xmrig | 36977b28c9fed001eac6ee6618edb0b5a8d1f47e7bc43c43124a9633dcf6b7bc

Analysis

max time kernel
149s
max time network
141s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 17:19

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General

Target

coldrain.exe
Size

5.0MB
MD5

d3750f6797201c09918071e5cfbc5b31
SHA1

bacd5effd168ff9a16c59d93b499713858ed93fc
SHA256

36977b28c9fed001eac6ee6618edb0b5a8d1f47e7bc43c43124a9633dcf6b7bc
SHA512

cdab6afd2fa7720dbbc71069b1afb154f695232ee8f4cae3c49b2bba04edcc6e5cb48019556816988bc352682c4293662e6dd3ac8b23bc50e34c4c1a0a79b5d6
SSDEEP

98304:DcuBfco43+mCaazAoQqk3EdjiYQA7uHrrQN457K+8aatJgv/BxHR0wjvakHMXP:dBftXX1Qv3EBiu7eRfvJxxvPs/

Score

10^/10

xmrig 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/1700-37-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1700-39-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1700-38-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1700-36-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1700-34-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1700-33-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1700-40-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1700-41-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1700-42-0x0000000140000000-0x0000000140848000-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
2104	powershell.exe
3060	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
476	Process not Found
1708	gmstcccpdzbb.exe

Loads dropped DLL 1 IoCs

pid	Process
476	Process not Found

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
2800	powercfg.exe
2672	powercfg.exe
2740	powercfg.exe
1916	powercfg.exe
608	powercfg.exe
1768	powercfg.exe
872	powercfg.exe
2764	powercfg.exe

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	gmstcccpdzbb.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	coldrain.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1708 set thread context of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 set thread context of 1700	1708	gmstcccpdzbb.exe	87

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1700-31-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-28-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-37-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-39-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-38-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-36-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-34-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-33-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-32-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-30-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-29-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-40-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-41-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1700-42-0x0000000140000000-0x0000000140848000-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 14 IoCs

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

pid	Process
2836	sc.exe
600	sc.exe
2880	sc.exe
1028	sc.exe
2744	sc.exe
2040	sc.exe
2984	sc.exe
2852	sc.exe
2972	sc.exe
2996	sc.exe
2000	sc.exe
2216	sc.exe
1804	sc.exe
840	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 = 50083d7ccc53db01	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1960	coldrain.exe
2104	powershell.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1960	coldrain.exe
1708	gmstcccpdzbb.exe
3060	powershell.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1708	gmstcccpdzbb.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe
1700	conhost.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	powershell.exe
Token: SeShutdownPrivilege	2800	powercfg.exe
Token: SeShutdownPrivilege	2740	powercfg.exe
Token: SeShutdownPrivilege	2672	powercfg.exe
Token: SeShutdownPrivilege	2764	powercfg.exe
Token: SeDebugPrivilege	3060	powershell.exe
Token: SeShutdownPrivilege	872	powercfg.exe
Token: SeShutdownPrivilege	1916	powercfg.exe
Token: SeShutdownPrivilege	1768	powercfg.exe
Token: SeShutdownPrivilege	608	powercfg.exe
Token: SeLockMemoryPrivilege	1700	conhost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2820	2112	cmd.exe	37
PID 2112 wrote to memory of 2820	2112	cmd.exe	37
PID 2112 wrote to memory of 2820	2112	cmd.exe	37
PID 2896 wrote to memory of 3032	2896	cmd.exe	69
PID 2896 wrote to memory of 3032	2896	cmd.exe	69
PID 2896 wrote to memory of 3032	2896	cmd.exe	69
PID 1708 wrote to memory of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 wrote to memory of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 wrote to memory of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 wrote to memory of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 wrote to memory of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 wrote to memory of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 wrote to memory of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 wrote to memory of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 wrote to memory of 2588	1708	gmstcccpdzbb.exe	83
PID 1708 wrote to memory of 1700	1708	gmstcccpdzbb.exe	87
PID 1708 wrote to memory of 1700	1708	gmstcccpdzbb.exe	87
PID 1708 wrote to memory of 1700	1708	gmstcccpdzbb.exe	87
PID 1708 wrote to memory of 1700	1708	gmstcccpdzbb.exe	87
PID 1708 wrote to memory of 1700	1708	gmstcccpdzbb.exe	87

C:\Users\Admin\AppData\Local\Temp\coldrain.exe
"C:\Users\Admin\AppData\Local\Temp\coldrain.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:1960
- 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:2104
- 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:2820
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:2216
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:2836
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:2852
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:2744
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:2972
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2764
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2672
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe delete "XLZQHCLS"
  2⤵
  - Launches sc.exe
  PID:2040
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe create "XLZQHCLS" binpath= "C:\ProgramData\oaocofwmfjha\gmstcccpdzbb.exe" start= "auto"
  2⤵
  - Launches sc.exe
  PID:600
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop eventlog
  2⤵
  - Launches sc.exe
  PID:840
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe start "XLZQHCLS"
  2⤵
  - Launches sc.exe
  PID:1804

C:\ProgramData\oaocofwmfjha\gmstcccpdzbb.exe
C:\ProgramData\oaocofwmfjha\gmstcccpdzbb.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1708
- 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:3060
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:3032
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:2996
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:2984
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:2880
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:2000
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:1028
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:1916
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:872
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:1768
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:608
- C:\Windows\system32\conhost.exe
  C:\Windows\system32\conhost.exe
  2⤵
  PID:2588
- C:\Windows\system32\conhost.exe
  conhost.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1700

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

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

\ProgramData\oaocofwmfjha\gmstcccpdzbb.exe

Filesize
5.0MB

MD5
d3750f6797201c09918071e5cfbc5b31

SHA1
bacd5effd168ff9a16c59d93b499713858ed93fc

SHA256
36977b28c9fed001eac6ee6618edb0b5a8d1f47e7bc43c43124a9633dcf6b7bc

SHA512
cdab6afd2fa7720dbbc71069b1afb154f695232ee8f4cae3c49b2bba04edcc6e5cb48019556816988bc352682c4293662e6dd3ac8b23bc50e34c4c1a0a79b5d6

Download Submit
memory/1700-34-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-42-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-40-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-29-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-30-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-32-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-41-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-31-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-33-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-36-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-38-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-39-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-37-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-28-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1700-35-0x00000000001B0000-0x00000000001D0000-memory.dmp

Filesize
128KB

Download
memory/2104-12-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2104-6-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2104-5-0x000000001B4E0000-0x000000001B7C2000-memory.dmp

Filesize
2.9MB

Download
memory/2104-8-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2104-7-0x0000000002190000-0x0000000002198000-memory.dmp

Filesize
32KB

Download
memory/2104-10-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2104-9-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2104-11-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2104-4-0x000007FEF544E000-0x000007FEF544F000-memory.dmp

Filesize
4KB

Download
memory/2588-26-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2588-23-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2588-19-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2588-22-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2588-21-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2588-20-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/3060-17-0x0000000019FE0000-0x000000001A2C2000-memory.dmp

Filesize
2.9MB

Download
memory/3060-18-0x0000000000950000-0x0000000000958000-memory.dmp

Filesize
32KB

Download