gandcrab | dcd72e70333a95c4c07bf37b53686b7121543d0994b7357c54c1c917072daef9

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08/09/2022, 19:43

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General

Target

7103edc262cb73b94bd77da978ad0313.exe
Size

320KB
MD5

7103edc262cb73b94bd77da978ad0313
SHA1

eb2e71fbc36e69d7f60631b889ce4a389f8b92c6
SHA256

dcd72e70333a95c4c07bf37b53686b7121543d0994b7357c54c1c917072daef9
SHA512

1917c41802430d85ca29a6e801395ed157e1f72264eceef38c0a0a296ac54adc4f92bf0ec282156ad4b355afdb73f9647632f1e123ff7bec3b5c56507a1450b5
SSDEEP

3072:lbRXn2p4B/51pzVyqZ5iQ88ZJmj3h2OdyC9aNhw3cvo2bDi5fBbHHD+FtW89:lb9+g/pzVwQ82Jm7h2As36CtaJHjN89

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1388-56-0x0000000000400000-0x000000000238C000-memory.dmp	family_gandcrab
behavioral1/memory/1388-59-0x0000000000370000-0x0000000000387000-memory.dmp	family_gandcrab
behavioral1/memory/1388-62-0x0000000000400000-0x000000000238C000-memory.dmp	family_gandcrab
behavioral1/memory/1388-64-0x0000000000370000-0x0000000000387000-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	7103edc262cb73b94bd77da978ad0313.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\hdcvsuqhpbr = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\gtronh.exe\""	7103edc262cb73b94bd77da978ad0313.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)	\??\B:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\K:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\L:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\Y:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\E:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\I:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\Q:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\R:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\T:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\W:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\N:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\O:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\P:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\U:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\X:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\Z:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\V:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\A:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\F:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\G:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\H:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\J:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\M:	7103edc262cb73b94bd77da978ad0313.exe
File opened (read-only)	\??\S:	7103edc262cb73b94bd77da978ad0313.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	7103edc262cb73b94bd77da978ad0313.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	7103edc262cb73b94bd77da978ad0313.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7103edc262cb73b94bd77da978ad0313.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1388	7103edc262cb73b94bd77da978ad0313.exe
1388	7103edc262cb73b94bd77da978ad0313.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 952	1388	7103edc262cb73b94bd77da978ad0313.exe	26
PID 1388 wrote to memory of 952	1388	7103edc262cb73b94bd77da978ad0313.exe	26
PID 1388 wrote to memory of 952	1388	7103edc262cb73b94bd77da978ad0313.exe	26
PID 1388 wrote to memory of 952	1388	7103edc262cb73b94bd77da978ad0313.exe	26
PID 1388 wrote to memory of 1956	1388	7103edc262cb73b94bd77da978ad0313.exe	28
PID 1388 wrote to memory of 1956	1388	7103edc262cb73b94bd77da978ad0313.exe	28
PID 1388 wrote to memory of 1956	1388	7103edc262cb73b94bd77da978ad0313.exe	28
PID 1388 wrote to memory of 1956	1388	7103edc262cb73b94bd77da978ad0313.exe	28
PID 1388 wrote to memory of 672	1388	7103edc262cb73b94bd77da978ad0313.exe	30
PID 1388 wrote to memory of 672	1388	7103edc262cb73b94bd77da978ad0313.exe	30
PID 1388 wrote to memory of 672	1388	7103edc262cb73b94bd77da978ad0313.exe	30
PID 1388 wrote to memory of 672	1388	7103edc262cb73b94bd77da978ad0313.exe	30
PID 1388 wrote to memory of 1668	1388	7103edc262cb73b94bd77da978ad0313.exe	32
PID 1388 wrote to memory of 1668	1388	7103edc262cb73b94bd77da978ad0313.exe	32
PID 1388 wrote to memory of 1668	1388	7103edc262cb73b94bd77da978ad0313.exe	32
PID 1388 wrote to memory of 1668	1388	7103edc262cb73b94bd77da978ad0313.exe	32
PID 1388 wrote to memory of 1204	1388	7103edc262cb73b94bd77da978ad0313.exe	34
PID 1388 wrote to memory of 1204	1388	7103edc262cb73b94bd77da978ad0313.exe	34
PID 1388 wrote to memory of 1204	1388	7103edc262cb73b94bd77da978ad0313.exe	34
PID 1388 wrote to memory of 1204	1388	7103edc262cb73b94bd77da978ad0313.exe	34
PID 1388 wrote to memory of 932	1388	7103edc262cb73b94bd77da978ad0313.exe	36
PID 1388 wrote to memory of 932	1388	7103edc262cb73b94bd77da978ad0313.exe	36
PID 1388 wrote to memory of 932	1388	7103edc262cb73b94bd77da978ad0313.exe	36
PID 1388 wrote to memory of 932	1388	7103edc262cb73b94bd77da978ad0313.exe	36
PID 1388 wrote to memory of 1164	1388	7103edc262cb73b94bd77da978ad0313.exe	38
PID 1388 wrote to memory of 1164	1388	7103edc262cb73b94bd77da978ad0313.exe	38
PID 1388 wrote to memory of 1164	1388	7103edc262cb73b94bd77da978ad0313.exe	38
PID 1388 wrote to memory of 1164	1388	7103edc262cb73b94bd77da978ad0313.exe	38
PID 1388 wrote to memory of 1580	1388	7103edc262cb73b94bd77da978ad0313.exe	40
PID 1388 wrote to memory of 1580	1388	7103edc262cb73b94bd77da978ad0313.exe	40
PID 1388 wrote to memory of 1580	1388	7103edc262cb73b94bd77da978ad0313.exe	40
PID 1388 wrote to memory of 1580	1388	7103edc262cb73b94bd77da978ad0313.exe	40
PID 1388 wrote to memory of 1960	1388	7103edc262cb73b94bd77da978ad0313.exe	42
PID 1388 wrote to memory of 1960	1388	7103edc262cb73b94bd77da978ad0313.exe	42
PID 1388 wrote to memory of 1960	1388	7103edc262cb73b94bd77da978ad0313.exe	42
PID 1388 wrote to memory of 1960	1388	7103edc262cb73b94bd77da978ad0313.exe	42
PID 1388 wrote to memory of 1680	1388	7103edc262cb73b94bd77da978ad0313.exe	44
PID 1388 wrote to memory of 1680	1388	7103edc262cb73b94bd77da978ad0313.exe	44
PID 1388 wrote to memory of 1680	1388	7103edc262cb73b94bd77da978ad0313.exe	44
PID 1388 wrote to memory of 1680	1388	7103edc262cb73b94bd77da978ad0313.exe	44
PID 1388 wrote to memory of 1640	1388	7103edc262cb73b94bd77da978ad0313.exe	46
PID 1388 wrote to memory of 1640	1388	7103edc262cb73b94bd77da978ad0313.exe	46
PID 1388 wrote to memory of 1640	1388	7103edc262cb73b94bd77da978ad0313.exe	46
PID 1388 wrote to memory of 1640	1388	7103edc262cb73b94bd77da978ad0313.exe	46
PID 1388 wrote to memory of 1480	1388	7103edc262cb73b94bd77da978ad0313.exe	48
PID 1388 wrote to memory of 1480	1388	7103edc262cb73b94bd77da978ad0313.exe	48
PID 1388 wrote to memory of 1480	1388	7103edc262cb73b94bd77da978ad0313.exe	48
PID 1388 wrote to memory of 1480	1388	7103edc262cb73b94bd77da978ad0313.exe	48
PID 1388 wrote to memory of 1632	1388	7103edc262cb73b94bd77da978ad0313.exe	50
PID 1388 wrote to memory of 1632	1388	7103edc262cb73b94bd77da978ad0313.exe	50
PID 1388 wrote to memory of 1632	1388	7103edc262cb73b94bd77da978ad0313.exe	50
PID 1388 wrote to memory of 1632	1388	7103edc262cb73b94bd77da978ad0313.exe	50
PID 1388 wrote to memory of 836	1388	7103edc262cb73b94bd77da978ad0313.exe	52
PID 1388 wrote to memory of 836	1388	7103edc262cb73b94bd77da978ad0313.exe	52
PID 1388 wrote to memory of 836	1388	7103edc262cb73b94bd77da978ad0313.exe	52
PID 1388 wrote to memory of 836	1388	7103edc262cb73b94bd77da978ad0313.exe	52
PID 1388 wrote to memory of 1860	1388	7103edc262cb73b94bd77da978ad0313.exe	54
PID 1388 wrote to memory of 1860	1388	7103edc262cb73b94bd77da978ad0313.exe	54
PID 1388 wrote to memory of 1860	1388	7103edc262cb73b94bd77da978ad0313.exe	54
PID 1388 wrote to memory of 1860	1388	7103edc262cb73b94bd77da978ad0313.exe	54
PID 1388 wrote to memory of 1596	1388	7103edc262cb73b94bd77da978ad0313.exe	56
PID 1388 wrote to memory of 1596	1388	7103edc262cb73b94bd77da978ad0313.exe	56
PID 1388 wrote to memory of 1596	1388	7103edc262cb73b94bd77da978ad0313.exe	56
PID 1388 wrote to memory of 1596	1388	7103edc262cb73b94bd77da978ad0313.exe	56

C:\Users\Admin\AppData\Local\Temp\7103edc262cb73b94bd77da978ad0313.exe
"C:\Users\Admin\AppData\Local\Temp\7103edc262cb73b94bd77da978ad0313.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1388
- 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:1956
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1668
- 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:932
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1164
- 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:1960
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1640
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1480
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1632
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:836
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1860
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1476
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1068
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1188
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1964
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1720
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2028
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:272
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1544
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:856
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1052
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1000
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:360
- 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:1564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:968
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1572
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1772
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1740
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1180
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1952
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:960
- 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:1320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1660
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:800
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:240
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1692
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1732
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:432
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1216
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:580
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1600
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:632
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:688
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1748
- 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:1376
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1936
- 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:1088
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1324
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1700
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:544
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:976

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/1388-64-0x0000000000370000-0x0000000000387000-memory.dmp

Filesize
92KB

Download
memory/1388-57-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1388-60-0x000000000242E000-0x000000000244A000-memory.dmp

Filesize
112KB

Download
memory/1388-62-0x0000000000400000-0x000000000238C000-memory.dmp

Filesize
31.5MB

Download
memory/1388-54-0x000000000242E000-0x000000000244A000-memory.dmp

Filesize
112KB

Download
memory/1388-55-0x0000000000400000-0x000000000238C000-memory.dmp

Filesize
31.5MB

Download
memory/1388-56-0x0000000000400000-0x000000000238C000-memory.dmp

Filesize
31.5MB

Download
memory/1388-59-0x0000000000370000-0x0000000000387000-memory.dmp

Filesize
92KB

Download