gandcrab | 7acd52a72da17d0aa87de2f6764f7a4f790ce4ae0e8118598716b73bed766774

General

Target

2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
Size

308KB
MD5

5e930470deadb1aae9cb9fa67fa89f98
SHA1

0ef1f2f4308f94fd1447fe4779f0f8f015683420
SHA256

7acd52a72da17d0aa87de2f6764f7a4f790ce4ae0e8118598716b73bed766774
SHA512

44c5be044ad3f06142476f3f5c85ef9f7fb57a6d07646a5c5ef49ae40ef1db3ed3cbb31f9d1d6521a95bc195efdd18887753479ac57c647d395b239f069ea041
SSDEEP

6144:YzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:+DHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1280-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1280-3-0x0000000000360000-0x0000000000377000-memory.dmp	family_gandcrab
behavioral1/memory/1280-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1280-13-0x0000000000360000-0x0000000000377000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Detects Reflective DLL injection artifacts 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1280-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1280-3-0x0000000000360000-0x0000000000377000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1280-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1280-13-0x0000000000360000-0x0000000000377000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1280-3-0x0000000000360000-0x0000000000377000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1280-13-0x0000000000360000-0x0000000000377000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1280-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1280-3-0x0000000000360000-0x0000000000377000-memory.dmp	Gandcrab
behavioral1/memory/1280-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1280-13-0x0000000000360000-0x0000000000377000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\gebrftonndd = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\bjincn.exe\""	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

Enumerates connected drives 3 TTPs 23 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:

2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\T:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

pid process

1280 2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
1280 2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

pid	process
1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe

description	pid	process	target process
PID 1280 wrote to memory of 2640	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2640	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2640	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2640	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 3024	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 3024	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 3024	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 3024	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1164	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1164	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1164	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1164	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2468	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2468	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2468	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2468	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2448	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2448	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2448	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2448	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2892	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2892	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2892	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2892	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 768	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 768	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 768	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 768	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2668	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2668	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2668	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2668	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1872	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1872	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1872	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1872	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1912	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1912	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1912	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1912	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1716	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1716	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1716	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1716	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1520	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1520	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1520	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 1520	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2120	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2120	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2120	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2120	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2284	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2284	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2284	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2284	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2076	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2076	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2076	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 2076	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 784	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 784	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 784	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe
PID 1280 wrote to memory of 784	1280	2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_5e930470deadb1aae9cb9fa67fa89f98_karagany_mafia.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1280

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2640

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:3024

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1164

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2468

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2448

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2892

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:768

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2668

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1872

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1912

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1716

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1520

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2120

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2284

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2076

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:784

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1660

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2412

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1808

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:360

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1908

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:956

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1280-1-0x000000000AAF0000-0x000000000ABF0000-memory.dmp

Filesize
1024KB

Download
memory/1280-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1280-3-0x0000000000360000-0x0000000000377000-memory.dmp

Filesize
92KB

Download
memory/1280-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1280-12-0x000000000AAF0000-0x000000000ABF0000-memory.dmp

Filesize
1024KB

Download
memory/1280-13-0x0000000000360000-0x0000000000377000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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