gandcrab | 09de41e56a0c60735ab1ef1213b047da9830b5df9709dd4c9de3070201520958

General

Target

1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
Size

243KB
MD5

1f21b803c4724712e5f84ae78889dc4c
SHA1

c7b030cd7f11d88b7c759edd68cbca2440ad8a7d
SHA256

09de41e56a0c60735ab1ef1213b047da9830b5df9709dd4c9de3070201520958
SHA512

e5f74856399ec045514586290044b777ba1d453a12cb219f52ee5a81ae5c904e24e03a1d0a14ca704595c89e5fd3a1074a362e380d08d20f881ea9854210e474
SSDEEP

3072:gHjQC2mCju45gfXPRLjdRrKb+8edwvQ4l1Z95m30bRKSjFba4TFa+nRDBHszF:DuPPRHoZm30bRza4xJB6

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2080-258-0x0000000000400000-0x000000000044E000-memory.dmp	family_gandcrab
behavioral1/memory/2080-259-0x00000000003E0000-0x00000000003F7000-memory.dmp	family_gandcrab
behavioral1/memory/2080-266-0x0000000000400000-0x000000000044E000-memory.dmp	family_gandcrab
behavioral1/memory/2080-268-0x00000000003E0000-0x00000000003F7000-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:

1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\uvzwuklwfrf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ignuxw.exe\""	1f21b803c4724712e5f84ae78889dc4c_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:

1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\H:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\N:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\R:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\T:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\V:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\Z:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\A:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\G:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\S:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\W:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\X:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\Y:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\I:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\O:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\J:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\K:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\M:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\P:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\U:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\B:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\E:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\L:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
File opened (read-only)	\??\Q:	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\win.ini 1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\win.ini	1f21b803c4724712e5f84ae78889dc4c_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:

1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

pid process

2080 1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
2080 1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

pid	process
2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe

description	pid	process	target process
PID 2080 wrote to memory of 1204	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1204	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1204	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1204	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1552	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1552	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1552	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1552	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1580	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1580	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1580	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1580	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 304	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 304	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 304	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 304	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 972	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 972	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 972	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 972	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1340	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1340	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1340	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1340	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2904	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2904	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2904	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2904	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1744	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1744	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1744	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1744	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1692	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1692	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1692	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 1692	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2124	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2124	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2124	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2124	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2652	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2652	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2652	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2652	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2628	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2628	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2628	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2628	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2468	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2468	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2468	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2468	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2604	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2604	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2604	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2604	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2452	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2452	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2452	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 2452	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 320	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 320	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 320	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe
PID 2080 wrote to memory of 320	2080	1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1f21b803c4724712e5f84ae78889dc4c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2080

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1204

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1552

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1580

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:304

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:972

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1340

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2904

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1744

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1692

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:2652

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2628

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2468

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:2452

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:320

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2504

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:624

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1908

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:548

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:568

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:632

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\win.ini
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Windows\win.ini
Filesize
6KB

MD5
f38fe0c761f251797f0ab740304882a7

SHA1
d8d16f1023909e221b7a0b84d2f90b9d3babb8bf

SHA256
4268084012d3e769f145d140f0c8f7a8ad70fe8df41944495473c54723dfe480

SHA512
48356a7a9caafdfffecabb122c7e9284ef1720f43eeebbae3fddada112917acfc12daaf1528f1609063e7de17a2fd472898b126823ad39479b4369e56dbd3dd1

Download Submit
memory/2080-256-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2080-257-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2080-258-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2080-259-0x00000000003E0000-0x00000000003F7000-memory.dmp

Filesize
92KB

Download
memory/2080-266-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2080-268-0x00000000003E0000-0x00000000003F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads