gandcrab | e316d772223d0fe829c62fea1eda35990362d8f7cc02968fd0bb8c7d2fde2959

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
26-06-2024 21:50

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General

Target

2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
Size

222KB
MD5

c98b100bb7cab5efc69bb852f8612032
SHA1

ee6e00cb8dbef0a1b3636c891dc9925cee3ff29c
SHA256

e316d772223d0fe829c62fea1eda35990362d8f7cc02968fd0bb8c7d2fde2959
SHA512

8b7c3dac818ee6ffcdcc0cc9d44c18bc53f5dc443535334f139502b15ed516108e70ef744f1c93a865099de4d3d9d9ab96af7ee361b6f03ae15e88d7790ea8e7
SSDEEP

3072:9BbWxYKFDnqvffIj0nStxBN3cwqvcQr3YTfVEPnYbl3/YrDAEioKhAv/:9BkYKZSYYnS1xecmoT2nYbdEKs/

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3020-3-0x0000000000400000-0x000000000043D000-memory.dmp	family_gandcrab
behavioral1/memory/3020-4-0x00000000003C0000-0x00000000003D7000-memory.dmp	family_gandcrab
behavioral1/memory/3020-6-0x0000000000400000-0x000000000043D000-memory.dmp	family_gandcrab
behavioral1/memory/3020-15-0x0000000000400000-0x000000000042C000-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/3020-3-0x0000000000400000-0x000000000043D000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/3020-4-0x00000000003C0000-0x00000000003D7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/3020-6-0x0000000000400000-0x000000000043D000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/3020-15-0x0000000000400000-0x000000000042C000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3020-3-0x0000000000400000-0x000000000043D000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/3020-4-0x00000000003C0000-0x00000000003D7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/3020-6-0x0000000000400000-0x000000000043D000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/3020-15-0x0000000000400000-0x000000000042C000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3020-3-0x0000000000400000-0x000000000043D000-memory.dmp	Gandcrab
behavioral1/memory/3020-4-0x00000000003C0000-0x00000000003D7000-memory.dmp	Gandcrab
behavioral1/memory/3020-6-0x0000000000400000-0x000000000043D000-memory.dmp	Gandcrab
behavioral1/memory/3020-15-0x0000000000400000-0x000000000042C000-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:

2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\nyhalbkvkvn = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\fffclx.exe\""	2024-06-26_c98b100bb7cab5efc69bb852f8612032_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:

2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\V:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-06-26_c98b100bb7cab5efc69bb852f8612032_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:

2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe

pid process

3020 2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
3020 2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe

pid	process
3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe

description	pid	process	target process
PID 3020 wrote to memory of 2752	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2752	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2752	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2752	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2708	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2708	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2708	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2708	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2824	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2824	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2824	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2824	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2020	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2020	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2020	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2020	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2216	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2216	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2216	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2216	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2288	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2288	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2288	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe
PID 3020 wrote to memory of 2288	3020	2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-26_c98b100bb7cab5efc69bb852f8612032_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-26_c98b100bb7cab5efc69bb852f8612032_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:3020

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2752

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2708

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2824

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2020

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2216

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2288

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/3020-0-0x00000000002A0000-0x00000000002BB000-memory.dmp

Filesize
108KB

Download
memory/3020-1-0x00000000002A0000-0x00000000002BB000-memory.dmp

Filesize
108KB

Download
memory/3020-2-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3020-3-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3020-4-0x00000000003C0000-0x00000000003D7000-memory.dmp

Filesize
92KB

Download
memory/3020-6-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3020-13-0x00000000002A0000-0x00000000002BB000-memory.dmp

Filesize
108KB

Download
memory/3020-15-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download