gandcrab | 0fc122026ff887be142999d6d85fd363b461c912bd27f96221a7123d4629ceec

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
30-03-2024 22:28

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General

Target

45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
Size

276KB
MD5

45e7826967170a3f678adeb339256d0e
SHA1

7f4186153dc40a74b258acd7b55a99d31f6b6302
SHA256

0fc122026ff887be142999d6d85fd363b461c912bd27f96221a7123d4629ceec
SHA512

d5d288d48545481ade9f2e23dc41b98997d60abf3dae9966648cc6e8532717409b3eb43be03f1c79849d881ce46f225b5e05100e134fa97fc2736b843776955b
SSDEEP

6144:/a1G8FVA6adUedCqdo1NGKXmhYvWVQMBCXaFhWzAJM:8FG6adUncu8Ykv2aFhUN

Score

10^/10

gandcrab backdoor persistence ransomware upx

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1948-5-0x0000000000400000-0x0000000000448000-memory.dmp	family_gandcrab
behavioral1/memory/1948-6-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/1948-8-0x0000000000400000-0x0000000000448000-memory.dmp	family_gandcrab
behavioral1/memory/1948-17-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1948-0-0x0000000000400000-0x0000000000448000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\pxxrksdunkc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lpbhuf.exe\""	45e7826967170a3f678adeb339256d0e_JaffaCakes118.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

Processes:

45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\Z:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\I:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\L:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\X:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\Y:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\O:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\P:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\S:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\T:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\A:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\J:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\K:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\M:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\W:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\Q:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\V:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\N:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\R:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\U:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\B:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\E:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\G:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
File opened (read-only)	\??\H:	45e7826967170a3f678adeb339256d0e_JaffaCakes118.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

Processes:

45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe

pid process

1948 45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
1948 45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe

pid	process
1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe

description	pid	process	target process
PID 1948 wrote to memory of 2552	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2552	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2552	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2552	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2600	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2600	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2600	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2600	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2856	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2856	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2856	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2856	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2344	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2344	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2344	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2344	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2440	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2440	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2440	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2440	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2184	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2184	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2184	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2184	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2000	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2000	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2000	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2000	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2672	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2672	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2672	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2672	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1364	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1364	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1364	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1364	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1784	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1784	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1784	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1784	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1952	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1952	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1952	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1952	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1660	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1660	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1660	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1660	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1744	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1744	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1744	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 1744	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2264	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2264	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2264	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 2264	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 664	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 664	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 664	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 664	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 684	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 684	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 684	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe
PID 1948 wrote to memory of 684	1948	45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\45e7826967170a3f678adeb339256d0e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2600
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2856
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2344
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2440
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2184
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2000
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1364
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1784
- 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:1660
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1744
- 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:664
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:684
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1108
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1848
- 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:1552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2404

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/1948-0-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1948-3-0x00000000008B0000-0x00000000009B0000-memory.dmp

Filesize
1024KB

Download
memory/1948-4-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1948-5-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1948-6-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/1948-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1948-15-0x00000000008B0000-0x00000000009B0000-memory.dmp

Filesize
1024KB

Download
memory/1948-17-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download