272d67e54c8299b16dc9e2cf758e69483539b5aba3e9b23c07d959614004d3da

Resubmissions

01/03/2025, 19:08

250301-xtkxfsyrx8 10

01/03/2025, 19:04

250301-xqx3lsyxdw 10

Analysis

max time kernel
7s
max time network
6s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
01/03/2025, 19:08

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General

Target

JaffaCakes118_3af46cb477469e00503f15d72b33152c.exe
Size

196KB
MD5

3af46cb477469e00503f15d72b33152c
SHA1

ffbdf6f77169fb27fc6f84afd4fd8a284c7eb750
SHA256

272d67e54c8299b16dc9e2cf758e69483539b5aba3e9b23c07d959614004d3da
SHA512

6a1fcb6794937bbf02b45d1093f71beea5396bd7cbae27c7d892047609139b0f48917f7cc6572cae6ecb011e997938b96de34eb641d6f421cabd4105542477d8
SSDEEP

3072:VHun03vOvtYzonqSioDXxbuE9w2qbXUeZPtrQ/a/4qCyMlZV:hI03vOvtoSiodbuYzqDvZC/a4qAfV

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3592	kmrcbktvtf

Executes dropped EXE 1 IoCs

pid	Process
3592	kmrcbktvtf

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1088	3592	WerFault.exe	88

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	kmrcbktvtf
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3af46cb477469e00503f15d72b33152c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3592	kmrcbktvtf
3592	kmrcbktvtf

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	3592	kmrcbktvtf
Token: SeBackupPrivilege	3592	kmrcbktvtf
Token: SeBackupPrivilege	3592	kmrcbktvtf
Token: SeRestorePrivilege	3592	kmrcbktvtf

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 3592	4756	JaffaCakes118_3af46cb477469e00503f15d72b33152c.exe	88
PID 4756 wrote to memory of 3592	4756	JaffaCakes118_3af46cb477469e00503f15d72b33152c.exe	88
PID 4756 wrote to memory of 3592	4756	JaffaCakes118_3af46cb477469e00503f15d72b33152c.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3af46cb477469e00503f15d72b33152c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3af46cb477469e00503f15d72b33152c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4756
- \??\c:\users\admin\appdata\local\kmrcbktvtf
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3af46cb477469e00503f15d72b33152c.exe" a -sc:\users\admin\appdata\local\temp\jaffacakes118_3af46cb477469e00503f15d72b33152c.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 320
    3⤵
    - Program crash
    PID:1088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3592 -ip 3592
1⤵
PID:1276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\kmrcbktvtf

Filesize
22.6MB

MD5
f20a82c3352d8ab19dea77475c259ba9

SHA1
39bdb3011db583822fda97d6534dd9548f1d8f69

SHA256
616aae58c48c4937b4669c67896a667bbc8d31c9a1a133bf3aa26d80e3937b70

SHA512
77869d0e2743bd998325810abfc2c7c437fcb1887a2595c857235db0bb5bfade5acbd49e490c5b9e853b89c623cc3ea7dc4fe33156d9820b8e9f499feaa1b0e5

Download Submit
memory/3592-7-0x0000000000400000-0x0000000000432800-memory.dmp

Filesize
202KB

Download
memory/4756-0-0x0000000000400000-0x0000000000432800-memory.dmp

Filesize
202KB

Download
memory/4756-6-0x0000000000400000-0x0000000000432800-memory.dmp

Filesize
202KB

Download