e5075e31fcc7c2abda6fbf1625ca12867b39c4c66bf70fb1d199e56da461eb94

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 04:20

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General

Target
2026-08-10_97f3f2ab44649ec96327ed8bf71c64be_cryptowall_elex.exe
Size 111KB
Sample260810-ex6n8avycw
SHA256 e5075e31fcc7c2abda6fbf1625ca12867b39c4c66bf70fb1d199e56da461eb94
MD5 97f3f2ab44649ec96327ed8bf71c64be
SHA1 2e8a65eea080e1059abbc4770935a541df341403
SHA512 b5b9a0ee661329532572eaefb6771b70e4400ca506ac715ecf20fe00a66fc239dc04ec14dfb146975dd6f4fd88ba50de7694919852747581c0c61289638e8258
SSDEEP 3072:XBZk/WaepTR2WTPCkCwENzCKtz3SfkUo7xh/awwDYD:XB1pTT2kCSKtz3SMLPawwDY
TLSH
T127B3F910D0A0C7BAE4A240F9C7E90EBDB8354D60335606C7A3C23E797752DE56B35BA9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Detects ransomware indicator 12 IoCs

resource	yara_rule
behavioral2/memory/4916-0-0x0000000000C30000-0x0000000000C50000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/4916-1-0x0000000000C30000-0x0000000000C50000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/files/0x000d00000001c50d-5.dat	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/3296-9-0x00000000008D0000-0x00000000008F0000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/3296-12-0x00000000008D0000-0x00000000008F0000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/3644-10-0x00000000005A0000-0x00000000005C0000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/4544-16-0x0000000000D70000-0x0000000000D90000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/2808-21-0x00000000005F0000-0x0000000000610000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/2808-22-0x00000000005F0000-0x0000000000610000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/4664-24-0x0000000001020000-0x0000000001040000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/3644-26-0x00000000005A0000-0x00000000005C0000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/4664-27-0x0000000001020000-0x0000000001040000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Creates a file in the Startup directory 1 TTPs 3 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

persistence privilege_escalation

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba33606.exe	explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba33606.exe	explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba33606.exe	explorer.exe

Executes dropped EXE 2 IoCs

pid	Process
5576	ba33606.exe
3980	ba33606.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\ba3360 = "C:\\ba33606\\ba33606.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\ba33606 = "C:\\Users\\Admin\\AppData\\Roaming\\ba33606.exe"	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	ba33606.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ba33606.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-10_97f3f2ab44649ec96327ed8bf71c64be_cryptowall_elex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2808	svchost.exe
2808	svchost.exe
2808	svchost.exe
2808	svchost.exe
4664	svchost.exe
4664	svchost.exe
4664	svchost.exe
4664	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
6128	2026-08-10_97f3f2ab44649ec96327ed8bf71c64be_cryptowall_elex.exe
5576	ba33606.exe
3980	ba33606.exe
3296	explorer.exe
3644	explorer.exe
4916	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 6128 wrote to memory of 4916	6128	2026-08-10_97f3f2ab44649ec96327ed8bf71c64be_cryptowall_elex.exe	89
PID 5576 wrote to memory of 3296	5576	ba33606.exe	94
PID 3980 wrote to memory of 3644	3980	ba33606.exe	95
PID 3296 wrote to memory of 4544	3296	explorer.exe	96
PID 3644 wrote to memory of 2808	3644	explorer.exe	97
PID 4916 wrote to memory of 4664	4916	explorer.exe	98

C:\Users\Admin\AppData\Local\Temp\2026-08-10_97f3f2ab44649ec96327ed8bf71c64be_cryptowall_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-10_97f3f2ab44649ec96327ed8bf71c64be_cryptowall_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:6128
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\syswow64\explorer.exe"
  2⤵
  - Creates a file in the Startup directory
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4916
- - C:\Windows\SysWOW64\svchost.exe
    -k netsvcs
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4664

C:\Users\Admin\AppData\Roaming\ba33606.exe
C:\Users\Admin\AppData\Roaming\ba33606.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5576
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\syswow64\explorer.exe"
  2⤵
  - Creates a file in the Startup directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3296
- - C:\Windows\SysWOW64\svchost.exe
    -k netsvcs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4544

C:\ba33606\ba33606.exe
C:\ba33606\ba33606.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\syswow64\explorer.exe"
  2⤵
  - Creates a file in the Startup directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3644
- - C:\Windows\SysWOW64\svchost.exe
    -k netsvcs
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:2808

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

ba33606.exe

Path C:\Users\Admin\AppData\Roaming\ba33606.exe
Size 111KB
SHA256 e5075e31fcc7c2abda6fbf1625ca12867b39c4c66bf70fb1d199e56da461eb94
MD5 97f3f2ab44649ec96327ed8bf71c64be
SHA1 2e8a65eea080e1059abbc4770935a541df341403
SHA512 b5b9a0ee661329532572eaefb6771b70e4400ca506ac715ecf20fe00a66fc239dc04ec14dfb146975dd6f4fd88ba50de7694919852747581c0c61289638e8258
SSDEEP 3072:XBZk/WaepTR2WTPCkCwENzCKtz3SfkUo7xh/awwDYD:XB1pTT2kCSKtz3SMLPawwDY
TLSH
T127B3F910D0A0C7BAE4A240F9C7E90EBDB8354D60335606C7A3C23E797752DE56B35BA9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2808-21-0x00000000005F0000-0x0000000000610000-memory.dmp

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memory/2808-22-0x00000000005F0000-0x0000000000610000-memory.dmp

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memory/3296-9-0x00000000008D0000-0x00000000008F0000-memory.dmp

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memory/3296-12-0x00000000008D0000-0x00000000008F0000-memory.dmp

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memory/3644-10-0x00000000005A0000-0x00000000005C0000-memory.dmp

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memory/3644-26-0x00000000005A0000-0x00000000005C0000-memory.dmp

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memory/4544-16-0x0000000000D70000-0x0000000000D90000-memory.dmp

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memory/4664-24-0x0000000001020000-0x0000000001040000-memory.dmp

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memory/4664-27-0x0000000001020000-0x0000000001040000-memory.dmp

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memory/4916-0-0x0000000000C30000-0x0000000000C50000-memory.dmp

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memory/4916-1-0x0000000000C30000-0x0000000000C50000-memory.dmp

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