c4ebf762a6019039e48501bf5cd8553f4de657160a4bc92b23f97f64981eda30

General

Target

a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
Size

69KB
MD5

a8605ee6c7e47b92376f7e36095a99e9
SHA1

4bba2604c93326678c986e67bad96c3d23ce0854
SHA256

c4ebf762a6019039e48501bf5cd8553f4de657160a4bc92b23f97f64981eda30
SHA512

fedf52fb852f91bd947f8566f2b09225259ab1a1f54508357d0c5817a4c9f4d81283bb0fe34d2201eee55d48cc2097ff189908af55c0189d52346f69654aa40a
SSDEEP

1536:lZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAwfMqqU+2bbbAV2/S2Lkvd9:5BounVyFHpfMqqDL2/Lkvd

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\vyfdxbbeobx = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe"	a8605ee6c7e47b92376f7e36095a99e9_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

description	ioc	Process
File opened (read-only)	\??\E:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\H:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\I:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\L:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\X:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\T:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\J:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\K:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\N:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\O:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\Q:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\R:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\S:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\U:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\W:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\Y:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\A:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\G:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\M:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\B:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\P:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\V:	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
File opened (read-only)	\??\Z:	a8605ee6c7e47b92376f7e36095a99e9_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 5012	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	86
PID 3532 wrote to memory of 5012	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	86
PID 3532 wrote to memory of 5012	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	86
PID 3532 wrote to memory of 4672	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	90
PID 3532 wrote to memory of 4672	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	90
PID 3532 wrote to memory of 4672	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	90
PID 3532 wrote to memory of 2880	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	95
PID 3532 wrote to memory of 2880	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	95
PID 3532 wrote to memory of 2880	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	95
PID 3532 wrote to memory of 4152	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	99
PID 3532 wrote to memory of 4152	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	99
PID 3532 wrote to memory of 4152	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	99
PID 3532 wrote to memory of 2968	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	101
PID 3532 wrote to memory of 2968	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	101
PID 3532 wrote to memory of 2968	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	101
PID 3532 wrote to memory of 4196	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	103
PID 3532 wrote to memory of 4196	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	103
PID 3532 wrote to memory of 4196	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	103
PID 3532 wrote to memory of 4572	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	105
PID 3532 wrote to memory of 4572	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	105
PID 3532 wrote to memory of 4572	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	105
PID 3532 wrote to memory of 1964	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	107
PID 3532 wrote to memory of 1964	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	107
PID 3532 wrote to memory of 1964	3532	a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe	107

C:\Users\Admin\AppData\Local\Temp\a8605ee6c7e47b92376f7e36095a99e9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8605ee6c7e47b92376f7e36095a99e9_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:3532
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.coin dns1.soprodns.ru
  2⤵
  PID:5012
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns2.soprodns.ru
  2⤵
  PID:2880
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.coin dns2.soprodns.ru
  2⤵
  PID:4152
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns2.soprodns.ru
  2⤵
  PID:2968
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4196
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.coin dns1.soprodns.ru
  2⤵
  PID:4572
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1964