gandcrab | 07ad98f1b863912458084984f0353eec8df1fbe1b020ebb4092b25aca6491e3e

Analysis

max time kernel
145s
max time network
149s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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
behavioral1/memory/3008-54-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral1/memory/3008-58-0x0000000000400000-0x0000000000428000-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-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\ouzallltowi = "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)	\??\A:	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)	\??\O:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\R:	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)	\??\V:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\Z:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\M:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\P:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\W:	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)	\??\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)	\??\S:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\X:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\Y:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\G:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\L:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
File opened (read-only)	\??\Q:	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe
3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2904	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	28
PID 3008 wrote to memory of 2904	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	28
PID 3008 wrote to memory of 2904	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	28
PID 3008 wrote to memory of 2904	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	28
PID 3008 wrote to memory of 2816	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	31
PID 3008 wrote to memory of 2816	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	31
PID 3008 wrote to memory of 2816	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	31
PID 3008 wrote to memory of 2816	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	31
PID 3008 wrote to memory of 2280	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	33
PID 3008 wrote to memory of 2280	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	33
PID 3008 wrote to memory of 2280	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	33
PID 3008 wrote to memory of 2280	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	33
PID 3008 wrote to memory of 2772	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	37
PID 3008 wrote to memory of 2772	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	37
PID 3008 wrote to memory of 2772	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	37
PID 3008 wrote to memory of 2772	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	37
PID 3008 wrote to memory of 2752	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	39
PID 3008 wrote to memory of 2752	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	39
PID 3008 wrote to memory of 2752	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	39
PID 3008 wrote to memory of 2752	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	39
PID 3008 wrote to memory of 380	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	41
PID 3008 wrote to memory of 380	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	41
PID 3008 wrote to memory of 380	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	41
PID 3008 wrote to memory of 380	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	41
PID 3008 wrote to memory of 568	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	43
PID 3008 wrote to memory of 568	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	43
PID 3008 wrote to memory of 568	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	43
PID 3008 wrote to memory of 568	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	43
PID 3008 wrote to memory of 2152	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	45
PID 3008 wrote to memory of 2152	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	45
PID 3008 wrote to memory of 2152	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	45
PID 3008 wrote to memory of 2152	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	45
PID 3008 wrote to memory of 560	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	47
PID 3008 wrote to memory of 560	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	47
PID 3008 wrote to memory of 560	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	47
PID 3008 wrote to memory of 560	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	47
PID 3008 wrote to memory of 2336	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	49
PID 3008 wrote to memory of 2336	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	49
PID 3008 wrote to memory of 2336	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	49
PID 3008 wrote to memory of 2336	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	49
PID 3008 wrote to memory of 2740	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	51
PID 3008 wrote to memory of 2740	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	51
PID 3008 wrote to memory of 2740	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	51
PID 3008 wrote to memory of 2740	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	51
PID 3008 wrote to memory of 1692	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	53
PID 3008 wrote to memory of 1692	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	53
PID 3008 wrote to memory of 1692	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	53
PID 3008 wrote to memory of 1692	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	53
PID 3008 wrote to memory of 2988	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	55
PID 3008 wrote to memory of 2988	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	55
PID 3008 wrote to memory of 2988	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	55
PID 3008 wrote to memory of 2988	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	55
PID 3008 wrote to memory of 3004	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	57
PID 3008 wrote to memory of 3004	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	57
PID 3008 wrote to memory of 3004	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	57
PID 3008 wrote to memory of 3004	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	57
PID 3008 wrote to memory of 2980	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	59
PID 3008 wrote to memory of 2980	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	59
PID 3008 wrote to memory of 2980	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	59
PID 3008 wrote to memory of 2980	3008	fa08961a542b9c28e4180ace17a5ad28_gandcrab_JC.exe	59

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:3008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2904
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2772
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2752
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:380
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:568
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2152
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:560
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2336
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2740
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1692
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2988
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2980

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/3008-54-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3008-58-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download