668ce0c1cb9b53b9d86714fc3bf48ef4c4b623244b21c0b4c418244a4ea5abe5

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:17

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General

Target

eaa7dab76ed6306409d4f1c4223de987_JaffaCakes118.exe
Size

248KB
MD5

eaa7dab76ed6306409d4f1c4223de987
SHA1

1edfaa87059d62e1d64bf6fee1ab997f5d4835d0
SHA256

668ce0c1cb9b53b9d86714fc3bf48ef4c4b623244b21c0b4c418244a4ea5abe5
SHA512

ef1d0b6c3278abfc5b28e22cf7e1e0d4329439ac011ded1daf19eec3e52a5c6e82f0c3ca5031dd6f4286d3199696769f90e12a7a6036dce5d5b3decd4940692b
SSDEEP

3072:pQYnYfB/uo4k72ciWLJdVyAtbjpOCXH2YdM6J7NmtnMJ2lmU:pQYsB/uEPNaAtbj9H2YdldNUMUlmU

Score

8^/10

discovery evasion execution persistence

Malware Config

Signatures

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 1 IoCs

pid	Process
624	lalg.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\lalg.exe	eaa7dab76ed6306409d4f1c4223de987_JaffaCakes118.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4048	sc.exe
4352	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	eaa7dab76ed6306409d4f1c4223de987_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lalg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2100	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2100	AUDIODG.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 624	4952	eaa7dab76ed6306409d4f1c4223de987_JaffaCakes118.exe	83
PID 4952 wrote to memory of 624	4952	eaa7dab76ed6306409d4f1c4223de987_JaffaCakes118.exe	83
PID 4952 wrote to memory of 624	4952	eaa7dab76ed6306409d4f1c4223de987_JaffaCakes118.exe	83
PID 624 wrote to memory of 4352	624	lalg.exe	84
PID 624 wrote to memory of 4352	624	lalg.exe	84
PID 624 wrote to memory of 4352	624	lalg.exe	84
PID 624 wrote to memory of 4048	624	lalg.exe	85
PID 624 wrote to memory of 4048	624	lalg.exe	85
PID 624 wrote to memory of 4048	624	lalg.exe	85

C:\Users\Admin\AppData\Local\Temp\eaa7dab76ed6306409d4f1c4223de987_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eaa7dab76ed6306409d4f1c4223de987_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- C:\WINDOWS\SysWOW64\lalg.exe
  C:\WINDOWS\system32\lalg.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:624
- - C:\WINDOWS\SysWOW64\sc.exe
    sc.exe delete "Webserv"
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4352
- - C:\WINDOWS\SysWOW64\sc.exe
    sc.exe Create "Webserv" type= own type= interact start= auto DisplayName= "web" binPath= "cmd.exe /c start "C:\WINDOWS\SysWOW64\lalg.exe"
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4048

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x46c 0x2ec
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Windows\SysWOW64\lalg.exe

Filesize
76KB

MD5
8c823919c151f175fa7951c4e2e1c3df

SHA1
b0970b7375f40d211116b09ac96e334fe473bf48

SHA256
a1d606d98bc955ef814dc9167dec6e8d44003d5a74185598c8418aff0a4d3e9f

SHA512
1740ae25c977828f042c5eb3c77f4c118f386356393b71a63614f2ac792d14df3449e9ffc87521e2b5be6a7ba199b45b2b89ec0922fbce80725972992e09d44f

Download Submit
memory/4952-0-0x0000000000AC0000-0x0000000000AE2000-memory.dmp

Filesize
136KB

Download
memory/4952-1-0x0000000000AC0000-0x0000000000AE2000-memory.dmp

Filesize
136KB

Download
memory/4952-6-0x0000000000AC0000-0x0000000000AE2000-memory.dmp

Filesize
136KB

Download