101efb9c59c3d73c3782be29a664c15c69e86e78398e877cf73332a4d44f86c7

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:10

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General

Target

f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a.exe
Size

352KB
MD5

fc7eb63804088472b1cac1ac9fe5d16f
SHA1

63205c7b5c84296478f1ad7d335aa06b8b7da536
SHA256

f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a
SHA512

57c0dcf7689e04e172d4adfdd6295618cb5695034739a4c57d0fd871b864345e54dd05ed5c3475579ff742c947202618c59db0ea351f52521e1cf7622f007734
SSDEEP

6144:UwxU76BJzteu9g8LJId0ER61it8LeZf5sm22UPLwkkBPPmK4vQniV:JU74eYg8ddER6C8LCKJ6PPmJvQiV

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1608	ktvrnf.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2980	1608	WerFault.exe	83

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	f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ktvrnf.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 1608	3144	f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a.exe	83
PID 3144 wrote to memory of 1608	3144	f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a.exe	83
PID 3144 wrote to memory of 1608	3144	f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a.exe	83
PID 1608 wrote to memory of 4472	1608	ktvrnf.exe	84
PID 1608 wrote to memory of 4472	1608	ktvrnf.exe	84
PID 1608 wrote to memory of 4472	1608	ktvrnf.exe	84

C:\Users\Admin\AppData\Local\Temp\f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a.exe
"C:\Users\Admin\AppData\Local\Temp\f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Users\Admin\AppData\Local\Temp\ktvrnf.exe
  C:\Users\Admin\AppData\Local\Temp\ktvrnf.exe C:\Users\Admin\AppData\Local\Temp\krqtdytaag
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Users\Admin\AppData\Local\Temp\ktvrnf.exe
    C:\Users\Admin\AppData\Local\Temp\ktvrnf.exe C:\Users\Admin\AppData\Local\Temp\krqtdytaag
    3⤵
    PID:4472
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 508
    3⤵
    - Program crash
    PID:2980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1608 -ip 1608
1⤵
PID:384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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\krqtdytaag

Filesize
4KB

MD5
b2e7c8631c39f0df1e14be81e7482aaf

SHA1
886c520daf38b08b4d32f3f522375cca39ad2c0b

SHA256
eee2111c310af6f27fa8e5eb4a9378302bcd4a2a32397ca39119cd057158425f

SHA512
1e858289210242b9fd87991e56f4db7fd30f3888fca4e8d78e845f781cdfee3ef508304c09f5d59c656ae933e67f6b9471ea7459721698a4cbedd39d6b7a7e6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\ktvrnf.exe

Filesize
117KB

MD5
918b5b3ab8c29f68394eb7017a42aa85

SHA1
1a783f39a9ed81412bc018a0d54a116bf9de3277

SHA256
b4e506d84bae993428232dd52683753944461f639b7228639be20000563a96e3

SHA512
4a50d82e01690f12f6254f31f11db1fe69d40891b84675d4db25b55b90eb58a078ddafbeb125330df7dec31c6d6af752186ba57a05fd9eb5b6592b636885f672

Download Submit
C:\Users\Admin\AppData\Local\Temp\l3vfu7hizn2

Filesize
210KB

MD5
5250e815ed0a5fb4eb4f2c9675dfb7e8

SHA1
46a0b7ddfd941e667e1201dd511a22b9a981cd3d

SHA256
0439dbfaa3df7150e41a27bf65f511c3ebb4c1fbbf8b005983c51013b496bc0c

SHA512
e31ebda956be17a00e2632a1a10e25dc3070a5feda166354c8dec5accd52e10c353d22ec5447f87f489f24163cd17bbd26a9d50cd3ec48063409293341702cf9

Download Submit
memory/1608-8-0x0000000000440000-0x0000000000442000-memory.dmp

Filesize
8KB

Download