gandcrab | 415cd8268a08158590ab882374355b5295b0587e5f270716736727b047d38dcc

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/09/2022, 21:30

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General

Target

0aa705e527e09af6efefc9a512707d17.exe
Size

320KB
MD5

0aa705e527e09af6efefc9a512707d17
SHA1

550420ae3a52dfd7b710ca1a15c623db24f1131f
SHA256

415cd8268a08158590ab882374355b5295b0587e5f270716736727b047d38dcc
SHA512

a3c2ed6393e891b43df554b2c080e8b694fabb1dae52e0980744f5d0f4ab38fdcb637cd35870b987ec264d231ebe629de4b1c8378b17891d05bcc6d6317f8e9c
SSDEEP

3072:4bRXn2p4B/51pzVyqZ5iQ88ZJmj3h2OdyC9aNhw3cvo2bDi5fBbHHD+FtW89:4b9+g/pzVwQ82Jm7h2As36CtaJHjN89

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/828-56-0x0000000000400000-0x000000000238C000-memory.dmp	family_gandcrab
behavioral1/memory/828-59-0x0000000000400000-0x000000000238C000-memory.dmp	family_gandcrab
behavioral1/memory/828-60-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/828-66-0x0000000000220000-0x0000000000237000-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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	0aa705e527e09af6efefc9a512707d17.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\fpipjvtbjvo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\yldclb.exe\""	0aa705e527e09af6efefc9a512707d17.exe

