gandcrab | bac46835b1181b2b796bd4e6f425a38e4011c6d03465192d53ef3124348b645a

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

Processes:

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

Processes:

0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe

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

Processes:

0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe

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

Processes:

0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe

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

Processes:

0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe

pid process

1392 0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
1392 0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe

pid	process
1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe
1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe

description	pid	process	target process
PID 1392 wrote to memory of 2120	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2120	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2120	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2120	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2632	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2632	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2632	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2632	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2880	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2880	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2880	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2880	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2720	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2720	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2720	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2720	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2588	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2588	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2588	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2588	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2452	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2452	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2452	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2452	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 3032	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 3032	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 3032	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 3032	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 1892	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 1892	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 1892	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 1892	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2664	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2664	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2664	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2664	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2408	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2408	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2408	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2408	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2780	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2780	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2780	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2780	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 496	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 496	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 496	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 496	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2972	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2972	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2972	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2972	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 1852	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 1852	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 1852	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 1852	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2252	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2252	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2252	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 2252	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 776	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 776	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 776	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe
PID 1392 wrote to memory of 776	1392	0205358719f879643e3a25db2256ed6b_JaffaCakes118.exe	nslookup.exe

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

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads