a6cbc79a7bc2e01e1a12b3bbbcd8b4e7b17e2a342ed26d01145b006c50a46484

General

Target

43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe
Size

382KB
MD5

43399001a5d874ba3fa4c289d7033eed
SHA1

00739fb9255eb83ce78389e2cc97b3615a9b2ddb
SHA256

a6cbc79a7bc2e01e1a12b3bbbcd8b4e7b17e2a342ed26d01145b006c50a46484
SHA512

022aad4f2f05b697f568e2073616e2e3a0658ab8262ce4a07d725d60b72c3170492feedfea776bbfb3d395712172810f97c5728f5e129de9b2c1f0f2a8b23a36
SSDEEP

6144:oWayFWFkwByXkRLMaKmays74PQ4nvD/o1q11VqkscP/VfRMw/fUXCubtso0JU:H4+oyXhwnP1vD/o1UVqkntf+UYSJ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1040	Server.exe
2888	caikong.exe

Loads dropped DLL 2 IoCs

pid	Process
2332	43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe
2332	43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe

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\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\caikong.exe	Server.exe
File opened for modification	C:\Windows\caikong.exe	Server.exe
File created	C:\Windows\uninstal.bat	Server.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	Server.exe
Token: SeDebugPrivilege	2888	caikong.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	caikong.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 1040	2332	43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe	30
PID 2332 wrote to memory of 1040	2332	43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe	30
PID 2332 wrote to memory of 1040	2332	43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe	30
PID 2332 wrote to memory of 1040	2332	43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe	30
PID 2888 wrote to memory of 2844	2888	caikong.exe	32
PID 2888 wrote to memory of 2844	2888	caikong.exe	32
PID 2888 wrote to memory of 2844	2888	caikong.exe	32
PID 2888 wrote to memory of 2844	2888	caikong.exe	32
PID 1040 wrote to memory of 2880	1040	Server.exe	33
PID 1040 wrote to memory of 2880	1040	Server.exe	33
PID 1040 wrote to memory of 2880	1040	Server.exe	33
PID 1040 wrote to memory of 2880	1040	Server.exe	33
PID 1040 wrote to memory of 2880	1040	Server.exe	33
PID 1040 wrote to memory of 2880	1040	Server.exe	33
PID 1040 wrote to memory of 2880	1040	Server.exe	33

C:\Users\Admin\AppData\Local\Temp\43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\43399001a5d874ba3fa4c289d7033eed_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1040
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\uninstal.bat
    3⤵
    PID:2880

C:\Windows\caikong.exe
C:\Windows\caikong.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\uninstal.bat

Filesize
160B

MD5
69e01c599950b5caf5cd7ec972f89682

SHA1
2d34ceced77c1f86417c00f706e06cc902b11e3b

SHA256
b46da5e666a34856e6f9763f5bef2a4879b4d33f42ea1727be44a84e76fc8e5e

SHA512
48acf4f4b87eb21a255003a18ed572efb78d5c3ad90b4529bbb16dd32b53142c8f08fe4f567d29115e2ac1fb543f71c1b9ac3dc79cc14afda84c67f72ff11ba9

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe

Filesize
743KB

MD5
418e443e34b64656124e091670d0f9a3

SHA1
10660bffc4e0bdcfe7dee9bf2e9fe2c7da5831a6

SHA256
263ca0aa7112f7a6ab418592644aaa5e8d7d489c0273b44a4a4ef863dce6ac76

SHA512
28c5c935084ad1dea9ce478754bc1b0c9a1a747ebeb2964520fc49de506a28e23ee9352b2ec0c947a3472b25f47fd66df55f949e1b7999632a15c70879c7286f

Download Submit
memory/1040-13-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1040-24-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2332-3-0x0000000001000000-0x00000000010C1400-memory.dmp

Filesize
773KB

Download
memory/2332-25-0x0000000001000000-0x00000000010C1400-memory.dmp

Filesize
773KB

Download
memory/2888-20-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2888-27-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2888-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads