gandcrab | 585099816a6edd82a0a8c7495d164595910782e9c640cc55a96863b9239c0fdc

General

Target

2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
Size

250KB
MD5

dc05502d3f3f90fff8f238acd1968b37
SHA1

687eaed7a2ea82eb8cf52e50464318aef6fa8be1
SHA256

585099816a6edd82a0a8c7495d164595910782e9c640cc55a96863b9239c0fdc
SHA512

e8f064da02e37174b677c7ed2a0c3c90f95208ff82f0d7e3d3a64ffd276104b87b66a9af2d389f8006af979ea3bbb2e3c51d35409a82bb25b605381a628520c5
SSDEEP

3072:D/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:D/y20Gj0r+EBFrkvlU3RvIUDOIN

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2180-5-0x00000000001B0000-0x00000000001C7000-memory.dmp	family_gandcrab
behavioral1/memory/2180-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2180-13-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2180-15-0x00000000001B0000-0x00000000001C7000-memory.dmp	family_gandcrab

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

Unexpected DNS network traffic destination 64 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description	ioc
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\fptgunxbxia = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\gzhboe.exe\""	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.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:

2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe

description	ioc	process
File opened (read-only)	\??\H:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\L:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\P:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\S:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\W:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\A:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\B:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\R:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\Y:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\K:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\N:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\O:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\Q:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\T:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\V:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\Z:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\E:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\I:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\M:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\U:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\X:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\G:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
File opened (read-only)	\??\J:	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.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:

2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe

pid process

2180 2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
2180 2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe

pid	process
2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe

description	pid	process	target process
PID 2180 wrote to memory of 2740	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2740	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2740	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2740	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2748	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2748	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2748	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2748	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2644	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2644	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2644	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2644	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2568	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2568	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2568	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2568	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2172	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2172	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2172	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2172	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 1728	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 1728	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 1728	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 1728	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2932	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2932	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2932	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2932	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2972	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2972	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2972	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2972	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 1816	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 1816	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 1816	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 1816	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2820	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2820	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2820	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2820	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2884	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2884	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2884	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2884	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2628	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2628	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2628	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2628	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2852	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2852	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2852	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe
PID 2180 wrote to memory of 2852	2180	2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-25_dc05502d3f3f90fff8f238acd1968b37_mafia_JC.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2180

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2740

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2748

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2644

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2568

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2172

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1728

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2932

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2972

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1816

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2820

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2884

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2628

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2852

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

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Downloads

memory/2180-2-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2180-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2180-5-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/2180-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2180-12-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2180-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2180-15-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads