4bb31847846180bf78033b5eb7761b874b114f6dd086862472915be761fc042a

Analysis

max time kernel
159s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
09-06-2022 14:12

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General

Target

7zS8A52FD1B/62a1ea2a20759_b7a66dc968.exe
Size

1.6MB
MD5

c4bc22a23300c3e7db1fae03e00610a5
SHA1

0f8d2471d510434d0338fa204c7863a5a6e17190
SHA256

d866f133333b259ea1aaaa838bd6f26a28798d440ce4531cd90b0497ea92d869
SHA512

fa629c9f18ff2cfd07c4da7065a544d84b4dc823c8b542863525eafcf9ad62a74f5f1fdbd6e1f0609135f258b0ffe01b136b614e8bd0d669d0a5ea4052bd3fc6

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 6 IoCs

Processes:

rundll32.exerundll32.exe

pid process

2016 rundll32.exe
2016 rundll32.exe
2016 rundll32.exe
1632 rundll32.exe
1632 rundll32.exe
1632 rundll32.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
2016	rundll32.exe
2016	rundll32.exe
2016	rundll32.exe
1632	rundll32.exe
1632	rundll32.exe
1632	rundll32.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

62a1ea2a20759_b7a66dc968.execontrol.exerundll32.exeRunDll32.exe

description	pid	process	target process
PID 956 wrote to memory of 1248	956	62a1ea2a20759_b7a66dc968.exe	control.exe
PID 956 wrote to memory of 1248	956	62a1ea2a20759_b7a66dc968.exe	control.exe
PID 956 wrote to memory of 1248	956	62a1ea2a20759_b7a66dc968.exe	control.exe
PID 956 wrote to memory of 1248	956	62a1ea2a20759_b7a66dc968.exe	control.exe
PID 1248 wrote to memory of 2016	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 2016	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 2016	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 2016	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 2016	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 2016	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 2016	1248	control.exe	rundll32.exe
PID 2016 wrote to memory of 1944	2016	rundll32.exe	RunDll32.exe
PID 2016 wrote to memory of 1944	2016	rundll32.exe	RunDll32.exe
PID 2016 wrote to memory of 1944	2016	rundll32.exe	RunDll32.exe
PID 2016 wrote to memory of 1944	2016	rundll32.exe	RunDll32.exe
PID 1944 wrote to memory of 1632	1944	RunDll32.exe	rundll32.exe
PID 1944 wrote to memory of 1632	1944	RunDll32.exe	rundll32.exe
PID 1944 wrote to memory of 1632	1944	RunDll32.exe	rundll32.exe
PID 1944 wrote to memory of 1632	1944	RunDll32.exe	rundll32.exe
PID 1944 wrote to memory of 1632	1944	RunDll32.exe	rundll32.exe
PID 1944 wrote to memory of 1632	1944	RunDll32.exe	rundll32.exe
PID 1944 wrote to memory of 1632	1944	RunDll32.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\7zS8A52FD1B\62a1ea2a20759_b7a66dc968.exe
"C:\Users\Admin\AppData\Local\Temp\7zS8A52FD1B\62a1ea2a20759_b7a66dc968.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\SysWOW64\control.exe
"C:\Windows\System32\control.exe" .\PHF_.hT
2⤵
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL .\PHF_.hT
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\system32\RunDll32.exe
C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL .\PHF_.hT
4⤵
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 .\PHF_.hT
5⤵
- Loads dropped DLL
PID:1632

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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\PHF_.hT
Filesize
111.8MB

MD5
a051dcd2b1aab0316530154569fa9d91

SHA1
d6c8680327921745ecc2e2b067de980e99fec685

SHA256
f7b40e2f6fc1a463d14d00d9da0549b224476b7cc9a632786c225180dee36a3b

SHA512
def9b4c3f7c20c4fe044f6a93ba266fd1da6bfeebbe26c181efaa23b593cdd6c8961958ae69afae62b8517c905c265ecf8981493c3ce1634d34611113ced4d6d

Download Submit
\Users\Admin\AppData\Local\Temp\phF_.hT
Filesize
111.8MB

MD5
a051dcd2b1aab0316530154569fa9d91

SHA1
d6c8680327921745ecc2e2b067de980e99fec685

SHA256
f7b40e2f6fc1a463d14d00d9da0549b224476b7cc9a632786c225180dee36a3b

SHA512
def9b4c3f7c20c4fe044f6a93ba266fd1da6bfeebbe26c181efaa23b593cdd6c8961958ae69afae62b8517c905c265ecf8981493c3ce1634d34611113ced4d6d

