xmrig | 3b15bfa331b523700de1c0fefe9cc4a84d1c2263087d5b4028209a8707db5436

Analysis

max time kernel
6s
max time network
144s
platform
windows7_x64
resource
win7v20201028
submitted
08-03-2021 13:53

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General

Target

aabec071683f901b14319f1e4e5ba6c8.exe
Size

112KB
MD5

aabec071683f901b14319f1e4e5ba6c8
SHA1

29dd74f3c7b908336a7482e34fbc46700fb51660
SHA256

3b15bfa331b523700de1c0fefe9cc4a84d1c2263087d5b4028209a8707db5436
SHA512

5152a8142eaadf821fbe1e5817ba60e3848ecf57ef710dc874e010d98eedecf3d17ebe0751acc761c4a56c12176be82de3ce0c82d8525eb5620cbacd207cc50a

Score

10^/10

xmrig miner persistence

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig
Executes dropped EXE 1 IoCs

Processes:

serivces.exe

pid process

1008 serivces.exe
Sets DLL path for service in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1776 cmd.exe
Loads dropped DLL 7 IoCs

Processes:

aabec071683f901b14319f1e4e5ba6c8.exesvchost.exeserivces.exe

pid process

1684 aabec071683f901b14319f1e4e5ba6c8.exe
1936 svchost.exe
1936 svchost.exe
1008 serivces.exe
1008 serivces.exe
1008 serivces.exe
1008 serivces.exe
Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description ioc process

File created C:\Windows\SysWOW64\serivces.exe svchost.exe
File opened for modification C:\Windows\SysWOW64\serivces.exe svchost.exe
Drops file in Windows directory 1 IoCs

Processes:

aabec071683f901b14319f1e4e5ba6c8.exe

description ioc process

File created C:\Windows\fonts\259261618.dll aabec071683f901b14319f1e4e5ba6c8.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1008	serivces.exe

pid	process
1776	cmd.exe

description	ioc	process
File created	C:\Windows\SysWOW64\serivces.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\serivces.exe	svchost.exe

description	ioc	process
File created	C:\Windows\fonts\259261618.dll	aabec071683f901b14319f1e4e5ba6c8.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

serivces.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	serivces.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	serivces.exe

Modifies data under HKEY_USERS 6 IoCs

Processes:

serivces.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	serivces.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	serivces.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	serivces.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	serivces.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	serivces.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	serivces.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1780 PING.EXE

pid	process
1780	PING.EXE

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

aabec071683f901b14319f1e4e5ba6c8.exeserivces.exe

pid	process
1684	aabec071683f901b14319f1e4e5ba6c8.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe
1008	serivces.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

aabec071683f901b14319f1e4e5ba6c8.exe

description pid process

Token: SeIncBasePriorityPrivilege 1684 aabec071683f901b14319f1e4e5ba6c8.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

aabec071683f901b14319f1e4e5ba6c8.exe

pid process

1684 aabec071683f901b14319f1e4e5ba6c8.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1684	aabec071683f901b14319f1e4e5ba6c8.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

aabec071683f901b14319f1e4e5ba6c8.execmd.exesvchost.exe

description	pid	process	target process
PID 1684 wrote to memory of 1776	1684	aabec071683f901b14319f1e4e5ba6c8.exe	cmd.exe
PID 1684 wrote to memory of 1776	1684	aabec071683f901b14319f1e4e5ba6c8.exe	cmd.exe
PID 1684 wrote to memory of 1776	1684	aabec071683f901b14319f1e4e5ba6c8.exe	cmd.exe
PID 1684 wrote to memory of 1776	1684	aabec071683f901b14319f1e4e5ba6c8.exe	cmd.exe
PID 1776 wrote to memory of 1780	1776	cmd.exe	PING.EXE
PID 1776 wrote to memory of 1780	1776	cmd.exe	PING.EXE
PID 1776 wrote to memory of 1780	1776	cmd.exe	PING.EXE
PID 1776 wrote to memory of 1780	1776	cmd.exe	PING.EXE
PID 1936 wrote to memory of 1008	1936	svchost.exe	serivces.exe
PID 1936 wrote to memory of 1008	1936	svchost.exe	serivces.exe
PID 1936 wrote to memory of 1008	1936	svchost.exe	serivces.exe
PID 1936 wrote to memory of 1008	1936	svchost.exe	serivces.exe