Enumerates connected drives 3 TTPs 24 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)	\??\H:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\J:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\Q:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\W:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\Y:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\X:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\P:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\R:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\S:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\T:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\V:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\K:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\L:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\N:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\A:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\B:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\E:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\F:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\I:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\O:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\G:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\M:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\U:	0aa705e527e09af6efefc9a512707d17.exe
File opened (read-only)	\??\Z:	0aa705e527e09af6efefc9a512707d17.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	0aa705e527e09af6efefc9a512707d17.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0aa705e527e09af6efefc9a512707d17.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0aa705e527e09af6efefc9a512707d17.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
828	0aa705e527e09af6efefc9a512707d17.exe
828	0aa705e527e09af6efefc9a512707d17.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 856	828	0aa705e527e09af6efefc9a512707d17.exe	27
PID 828 wrote to memory of 856	828	0aa705e527e09af6efefc9a512707d17.exe	27
PID 828 wrote to memory of 856	828	0aa705e527e09af6efefc9a512707d17.exe	27
PID 828 wrote to memory of 856	828	0aa705e527e09af6efefc9a512707d17.exe	27
PID 828 wrote to memory of 1556	828	0aa705e527e09af6efefc9a512707d17.exe	29
PID 828 wrote to memory of 1556	828	0aa705e527e09af6efefc9a512707d17.exe	29
PID 828 wrote to memory of 1556	828	0aa705e527e09af6efefc9a512707d17.exe	29
PID 828 wrote to memory of 1556	828	0aa705e527e09af6efefc9a512707d17.exe	29
PID 828 wrote to memory of 1528	828	0aa705e527e09af6efefc9a512707d17.exe	31
PID 828 wrote to memory of 1528	828	0aa705e527e09af6efefc9a512707d17.exe	31
PID 828 wrote to memory of 1528	828	0aa705e527e09af6efefc9a512707d17.exe	31
PID 828 wrote to memory of 1528	828	0aa705e527e09af6efefc9a512707d17.exe	31
PID 828 wrote to memory of 1180	828	0aa705e527e09af6efefc9a512707d17.exe	33
PID 828 wrote to memory of 1180	828	0aa705e527e09af6efefc9a512707d17.exe	33
PID 828 wrote to memory of 1180	828	0aa705e527e09af6efefc9a512707d17.exe	33
PID 828 wrote to memory of 1180	828	0aa705e527e09af6efefc9a512707d17.exe	33
PID 828 wrote to memory of 1612	828	0aa705e527e09af6efefc9a512707d17.exe	35
PID 828 wrote to memory of 1612	828	0aa705e527e09af6efefc9a512707d17.exe	35
PID 828 wrote to memory of 1612	828	0aa705e527e09af6efefc9a512707d17.exe	35
PID 828 wrote to memory of 1612	828	0aa705e527e09af6efefc9a512707d17.exe	35
PID 828 wrote to memory of 1100	828	0aa705e527e09af6efefc9a512707d17.exe	37
PID 828 wrote to memory of 1100	828	0aa705e527e09af6efefc9a512707d17.exe	37
PID 828 wrote to memory of 1100	828	0aa705e527e09af6efefc9a512707d17.exe	37
PID 828 wrote to memory of 1100	828	0aa705e527e09af6efefc9a512707d17.exe	37
PID 828 wrote to memory of 2012	828	0aa705e527e09af6efefc9a512707d17.exe	39
PID 828 wrote to memory of 2012	828	0aa705e527e09af6efefc9a512707d17.exe	39
PID 828 wrote to memory of 2012	828	0aa705e527e09af6efefc9a512707d17.exe	39
PID 828 wrote to memory of 2012	828	0aa705e527e09af6efefc9a512707d17.exe	39
PID 828 wrote to memory of 1888	828	0aa705e527e09af6efefc9a512707d17.exe	41
PID 828 wrote to memory of 1888	828	0aa705e527e09af6efefc9a512707d17.exe	41
PID 828 wrote to memory of 1888	828	0aa705e527e09af6efefc9a512707d17.exe	41
PID 828 wrote to memory of 1888	828	0aa705e527e09af6efefc9a512707d17.exe	41
PID 828 wrote to memory of 1184	828	0aa705e527e09af6efefc9a512707d17.exe	43
PID 828 wrote to memory of 1184	828	0aa705e527e09af6efefc9a512707d17.exe	43
PID 828 wrote to memory of 1184	828	0aa705e527e09af6efefc9a512707d17.exe	43
PID 828 wrote to memory of 1184	828	0aa705e527e09af6efefc9a512707d17.exe	43
PID 828 wrote to memory of 548	828	0aa705e527e09af6efefc9a512707d17.exe	45
PID 828 wrote to memory of 548	828	0aa705e527e09af6efefc9a512707d17.exe	45
PID 828 wrote to memory of 548	828	0aa705e527e09af6efefc9a512707d17.exe	45
PID 828 wrote to memory of 548	828	0aa705e527e09af6efefc9a512707d17.exe	45
PID 828 wrote to memory of 1604	828	0aa705e527e09af6efefc9a512707d17.exe	47
PID 828 wrote to memory of 1604	828	0aa705e527e09af6efefc9a512707d17.exe	47
PID 828 wrote to memory of 1604	828	0aa705e527e09af6efefc9a512707d17.exe	47
PID 828 wrote to memory of 1604	828	0aa705e527e09af6efefc9a512707d17.exe	47
PID 828 wrote to memory of 1552	828	0aa705e527e09af6efefc9a512707d17.exe	49
PID 828 wrote to memory of 1552	828	0aa705e527e09af6efefc9a512707d17.exe	49
PID 828 wrote to memory of 1552	828	0aa705e527e09af6efefc9a512707d17.exe	49
PID 828 wrote to memory of 1552	828	0aa705e527e09af6efefc9a512707d17.exe	49
PID 828 wrote to memory of 2028	828	0aa705e527e09af6efefc9a512707d17.exe	51
PID 828 wrote to memory of 2028	828	0aa705e527e09af6efefc9a512707d17.exe	51
PID 828 wrote to memory of 2028	828	0aa705e527e09af6efefc9a512707d17.exe	51
PID 828 wrote to memory of 2028	828	0aa705e527e09af6efefc9a512707d17.exe	51
PID 828 wrote to memory of 1460	828	0aa705e527e09af6efefc9a512707d17.exe	53
PID 828 wrote to memory of 1460	828	0aa705e527e09af6efefc9a512707d17.exe	53
PID 828 wrote to memory of 1460	828	0aa705e527e09af6efefc9a512707d17.exe	53
PID 828 wrote to memory of 1460	828	0aa705e527e09af6efefc9a512707d17.exe	53
PID 828 wrote to memory of 1544	828	0aa705e527e09af6efefc9a512707d17.exe	55
PID 828 wrote to memory of 1544	828	0aa705e527e09af6efefc9a512707d17.exe	55
PID 828 wrote to memory of 1544	828	0aa705e527e09af6efefc9a512707d17.exe	55
PID 828 wrote to memory of 1544	828	0aa705e527e09af6efefc9a512707d17.exe	55
PID 828 wrote to memory of 932	828	0aa705e527e09af6efefc9a512707d17.exe	57
PID 828 wrote to memory of 932	828	0aa705e527e09af6efefc9a512707d17.exe	57
PID 828 wrote to memory of 932	828	0aa705e527e09af6efefc9a512707d17.exe	57
PID 828 wrote to memory of 932	828	0aa705e527e09af6efefc9a512707d17.exe	57

C:\Users\Admin\AppData\Local\Temp\0aa705e527e09af6efefc9a512707d17.exe
"C:\Users\Admin\AppData\Local\Temp\0aa705e527e09af6efefc9a512707d17.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:828
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:856
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1556
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1528
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1180
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1100
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2012
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1184
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:548
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1604
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2028
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1460
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1544
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:932
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:716
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:300
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1576
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1452
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1752
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2020
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1808
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1940
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1096
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1348
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:936
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1640
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1396
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2032
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1988
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1016
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1548
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1192
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1436
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1832
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:556
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1204
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1580
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:288
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1912
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1796
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1376
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1464
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1504
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1728
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1920
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1820
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1144
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:516
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1236
- 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:1676
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1716
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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/828-62-0x000000000249E000-0x00000000024BA000-memory.dmp

Filesize
112KB

Download
memory/828-60-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

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memory/828-54-0x000000000249E000-0x00000000024BA000-memory.dmp

Filesize
112KB

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memory/828-55-0x0000000000400000-0x000000000238C000-memory.dmp

Filesize
31.5MB

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memory/828-56-0x0000000000400000-0x000000000238C000-memory.dmp

Filesize
31.5MB

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memory/828-57-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

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memory/828-66-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

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memory/828-59-0x0000000000400000-0x000000000238C000-memory.dmp

Filesize
31.5MB

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