a2cb1bc45f9893eea8f3a539bb480b6b9cde2ff775c8aced3490de23eb10671f

Analysis

max time kernel
44s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
21-09-2022 16:19

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General

Target

Policy Update/Policy.pdf.lnk
Size

240KB
MD5

e4ba3d8f9dcd80f3716dea2b30c6aac4
SHA1

f1d7bcc3b09b74e2e3ce8fbf4288ee56728512e6
SHA256

476dce51d08f357b4f82e6ad92d01be070b3d5534541af88cdff04e38a478dcd
SHA512

5f8517386fcb1cacc79a936c6048c73d30ada73c6f773afd67ccd279912d845eec444f0e82bf45f3d427753f656402ad43abb3601cdcd999d829810c2ca348a3
SSDEEP

24:8UcJdmBlS0po4HSApA+/RXPqOY4I0WQtntzFyDvc17v/MRht1d/5zmx/:83mT7tx/iOnIcyDvc1Ofe

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

policy.exe

pid process

1552 policy.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
1552	policy.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

cmd.execmd.exepolicy.exe

description	pid	process	target process
PID 1816 wrote to memory of 1356	1816	cmd.exe	cmd.exe
PID 1816 wrote to memory of 1356	1816	cmd.exe	cmd.exe
PID 1816 wrote to memory of 1356	1816	cmd.exe	cmd.exe
PID 1356 wrote to memory of 1752	1356	cmd.exe	policy.exe
PID 1356 wrote to memory of 1752	1356	cmd.exe	policy.exe
PID 1356 wrote to memory of 1752	1356	cmd.exe	policy.exe
PID 1752 wrote to memory of 1552	1752	policy.exe	policy.exe
PID 1752 wrote to memory of 1552	1752	policy.exe	policy.exe
PID 1752 wrote to memory of 1552	1752	policy.exe	policy.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Policy Update\Policy.pdf.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /q /c "policy.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1356

C:\Users\Admin\AppData\Local\Temp\Policy Update\policy.exe
policy.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\Policy Update\policy.exe
policy.exe
4⤵
- Loads dropped DLL
PID:1552

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\_MEI17522\python310.dll
Filesize
4.3MB

MD5
342ba224fe440b585db4e9d2fc9f86cd

SHA1
bfa3d380231166f7c2603ca89a984a5cad9752ab

SHA256
cdb8158dcf4f10517bd73e1334fc354fd98180d4455f29e3df2b0aa699fa2432

SHA512
daa990ff3770a39b778f672f2596ab4050bff9b16bb2222e5712327df82d18f39ac5100e3b592a5db9e88302e6e94c06881fbf61431e7670ff287f7f222254c1

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI17522\python310.dll
Filesize
4.3MB

MD5
342ba224fe440b585db4e9d2fc9f86cd

SHA1
bfa3d380231166f7c2603ca89a984a5cad9752ab

SHA256
cdb8158dcf4f10517bd73e1334fc354fd98180d4455f29e3df2b0aa699fa2432

SHA512
daa990ff3770a39b778f672f2596ab4050bff9b16bb2222e5712327df82d18f39ac5100e3b592a5db9e88302e6e94c06881fbf61431e7670ff287f7f222254c1

Download Submit
memory/1356-88-0x0000000000000000-mapping.dmp

Download
memory/1552-94-0x0000000000000000-mapping.dmp

Download
memory/1752-92-0x0000000000000000-mapping.dmp

Download
memory/1816-54-0x000007FEFC001000-0x000007FEFC003000-memory.dmp

Filesize
8KB

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