8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4

Analysis

max time kernel
90s
max time network
91s
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 06:07

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General

Target

8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe
Size

598KB
MD5

e229fe5ae716ba9812100d3489cd5f30
SHA1

5d3c974c3efa7c1bd4e73c8059131d42a73f59f5
SHA256

8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4
SHA512

854ddc92c2eb25ce4e3afb4266c7f8938b59c2472df27de8b248ef1fd0a12864ed90faed9b73affc5ffb8db1386db3674f6328efb4e13cdbaff4d4aac77e91f1
SSDEEP

12288:BbL2N6YXe4u/cwWnoEWz1d5IbcjIgPr13NbuTJ7DOZzOSOYUh8T6UMH:R4V7

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
744	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3384 set thread context of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4964	744	WerFault.exe	85

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	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85
PID 3384 wrote to memory of 744	3384	8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe	85

C:\Users\Admin\AppData\Local\Temp\8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe
"C:\Users\Admin\AppData\Local\Temp\8641e1062420633a19c065f0c61b522a072933d482c6ba2f1ca477e9ee1f0ad4N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3384
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 272
    3⤵
    - Program crash
    PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 744 -ip 744
1⤵
PID:4176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

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\vbc.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/744-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/744-11-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/744-9-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/744-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3384-0-0x0000000074AC2000-0x0000000074AC3000-memory.dmp

Filesize
4KB

Download
memory/3384-1-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/3384-2-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/3384-13-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download