42bade7a7d1828e0f9a35b471c9230439c518935ad6ca89ae6f9479966750f37

General

Target

e7a1c76348e312d3283a9ffd8d4666f8_JaffaCakes118.exe
Size

2.0MB
MD5

e7a1c76348e312d3283a9ffd8d4666f8
SHA1

0033583fab7f91bed1e98fa9f6fbca6194189861
SHA256

42bade7a7d1828e0f9a35b471c9230439c518935ad6ca89ae6f9479966750f37
SHA512

15ee4e43802280921ee053f634a0f6f5cb4bc4a4de547cd75557f90660dc82fb413103b7786d61635d8b933e9806d68752c897485da733d4087f5a3c2d8ea7c4
SSDEEP

49152:OFUcx88PWPOpX0SFohtNjbTmWbGVdzIKJa4eR6OPgCj4kyGc:O+K88uPCHWWWbG/zF04eUOPgk4kyGc

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	518B.tmp

Executes dropped EXE 1 IoCs

pid	Process
2308	518B.tmp

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

System Information Discovery
T1082

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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000_Classes\Local Settings	518B.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2880	WINWORD.EXE
2880	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2308	518B.tmp

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2880	WINWORD.EXE
2880	WINWORD.EXE
2880	WINWORD.EXE
2880	WINWORD.EXE
2880	WINWORD.EXE
2880	WINWORD.EXE
2880	WINWORD.EXE
2880	WINWORD.EXE
2880	WINWORD.EXE
2880	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 2308	4836	e7a1c76348e312d3283a9ffd8d4666f8_JaffaCakes118.exe	89
PID 4836 wrote to memory of 2308	4836	e7a1c76348e312d3283a9ffd8d4666f8_JaffaCakes118.exe	89
PID 4836 wrote to memory of 2308	4836	e7a1c76348e312d3283a9ffd8d4666f8_JaffaCakes118.exe	89
PID 2308 wrote to memory of 2880	2308	518B.tmp	95
PID 2308 wrote to memory of 2880	2308	518B.tmp	95

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\e7a1c76348e312d3283a9ffd8d4666f8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e7a1c76348e312d3283a9ffd8d4666f8_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Users\Admin\AppData\Local\Temp\518B.tmp
  "C:\Users\Admin\AppData\Local\Temp\518B.tmp" --splashC:\Users\Admin\AppData\Local\Temp\e7a1c76348e312d3283a9ffd8d4666f8_JaffaCakes118.exe 1595CF47BC906A15CB5BC3220ED57F06A63E1F274ACD50F259B8C698517BEEB21C4DB156C4792AEEA57DD10B70BCEA5F808EA1109BA045C1E730225B2E67F014
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\e7a1c76348e312d3283a9ffd8d4666f8_JaffaCakes118.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\518B.tmp

Filesize
2.0MB

MD5
68266002dc2753a40dfb91f82614d363

SHA1
3c6cd77425eb9a4214f0231b372f8df5c4144cd1

SHA256
999f7ca4d2bf555b00fedc383c883da7eae439714b102c26e5ab0a87cbd37aa4

SHA512
7d662dd8281a46dbf3a0fee584ff4f4b129e6163cd1da61313f799d33e6c07988f7dbf884cc65aa5e97f6b2da889a06558808e435986a5df43d27f23895f489d

Download Submit
C:\Users\Admin\AppData\Local\Temp\e7a1c76348e312d3283a9ffd8d4666f8_JaffaCakes118.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
memory/2308-5-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/2880-18-0x00007FFB3AF10000-0x00007FFB3AF20000-memory.dmp

Filesize
64KB

Download
memory/2880-20-0x00007FFB3AF10000-0x00007FFB3AF20000-memory.dmp

Filesize
64KB

Download
memory/2880-13-0x00007FFB7AE90000-0x00007FFB7B085000-memory.dmp

Filesize
2.0MB

Download
memory/2880-12-0x00007FFB7AE90000-0x00007FFB7B085000-memory.dmp

Filesize
2.0MB

Download
memory/2880-14-0x00007FFB3AF10000-0x00007FFB3AF20000-memory.dmp

Filesize
64KB

Download
memory/2880-15-0x00007FFB7AE90000-0x00007FFB7B085000-memory.dmp

Filesize
2.0MB

Download
memory/2880-17-0x00007FFB7AE90000-0x00007FFB7B085000-memory.dmp

Filesize
2.0MB

Download
memory/2880-38-0x00007FFB7AE90000-0x00007FFB7B085000-memory.dmp

Filesize
2.0MB

Download
memory/2880-19-0x00007FFB7AE90000-0x00007FFB7B085000-memory.dmp

Filesize
2.0MB

Download
memory/2880-11-0x00007FFB3AF10000-0x00007FFB3AF20000-memory.dmp

Filesize
64KB

Download
memory/2880-16-0x00007FFB3AF10000-0x00007FFB3AF20000-memory.dmp

Filesize
64KB

Download
memory/2880-21-0x00007FFB7AE90000-0x00007FFB7B085000-memory.dmp

Filesize
2.0MB

Download
memory/2880-22-0x00007FFB7AE90000-0x00007FFB7B085000-memory.dmp

Filesize
2.0MB

Download
memory/2880-23-0x00007FFB38CB0000-0x00007FFB38CC0000-memory.dmp

Filesize
64KB

Download
memory/2880-24-0x00007FFB38CB0000-0x00007FFB38CC0000-memory.dmp

Filesize
64KB

Download
memory/2880-37-0x00007FFB7AE90000-0x00007FFB7B085000-memory.dmp

Filesize
2.0MB

Download
memory/4836-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads