91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad

Analysis

max time kernel
267s
max time network
333s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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

1516 pc.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1088 netsh.exe

pid	process
1516	pc.exe

pid	process
1088	netsh.exe

Drops startup file 2 IoCs

Processes:

pc.exe

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

Loads dropped DLL 1 IoCs

Processes:

91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe

pid process

564 91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe

pid	process
564	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.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-1-5-21-1214520366-621468234-4062160515-1000\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 12 IoCs

Processes:

pc.exe

pid process

1516 pc.exe
1516 pc.exe
1516 pc.exe
1516 pc.exe
1516 pc.exe
1516 pc.exe
1516 pc.exe
1516 pc.exe
1516 pc.exe
1516 pc.exe
1516 pc.exe
1516 pc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exepc.exe

description pid process

Token: SeDebugPrivilege 564 91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe
Token: SeDebugPrivilege 1516 pc.exe

pid	process
1516	pc.exe
1516	pc.exe
1516	pc.exe
1516	pc.exe
1516	pc.exe
1516	pc.exe
1516	pc.exe
1516	pc.exe
1516	pc.exe
1516	pc.exe
1516	pc.exe
1516	pc.exe

description	pid	process
Token: SeDebugPrivilege	564	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe
Token: SeDebugPrivilege	1516	pc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exepc.exe

description	pid	process	target process
PID 564 wrote to memory of 1516	564	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe	pc.exe
PID 564 wrote to memory of 1516	564	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe	pc.exe
PID 564 wrote to memory of 1516	564	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe	pc.exe
PID 564 wrote to memory of 1516	564	91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe	pc.exe
PID 1516 wrote to memory of 1088	1516	pc.exe	netsh.exe
PID 1516 wrote to memory of 1088	1516	pc.exe	netsh.exe
PID 1516 wrote to memory of 1088	1516	pc.exe	netsh.exe
PID 1516 wrote to memory of 1088	1516	pc.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe
"C:\Users\Admin\AppData\Local\Temp\91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:564

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:1516

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:1088

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

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
\Users\Admin\AppData\Local\Temp\pc.exe
Filesize
228KB

MD5
1fea0aedee9b62040943e4bf238385fe

SHA1
5faccbceddd9fd05153685223effe943a27e95c7

SHA256
91d21f2dab9156451b29c70e5c29c9f85da70b5420a914f096d7bfca7bd002ad

SHA512
e0028d73e788edf6ad2c1720ab312159b89bf8994abcf1349d21d7234a64caf7fd8f6df36c7c4702d385c414ea0e4bc7b291dc57e95c661c32ecdb038bf1b4fc

Download Submit
memory/564-117-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-80-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-58-0x0000000074E40000-0x00000000753EB000-memory.dmp

Filesize
5.7MB

Download
memory/564-59-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-60-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-61-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-62-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-63-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-67-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-69-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-71-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-74-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-76-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-114-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-81-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-83-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-86-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-89-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-92-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-93-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-96-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-98-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-100-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-102-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-112-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-106-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-108-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-111-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-113-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-115-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-118-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-54-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-101-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-57-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download
memory/564-104-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-110-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-109-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-107-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-105-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-103-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-116-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-99-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-97-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-95-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-94-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-91-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-90-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-88-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-87-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-85-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-84-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-82-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-79-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-78-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-77-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-75-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-73-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-72-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-70-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-68-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-66-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-65-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-64-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download
memory/564-142-0x0000000074E40000-0x00000000753EB000-memory.dmp

Filesize
5.7MB

Download
memory/1088-220-0x0000000000000000-mapping.dmp

Download
memory/1516-136-0x0000000000000000-mapping.dmp

Download
memory/1516-219-0x0000000074E40000-0x00000000753EB000-memory.dmp

Filesize
5.7MB

Download
memory/1516-222-0x0000000074E40000-0x00000000753EB000-memory.dmp

Filesize
5.7MB

Download