gandcrab | e7c8b631d08b694cee5323231b48985f56f2abe0909cb448329f1d7bf58069db

Analysis

max time kernel
18s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07/01/2024, 19:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
Size

308KB
MD5

d0b354ab8677744c68a2e1f4f317fee0
SHA1

7e54300fda71e614b1a137dcc8cd7fd6b6e88242
SHA256

e7c8b631d08b694cee5323231b48985f56f2abe0909cb448329f1d7bf58069db
SHA512

b99d531ea6971fcd721f85c336461f4a9b06ccb3d58fcccce840384e2907dd40daf9d30e35d602f0a2301c88e88faaf5f45af66598dcbbbb636d58343c7c3a8e
SSDEEP

6144:QzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:2DHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2176-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2176-4-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2176-11-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2176-14-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Unexpected DNS network traffic destination 64 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\ssqcxiafxxx = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\kzroam.exe\""	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.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)	\??\T:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\S:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\K:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\L:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\M:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\O:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\P:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\W:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\E:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\B:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\J:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\N:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\U:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\Z:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\A:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\H:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\I:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\Q:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\R:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\V:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\X:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\Y:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
File opened (read-only)	\??\G:	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.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	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2844	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	28
PID 2176 wrote to memory of 2844	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	28
PID 2176 wrote to memory of 2844	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	28
PID 2176 wrote to memory of 2844	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	28
PID 2176 wrote to memory of 2264	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	31
PID 2176 wrote to memory of 2264	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	31
PID 2176 wrote to memory of 2264	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	31
PID 2176 wrote to memory of 2264	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	31
PID 2176 wrote to memory of 2720	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	32
PID 2176 wrote to memory of 2720	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	32
PID 2176 wrote to memory of 2720	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	32
PID 2176 wrote to memory of 2720	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	32
PID 2176 wrote to memory of 2780	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	35
PID 2176 wrote to memory of 2780	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	35
PID 2176 wrote to memory of 2780	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	35
PID 2176 wrote to memory of 2780	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	35
PID 2176 wrote to memory of 2656	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	36
PID 2176 wrote to memory of 2656	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	36
PID 2176 wrote to memory of 2656	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	36
PID 2176 wrote to memory of 2656	2176	20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe	36

C:\Users\Admin\AppData\Local\Temp\20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe
"C:\Users\Admin\AppData\Local\Temp\20240106d0b354ab8677744c68a2e1f4f317fee0karaganymafia.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2720
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2656
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2820
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2908
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2940
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:340
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2500
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1828
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:472
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2868
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1648
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2332
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2080
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2072
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2296
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:3060
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:992
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2376
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2480
- 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:1964
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1928
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1820
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1220
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:484
- 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:1996
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1604
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2676
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2300
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2028
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2748
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2616
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2180
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1140
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1208
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2984

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

Loading Replay Monitor...

Downloads

memory/2176-1-0x000000000AB70000-0x000000000AC70000-memory.dmp

Filesize
1024KB

Download
memory/2176-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2176-4-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2176-11-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2176-13-0x000000000AB70000-0x000000000AC70000-memory.dmp

Filesize
1024KB

Download
memory/2176-14-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download