8fd86393593c18df53d1024123ce8f6e1fe0ea9b96f9121815c18be795ba7d77

General

Target

b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe
Size

40KB
MD5

b3c29791a71013574719a87cd695bb46
SHA1

376a5903e30cf8b5b034365521d5a22cd9996983
SHA256

8fd86393593c18df53d1024123ce8f6e1fe0ea9b96f9121815c18be795ba7d77
SHA512

ca9f9381308801d4951f95f50f5d8b38cc368d2e6b91700d735a6e46dd9719d558bf207425746b0053517eaba481f8ce459368dbfe79a2761da0db821d154e78
SSDEEP

768:aq9m/ZsybSg2ts4L3RLc/qjhsKmHbk1+qJ0UtHQDn:aqk/Zdic/qjh8w19JDHA

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2244	services.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023402-4.dat	upx
behavioral2/memory/2244-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-13-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-17-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-35-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2244-53-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\Run\JavaVM = "C:\\Windows\\java.exe"	b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe
File opened for modification	C:\Windows\java.exe	b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe
File created	C:\Windows\java.exe	b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 2244	1532	b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe	82
PID 1532 wrote to memory of 2244	1532	b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe	82
PID 1532 wrote to memory of 2244	1532	b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3c29791a71013574719a87cd695bb46_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2244

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

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Downloads

C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1532-0-0x0000000000500000-0x000000000050D000-memory.dmp

Filesize
52KB

Download
memory/2244-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-13-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-35-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2244-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads