9bde970d80c71413291f866ba01b8cb7f094e3aafa971e6aa9b63374db14c376

General

Target

5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
Size

1.1MB
MD5

5362df5ce5f17c85f8dc2832b405db1d
SHA1

178a6d2e0e18add29f109684371ed8cefc9b0874
SHA256

9bde970d80c71413291f866ba01b8cb7f094e3aafa971e6aa9b63374db14c376
SHA512

1a04ea14ab5e5ffec7fec0a506be15d0fdaf297e64211bc9dc5740fb09b3a0b6104965705d8f4f308f05b145f04edf02ecef4035f9e1a5beeac8697fca087a91
SSDEEP

24576:tSukdh8M5B0QmXZKRjMe8ukin4UN2JAOcASFpPafH3CK2M:EuOh86pmpKRjaXin4JURM

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 3 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Twunk\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\rfhisq.dll"	winrar.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\services\Twunk\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\rfhisq.dll"	winrar.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\Twunk\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\rfhisq.dll"	winrar.exe

Executes dropped EXE 2 IoCs

pid	Process
2936	·ÉÑ©ÈÕÀúv2.62×¢²áÆ÷.exe
2004	winrar.exe

Loads dropped DLL 6 IoCs

pid	Process
2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
2004	winrar.exe
1932	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\000574fe.001	winrar.exe
File created	C:\Windows\SysWOW64\rfhisq.dll	winrar.exe
File created	C:\Windows\SysWOW64\drivþtrfhisq.sys	winrar.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	·ÉÑ©ÈÕÀúv2.62×¢²áÆ÷.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winrar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
472	Process not Found

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
1932	svchost.exe
1932	svchost.exe
1932	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2936	2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe	31
PID 2544 wrote to memory of 2936	2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe	31
PID 2544 wrote to memory of 2936	2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe	31
PID 2544 wrote to memory of 2936	2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe	31
PID 2544 wrote to memory of 2004	2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe	32
PID 2544 wrote to memory of 2004	2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe	32
PID 2544 wrote to memory of 2004	2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe	32
PID 2544 wrote to memory of 2004	2544	5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\·ÉÑ©ÈÕÀúv2.62×¢²áÆ÷.exe
  "C:\Users\Admin\AppData\Local\Temp\·ÉÑ©ÈÕÀúv2.62×¢²áÆ÷.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2936
- C:\Users\Admin\AppData\Local\Temp\winrar.exe
  "C:\Users\Admin\AppData\Local\Temp\winrar.exe"
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2004

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k Twunk
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\designed4.ini

Filesize
15KB

MD5
31710f5be697d3b8fc08a0574e49d3a6

SHA1
49ccd38ca2a40d8112709d2ec1d68a8070411f24

SHA256
1cd64102e1cb5d81a8d892b7c2a210f1ffcd7fe6ffc1855aa08013a12632682c

SHA512
f8cfccab7bb211ed566fa784f16462e43970d1ebfd4a52398169344a4959c8c7e725a22436fc8a02b5c9c90796da4c32e2a2a631d451f4c9a263dba57d2c86d0

Download Submit
\Users\Admin\AppData\Local\Temp\winrar.exe

Filesize
62KB

MD5
de9d6c4561715bebcd065fa7d1842e25

SHA1
00de694b5d045d73ec312bc432600d5ff977131f

SHA256
249bd062cdd02c860a5dc8d7c494efe6ecc527fc3daa5d9bdec2774ef9f6341c

SHA512
464674d41b3fa766e8a4d26d9b0fd9272941ca96062dc639453b6acbb8c298083329d58900fd1d29d59c2ed8d0ee34f92fc22712411f63f35bb043c4c31d1533

Download Submit
\Users\Admin\AppData\Local\Temp\·ÉÑ©ÈÕÀúv2.62×¢²áÆ÷.exe

Filesize
430KB

MD5
3469887e88aaa5b700ff4c59143ddd2e

SHA1
dc89ee47359cb7b05c1d81fa02714a2a09b28f00

SHA256
ff66217d0de18d4289524269eeb33374e07c0fab8079f12b36f6b013ee83648c

SHA512
be688e6ff27289d9bbdad181b8e8631219cf7b84925a14a2660810e2bac04d2a36b6b151c9459c1791a5c71b94064bdaac3fd60021708c8f17416656797b2165

Download Submit
\Windows\SysWOW64\rfhisq.dll

Filesize
89KB

MD5
ee7dfdccf25348af24278cdf0aa30b13

SHA1
572af5efa366cd2c3d4d9646a50cc11c68a97f73

SHA256
e7cf3d766a29422121c15499461b175f56b4bea2822a89689ee6c3392ef645c2

SHA512
7b24cba58a90e7f408ff0f7ba53e57d656639474a58170449e89f6d1bdec8566f786c888c465f660a39059bf18e08c3a37a45fd874b5338d20841bc5579cad99

Download Submit
memory/2004-554-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2004-548-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-5-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/2544-2-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/2544-13-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/2544-12-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/2544-11-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/2544-10-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download
memory/2544-9-0x0000000001F30000-0x0000000001F31000-memory.dmp

Filesize
4KB

Download
memory/2544-8-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/2544-7-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/2544-6-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/2544-1-0x0000000001DD0000-0x0000000001E24000-memory.dmp

Filesize
336KB

Download
memory/2544-4-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2544-3-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/2544-14-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/2544-20-0x0000000000400000-0x000000000059A000-memory.dmp

Filesize
1.6MB

Download
memory/2544-15-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/2544-16-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/2544-536-0x0000000004820000-0x0000000004828000-memory.dmp

Filesize
32KB

Download
memory/2544-543-0x0000000001DD0000-0x0000000001E24000-memory.dmp

Filesize
336KB

Download
memory/2544-17-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/2544-541-0x0000000004820000-0x0000000004828000-memory.dmp

Filesize
32KB

Download
memory/2544-18-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/2544-19-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/2544-547-0x0000000000400000-0x000000000059A000-memory.dmp

Filesize
1.6MB

Download
memory/2544-0-0x0000000000400000-0x000000000059A000-memory.dmp

Filesize
1.6MB

Download
memory/2936-555-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download

Analysis

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