xmrig | c78fa5b39f8f805ebdaf9ad0f58ecc274f2caa3f6c60273813b27141182d7531

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-05-2024 04:54

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General

Target

Access/Redirect to Access.exe
Size

2.5MB
MD5

16cd4cb40bf3e13146f06b01cc5dd251
SHA1

1852f2b44fb024c0d1039c1497d45e10ac8586db
SHA256

e45f3b1634526e3277275eb9962fc4b9d3e299bc5348b08d649a4b09b3991e35
SHA512

1fb86bf170a858d0037c9207c9877fac82231efc39e48fbe66bb0879ef87a0ae692ba731aaa102a4be7211176e53b4d40ad91a68c7c3c02a29d1ffc433cf9fb6
SSDEEP

49152:ye4U8f2fvPcuPvhN4UgpX6FWmHEksxF68RNcK7hojRvLbwcrbEGf3LkKSKGS:ye4U8f2DPvh26tHZ6F6a2+hwNw24GT3b

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
behavioral5/memory/1876-34-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral5/memory/1876-36-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral5/memory/1876-40-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral5/memory/1876-38-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral5/memory/1876-37-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral5/memory/1876-39-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral5/memory/1876-33-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral5/memory/1876-41-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral5/memory/1876-42-0x0000000140000000-0x0000000140848000-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
2120	powershell.exe
2844	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
2816	AdBlockV1.01.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
behavioral5/memory/1876-28-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-34-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-32-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-36-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-40-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-38-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-37-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-39-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-31-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-29-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-33-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-30-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-41-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral5/memory/1876-42-0x0000000140000000-0x0000000140848000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
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	Redirect to Access.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	AdBlockV1.01.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2760	2816	AdBlockV1.01.exe	67
PID 2816 set thread context of 1876	2816	AdBlockV1.01.exe	68

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
2540	sc.exe
2988	sc.exe
1900	sc.exe
2292	sc.exe
1528	sc.exe
2440	sc.exe
2428	sc.exe
2404	sc.exe
2964	sc.exe
2436	sc.exe
1596	sc.exe
1548	sc.exe
2960	sc.exe
2736	sc.exe

Modifies data under HKEY_USERS 2 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 = b0a0b7e571aada01	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2588	Redirect to Access.exe
2120	powershell.exe
2588	Redirect to Access.exe
2588	Redirect to Access.exe
2588	Redirect to Access.exe
2588	Redirect to Access.exe
2588	Redirect to Access.exe
2588	Redirect to Access.exe
2588	Redirect to Access.exe
2588	Redirect to Access.exe
2588	Redirect to Access.exe
2588	Redirect to Access.exe
2816	AdBlockV1.01.exe
2844	powershell.exe
2816	AdBlockV1.01.exe
2816	AdBlockV1.01.exe
2816	AdBlockV1.01.exe
2816	AdBlockV1.01.exe
2816	AdBlockV1.01.exe
2816	AdBlockV1.01.exe
2816	AdBlockV1.01.exe
2816	AdBlockV1.01.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe
1876	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2120	powershell.exe
Token: SeDebugPrivilege	2844	powershell.exe
Token: SeLockMemoryPrivilege	1876	explorer.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2720	2628	cmd.exe	34
PID 2628 wrote to memory of 2720	2628	cmd.exe	34
PID 2628 wrote to memory of 2720	2628	cmd.exe	34
PID 2836 wrote to memory of 1544	2836	cmd.exe	59
PID 2836 wrote to memory of 1544	2836	cmd.exe	59
PID 2836 wrote to memory of 1544	2836	cmd.exe	59
PID 2816 wrote to memory of 2760	2816	AdBlockV1.01.exe	67
PID 2816 wrote to memory of 2760	2816	AdBlockV1.01.exe	67
PID 2816 wrote to memory of 2760	2816	AdBlockV1.01.exe	67
PID 2816 wrote to memory of 2760	2816	AdBlockV1.01.exe	67
PID 2816 wrote to memory of 2760	2816	AdBlockV1.01.exe	67
PID 2816 wrote to memory of 2760	2816	AdBlockV1.01.exe	67
PID 2816 wrote to memory of 2760	2816	AdBlockV1.01.exe	67
PID 2816 wrote to memory of 2760	2816	AdBlockV1.01.exe	67
PID 2816 wrote to memory of 2760	2816	AdBlockV1.01.exe	67
PID 2816 wrote to memory of 1876	2816	AdBlockV1.01.exe	68
PID 2816 wrote to memory of 1876	2816	AdBlockV1.01.exe	68
PID 2816 wrote to memory of 1876	2816	AdBlockV1.01.exe	68
PID 2816 wrote to memory of 1876	2816	AdBlockV1.01.exe	68
PID 2816 wrote to memory of 1876	2816	AdBlockV1.01.exe	68

