eb0cfa64be185bba99d30d1c965decfc330d8dca6c89f083a24b550e2c8b9203

General

Target

fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe
Size

320KB
MD5

fee84a3e918c3cca39ffc118bf5590e3
SHA1

de45b4e4885d2f85a0b584bdfeeb51eda4dd8ae2
SHA256

eb0cfa64be185bba99d30d1c965decfc330d8dca6c89f083a24b550e2c8b9203
SHA512

26d1deca007e21f828f3d9f4b80ad6fcc2ff11f92f3a133b8ebbaf7f893d36f384406659979b0452d807784b3273fd0a58c77d3d79e5c079c13117094e5305fa
SSDEEP

6144:Tjcd8YcU72998kF5YHvTD/mstQGE8xl0qHEDQD8yu:Ed3yxW3/msv9hu

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-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3028	fchkxctwa.exe

Loads dropped DLL 1 IoCs

pid	Process
3028	fchkxctwa.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2336	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2276	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	fchkxctwa.exe
3028	fchkxctwa.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3028	fchkxctwa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3028	fchkxctwa.exe
3028	fchkxctwa.exe
3028	fchkxctwa.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3028	fchkxctwa.exe
3028	fchkxctwa.exe
3028	fchkxctwa.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 2616	4048	fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe	100
PID 4048 wrote to memory of 2616	4048	fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe	100
PID 4048 wrote to memory of 2616	4048	fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe	100
PID 2616 wrote to memory of 2336	2616	cmd.exe	102
PID 2616 wrote to memory of 2336	2616	cmd.exe	102
PID 2616 wrote to memory of 2336	2616	cmd.exe	102
PID 2616 wrote to memory of 2276	2616	cmd.exe	103
PID 2616 wrote to memory of 2276	2616	cmd.exe	103
PID 2616 wrote to memory of 2276	2616	cmd.exe	103
PID 2616 wrote to memory of 3028	2616	cmd.exe	105
PID 2616 wrote to memory of 3028	2616	cmd.exe	105
PID 2616 wrote to memory of 3028	2616	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4048 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\FCHKXC~1.EXE -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 4048
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2336
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2276
- - C:\Users\Admin\AppData\Local\fchkxctwa.exe
    C:\Users\Admin\AppData\Local\FCHKXC~1.EXE -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\fchkxctwa.exe

Filesize
320KB

MD5
fee84a3e918c3cca39ffc118bf5590e3

SHA1
de45b4e4885d2f85a0b584bdfeeb51eda4dd8ae2

SHA256
eb0cfa64be185bba99d30d1c965decfc330d8dca6c89f083a24b550e2c8b9203

SHA512
26d1deca007e21f828f3d9f4b80ad6fcc2ff11f92f3a133b8ebbaf7f893d36f384406659979b0452d807784b3273fd0a58c77d3d79e5c079c13117094e5305fa

Download Submit
memory/3028-21-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-19-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-34-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-32-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-30-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-13-0x0000000000570000-0x0000000000572000-memory.dmp

Filesize
8KB

Download
memory/3028-12-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-10-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-28-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-15-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-17-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-25-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/3028-23-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/4048-0-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download
memory/4048-2-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/4048-1-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/4048-5-0x0000000001000000-0x00000000010FB000-memory.dmp

Filesize
1004KB

Download
memory/4048-3-0x0000000000CC0000-0x0000000000CC2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing