4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4

General

Target

4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe
Size

819KB
MD5

091675fc7b4c7806023eaccfe27caf2b
SHA1

7603e97f7076dfd3bc01de04176357f74f86345f
SHA256

4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4
SHA512

6ca45dfcb08845e1e3475070be171ce4a328d618428e6e1dcf7212c3bf1e8fd3eb2277f9d6cc2d805ff418772f540f6df0e3f53d0fe7e79912c22000f096df65
SSDEEP

12288:v7Xnn6YD41EDjrKOp/yQaOoikVYQedOzOYspvGS8kZehMU6b3FSMTmRFYdq7AWbf:TXIYrMQaOoDDldS1H3MMTSSdqR33

Score

8^/10

bootkit persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

privacy.exe

pid process

1248 privacy.exe

Loads dropped DLL 3 IoCs

Processes:

4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe

pid	process
1008	4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe
1008	4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe
1008	4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

privacy.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Privacy Protection = "C:\\ProgramData\\privacy.exe"	privacy.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	privacy.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

privacy.exe

description	ioc	process
File opened (read-only)	\??\K:	privacy.exe
File opened (read-only)	\??\L:	privacy.exe
File opened (read-only)	\??\N:	privacy.exe
File opened (read-only)	\??\S:	privacy.exe
File opened (read-only)	\??\U:	privacy.exe
File opened (read-only)	\??\V:	privacy.exe
File opened (read-only)	\??\Y:	privacy.exe
File opened (read-only)	\??\Z:	privacy.exe
File opened (read-only)	\??\F:	privacy.exe
File opened (read-only)	\??\H:	privacy.exe
File opened (read-only)	\??\I:	privacy.exe
File opened (read-only)	\??\T:	privacy.exe
File opened (read-only)	\??\P:	privacy.exe
File opened (read-only)	\??\R:	privacy.exe
File opened (read-only)	\??\W:	privacy.exe
File opened (read-only)	\??\X:	privacy.exe
File opened (read-only)	\??\O:	privacy.exe
File opened (read-only)	\??\Q:	privacy.exe
File opened (read-only)	\??\E:	privacy.exe
File opened (read-only)	\??\G:	privacy.exe
File opened (read-only)	\??\J:	privacy.exe
File opened (read-only)	\??\M:	privacy.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:

privacy.exe

description ioc process

File opened for modification \??\PhysicalDrive0 privacy.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exeprivacy.exe

pid	process
1008	4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe

pid process

1008 4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe

Suspicious use of FindShellTrayWindow 12 IoCs

Processes:

privacy.exe

pid	process
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe

Suspicious use of SendNotifyMessage 12 IoCs

Processes:

privacy.exe

pid	process
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe
1248	privacy.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

privacy.exe

pid process

1248 privacy.exe
1248 privacy.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe

description	pid	process	target process
PID 1008 wrote to memory of 1248	1008	4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe	privacy.exe
PID 1008 wrote to memory of 1248	1008	4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe	privacy.exe
PID 1008 wrote to memory of 1248	1008	4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe	privacy.exe
PID 1008 wrote to memory of 1248	1008	4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe	privacy.exe

C:\Users\Admin\AppData\Local\Temp\4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe
"C:\Users\Admin\AppData\Local\Temp\4bf6806b7f2144b75632d9163b9e1da763d92872c7a4ca0f89017e1c13df43b4.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1008

C:\ProgramData\privacy.exe
C:\ProgramData\privacy.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1248

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\privacy.exe
Filesize
800KB

MD5
d60d2ba146e7044aa8074eed646fe281

SHA1
c7c8ad62aa86c0d5faad8b3f4583a01653b1a418

SHA256
d96bfc86aef9fe686cb0b4a3efc8a815cae22beb707fa8f2af713b6e4a10b6b3

SHA512
066bfaa2050937a127fa5e7673c9ae707c91b6a2e8c4da2ff4ecadcb58e2fdf61b9b2ca583b36eb417d3a07c52dfc3f6aee7bd6c8bd553e7ed693cd4eff78a7d

Download Submit
\ProgramData\privacy.exe
Filesize
800KB

MD5
d60d2ba146e7044aa8074eed646fe281

SHA1
c7c8ad62aa86c0d5faad8b3f4583a01653b1a418

SHA256
d96bfc86aef9fe686cb0b4a3efc8a815cae22beb707fa8f2af713b6e4a10b6b3

SHA512
066bfaa2050937a127fa5e7673c9ae707c91b6a2e8c4da2ff4ecadcb58e2fdf61b9b2ca583b36eb417d3a07c52dfc3f6aee7bd6c8bd553e7ed693cd4eff78a7d

Download Submit
\ProgramData\privacy.exe
Filesize
800KB

MD5
d60d2ba146e7044aa8074eed646fe281

SHA1
c7c8ad62aa86c0d5faad8b3f4583a01653b1a418

SHA256
d96bfc86aef9fe686cb0b4a3efc8a815cae22beb707fa8f2af713b6e4a10b6b3

SHA512
066bfaa2050937a127fa5e7673c9ae707c91b6a2e8c4da2ff4ecadcb58e2fdf61b9b2ca583b36eb417d3a07c52dfc3f6aee7bd6c8bd553e7ed693cd4eff78a7d

Download Submit
\ProgramData\privacy.exe
Filesize
800KB

MD5
d60d2ba146e7044aa8074eed646fe281

SHA1
c7c8ad62aa86c0d5faad8b3f4583a01653b1a418

SHA256
d96bfc86aef9fe686cb0b4a3efc8a815cae22beb707fa8f2af713b6e4a10b6b3

SHA512
066bfaa2050937a127fa5e7673c9ae707c91b6a2e8c4da2ff4ecadcb58e2fdf61b9b2ca583b36eb417d3a07c52dfc3f6aee7bd6c8bd553e7ed693cd4eff78a7d

Download Submit
memory/1008-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1008-55-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/1248-59-0x0000000000000000-mapping.dmp

Download
memory/1248-62-0x0000000000400000-0x0000000000A27000-memory.dmp

Filesize
6.2MB

Download
memory/1248-64-0x0000000000ACF000-0x0000000000AD1000-memory.dmp

Filesize
8KB

Download
memory/1248-65-0x0000000000400000-0x0000000000A27000-memory.dmp

Filesize
6.2MB

Download
memory/1248-66-0x0000000000400000-0x0000000000A27000-memory.dmp

Filesize
6.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads