fed80a136e67a5b7b6846010a5853400886ee9c

SHA256
b1a351ee61443b8558934dca6b2fa9efb0a6d2d18bae61ace5a761596604dbfa

SHA512
e9e25995faff34da94d30394474471dba45f5993a2efd07f5fb8c15cfdf7b3efa7c89d6796c66323938a1c31b3b89bd7578bef7c4297c6a9b68811f00aa89975

Download Submit
memory/1640-27-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-26-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-31-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-39-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-36-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-38-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-37-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-33-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-29-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-32-0x00000000004C0000-0x00000000004E0000-memory.dmp

Filesize
128KB

Download
memory/1640-34-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-35-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-28-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-25-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1640-30-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2084-9-0x000007FEF5C80000-0x000007FEF661D000-memory.dmp

Filesize
9.6MB

Download
memory/2084-5-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

Filesize
2.9MB

Download
memory/2084-6-0x0000000001F40000-0x0000000001F48000-memory.dmp

Filesize
32KB

Download
memory/2084-7-0x000007FEF5C80000-0x000007FEF661D000-memory.dmp

Filesize
9.6MB

Download
memory/2084-8-0x000007FEF5C80000-0x000007FEF661D000-memory.dmp

Filesize
9.6MB

Download
memory/2084-4-0x000007FEF5F3E000-0x000007FEF5F3F000-memory.dmp

Filesize
4KB

Download
memory/2092-20-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2092-18-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2092-16-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2092-23-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2092-19-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2092-17-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2808-15-0x00000000012C0000-0x00000000012C8000-memory.dmp

Filesize
32KB

Download
memory/2808-14-0x000000001A100000-0x000000001A3E2000-memory.dmp

Filesize
2.9MB

Download