783d3d6f239947ea26bec0c9dca952daa9f4357af225fc70af93528cf9a92bc8

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 02:03

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe
Size

543KB
MD5

d349f183d12c06cc2ce5e50997f0168b
SHA1

40c1fd9e82b4b77ba5f89990932d4bd69c27da98
SHA256

783d3d6f239947ea26bec0c9dca952daa9f4357af225fc70af93528cf9a92bc8
SHA512

b707c6435d0d55c81bf54f319386740b17caa7cc40e7b923b66ee15beb1c4c42c44d9b5bbffbe902ce03b2673cd259397fadaad04a3c091f3ee3d073be669917
SSDEEP

12288:lr6MUh7WB+TLpFNOC31wtWvj3Mz1it4NyghvRaE5:lrrUkEDNOC31aWDMBiChvRa0

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2068	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1332	RegSrvc.exe

Loads dropped DLL 2 IoCs

pid	Process
2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe
2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 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\KvStart = "C:\\Windows\\SysWOW64\\RegSrvc.exe"	RegSrvc.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\RegSrvc.exe	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	RegSrvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1332	2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe	31
PID 2124 wrote to memory of 1332	2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe	31
PID 2124 wrote to memory of 1332	2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe	31
PID 2124 wrote to memory of 1332	2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe	31
PID 2124 wrote to memory of 2068	2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe	32
PID 2124 wrote to memory of 2068	2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe	32
PID 2124 wrote to memory of 2068	2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe	32
PID 2124 wrote to memory of 2068	2124	d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d349f183d12c06cc2ce5e50997f0168b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\RegSrvc.exe
  "C:\Windows\system32\RegSrvc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:1332
- C:\Windows\SysWOW64\cmd.exe
  cmd /c .\delme.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2068

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\delme.bat

Filesize
158B

MD5
b220f8b0cf4507e80284f767da8aa7d2

SHA1
5b96e210f510bb8c7f600bf16f52d9b338180528

SHA256
870ab00a663fb500ec9a7f0828bbd61652efa3ab8376f5a5f95e46c8e110f2cb

SHA512
5c75906e91ae59e8d933daca32bd17eb85611b14f2116ee360807482820b7340ce04ce137b4e6b1eb65253f86a07710d6804fb3d27790eed4f62958dab44e490

Download Submit
C:\Windows\SysWOW64\RegSrvc.exe

Filesize
422KB

MD5
de46905e42e5796acb68b56519017130

SHA1
96b0f5e0e59f5fab118bab2918c1d00872c15eab

SHA256
d6beaa9b60866c0b6d15cb62839061abd1527b2a57f5d2ba99af8a296a5fdd3c

SHA512
ab0d046c3272442e86b51c62472a1a753ad23bc5e41a9b37e128f987eefb845e403bc4a476844ffd5c3819ee03dfe78eda583dcd750f817526026a29884e7b8b

Download Submit
memory/1332-17-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1332-19-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2124-16-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads