d65e31d0695de03ce9f3d9925fafa5b413cb4fc122a45aa7bf5baff8de3fb795

Analysis

max time kernel
152s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
23/09/2023, 10:55

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General

Target

2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
Size

73KB
MD5

1f8c7cf917842064bdf31561722758d6
SHA1

6f4d87647472a460945b224eb2e02df8d2c56bae
SHA256

d65e31d0695de03ce9f3d9925fafa5b413cb4fc122a45aa7bf5baff8de3fb795
SHA512

fb479e1ff2d9bfa397183bc9550c01f8b47fdd862988730db52e7a6e4031decd96afa74bb18d9d26e0c8237093d0c724fe4a4260db8d0196d16e5bdff4cc8867
SSDEEP

1536:9555555555555pmgSeGDjtQhnwmmB0yRMqqU+2bbbAV2/S2mr3IdE8mne0Avu5r2:6MSjOnrmBpMqqDL2/mr3IdE8we0Avu5h

Score

6^/10

persistence

Malware Config

Signatures

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\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\pevokcklabv = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe"	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.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)	\??\X:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\H:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\J:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\S:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\U:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\Q:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\W:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\Y:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\E:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\I:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\K:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\O:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\T:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\V:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\B:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\G:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\N:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\P:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\Z:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\A:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\L:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\M:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
File opened (read-only)	\??\R:	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 652	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	87
PID 4888 wrote to memory of 652	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	87
PID 4888 wrote to memory of 652	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	87
PID 4888 wrote to memory of 4132	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	96
PID 4888 wrote to memory of 4132	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	96
PID 4888 wrote to memory of 4132	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	96
PID 4888 wrote to memory of 876	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	100
PID 4888 wrote to memory of 876	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	100
PID 4888 wrote to memory of 876	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	100
PID 4888 wrote to memory of 3476	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	103
PID 4888 wrote to memory of 3476	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	103
PID 4888 wrote to memory of 3476	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	103
PID 4888 wrote to memory of 5036	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	105
PID 4888 wrote to memory of 5036	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	105
PID 4888 wrote to memory of 5036	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	105
PID 4888 wrote to memory of 4984	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	107
PID 4888 wrote to memory of 4984	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	107
PID 4888 wrote to memory of 4984	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	107
PID 4888 wrote to memory of 3612	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	109
PID 4888 wrote to memory of 3612	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	109
PID 4888 wrote to memory of 3612	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	109
PID 4888 wrote to memory of 544	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	111
PID 4888 wrote to memory of 544	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	111
PID 4888 wrote to memory of 544	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	111
PID 4888 wrote to memory of 3628	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	113
PID 4888 wrote to memory of 3628	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	113
PID 4888 wrote to memory of 3628	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	113
PID 4888 wrote to memory of 4196	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	115
PID 4888 wrote to memory of 4196	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	115
PID 4888 wrote to memory of 4196	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	115
PID 4888 wrote to memory of 2184	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	117
PID 4888 wrote to memory of 2184	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	117
PID 4888 wrote to memory of 2184	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	117
PID 4888 wrote to memory of 3620	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	119
PID 4888 wrote to memory of 3620	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	119
PID 4888 wrote to memory of 3620	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	119
PID 4888 wrote to memory of 4100	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	121
PID 4888 wrote to memory of 4100	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	121
PID 4888 wrote to memory of 4100	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	121
PID 4888 wrote to memory of 4408	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	123
PID 4888 wrote to memory of 4408	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	123
PID 4888 wrote to memory of 4408	4888	2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe	123

C:\Users\Admin\AppData\Local\Temp\2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_1f8c7cf917842064bdf31561722758d6_gandcrab_JC.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:652
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:4132
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3476
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:5036
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4984
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:544
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4196
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2184
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4100
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:4408