27b1f51d75c91979cacec43c28940bdd8ec70958d4f3717236945e871317d429

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 22:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3f17fe39c3750cf36e00d02ed92d049e_JaffaCakes118.exe
Size

21KB
MD5

3f17fe39c3750cf36e00d02ed92d049e
SHA1

4e68c3eb16e855cc4fb5b5990f372fce01753390
SHA256

27b1f51d75c91979cacec43c28940bdd8ec70958d4f3717236945e871317d429
SHA512

f5f998d6effe21444201e73474fd303276e229061b6ed115545c7344b03f260bbc43241607f6cef476ea7de45ba511e7f591df4e06ff03b532a73f9fac3f95ce
SSDEEP

384:SIiV728hUQ7Y2P/cVEccDdye7kjlWLe7grPiA8jyrMPhTjanbBoZvp1HOaNJawcV:SRGuY2P0Vo6r7SiAwyrMRjbBHfnbcuyM

Score

7^/10

persistence upx

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-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	3f17fe39c3750cf36e00d02ed92d049e_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3860-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/3860-5-0x0000000000400000-0x0000000000410000-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\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WLIDCVS = "C:\\Windows\\windsv.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Windows\\svservice.exe"	reg.exe

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

System Information Discovery
T1082

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
1048	reg.exe
812	reg.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1772	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3860 wrote to memory of 1268	3860	3f17fe39c3750cf36e00d02ed92d049e_JaffaCakes118.exe	84
PID 3860 wrote to memory of 1268	3860	3f17fe39c3750cf36e00d02ed92d049e_JaffaCakes118.exe	84
PID 3860 wrote to memory of 1268	3860	3f17fe39c3750cf36e00d02ed92d049e_JaffaCakes118.exe	84
PID 1268 wrote to memory of 1048	1268	cmd.exe	87
PID 1268 wrote to memory of 1048	1268	cmd.exe	87
PID 1268 wrote to memory of 1048	1268	cmd.exe	87
PID 1268 wrote to memory of 812	1268	cmd.exe	88
PID 1268 wrote to memory of 812	1268	cmd.exe	88
PID 1268 wrote to memory of 812	1268	cmd.exe	88
PID 1268 wrote to memory of 1772	1268	cmd.exe	89
PID 1268 wrote to memory of 1772	1268	cmd.exe	89
PID 1268 wrote to memory of 1772	1268	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\3f17fe39c3750cf36e00d02ed92d049e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f17fe39c3750cf36e00d02ed92d049e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3860
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B630.tmp\autorun.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1268
- - C:\Windows\SysWOW64\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v svchost /t REG_SZ /d "C:\Windows\svservice.exe" /f
    3⤵
    - Adds Run key to start application
    - Modifies registry key
    PID:1048
- - C:\Windows\SysWOW64\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WLIDCVS /t REG_SZ /d "C:\Windows\windsv.exe" /f
    3⤵
    - Adds Run key to start application
    - Modifies registry key
    PID:812
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn "windows" /tr "C:\windows.exe" /sc daily /mo 1 /st 21:00:00 /SD 01/01/2012 /ed 31/12/2012
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\B630.tmp\autorun.bat

Filesize
345B

MD5
aed492dbef42e8528386599feafcd07d

SHA1
2e6ade6f7e0dbd97d6e116e73ba7b5316be148af

SHA256
594cfc81619330b88be2c7817ba1804f5d46aafe155ad759bd88750c2ce81c1e

SHA512
89919440165bda7dd9b69bcc9cb05837ef7b3ff808ebf218b1821fc407e22b3c1f5d046e7e724774c7d7bf90a71cc0f720c3e3898e17daf84c5b3c250e04419c

Download Submit
memory/3860-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3860-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads