2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61

General

Target

2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
Size

206KB
MD5

44992c27cd09dc998b239e3dae7095f6
SHA1

f8111075dc7fac6c4b7997438943fe6078a72147
SHA256

2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61
SHA512

92c3f96a2c9e361012deee0d698941009484c52d081218352b92dad1d981f6ea77c9fcff104f394d1bc167ca3b6ef6be460771fe2c153e5a82dc409edbc12d78
SSDEEP

3072:lmR3i6zP2xc9SfRH/Qin/jzO5tP0/0S9Db31kvSGv6gG2nAwDtV:lmQ6yxc9SF4l52jnlN06jIbT

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
behavioral1/memory/1612-62-0x0000000000400000-0x00000000039B9000-memory.dmp	cryptone
behavioral1/memory/1952-66-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1376-73-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1376-72-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1376-74-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1612-92-0x0000000000400000-0x00000000039B9000-memory.dmp	cryptone
behavioral1/memory/1952-93-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

1376 notepad.exe

pid	process
1376	notepad.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

notepad.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ovihiv = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Ovihiv.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	notepad.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.exenotepad.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe

description	pid	process	target process
PID 1612 set thread context of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

svchost.exe2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe

pid process

1952 svchost.exe
1092 2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe

pid	process
1952	svchost.exe
1092	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exesvchost.execalc.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	1092	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
Token: SeDebugPrivilege	1952	svchost.exe
Token: SeDebugPrivilege	1708	calc.exe
Token: SeDebugPrivilege	1376	notepad.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exesvchost.exe2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe

description	pid	process	target process
PID 1612 wrote to memory of 1952	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	svchost.exe
PID 1612 wrote to memory of 1952	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	svchost.exe
PID 1612 wrote to memory of 1952	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	svchost.exe
PID 1612 wrote to memory of 1952	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	svchost.exe
PID 1612 wrote to memory of 1708	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	calc.exe
PID 1612 wrote to memory of 1708	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	calc.exe
PID 1612 wrote to memory of 1708	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	calc.exe
PID 1612 wrote to memory of 1708	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	calc.exe
PID 1612 wrote to memory of 1708	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	calc.exe
PID 1612 wrote to memory of 1952	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	svchost.exe
PID 1612 wrote to memory of 1708	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	calc.exe
PID 1952 wrote to memory of 1376	1952	svchost.exe	notepad.exe
PID 1952 wrote to memory of 1376	1952	svchost.exe	notepad.exe
PID 1952 wrote to memory of 1376	1952	svchost.exe	notepad.exe
PID 1952 wrote to memory of 1376	1952	svchost.exe	notepad.exe
PID 1952 wrote to memory of 1376	1952	svchost.exe	notepad.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1612 wrote to memory of 1092	1612	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
PID 1092 wrote to memory of 1952	1092	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	svchost.exe
PID 1092 wrote to memory of 1952	1092	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	svchost.exe
PID 1092 wrote to memory of 1708	1092	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	calc.exe
PID 1092 wrote to memory of 1708	1092	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	calc.exe
PID 1092 wrote to memory of 1376	1092	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	notepad.exe
PID 1092 wrote to memory of 1376	1092	2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
"C:\Users\Admin\AppData\Local\Temp\2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\SysWOW64\notepad.exe
"C:\Windows\SysWOW64\notepad.exe"
3⤵
- Deletes itself
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:1376

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1708

C:\Users\Admin\AppData\Local\Temp\2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe
"C:\Users\Admin\AppData\Local\Temp\2765f7ea0956bac0d64bd9799705f601e6fd42770294354ea4b74a6998137b61.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092

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

Replay Monitor

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Downloads

memory/1092-76-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1092-114-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1092-91-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1092-89-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1092-86-0x0000000000410910-mapping.dmp

Download
memory/1092-85-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1092-83-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1092-81-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1092-79-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1092-77-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1376-73-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1376-325-0x00000000001A0000-0x00000000001EE000-memory.dmp

Filesize
312KB

Download
memory/1376-72-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1376-75-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1376-74-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1376-70-0x0000000000000000-mapping.dmp

Download
memory/1376-128-0x00000000001A0000-0x00000000001EE000-memory.dmp

Filesize
312KB

Download
memory/1376-90-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1376-110-0x00000000001A0000-0x00000000001EE000-memory.dmp

Filesize
312KB

Download
memory/1376-117-0x00000000001A0000-0x00000000001EE000-memory.dmp

Filesize
312KB

Download
memory/1612-62-0x0000000000400000-0x00000000039B9000-memory.dmp

Filesize
53.7MB

Download
memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1612-55-0x0000000000260000-0x0000000000264000-memory.dmp

Filesize
16KB

Download
memory/1612-92-0x0000000000400000-0x00000000039B9000-memory.dmp

Filesize
53.7MB

Download
memory/1612-56-0x0000000000270000-0x0000000000289000-memory.dmp

Filesize
100KB

Download
memory/1708-67-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1708-58-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1708-107-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1708-116-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1708-102-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1708-324-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1708-63-0x0000000000000000-mapping.dmp

Download
memory/1708-123-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1952-98-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1952-131-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1952-127-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1952-124-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1952-120-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1952-109-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1952-103-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1952-115-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1952-93-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1952-57-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1952-323-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1952-61-0x0000000000000000-mapping.dmp

Download
memory/1952-66-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads