1da4665d85bb2eeb1d3d56195d2b9f2e63ef4443fa4b67c4868d9d6cda2c2bbf

Analysis

max time kernel
96s
max time network
97s
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, 06:43

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General

Target

eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe
Size

12KB
MD5

eac812752903ab553fa197d933f1c34a
SHA1

b15804bf57560eb4c62dde450288d50728377b3e
SHA256

1da4665d85bb2eeb1d3d56195d2b9f2e63ef4443fa4b67c4868d9d6cda2c2bbf
SHA512

1a8cbb86b673d598086120e5774cca11fcc80c9cec6bb5326463d96f794f661b2ec047171698042c8ba3dd2b3c517b5eae16c71edb648cf490efc39d59705fec
SSDEEP

192:GALab9as5gkoV4RO86ZkXTPJfvx2DYlPkrDNA00dyfmfQJi7fJR/:GyacWIsO8vXZx2klPoNfffmfQ07fJR

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3340	cmdbcs.exe

Executes dropped EXE 1 IoCs

pid	Process
3340	cmdbcs.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\cmdbcs = "C:\\Windows\\cmdbcs.exe"	cmdbcs.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cmdbcs.dll	cmdbcs.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\cmdbcs.exe	eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe
File created	C:\Windows\cmdbcs.exe	eac812752903ab553fa197d933f1c34a_JaffaCakes118.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	eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmdbcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3340	cmdbcs.exe
3340	cmdbcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4516	eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe
Token: SeDebugPrivilege	3340	cmdbcs.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 3340	4516	eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe	82
PID 4516 wrote to memory of 3340	4516	eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe	82
PID 4516 wrote to memory of 3340	4516	eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe	82
PID 3340 wrote to memory of 3432	3340	cmdbcs.exe	56
PID 3340 wrote to memory of 3432	3340	cmdbcs.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3432
- C:\Users\Admin\AppData\Local\Temp\eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4516
- - C:\Windows\cmdbcs.exe
    C:\Windows\cmdbcs.exe @C:\Users\Admin\AppData\Local\Temp\eac812752903ab553fa197d933f1c34a_JaffaCakes118.exe@4516
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3340

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:\Windows\cmdbcs.exe

Filesize
12KB

MD5
eac812752903ab553fa197d933f1c34a

SHA1
b15804bf57560eb4c62dde450288d50728377b3e

SHA256
1da4665d85bb2eeb1d3d56195d2b9f2e63ef4443fa4b67c4868d9d6cda2c2bbf

SHA512
1a8cbb86b673d598086120e5774cca11fcc80c9cec6bb5326463d96f794f661b2ec047171698042c8ba3dd2b3c517b5eae16c71edb648cf490efc39d59705fec

Download Submit
memory/3340-7-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/4516-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4516-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download