gandcrab | bac46835b1181b2b796bd4e6f425a38e4011c6d03465192d53ef3124348b645a

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
27-04-2024 00:38

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General

Target

0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
Size

328KB
MD5

0205358719f879643e3a25db2256ed6b
SHA1

834fe1fc76267e808c8a750f6073cd6b586ecfa2
SHA256

bac46835b1181b2b796bd4e6f425a38e4011c6d03465192d53ef3124348b645a
SHA512

e4933d631252104c55ff3520624362b7f96773457fca05652bffe532090d6dfc050355f6064a2ef2873db3d250f3fe0a3895369e1628a514db5d595df892c350
SSDEEP

6144:zjYLEiwFwkzO/wEH/tcTjYZFCIWeUYG5qm:zjYuwkwH/tBgIWKm

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1392-5-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab
behavioral1/memory/1392-6-0x0000000000400000-0x00000000012D7000-memory.dmp	family_gandcrab
behavioral1/memory/1392-7-0x0000000000400000-0x00000000012D7000-memory.dmp	family_gandcrab
behavioral1/memory/1392-16-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor 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\psabcjregvy = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\bwsoik.exe\""	0205358719f879643e3a25db2256ed6b_JaffaCakes118.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)	\??\A:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\J:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\K:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\T:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\Z:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\U:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\V:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\Y:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\B:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\E:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\M:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\P:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\R:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\I:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\N:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\W:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\X:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\S:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\G:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\H:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\L:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\O:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
File opened (read-only)	\??\Q:	0205358719f879643e3a25db2256ed6b_JaffaCakes118.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	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 2120	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	28
PID 1392 wrote to memory of 2120	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	28
PID 1392 wrote to memory of 2120	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	28
PID 1392 wrote to memory of 2120	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	28
PID 1392 wrote to memory of 2632	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	30
PID 1392 wrote to memory of 2632	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	30
PID 1392 wrote to memory of 2632	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	30
PID 1392 wrote to memory of 2632	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	30
PID 1392 wrote to memory of 2880	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	32
PID 1392 wrote to memory of 2880	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	32
PID 1392 wrote to memory of 2880	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	32
PID 1392 wrote to memory of 2880	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	32
PID 1392 wrote to memory of 2720	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	34
PID 1392 wrote to memory of 2720	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	34
PID 1392 wrote to memory of 2720	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	34
PID 1392 wrote to memory of 2720	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	34
PID 1392 wrote to memory of 2588	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	36
PID 1392 wrote to memory of 2588	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	36
PID 1392 wrote to memory of 2588	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	36
PID 1392 wrote to memory of 2588	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	36
PID 1392 wrote to memory of 2452	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	38
PID 1392 wrote to memory of 2452	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	38
PID 1392 wrote to memory of 2452	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	38
PID 1392 wrote to memory of 2452	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	38
PID 1392 wrote to memory of 3032	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	40
PID 1392 wrote to memory of 3032	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	40
PID 1392 wrote to memory of 3032	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	40
PID 1392 wrote to memory of 3032	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	40
PID 1392 wrote to memory of 1892	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	42
PID 1392 wrote to memory of 1892	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	42
PID 1392 wrote to memory of 1892	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	42
PID 1392 wrote to memory of 1892	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	42
PID 1392 wrote to memory of 2664	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	46
PID 1392 wrote to memory of 2664	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	46
PID 1392 wrote to memory of 2664	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	46
PID 1392 wrote to memory of 2664	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	46
PID 1392 wrote to memory of 2408	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	48
PID 1392 wrote to memory of 2408	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	48
PID 1392 wrote to memory of 2408	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	48
PID 1392 wrote to memory of 2408	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	48
PID 1392 wrote to memory of 2780	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	50
PID 1392 wrote to memory of 2780	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	50
PID 1392 wrote to memory of 2780	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	50
PID 1392 wrote to memory of 2780	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	50
PID 1392 wrote to memory of 496	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	52
PID 1392 wrote to memory of 496	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	52
PID 1392 wrote to memory of 496	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	52
PID 1392 wrote to memory of 496	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	52
PID 1392 wrote to memory of 2972	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	54
PID 1392 wrote to memory of 2972	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	54
PID 1392 wrote to memory of 2972	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	54
PID 1392 wrote to memory of 2972	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	54
PID 1392 wrote to memory of 1852	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	56
PID 1392 wrote to memory of 1852	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	56
PID 1392 wrote to memory of 1852	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	56
PID 1392 wrote to memory of 1852	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	56
PID 1392 wrote to memory of 2252	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	58
PID 1392 wrote to memory of 2252	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	58
PID 1392 wrote to memory of 2252	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	58
PID 1392 wrote to memory of 2252	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	58
PID 1392 wrote to memory of 776	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	60
PID 1392 wrote to memory of 776	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	60
PID 1392 wrote to memory of 776	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	60
PID 1392 wrote to memory of 776	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	60

C:\Users\Admin\AppData\Local\Temp\0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2120
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2632
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2880
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2720
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2452
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3032
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1892
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2664
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2408
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:496
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2972
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2252
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:776
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1808
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2392
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2900
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1932
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1132
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1412
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:276
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1784

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

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Downloads

memory/1392-1-0x0000000000400000-0x00000000012D7000-memory.dmp

Filesize
14.8MB

Download
memory/1392-2-0x0000000000400000-0x00000000012D7000-memory.dmp

Filesize
14.8MB

Download
memory/1392-3-0x00000000013D0000-0x00000000014D0000-memory.dmp

Filesize
1024KB

Download
memory/1392-5-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download
memory/1392-6-0x0000000000400000-0x00000000012D7000-memory.dmp

Filesize
14.8MB

Download
memory/1392-7-0x0000000000400000-0x00000000012D7000-memory.dmp

Filesize
14.8MB

Download
memory/1392-15-0x00000000013D0000-0x00000000014D0000-memory.dmp

Filesize
1024KB

Download
memory/1392-16-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download