metasploit | 28fd3a1d9087d7b103b7f6cfca002798b6365fe6ebcc66fa02dbb4a9e6378e71

max time kernel
18s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04-09-2022 12:35

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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:

rad6E94E.exewinrs.exe

pid process

892 rad6E94E.exe
1560 winrs.exe
Loads dropped DLL 1 IoCs

Processes:

rad6E94E.exe

pid process

892 rad6E94E.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:

winrs.exe

description ioc process

File opened for modification \??\PhysicalDrive0 winrs.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:

winrs.exe

description pid process

Token: SeShutdownPrivilege 1560 winrs.exe

pid	process
892	rad6E94E.exe
1560	winrs.exe

pid	process
892	rad6E94E.exe

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

description	pid	process
Token: SeShutdownPrivilege	1560	winrs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wscript.exerad6E94E.exe

description	pid	process	target process
PID 1764 wrote to memory of 892	1764	wscript.exe	rad6E94E.exe
PID 1764 wrote to memory of 892	1764	wscript.exe	rad6E94E.exe
PID 1764 wrote to memory of 892	1764	wscript.exe	rad6E94E.exe
PID 1764 wrote to memory of 892	1764	wscript.exe	rad6E94E.exe
PID 892 wrote to memory of 1560	892	rad6E94E.exe	winrs.exe
PID 892 wrote to memory of 1560	892	rad6E94E.exe	winrs.exe
PID 892 wrote to memory of 1560	892	rad6E94E.exe	winrs.exe
PID 892 wrote to memory of 1560	892	rad6E94E.exe	winrs.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\run.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1764

C:\Users\Admin\AppData\Local\Temp\rad6E94E.exe
"C:\Users\Admin\AppData\Local\Temp\rad6E94E.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:892

C:\Users\Admin\AppData\Roaming\{eeffd147-ff0c-4921-9a9e-07430e5b0edd}\winrs.exe
"C:\Users\Admin\AppData\Roaming\{eeffd147-ff0c-4921-9a9e-07430e5b0edd}\winrs.exe"
3⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:1560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\rad6E94E.exe

Filesize
254KB

MD5
e3b7d39be5e821b59636d0fe7c2944cc

SHA1
00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

SHA256
389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

SHA512
8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

Download Submit
C:\Users\Admin\AppData\Local\Temp\rad6E94E.exe

Filesize
254KB

MD5
e3b7d39be5e821b59636d0fe7c2944cc

SHA1
00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

SHA256
389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

SHA512
8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

Download Submit
C:\Users\Admin\AppData\Roaming\{eeffd147-ff0c-4921-9a9e-07430e5b0edd}\winrs.exe

Filesize
255KB

MD5
24bc59d74165d491adbdb0f3e85cb248

SHA1
35a3b71ef254cdb0b1caf1338a7b63aad7d8af0d

SHA256
11a2d17d48ab23b1823a5341338a31b7d86192ec60cf83c9b703daf122949779

SHA512
90efe4d54117ce724d4bbc7d3345141f4dc5e9bc65f031c594e0a45f3f387a30ae80b99059acab156f26a293abf172a640a59e5c76a393d751fc22eccf5dc12d

Download Submit
\Users\Admin\AppData\Roaming\{eeffd147-ff0c-4921-9a9e-07430e5b0edd}\winrs.exe

Filesize
255KB

MD5
24bc59d74165d491adbdb0f3e85cb248

SHA1
35a3b71ef254cdb0b1caf1338a7b63aad7d8af0d

SHA256
11a2d17d48ab23b1823a5341338a31b7d86192ec60cf83c9b703daf122949779

SHA512
90efe4d54117ce724d4bbc7d3345141f4dc5e9bc65f031c594e0a45f3f387a30ae80b99059acab156f26a293abf172a640a59e5c76a393d751fc22eccf5dc12d

Download Submit
memory/892-55-0x0000000000000000-mapping.dmp

Download
memory/892-57-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/892-59-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/892-60-0x0000000000250000-0x000000000026A000-memory.dmp

Filesize
104KB

Download
memory/1560-62-0x0000000000000000-mapping.dmp

Download
memory/1560-65-0x0000000000250000-0x000000000026A000-memory.dmp

Filesize
104KB

Download
memory/1764-54-0x000007FEFB871000-0x000007FEFB873000-memory.dmp

Filesize
8KB

Download