91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad

Analysis

max time kernel
202s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 22:12

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General

Target

91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe
Size

228KB
MD5

1fea0aedee9b62040943e4bf238385fe
SHA1

5faccbceddd9fd05153685223effe943a27e95c7
SHA256

91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad
SHA512

e0028d73e788edf6ad2c1720ab312159b89bf8994abcf1349d21d7234a64caf7fd8f6df36c7c4702d385c414ea0e4bc7b291dc57e95c661c32ecdb038bf1b4fc
SSDEEP

6144:PUC2F8NXC796TB9vj48LXwDJV/3otdw2p3zcyQVeAK:PyeVQkTrvj4IgVytd5xoyceP

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

pc.exe

pid process

1756 pc.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1584 netsh.exe

pid	process
1584	netsh.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:

91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe

Drops startup file 2 IoCs

Processes:

pc.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8c6facdee998b9e04b5b01b845b35e62.exe	pc.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8c6facdee998b9e04b5b01b845b35e62.exe	pc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

pc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8c6facdee998b9e04b5b01b845b35e62 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\pc.exe\" .."	pc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8c6facdee998b9e04b5b01b845b35e62 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\pc.exe\" .."	pc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

pc.exe

pid	process
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe
1756	pc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exepc.exe

description	pid	process
Token: SeDebugPrivilege	3016	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe
Token: SeDebugPrivilege	1756	pc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exepc.exe

description	pid	process	target process
PID 3016 wrote to memory of 1756	3016	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe	pc.exe
PID 3016 wrote to memory of 1756	3016	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe	pc.exe
PID 3016 wrote to memory of 1756	3016	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe	pc.exe
PID 1756 wrote to memory of 1584	1756	pc.exe	netsh.exe
PID 1756 wrote to memory of 1584	1756	pc.exe	netsh.exe
PID 1756 wrote to memory of 1584	1756	pc.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe
"C:\Users\Admin\AppData\Local\Temp\91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016

C:\Users\Admin\AppData\Local\Temp\pc.exe
"C:\Users\Admin\AppData\Local\Temp\pc.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\pc.exe" "pc.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1584

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\pc.exe
Filesize
228KB

MD5
1fea0aedee9b62040943e4bf238385fe

SHA1
5faccbceddd9fd05153685223effe943a27e95c7

SHA256
91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad

SHA512
e0028d73e788edf6ad2c1720ab312159b89bf8994abcf1349d21d7234a64caf7fd8f6df36c7c4702d385c414ea0e4bc7b291dc57e95c661c32ecdb038bf1b4fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\pc.exe
Filesize
228KB

MD5
1fea0aedee9b62040943e4bf238385fe

SHA1
5faccbceddd9fd05153685223effe943a27e95c7

SHA256
91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad

SHA512
e0028d73e788edf6ad2c1720ab312159b89bf8994abcf1349d21d7234a64caf7fd8f6df36c7c4702d385c414ea0e4bc7b291dc57e95c661c32ecdb038bf1b4fc

Download Submit
memory/1584-300-0x0000000000000000-mapping.dmp

Download
memory/1756-216-0x0000000000000000-mapping.dmp

Download
memory/1756-224-0x0000000075050000-0x0000000075601000-memory.dmp

Filesize
5.7MB

Download
memory/1756-301-0x0000000075050000-0x0000000075601000-memory.dmp

Filesize
5.7MB

Download
memory/3016-166-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-153-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-139-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-141-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-142-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-168-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-144-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-145-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-147-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-146-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-148-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-150-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-151-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-172-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-149-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-152-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-154-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-155-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-156-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-158-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-157-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-159-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-160-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-161-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-162-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-173-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-165-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-164-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-138-0x0000000075050000-0x0000000075601000-memory.dmp

Filesize
5.7MB

Download
memory/3016-167-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-169-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-170-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-143-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-140-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-163-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-174-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-171-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-175-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-176-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-177-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-178-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-179-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-180-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-181-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-182-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-183-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-184-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-185-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-186-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-188-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-189-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-187-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-190-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-192-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-193-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-191-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-194-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-195-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-196-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-197-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-198-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-199-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-135-0x00000000001D0000-0x00000000001FC000-memory.dmp

Filesize
176KB

Download
memory/3016-215-0x0000000075050000-0x0000000075601000-memory.dmp

Filesize
5.7MB

Download
memory/3016-222-0x0000000075050000-0x0000000075601000-memory.dmp

Filesize
5.7MB

Download