gandcrab | b71a6bf25b0e3fb7ff48abdca28e588e3403020f5257afa7be290fabf5a8bb9f

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31-03-2024 11:54

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General

Target

2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
Size

326KB
MD5

69a3cc522292c878bd1324ab73181589
SHA1

af7fce9d30a86c944b238167dc039242bb51b11a
SHA256

b71a6bf25b0e3fb7ff48abdca28e588e3403020f5257afa7be290fabf5a8bb9f
SHA512

82683865825fb92572a1e1d25c506a0dd0316f8e882067b4486486a83a37e16ffe395c8073de004497560a942b49dade0ce96929613d71c1dfb6a1fc5a0e32a6
SSDEEP

3072:V+V2GtCCCnDlMTM87yRBNWwxnImfoP/KOBejjY6IaCDtm0zT5363kQ8JuQ:VBWUuTXkLHgPitjYVmq+U

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-4-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/2216-5-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2216-12-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/2216-15-0x0000000000220000-0x0000000000237000-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/2216-4-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2216-5-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2216-12-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2216-15-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-5-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2216-15-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-4-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/2216-5-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2216-12-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/2216-15-0x0000000000220000-0x0000000000237000-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:

2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\igmomlkjryb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\pzpfiz.exe\""	2024-03-31_69a3cc522292c878bd1324ab73181589_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:

2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\I:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-31_69a3cc522292c878bd1324ab73181589_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:

2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe

pid process

2216 2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
2216 2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe

pid	process
2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe

description	pid	process	target process
PID 2216 wrote to memory of 2180	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2180	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2180	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2180	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2660	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2660	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2660	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2660	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2624	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2624	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2624	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2624	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2760	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2760	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2760	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2760	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2460	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2460	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2460	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2460	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2508	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2508	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2508	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2508	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1756	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1756	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1756	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1756	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2804	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2804	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2804	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2804	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 856	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 856	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 856	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 856	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2916	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2916	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2916	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 2916	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1844	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1844	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1844	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1844	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1792	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1792	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1792	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1792	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1744	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1744	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1744	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1744	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 816	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 816	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 816	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 816	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 612	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 612	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 612	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 612	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1200	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1200	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1200	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe
PID 2216 wrote to memory of 1200	2216	2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_69a3cc522292c878bd1324ab73181589_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_69a3cc522292c878bd1324ab73181589_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:2216
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2180
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2660
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2624
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2460
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2508
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:856
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2916
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1792
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1744
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1200
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:848
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1544
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2840
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1580
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1092
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2216-1-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2216-2-0x00000000013B0000-0x00000000014B0000-memory.dmp

Filesize
1024KB

Download
memory/2216-3-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2216-4-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2216-5-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

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memory/2216-12-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

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memory/2216-14-0x00000000013B0000-0x00000000014B0000-memory.dmp

Filesize
1024KB

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memory/2216-15-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

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