ef3efbbc8d3d7f3d672340545dd501e4dedf030f96e94428e11e626ff1506ea6

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
17/10/2026, 00:41

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General

Target
ef3efbbc8d3d7f3d672340545dd501e4dedf030f96e94428e11e626ff1506ea6.exe
Size 7.9MB
Sample261017-a17cpscd67
SHA256 ef3efbbc8d3d7f3d672340545dd501e4dedf030f96e94428e11e626ff1506ea6
MD5 cc575c12af80f25a83ec878f1e9882be
SHA1 9200b97261eac096eb91bb2129b36a278502209b
SHA512 6d861109b9b096b46e3f0827d2f539a746d55e1f8715e6b66b499150795f3cd8bf9b640618c2dca03045254cd2d67412f24e446f99368f294b189b3258718de8
SSDEEP 196608:qV4UgUe3OVUqexie0noVF7bQJiHYAQCx2C:qaUTe3OVUhp7tgQ7Q22
TLSH
T1A88601216E7D8121F422863C049CA577E5BBBBDDBB1F458B62B4263B1B23780492D773
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\alg.exe	ef3efbbc8d3d7f3d672340545dd501e4dedf030f96e94428e11e626ff1506ea6.exe
File opened for modification	C:\Windows\system32\AppVClient.exe	ef3efbbc8d3d7f3d672340545dd501e4dedf030f96e94428e11e626ff1506ea6.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
864	4584	WerFault.exe	83

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	ef3efbbc8d3d7f3d672340545dd501e4dedf030f96e94428e11e626ff1506ea6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4584	ef3efbbc8d3d7f3d672340545dd501e4dedf030f96e94428e11e626ff1506ea6.exe

C:\Users\Admin\AppData\Local\Temp\ef3efbbc8d3d7f3d672340545dd501e4dedf030f96e94428e11e626ff1506ea6.exe
"C:\Users\Admin\AppData\Local\Temp\ef3efbbc8d3d7f3d672340545dd501e4dedf030f96e94428e11e626ff1506ea6.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4584
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 628
  2⤵
  - Program crash
  PID:864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4584 -ip 4584
1⤵
PID:6120

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/4584-0-0x0000000004410000-0x0000000004514000-memory.dmp

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memory/4584-6-0x00000000046A0000-0x0000000004725000-memory.dmp

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memory/4584-2-0x00000000046A0000-0x0000000004725000-memory.dmp

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memory/4584-8-0x0000000000400000-0x00000000028F0000-memory.dmp

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memory/4584-16-0x0000000000400000-0x00000000028F0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads