metasploit | 28fd3a1d9087d7b103b7f6cfca002798b6365fe6ebcc66fa02dbb4a9e6378e71

max time kernel
15s
max time network
20s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2022 03:48

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General

Target

run.js
Size

365KB
MD5

c4e9fc349d5c8b24c0ddb1533de2c16b
SHA1

147e938bd06709b3c20eea4ac461093d573be037
SHA256

28fd3a1d9087d7b103b7f6cfca002798b6365fe6ebcc66fa02dbb4a9e6378e71
SHA512

fd0cf6f434e665aabc91f6095394a08483990c12a0b6ad3a1bd820b740af0ddbc02bc0a2592be429c7488b3cd2889afad8f758b4258009dfe51e9faac76842be
SSDEEP

6144:Jnm5mwYxm+DzkzFIDIWCy49ezGywT7PDSzT3enlJ1BJ0exGqkIb1Taha6e2T6Huv:FnaIEWeqWdnlhJ+eHHu+1Qk3C+MAQ

Score

10^/10

metasploit backdoor bootkit persistence trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Executes dropped EXE 2 IoCs

Processes:

rad417BF.exechkdsk.exe

pid process

1116 rad417BF.exe
3736 chkdsk.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

Processes:

wscript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation wscript.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

chkdsk.exe

description ioc process

File opened for modification \??\PhysicalDrive0 chkdsk.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

chkdsk.exe

description pid process

Token: SeShutdownPrivilege 3736 chkdsk.exe

pid	process
1116	rad417BF.exe
3736	chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	wscript.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	chkdsk.exe

description	pid	process
Token: SeShutdownPrivilege	3736	chkdsk.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exerad417BF.exe

description	pid	process	target process
PID 2368 wrote to memory of 1116	2368	wscript.exe	rad417BF.exe
PID 2368 wrote to memory of 1116	2368	wscript.exe	rad417BF.exe
PID 2368 wrote to memory of 1116	2368	wscript.exe	rad417BF.exe
PID 1116 wrote to memory of 3736	1116	rad417BF.exe	chkdsk.exe
PID 1116 wrote to memory of 3736	1116	rad417BF.exe	chkdsk.exe
PID 1116 wrote to memory of 3736	1116	rad417BF.exe	chkdsk.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\run.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2368

C:\Users\Admin\AppData\Local\Temp\rad417BF.exe
"C:\Users\Admin\AppData\Local\Temp\rad417BF.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1116

C:\Users\Admin\AppData\Roaming\{0706e61b-83ac-4c23-a183-09d36b39b371}\chkdsk.exe
"C:\Users\Admin\AppData\Roaming\{0706e61b-83ac-4c23-a183-09d36b39b371}\chkdsk.exe"
3⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:3736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\rad417BF.exe
Filesize
254KB

MD5
e3b7d39be5e821b59636d0fe7c2944cc

SHA1
00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

SHA256
389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

SHA512
8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

Download Submit
C:\Users\Admin\AppData\Local\Temp\rad417BF.exe
Filesize
254KB

MD5
e3b7d39be5e821b59636d0fe7c2944cc

SHA1
00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

SHA256
389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

SHA512
8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

Download Submit
C:\Users\Admin\AppData\Roaming\{0706e61b-83ac-4c23-a183-09d36b39b371}\chkdsk.exe
Filesize
255KB

MD5
b17343f3b487d25ec648a143de23257f

SHA1
1b599f8e330df60494544cc0a52880f5f6e8d603

SHA256
28a18a80c776f03881762452e8cf97a901807b2c6a25e64a78785a047249b646

SHA512
ffe1dbf8174e57153171b3707bdf5fa9355cfc752e1f910176ab80a950efa2d30b75a4f854b31fb68c402d9fedc7fdc00c1a5336e3ab88965400083e64709b72

Download Submit
C:\Users\Admin\AppData\Roaming\{0706e61b-83ac-4c23-a183-09d36b39b371}\chkdsk.exe
Filesize
255KB

MD5
b17343f3b487d25ec648a143de23257f

SHA1
1b599f8e330df60494544cc0a52880f5f6e8d603

SHA256
28a18a80c776f03881762452e8cf97a901807b2c6a25e64a78785a047249b646

SHA512
ffe1dbf8174e57153171b3707bdf5fa9355cfc752e1f910176ab80a950efa2d30b75a4f854b31fb68c402d9fedc7fdc00c1a5336e3ab88965400083e64709b72

Download Submit
memory/1116-135-0x0000000000000000-mapping.dmp

Download
memory/1116-142-0x00000000005D0000-0x00000000005EA000-memory.dmp

Filesize
104KB

Download
memory/1116-140-0x00000000005B0000-0x00000000005C6000-memory.dmp

Filesize
88KB

Download
memory/3736-138-0x0000000000000000-mapping.dmp

Download
memory/3736-143-0x00000000005E0000-0x00000000005FA000-memory.dmp

Filesize
104KB

Download