gandcrab | 07ad98f1b863912458084984f0353eec8df1fbe1b020ebb4092b25aca6491e3e

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
15/08/2023, 16:53

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General

Target

fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
Size

145KB
MD5

fa08961a542b9c28e4180ace17a5ad28
SHA1

e7163580d636fd88de311e49b0b48069bf8635a4
SHA256

07ad98f1b863912458084984f0353eec8df1fbe1b020ebb4092b25aca6491e3e
SHA512

dc89bbd616a7e28aae7735e1ba696cf802f5ffc26f1c46ed5d712f99fabfbbe7c7e50226e631f2a0a19bdaaeb00ce77e01f89fd582dad13425ef946e3e6d759a
SSDEEP

3072:MYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:MyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral2/memory/460-133-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/460-137-0x0000000000400000-0x0000000000428000-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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ikidaergbmq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe"	fa08961a542b9c28e4180ace17a5ad28_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)	\??\Q:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\A:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\L:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\X:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\Z:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\R:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\V:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\P:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\S:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\T:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\U:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\J:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\N:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\G:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\H:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\I:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\K:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\M:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\O:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\B:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\E:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\W:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\Y:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 888	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	81
PID 460 wrote to memory of 888	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	81
PID 460 wrote to memory of 888	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	81
PID 460 wrote to memory of 760	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	91
PID 460 wrote to memory of 760	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	91
PID 460 wrote to memory of 760	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	91
PID 460 wrote to memory of 4400	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	93
PID 460 wrote to memory of 4400	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	93
PID 460 wrote to memory of 4400	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	93
PID 460 wrote to memory of 3804	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	96
PID 460 wrote to memory of 3804	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	96
PID 460 wrote to memory of 3804	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	96
PID 460 wrote to memory of 5116	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	98
PID 460 wrote to memory of 5116	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	98
PID 460 wrote to memory of 5116	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	98
PID 460 wrote to memory of 4704	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	100
PID 460 wrote to memory of 4704	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	100
PID 460 wrote to memory of 4704	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	100
PID 460 wrote to memory of 4700	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	102
PID 460 wrote to memory of 4700	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	102
PID 460 wrote to memory of 4700	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	102
PID 460 wrote to memory of 2892	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	104
PID 460 wrote to memory of 2892	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	104
PID 460 wrote to memory of 2892	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	104
PID 460 wrote to memory of 2672	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	106
PID 460 wrote to memory of 2672	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	106
PID 460 wrote to memory of 2672	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	106
PID 460 wrote to memory of 3092	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	108
PID 460 wrote to memory of 3092	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	108
PID 460 wrote to memory of 3092	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	108
PID 460 wrote to memory of 1308	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	110
PID 460 wrote to memory of 1308	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	110
PID 460 wrote to memory of 1308	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	110
PID 460 wrote to memory of 3084	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	112
PID 460 wrote to memory of 3084	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	112
PID 460 wrote to memory of 3084	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	112
PID 460 wrote to memory of 3956	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	114
PID 460 wrote to memory of 3956	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	114
PID 460 wrote to memory of 3956	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	114
PID 460 wrote to memory of 2028	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	116
PID 460 wrote to memory of 2028	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	116
PID 460 wrote to memory of 2028	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	116
PID 460 wrote to memory of 2492	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	118
PID 460 wrote to memory of 2492	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	118
PID 460 wrote to memory of 2492	460	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	118

C:\Users\Admin\AppData\Local\Temp\fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
"C:\Users\Admin\AppData\Local\Temp\fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:460
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4400
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:5116
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4704
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4700
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2892
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3092
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3084
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3956
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2028
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

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Downloads

memory/460-133-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/460-137-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download