18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c

Analysis

max time kernel
149s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/10/2026, 09:27

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General

Target
18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c.exe
Size 2.6MB
Sample261001-levbssvwhx
SHA256 18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c
MD5 f4c12c9ff33a224d74bf37dba86bf200
SHA1 c52fadc63afeabda0807e5795d5a9a7683550371
SHA512 a89e594b8d2a83856b5402c7e8bd6ce9b19e54ff27e4112b1a8a1d6a7e5fb203d4be2543924cd6c47d6d9b965653d67741b3c7f91a9e6aaf4b48d1342a3483a6
SSDEEP 49152:/l6Sf+WN/j2U4FHHP0XpvzYBbMURcvvq2HYYnxI:/l6Sfvj2jFnP0XdE6McvvqHgI
TLSH
T12EC5012577F40A68F8F3AE7449788F66E63ABC70DD35D66E1180218E1D38A52D970B33
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\alg.exe	18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c.exe
File opened for modification	C:\Windows\system32\AppVClient.exe	18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c.exe
File opened for modification	C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe	18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c.exe
File opened for modification	C:\Windows\system32\fxssvc.exe	18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4736-0-0x0000000000400000-0x0000000000698000-memory.dmp	upx
behavioral1/memory/4736-16-0x0000000000400000-0x0000000000698000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1720	4736	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 1 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	18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4736	18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c.exe

C:\Users\Admin\AppData\Local\Temp\18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c.exe
"C:\Users\Admin\AppData\Local\Temp\18a47bb4a98989b5f5dfafff1e7ba969e9812aa7dafae28755c5f449d2cfb08c.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 628
  2⤵
  - Program crash
  PID:1720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4736 -ip 4736
1⤵
PID:3848

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

memory/4736-0-0x0000000000400000-0x0000000000698000-memory.dmp

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memory/4736-1-0x0000000002330000-0x00000000023B5000-memory.dmp

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memory/4736-7-0x0000000002330000-0x00000000023B5000-memory.dmp

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memory/4736-16-0x0000000000400000-0x0000000000698000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads