4781180a4d0419f1b9ce5c0f2598dfd08082585da5493ec6978e7bd3e0de8bd0

General

Target

a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe
Size

63KB
MD5

a9882ca9f29376841c49f8a91ae86587
SHA1

9e96d6cca40be887a6c80d989ba10c30aefe28f6
SHA256

4781180a4d0419f1b9ce5c0f2598dfd08082585da5493ec6978e7bd3e0de8bd0
SHA512

2e29619773abfa3dfb7922c167a1e79e1855bc2cbd41d81b984ce7952f76775db676f743147019ea49ac4e788dd46f2921f75402e231f348e0d76d24668454b5
SSDEEP

1536:Pg7vBBJpwzRmfpCxQLMc8zvG8oaPJ7TFf0pobN8a:Pg7vBjpwzRKtAVTRjZTWpobX

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\360\Parameters\ServiceDll = "C:\\Windows\\system32\\360.dll"	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
2148	notepad.exe

Loads dropped DLL 2 IoCs

pid	Process
1812	rundll32.exe
2936	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\360.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\360.dll	rundll32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\notepad.exe	a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Common Files\notepad.exe	a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe

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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2148	notepad.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 2148	3272	a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe	84
PID 3272 wrote to memory of 2148	3272	a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe	84
PID 3272 wrote to memory of 2148	3272	a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe	84
PID 2148 wrote to memory of 1812	2148	notepad.exe	85
PID 2148 wrote to memory of 1812	2148	notepad.exe	85
PID 2148 wrote to memory of 1812	2148	notepad.exe	85

C:\Users\Admin\AppData\Local\Temp\a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Program Files (x86)\Common Files\notepad.exe
  "C:\Program Files (x86)\Common Files\notepad.exe" C:\Users\Admin\AppData\Local\Temp\a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Opens file in notepad (likely ransom note)
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\877F.tmp" "8A'+ [=[SCMR'8[='U"
    3⤵
    - Server Software Component: Terminal Services DLL
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    PID:1812

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2936

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 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:\Program Files (x86)\Common Files\notepad.exe

Filesize
63KB

MD5
a9882ca9f29376841c49f8a91ae86587

SHA1
9e96d6cca40be887a6c80d989ba10c30aefe28f6

SHA256
4781180a4d0419f1b9ce5c0f2598dfd08082585da5493ec6978e7bd3e0de8bd0

SHA512
2e29619773abfa3dfb7922c167a1e79e1855bc2cbd41d81b984ce7952f76775db676f743147019ea49ac4e788dd46f2921f75402e231f348e0d76d24668454b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\877F.tmp

Filesize
102KB

MD5
b8c1a0a0b6e5482bdc459e854534631d

SHA1
5ce40a94901e2b74cb5cbf46485bd5502ec73d00

SHA256
e672d709bb5a8da3e7a0c3b6fdee2bc658354dd14fb7a229d3594e3eca2ac71f

SHA512
5cce16e4d605412c295b9778ad7db2846804f542af4bb06a8e84a8874b493d9973cdab1bd69469c2fb9f38aa8a3f9023277c14464efb593bb2bdddda87d4e2c8

Download Submit
memory/1812-18-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2148-9-0x0000000000400000-0x000000000043ABF1-memory.dmp

Filesize
234KB

Download
memory/2148-10-0x0000000000400000-0x000000000043ABF1-memory.dmp

Filesize
234KB

Download
memory/2936-19-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3272-0-0x0000000000400000-0x000000000043ABF1-memory.dmp

Filesize
234KB

Download
memory/3272-1-0x0000000000400000-0x000000000043ABF1-memory.dmp

Filesize
234KB

Download
memory/3272-2-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/3272-13-0x0000000000400000-0x000000000043ABF1-memory.dmp

Filesize
234KB

Download
memory/3272-14-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download

Analysis

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