Download Submit
\Users\Admin\AppData\Local\Temp\phF_.hT
Filesize
111.8MB

MD5
a051dcd2b1aab0316530154569fa9d91

SHA1
d6c8680327921745ecc2e2b067de980e99fec685

SHA256
f7b40e2f6fc1a463d14d00d9da0549b224476b7cc9a632786c225180dee36a3b

SHA512
def9b4c3f7c20c4fe044f6a93ba266fd1da6bfeebbe26c181efaa23b593cdd6c8961958ae69afae62b8517c905c265ecf8981493c3ce1634d34611113ced4d6d

Download Submit
\Users\Admin\AppData\Local\Temp\phF_.hT
Filesize
111.8MB

MD5
a051dcd2b1aab0316530154569fa9d91

SHA1
d6c8680327921745ecc2e2b067de980e99fec685

SHA256
f7b40e2f6fc1a463d14d00d9da0549b224476b7cc9a632786c225180dee36a3b

SHA512
def9b4c3f7c20c4fe044f6a93ba266fd1da6bfeebbe26c181efaa23b593cdd6c8961958ae69afae62b8517c905c265ecf8981493c3ce1634d34611113ced4d6d

Download Submit
\Users\Admin\AppData\Local\Temp\phF_.hT
Filesize
111.8MB

MD5
a051dcd2b1aab0316530154569fa9d91

SHA1
d6c8680327921745ecc2e2b067de980e99fec685

SHA256
f7b40e2f6fc1a463d14d00d9da0549b224476b7cc9a632786c225180dee36a3b

SHA512
def9b4c3f7c20c4fe044f6a93ba266fd1da6bfeebbe26c181efaa23b593cdd6c8961958ae69afae62b8517c905c265ecf8981493c3ce1634d34611113ced4d6d

Download Submit
\Users\Admin\AppData\Local\Temp\phF_.hT
Filesize
111.8MB

MD5
a051dcd2b1aab0316530154569fa9d91

SHA1
d6c8680327921745ecc2e2b067de980e99fec685

SHA256
f7b40e2f6fc1a463d14d00d9da0549b224476b7cc9a632786c225180dee36a3b

SHA512
def9b4c3f7c20c4fe044f6a93ba266fd1da6bfeebbe26c181efaa23b593cdd6c8961958ae69afae62b8517c905c265ecf8981493c3ce1634d34611113ced4d6d

Download Submit
\Users\Admin\AppData\Local\Temp\phF_.hT
Filesize
111.8MB

MD5
a051dcd2b1aab0316530154569fa9d91

SHA1
d6c8680327921745ecc2e2b067de980e99fec685

SHA256
f7b40e2f6fc1a463d14d00d9da0549b224476b7cc9a632786c225180dee36a3b

SHA512
def9b4c3f7c20c4fe044f6a93ba266fd1da6bfeebbe26c181efaa23b593cdd6c8961958ae69afae62b8517c905c265ecf8981493c3ce1634d34611113ced4d6d

Download Submit
memory/956-54-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1248-55-0x0000000000000000-mapping.dmp

Download
memory/1632-75-0x000000002D9B0000-0x000000002DA66000-memory.dmp

Filesize
728KB

Download
memory/1632-69-0x0000000000000000-mapping.dmp

Download
memory/1632-77-0x000000002DA70000-0x000000002DB11000-memory.dmp

Filesize
644KB

Download
memory/1632-79-0x000000002D770000-0x000000002D82D000-memory.dmp

Filesize
756KB

Download
memory/1632-80-0x000000002D8F0000-0x000000002D9AC000-memory.dmp

Filesize
752KB

Download
memory/1944-68-0x0000000000000000-mapping.dmp

Download
memory/2016-66-0x0000000000880000-0x0000000000921000-memory.dmp

Filesize
644KB

Download
memory/2016-65-0x0000000000880000-0x0000000000921000-memory.dmp

Filesize
644KB

Download
memory/2016-64-0x0000000002630000-0x0000000003630000-memory.dmp

Filesize
16.0MB

Download
memory/2016-57-0x0000000000000000-mapping.dmp

Download
memory/2016-81-0x0000000002630000-0x0000000003630000-memory.dmp

Filesize
16.0MB

Download