f2910adb30a6f61cbc56141f8625c1ec46ba631e6856616f716ca0e390beb824

Analysis

max time kernel
134s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 19:27

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General

Target

bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Size

84KB
MD5

bce1c4eab4cc9dc82cce0f360ce22edb
SHA1

15ea0e6a88f2c1979dd3d6f135f4591031baf639
SHA256

f2910adb30a6f61cbc56141f8625c1ec46ba631e6856616f716ca0e390beb824
SHA512

73f4b7a1bc8e3153baa10a60cdbd3231f977c082f000a980f73c9d2334c96882b73c238eea8c84a35fc570ab372c70db6d0a5017c7c36b8b2c1616db2ed5e80b
SSDEEP

1536:9uJAbqy3Zoz21uNfuiLOeWGNOJ6IDo5gkR4GxoRZsQvo2t:9AtypoU2LORGNOhKgkRP2t

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\CmSTP = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cmstp.exe /waitservice"	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Esent Utl = "C:\\Users\\Admin\\AppData\\Local\\Temp\\esentutl.exe /waitservice"	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1552	rsvp.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rsvp.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ComRepl = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\comrepl.exe /waitservice"	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 1552	3208	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe	84
PID 3208 wrote to memory of 1552	3208	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe	84
PID 3208 wrote to memory of 1552	3208	bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bce1c4eab4cc9dc82cce0f360ce22edb_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Users\Admin\AppData\Local\Temp\rsvp.exe
  C:\Users\Admin\AppData\Local\Temp\rsvp.exe /waitservice
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\rsvp.exe

Filesize
84KB

MD5
bce1c4eab4cc9dc82cce0f360ce22edb

SHA1
15ea0e6a88f2c1979dd3d6f135f4591031baf639

SHA256
f2910adb30a6f61cbc56141f8625c1ec46ba631e6856616f716ca0e390beb824

SHA512
73f4b7a1bc8e3153baa10a60cdbd3231f977c082f000a980f73c9d2334c96882b73c238eea8c84a35fc570ab372c70db6d0a5017c7c36b8b2c1616db2ed5e80b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads