173315eabc16ff4df392fd989870632d9dd662181f0079a8c8dab0da0d85d813

Analysis

max time kernel
0s
max time network
12s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/08/2026, 18:55

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Reason

Machine shutdown

General

Target
2026-08-24_fe405dc974320f1f5741244257e196ec_conti.exe
Size 104KB
Sample260824-xkyrysysg1
SHA256 173315eabc16ff4df392fd989870632d9dd662181f0079a8c8dab0da0d85d813
MD5 fe405dc974320f1f5741244257e196ec
SHA1 eca561e30cb20e024695fc598cb3cca1b748cac2
SHA512 98afaf12186f353e724e4827ceb43a8741d1e01a05e9fd17cc8c56763d662aeb73f3c88c311bd186ec666e1b3367a883bdb042851d56f4658e8f8d8d925b8923
SSDEEP 1536:BFlGZV9dMY3w00bcmqgR5yCynD53iDDWG4QkSJ8vWnjzSMNDF80imYFMn7o9T/I7:BXGfbZ6D6G4TenjjlvYFU7oZ6
TLSH
T16CA3E6E066D85D87EA14177C45D6D322223EF6E087538B03E634B6361F13BD1B9C626E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion execution upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral1/memory/1236-0-0x00007FF7F3BD0000-0x00007FF7F3C01000-memory.dmp	UPX

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1236-0-0x00007FF7F3BD0000-0x00007FF7F3C01000-memory.dmp	upx

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
372	cmd.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
3664	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3664	taskkill.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 372	1236	2026-08-24_fe405dc974320f1f5741244257e196ec_conti.exe	85
PID 372 wrote to memory of 3664	372	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-08-24_fe405dc974320f1f5741244257e196ec_conti.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_fe405dc974320f1f5741244257e196ec_conti.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c TASKKILL /F /T /IM wininit.exe
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:372
- - C:\Windows\system32\taskkill.exe
    TASKKILL /F /T /IM wininit.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3664

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:4328

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1236-0-0x00007FF7F3BD0000-0x00007FF7F3C01000-memory.dmp

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