gandcrab | 7dc6096dbbabf5e7d1a16f9aa5360e979996bd84c8785a34e3e3fbdc529b3fa1

Analysis

max time kernel
158s
max time network
174s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 06:10

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General

Target

2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
Size

250KB
MD5

f985229130cdea8f9fc798f0554c5e29
SHA1

c0891732c0672c72f245e14835b56101ed3f44d1
SHA256

7dc6096dbbabf5e7d1a16f9aa5360e979996bd84c8785a34e3e3fbdc529b3fa1
SHA512

ce25c735ead919a61db97828beec6a810229c903163c06c3d0cb78a138c20985d45dda76528a3d3ebdcf1f3b8ece52205035baa6d5c27bafee7945987f6bffa8
SSDEEP

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

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2460-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2460-6-0x0000000000270000-0x0000000000287000-memory.dmp	family_gandcrab
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2460-16-0x0000000000270000-0x0000000000287000-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/2460-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2460-6-0x0000000000270000-0x0000000000287000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2460-16-0x0000000000270000-0x0000000000287000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2460-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2460-6-0x0000000000270000-0x0000000000287000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2460-16-0x0000000000270000-0x0000000000287000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2460-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2460-6-0x0000000000270000-0x0000000000287000-memory.dmp	Gandcrab
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2460-16-0x0000000000270000-0x0000000000287000-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\ltcqmkvkmyf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\xktrno.exe\""	2024-03-14_f985229130cdea8f9fc798f0554c5e29_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)	\??\V:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-14_f985229130cdea8f9fc798f0554c5e29_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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2772	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	27
PID 2460 wrote to memory of 2772	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	27
PID 2460 wrote to memory of 2772	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	27
PID 2460 wrote to memory of 2772	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	27
PID 2460 wrote to memory of 2844	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	29
PID 2460 wrote to memory of 2844	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	29
PID 2460 wrote to memory of 2844	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	29
PID 2460 wrote to memory of 2844	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	29
PID 2460 wrote to memory of 2368	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	31
PID 2460 wrote to memory of 2368	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	31
PID 2460 wrote to memory of 2368	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	31
PID 2460 wrote to memory of 2368	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	31
PID 2460 wrote to memory of 588	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	35
PID 2460 wrote to memory of 588	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	35
PID 2460 wrote to memory of 588	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	35
PID 2460 wrote to memory of 588	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	35
PID 2460 wrote to memory of 2736	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	37
PID 2460 wrote to memory of 2736	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	37
PID 2460 wrote to memory of 2736	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	37
PID 2460 wrote to memory of 2736	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	37
PID 2460 wrote to memory of 1232	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	39
PID 2460 wrote to memory of 1232	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	39
PID 2460 wrote to memory of 1232	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	39
PID 2460 wrote to memory of 1232	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	39
PID 2460 wrote to memory of 1804	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	41
PID 2460 wrote to memory of 1804	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	41
PID 2460 wrote to memory of 1804	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	41
PID 2460 wrote to memory of 1804	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	41
PID 2460 wrote to memory of 1880	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	43
PID 2460 wrote to memory of 1880	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	43
PID 2460 wrote to memory of 1880	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	43
PID 2460 wrote to memory of 1880	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	43
PID 2460 wrote to memory of 828	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	45
PID 2460 wrote to memory of 828	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	45
PID 2460 wrote to memory of 828	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	45
PID 2460 wrote to memory of 828	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	45
PID 2460 wrote to memory of 1368	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	47
PID 2460 wrote to memory of 1368	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	47
PID 2460 wrote to memory of 1368	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	47
PID 2460 wrote to memory of 1368	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	47
PID 2460 wrote to memory of 2680	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	49
PID 2460 wrote to memory of 2680	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	49
PID 2460 wrote to memory of 2680	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	49
PID 2460 wrote to memory of 2680	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	49
PID 2460 wrote to memory of 1272	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	51
PID 2460 wrote to memory of 1272	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	51
PID 2460 wrote to memory of 1272	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	51
PID 2460 wrote to memory of 1272	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	51
PID 2460 wrote to memory of 2060	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	53
PID 2460 wrote to memory of 2060	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	53
PID 2460 wrote to memory of 2060	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	53
PID 2460 wrote to memory of 2060	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	53
PID 2460 wrote to memory of 2164	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	55
PID 2460 wrote to memory of 2164	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	55
PID 2460 wrote to memory of 2164	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	55
PID 2460 wrote to memory of 2164	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	55
PID 2460 wrote to memory of 2000	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	57
PID 2460 wrote to memory of 2000	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	57
PID 2460 wrote to memory of 2000	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	57
PID 2460 wrote to memory of 2000	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	57
PID 2460 wrote to memory of 2140	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	59
PID 2460 wrote to memory of 2140	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	59
PID 2460 wrote to memory of 2140	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	59
PID 2460 wrote to memory of 2140	2460	2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe	59

C:\Users\Admin\AppData\Local\Temp\2024-03-14_f985229130cdea8f9fc798f0554c5e29_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_f985229130cdea8f9fc798f0554c5e29_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:2460
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2772
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2368
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2736
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1232
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1880
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:828
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1368
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1272
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2060
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2164
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2000
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2140
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:436
- 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:1792
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1740
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:952
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2068

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/2460-2-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2460-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2460-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2460-6-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

Download
memory/2460-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2460-14-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

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memory/2460-16-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

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