gandcrab | aa3f1acb555d68be1c7ea3ba460f4e2e95fcf019cb8c0b49b9851b759554cae9

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 06:10

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General

Target

2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
Size

250KB
MD5

ce6109e2422306308e287b957ae36984
SHA1

ffede5e5e1e504bbe9773a8814193939261c0c96
SHA256

aa3f1acb555d68be1c7ea3ba460f4e2e95fcf019cb8c0b49b9851b759554cae9
SHA512

abf8e8cf87dfe5b7cb67621efb0156ce19b0c5538cde390566de767228e5f011a7f83ff8128bd01abb0b686272aba986c63da14c016f9ed4c362d824ebc12aae
SSDEEP

6144:C+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:eOCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2968-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2968-4-0x00000000002F0000-0x0000000000307000-memory.dmp	family_gandcrab
behavioral1/memory/2968-6-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2968-14-0x00000000002F0000-0x0000000000307000-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

resource	yara_rule
behavioral1/memory/2968-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2968-4-0x00000000002F0000-0x0000000000307000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2968-6-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2968-14-0x00000000002F0000-0x0000000000307000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2968-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2968-4-0x00000000002F0000-0x0000000000307000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2968-6-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2968-14-0x00000000002F0000-0x0000000000307000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2968-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2968-4-0x00000000002F0000-0x0000000000307000-memory.dmp	Gandcrab
behavioral1/memory/2968-6-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2968-14-0x00000000002F0000-0x0000000000307000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\bppwgrcnuvk = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\aldjij.exe\""	2024-02-20_ce6109e2422306308e287b957ae36984_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

description	ioc	Process
File opened (read-only)	\??\I:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-20_ce6109e2422306308e287b957ae36984_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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2208	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	28
PID 2968 wrote to memory of 2208	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	28
PID 2968 wrote to memory of 2208	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	28
PID 2968 wrote to memory of 2208	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	28
PID 2968 wrote to memory of 2604	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	30
PID 2968 wrote to memory of 2604	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	30
PID 2968 wrote to memory of 2604	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	30
PID 2968 wrote to memory of 2604	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	30
PID 2968 wrote to memory of 2876	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	32
PID 2968 wrote to memory of 2876	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	32
PID 2968 wrote to memory of 2876	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	32
PID 2968 wrote to memory of 2876	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	32
PID 2968 wrote to memory of 2616	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	34
PID 2968 wrote to memory of 2616	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	34
PID 2968 wrote to memory of 2616	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	34
PID 2968 wrote to memory of 2616	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	34
PID 2968 wrote to memory of 2592	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	36
PID 2968 wrote to memory of 2592	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	36
PID 2968 wrote to memory of 2592	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	36
PID 2968 wrote to memory of 2592	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	36
PID 2968 wrote to memory of 2488	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	38
PID 2968 wrote to memory of 2488	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	38
PID 2968 wrote to memory of 2488	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	38
PID 2968 wrote to memory of 2488	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	38
PID 2968 wrote to memory of 2944	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	40
PID 2968 wrote to memory of 2944	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	40
PID 2968 wrote to memory of 2944	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	40
PID 2968 wrote to memory of 2944	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	40
PID 2968 wrote to memory of 1388	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	42
PID 2968 wrote to memory of 1388	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	42
PID 2968 wrote to memory of 1388	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	42
PID 2968 wrote to memory of 1388	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	42
PID 2968 wrote to memory of 1804	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	46
PID 2968 wrote to memory of 1804	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	46
PID 2968 wrote to memory of 1804	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	46
PID 2968 wrote to memory of 1804	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	46
PID 2968 wrote to memory of 2432	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	48
PID 2968 wrote to memory of 2432	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	48
PID 2968 wrote to memory of 2432	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	48
PID 2968 wrote to memory of 2432	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	48
PID 2968 wrote to memory of 2808	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	50
PID 2968 wrote to memory of 2808	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	50
PID 2968 wrote to memory of 2808	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	50
PID 2968 wrote to memory of 2808	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	50
PID 2968 wrote to memory of 2828	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	52
PID 2968 wrote to memory of 2828	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	52
PID 2968 wrote to memory of 2828	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	52
PID 2968 wrote to memory of 2828	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	52
PID 2968 wrote to memory of 1628	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	54
PID 2968 wrote to memory of 1628	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	54
PID 2968 wrote to memory of 1628	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	54
PID 2968 wrote to memory of 1628	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	54
PID 2968 wrote to memory of 808	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	56
PID 2968 wrote to memory of 808	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	56
PID 2968 wrote to memory of 808	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	56
PID 2968 wrote to memory of 808	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	56
PID 2968 wrote to memory of 1724	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	58
PID 2968 wrote to memory of 1724	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	58
PID 2968 wrote to memory of 1724	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	58
PID 2968 wrote to memory of 1724	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	58
PID 2968 wrote to memory of 2052	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	60
PID 2968 wrote to memory of 2052	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	60
PID 2968 wrote to memory of 2052	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	60
PID 2968 wrote to memory of 2052	2968	2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-20_ce6109e2422306308e287b957ae36984_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_ce6109e2422306308e287b957ae36984_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:2968
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2208
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2604
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2616
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2488
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2944
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1388
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2432
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2808
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2828
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:808
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2052
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2124
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:752
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2884
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2404
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:844

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/2968-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2968-1-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2968-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2968-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2968-4-0x00000000002F0000-0x0000000000307000-memory.dmp

Filesize
92KB

Download
memory/2968-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2968-14-0x00000000002F0000-0x0000000000307000-memory.dmp

Filesize
92KB

Download