C:\Users\Admin\AppData\Local\Temp\aabec071683f901b14319f1e4e5ba6c8.exe
"C:\Users\Admin\AppData\Local\Temp\aabec071683f901b14319f1e4e5ba6c8.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\aabec071683f901b14319f1e4e5ba6c8.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 1
3⤵
- Runs ping.exe
PID:1780

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "serivces"
1⤵
PID:2000

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "serivces"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\SysWOW64\serivces.exe
C:\Windows\system32\serivces.exe "c:\windows\fonts\259261618.dll",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:1008

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\serivces.exe
MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\SysWOW64\serivces.exe
MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\windows\fonts\259261618.dll
MD5
90697f593e5ec3978a8f82f35bbab2e0

SHA1
c3f407596a0d279f4fef1760d387b38277ee17c7

SHA256
132ce3518e74ada2a429b1164f5526d6ee2504b61233c0f35cbed605487d4def

SHA512
0dff30ca6892c75d78415abee43f94297478a10e31ec2fefe0e5e3dbb107fe22a0cc130ba156c48e46258f63dee1e72a94f834f442049036b423362d88473b9d

Download Submit
\Windows\Fonts\259261618.dll
MD5
90697f593e5ec3978a8f82f35bbab2e0

SHA1
c3f407596a0d279f4fef1760d387b38277ee17c7

SHA256
132ce3518e74ada2a429b1164f5526d6ee2504b61233c0f35cbed605487d4def

SHA512
0dff30ca6892c75d78415abee43f94297478a10e31ec2fefe0e5e3dbb107fe22a0cc130ba156c48e46258f63dee1e72a94f834f442049036b423362d88473b9d

Download Submit
\Windows\Fonts\259261618.dll
MD5
90697f593e5ec3978a8f82f35bbab2e0

SHA1
c3f407596a0d279f4fef1760d387b38277ee17c7

SHA256
132ce3518e74ada2a429b1164f5526d6ee2504b61233c0f35cbed605487d4def

SHA512
0dff30ca6892c75d78415abee43f94297478a10e31ec2fefe0e5e3dbb107fe22a0cc130ba156c48e46258f63dee1e72a94f834f442049036b423362d88473b9d

Download Submit
\Windows\Fonts\259261618.dll
MD5
90697f593e5ec3978a8f82f35bbab2e0

SHA1
c3f407596a0d279f4fef1760d387b38277ee17c7

SHA256
132ce3518e74ada2a429b1164f5526d6ee2504b61233c0f35cbed605487d4def

SHA512
0dff30ca6892c75d78415abee43f94297478a10e31ec2fefe0e5e3dbb107fe22a0cc130ba156c48e46258f63dee1e72a94f834f442049036b423362d88473b9d

Download Submit
\Windows\Fonts\259261618.dll
MD5
90697f593e5ec3978a8f82f35bbab2e0

SHA1
c3f407596a0d279f4fef1760d387b38277ee17c7

SHA256
132ce3518e74ada2a429b1164f5526d6ee2504b61233c0f35cbed605487d4def

SHA512
0dff30ca6892c75d78415abee43f94297478a10e31ec2fefe0e5e3dbb107fe22a0cc130ba156c48e46258f63dee1e72a94f834f442049036b423362d88473b9d

Download Submit
\Windows\Fonts\259261618.dll
MD5
90697f593e5ec3978a8f82f35bbab2e0

SHA1
c3f407596a0d279f4fef1760d387b38277ee17c7

SHA256
132ce3518e74ada2a429b1164f5526d6ee2504b61233c0f35cbed605487d4def

SHA512
0dff30ca6892c75d78415abee43f94297478a10e31ec2fefe0e5e3dbb107fe22a0cc130ba156c48e46258f63dee1e72a94f834f442049036b423362d88473b9d

Download Submit
\Windows\Fonts\259261618.dll
MD5
90697f593e5ec3978a8f82f35bbab2e0

SHA1
c3f407596a0d279f4fef1760d387b38277ee17c7

SHA256
132ce3518e74ada2a429b1164f5526d6ee2504b61233c0f35cbed605487d4def

SHA512
0dff30ca6892c75d78415abee43f94297478a10e31ec2fefe0e5e3dbb107fe22a0cc130ba156c48e46258f63dee1e72a94f834f442049036b423362d88473b9d

Download Submit
\Windows\SysWOW64\serivces.exe
MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1008-9-0x0000000000000000-mapping.dmp

Download
memory/1684-2-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/1776-6-0x0000000000000000-mapping.dmp

Download
memory/1780-7-0x0000000000000000-mapping.dmp

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