bada580efa147660d4042f557622d4f3d3e38b131a17add2c4320cee03636836

Analysis

max time kernel
148s
max time network
156s
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 19:55

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General

Target

5f475f3f7c27c744afe9f860d0e0c93c6acabb6eec8a222118a498d0f8816a10.exe
Size

318KB
MD5

7b3ac47b7e0a3b84ae5a4a34c3b37503
SHA1

6b73e3bcff26f7b9d805bdf839271478e10d3aa9
SHA256

5f475f3f7c27c744afe9f860d0e0c93c6acabb6eec8a222118a498d0f8816a10
SHA512

dcb5b2ee9a55376699a733be65f8fdc5f482d2305447c67341577b40aabc9d27b34a76beb328daf3478ecd23e47d2064fb4b419f89cc3d2e0673e0c755d11105
SSDEEP

6144:TxDuIshmUqiRw6gPmFyggTDL40FbL5COzewlSUeGaSH+g:EIJ3hg9OHJCOa4FeGaDg

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4640	sekfuer.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
3652	4640	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	5f475f3f7c27c744afe9f860d0e0c93c6acabb6eec8a222118a498d0f8816a10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sekfuer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 4640	2816	5f475f3f7c27c744afe9f860d0e0c93c6acabb6eec8a222118a498d0f8816a10.exe	83
PID 2816 wrote to memory of 4640	2816	5f475f3f7c27c744afe9f860d0e0c93c6acabb6eec8a222118a498d0f8816a10.exe	83
PID 2816 wrote to memory of 4640	2816	5f475f3f7c27c744afe9f860d0e0c93c6acabb6eec8a222118a498d0f8816a10.exe	83
PID 4640 wrote to memory of 4564	4640	sekfuer.exe	84
PID 4640 wrote to memory of 4564	4640	sekfuer.exe	84
PID 4640 wrote to memory of 4564	4640	sekfuer.exe	84

C:\Users\Admin\AppData\Local\Temp\5f475f3f7c27c744afe9f860d0e0c93c6acabb6eec8a222118a498d0f8816a10.exe
"C:\Users\Admin\AppData\Local\Temp\5f475f3f7c27c744afe9f860d0e0c93c6acabb6eec8a222118a498d0f8816a10.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\sekfuer.exe
  C:\Users\Admin\AppData\Local\Temp\sekfuer.exe C:\Users\Admin\AppData\Local\Temp\kxvtoctk
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4640
- - C:\Users\Admin\AppData\Local\Temp\sekfuer.exe
    C:\Users\Admin\AppData\Local\Temp\sekfuer.exe C:\Users\Admin\AppData\Local\Temp\kxvtoctk
    3⤵
    PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 596
    3⤵
    - Program crash
    PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4640 -ip 4640
1⤵
PID:3100

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\5no0u0gva98wlri45ov1

Filesize
211KB

MD5
d6b23032a09ffeb6abcde5d358a4a811

SHA1
f38ceb3fb628a218f6e622b664487a5fc7e9cbe5

SHA256
e9c6a985773580b2c3bbce4b42e8bffea84c4fd682588cbf1c8ff4c6a4a2604c

SHA512
a0d379a6426fbb6eb368935fc5fdf0c168ea7742f324cf0dbec2e3987c86ee9967fccad309b3d525bf1f371a66f6d4a843b48a30f8ec9a161a94d052dc9c5c15

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

Filesize
4KB

MD5
03f193756bc6453453b4211edc08b400

SHA1
8d51ca5d3ccbcc6b596ccc318c79e4b041cc7917

SHA256
920d6c6a4ef09c4e3bbc4b9b609bc0992d19dd64d1243e16a030ad31e4c8dc3e

SHA512
b33fd3a30a3f9e19054543f6fc6ed4d7dc730715fc92f4c5a8403ac8f0d4e94a5c5222ffda32dcfed4aa8ce6bf351a59ea6610c819975893bcad2f9b1696bbcd

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

Filesize
175KB

MD5
726feddb203f26ef36c573c5305d97f8

SHA1
0c88f5fe319fc16f18f924d57837c1cd8e1ddc07

SHA256
6c1038acb3f2815c1e332a37fac58ec85cf3737a6e6792e2dbf6a0a2c0ed00c4

SHA512
23ec28b39d0ab1c6dbc2fc2b9f7331a2610df03492522842517d41c52dffecf92d3ee688612134697495e5184f9ec8ac066e0b092eb637967ea5f220e83dd99a

Download Submit
memory/4640-8-0x0000000000530000-0x0000000000532000-memory.dmp

Filesize
8KB

Download