00b1dbb467fd9362fd4f5a3e76ef16f3b4abe4fb620e62aa00a7bdae67c0042a

Analysis

max time kernel
92s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2025, 14:00

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General

Target
LayyB0R.exe
Size 2.6MB
Sample250108-razcvasmgy
SHA256 00b1dbb467fd9362fd4f5a3e76ef16f3b4abe4fb620e62aa00a7bdae67c0042a
MD5 46fe008a90da36053c2283f88baf327a
SHA1 d4468911d1a9d52029a87045b7fe3e48288b0c68
SHA512 3761b0c42a9e4bdfd5c52ccc23217cd60eb5306dcf34c1f462e23442b88b33abb2fe4b428493eb8fa79752803d5b567893512dd3888de0ddbb3a091fae0ca2dd
SSDEEP 6144:YsjqaYcd6M9VwdL94slc8+Yl7aZilp3c52RiMAMl5jpNVXi2Z9Z+T7fcdY/bYT6/:BqaYcEMAnH7aADcIAmpNVXi2Z/+T74Q
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2004 created 2832	2004	LayyB0R.exe	50

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1496	2004	WerFault.exe	82

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	LayyB0R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2004	LayyB0R.exe
2004	LayyB0R.exe
2004	LayyB0R.exe
2004	LayyB0R.exe
4176	svchost.exe
4176	svchost.exe
4176	svchost.exe
4176	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 4176	2004	LayyB0R.exe	83
PID 2004 wrote to memory of 4176	2004	LayyB0R.exe	83
PID 2004 wrote to memory of 4176	2004	LayyB0R.exe	83
PID 2004 wrote to memory of 4176	2004	LayyB0R.exe	83
PID 2004 wrote to memory of 4176	2004	LayyB0R.exe	83

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4176

C:\Users\Admin\AppData\Local\Temp\LayyB0R.exe
"C:\Users\Admin\AppData\Local\Temp\LayyB0R.exe"
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 360
  2⤵
  - Program crash
  PID:1496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2004 -ip 2004
1⤵
PID:2676

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/2004-21-0x0000000000400000-0x00000000004FD000-memory.dmp

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memory/2004-2-0x00000000022A0000-0x000000000230F000-memory.dmp

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memory/2004-3-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/2004-5-0x0000000000400000-0x00000000004FD000-memory.dmp

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memory/2004-4-0x0000000002310000-0x0000000002710000-memory.dmp

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memory/2004-6-0x0000000002310000-0x0000000002710000-memory.dmp

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memory/2004-7-0x00007FFDDEB50000-0x00007FFDDED45000-memory.dmp

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memory/2004-9-0x0000000076AF0000-0x0000000076D05000-memory.dmp

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memory/2004-1-0x0000000000700000-0x0000000000800000-memory.dmp

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memory/2004-19-0x00000000022A0000-0x000000000230F000-memory.dmp

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memory/2004-20-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/4176-10-0x00000000004E0000-0x00000000004EA000-memory.dmp

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memory/4176-17-0x0000000000C00000-0x0000000001000000-memory.dmp

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memory/4176-12-0x0000000000C00000-0x0000000001000000-memory.dmp

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memory/4176-16-0x0000000076AF0000-0x0000000076D05000-memory.dmp

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memory/4176-14-0x00007FFDDEB50000-0x00007FFDDED45000-memory.dmp

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memory/4176-13-0x0000000000C00000-0x0000000001000000-memory.dmp

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memory/4176-22-0x0000000000C00000-0x0000000001000000-memory.dmp

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