C:\Users\Admin\AppData\Local\Temp\Access\Redirect to Access.exe
"C:\Users\Admin\AppData\Local\Temp\Access\Redirect to Access.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2588
- 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:2120
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:2720
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:2540
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:2440
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:2428
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:2404
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:2436
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe delete "ChromeAddons"
  2⤵
  - Launches sc.exe
  PID:2960
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe create "ChromeAddons" binpath= "C:\ProgramData\ChromeAddons64\AdBlockV1.01.exe" start= "auto"
  2⤵
  - Launches sc.exe
  PID:2964
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop eventlog
  2⤵
  - Launches sc.exe
  PID:2292
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe start "ChromeAddons"
  2⤵
  - Launches sc.exe
  PID:1596

C:\ProgramData\ChromeAddons64\AdBlockV1.01.exe
C:\ProgramData\ChromeAddons64\AdBlockV1.01.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2844
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:1544
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:2988
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:1528
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:1548
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:2736
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:1900
- C:\Windows\system32\conhost.exe
  C:\Windows\system32\conhost.exe
  2⤵
  PID:2760
- C:\Windows\explorer.exe
  explorer.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1876

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

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

\ProgramData\ChromeAddons64\AdBlockV1.01.exe

Filesize
2.5MB

MD5
16cd4cb40bf3e13146f06b01cc5dd251

SHA1
1852f2b44fb024c0d1039c1497d45e10ac8586db

SHA256
e45f3b1634526e3277275eb9962fc4b9d3e299bc5348b08d649a4b09b3991e35

SHA512
1fb86bf170a858d0037c9207c9877fac82231efc39e48fbe66bb0879ef87a0ae692ba731aaa102a4be7211176e53b4d40ad91a68c7c3c02a29d1ffc433cf9fb6

Download Submit
memory/1876-37-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-42-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-30-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-33-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-29-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-31-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-41-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-28-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-39-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-38-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-40-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-36-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-32-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-34-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1876-35-0x0000000000140000-0x0000000000160000-memory.dmp

Filesize
128KB

Download
memory/2120-12-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2120-11-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2120-5-0x000000001B510000-0x000000001B7F2000-memory.dmp

Filesize
2.9MB

Download
memory/2120-6-0x0000000001D50000-0x0000000001D58000-memory.dmp

Filesize
32KB

Download
memory/2120-9-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2120-10-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2120-8-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2120-7-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2120-4-0x000007FEF5F5E000-0x000007FEF5F5F000-memory.dmp

Filesize
4KB

Download
memory/2760-19-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2760-23-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2760-26-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2760-22-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2760-21-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2760-20-0x0000000140000000-0x000000014000D000-memory.dmp

Filesize
52KB

Download
memory/2844-17-0x0000000019EC0000-0x000000001A1A2000-memory.dmp

Filesize
2.9MB

Download
memory/2844-18-0x0000000000CA0000-0x0000000000CA8000-memory.dmp

Filesize
32KB

Download