fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919

General

Target

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
Size

251KB
MD5

026b22124c55846355333fae9b37e7c0
SHA1

cba0f5c9cb141e9426f8a1adcd25798a06ce00af
SHA256

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919
SHA512

2d14376a28d4e6fb7d91cb8608c269a97684daae4b2ccb179bc7d889b53a7cec6bf32982595f5aa9c923b529797a3adbb7ed0e2e8ed919d4e564594d3135ac8b
SSDEEP

3072:Udv30e0Ld3boyhCZtb3GzxFjT40CDBbtYQ+x3yFS/t0Sn2GuroQfBRbD:UOLd3Pzrj8VDBbGQgImlNeoa

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 7 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral2/memory/3676-134-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/3676-138-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/5028-142-0x0000000000D30000-0x0000000000D59000-memory.dmp	cryptone
behavioral2/memory/5028-143-0x0000000000D30000-0x0000000000D59000-memory.dmp	cryptone
behavioral2/memory/5028-144-0x0000000000D30000-0x0000000000D59000-memory.dmp	cryptone
behavioral2/memory/3676-149-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/1748-152-0x0000000001270000-0x0000000001299000-memory.dmp	cryptone

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exemspaint.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lehzhk = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Lehzhk.exe"	mspaint.exe

Enumerates connected drives 3 TTPs 24 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:

svchost.exemspaint.exe

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exefb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

description	pid	process	target process
PID 4188 set thread context of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 set thread context of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exesvchost.exefb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

pid	process
4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
1748	svchost.exe
1748	svchost.exe
2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

pid process

3676 fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

pid	process
3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.execalc.exesvchost.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
Token: SeDebugPrivilege	2804	calc.exe
Token: SeDebugPrivilege	1748	svchost.exe
Token: SeDebugPrivilege	5028	mspaint.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exefb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exesvchost.exefb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

description	pid	process	target process
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 4188 wrote to memory of 3676	4188	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 wrote to memory of 1748	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 3676 wrote to memory of 1748	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 3676 wrote to memory of 1748	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 3676 wrote to memory of 1748	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 3676 wrote to memory of 2804	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	calc.exe
PID 3676 wrote to memory of 2804	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	calc.exe
PID 3676 wrote to memory of 2804	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	calc.exe
PID 3676 wrote to memory of 2804	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	calc.exe
PID 3676 wrote to memory of 2804	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	calc.exe
PID 1748 wrote to memory of 5028	1748	svchost.exe	mspaint.exe
PID 1748 wrote to memory of 5028	1748	svchost.exe	mspaint.exe
PID 1748 wrote to memory of 5028	1748	svchost.exe	mspaint.exe
PID 1748 wrote to memory of 5028	1748	svchost.exe	mspaint.exe
PID 3676 wrote to memory of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 wrote to memory of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 wrote to memory of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 wrote to memory of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 wrote to memory of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 wrote to memory of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 wrote to memory of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 wrote to memory of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 3676 wrote to memory of 2956	3676	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 2956 wrote to memory of 2804	2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	calc.exe
PID 2956 wrote to memory of 2804	2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	calc.exe
PID 2956 wrote to memory of 1748	2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 2956 wrote to memory of 1748	2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 2956 wrote to memory of 5028	2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	mspaint.exe
PID 2956 wrote to memory of 5028	2956	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
"C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4188

C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
"C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3676

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
3⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\mspaint.exe
"C:\Windows\SysWOW64\mspaint.exe"
4⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:5028

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2804

C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
"C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1748-152-0x0000000001270000-0x0000000001299000-memory.dmp

Filesize
164KB

Download
memory/1748-156-0x00000000012B0000-0x00000000012FE000-memory.dmp

Filesize
312KB

Download
memory/1748-139-0x0000000000000000-mapping.dmp

Download
memory/2804-155-0x0000000002900000-0x000000000294E000-memory.dmp

Filesize
312KB

Download
memory/2804-140-0x0000000000000000-mapping.dmp

Download
memory/2956-150-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2956-146-0x0000000000000000-mapping.dmp

Download
memory/2956-147-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2956-154-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2956-151-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3676-134-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3676-133-0x0000000000000000-mapping.dmp

Download
memory/3676-149-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3676-138-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4188-132-0x0000000000400000-0x00000000004FE000-memory.dmp

Filesize
1016KB

Download
memory/4188-137-0x0000000000730000-0x0000000000744000-memory.dmp

Filesize
80KB

Download
memory/4188-136-0x0000000000400000-0x00000000004FE000-memory.dmp

Filesize
1016KB

Download
memory/5028-142-0x0000000000D30000-0x0000000000D59000-memory.dmp

Filesize
164KB

Download
memory/5028-144-0x0000000000D30000-0x0000000000D59000-memory.dmp

Filesize
164KB

Download
memory/5028-153-0x0000000000D30000-0x0000000000D59000-memory.dmp

Filesize
164KB

Download
memory/5028-141-0x0000000000000000-mapping.dmp

Download
memory/5028-143-0x0000000000D30000-0x0000000000D59000-memory.dmp

Filesize
164KB

Download
memory/5028-159-0x0000000000D70000-0x0000000000DBE000-memory.dmp

Filesize
312KB

Download
memory/5028-157-0x0000000000D70000-0x0000000000DBE000-memory.dmp

Filesize
312KB

Download
memory/5028-158-0x0000000000D30000-0x0000000000D59000-memory.dmp

Filesize
164KB

Download
memory/5028-145-0x0000000000D30000-0x0000000000D59000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads