8375f4d8331f7cca886e36b676ec66e8e947f905d1d922d888b33fa420fed547

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 00:27

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General

Target

8375f4d8331f7cca886e36b676ec66e8e947f905d1d922d888b33fa420fed547.dll
Size

76KB
MD5

352d02c52ae5a2d81887869d320065aa
SHA1

602f9db19cc15f8a89e5806f330384519210d984
SHA256

8375f4d8331f7cca886e36b676ec66e8e947f905d1d922d888b33fa420fed547
SHA512

304dca17b815c86cb093e09aeae31b3f3d0d3ed1ab9fe8d0c8ee59d9d1883424a1732ed05c848863020bb305e918bf821b5d9336ca2e49273fe123348b74e453
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZC0n7A:c8y93KQjy7G55riF1cMo0380n7A

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2064-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2064-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2064-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1332	2064	WerFault.exe	30

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	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2064	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 348 wrote to memory of 2064	348	rundll32.exe	30
PID 348 wrote to memory of 2064	348	rundll32.exe	30
PID 348 wrote to memory of 2064	348	rundll32.exe	30
PID 348 wrote to memory of 2064	348	rundll32.exe	30
PID 348 wrote to memory of 2064	348	rundll32.exe	30
PID 348 wrote to memory of 2064	348	rundll32.exe	30
PID 348 wrote to memory of 2064	348	rundll32.exe	30
PID 2064 wrote to memory of 1332	2064	rundll32.exe	31
PID 2064 wrote to memory of 1332	2064	rundll32.exe	31
PID 2064 wrote to memory of 1332	2064	rundll32.exe	31
PID 2064 wrote to memory of 1332	2064	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8375f4d8331f7cca886e36b676ec66e8e947f905d1d922d888b33fa420fed547.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:348
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8375f4d8331f7cca886e36b676ec66e8e947f905d1d922d888b33fa420fed547.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 276
    3⤵
    - Program crash
    PID:1332

Network

MITRE ATT&CK Enterprise v15

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

Replay Monitor

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Downloads

memory/2064-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2064-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2064-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download