waski | 8461be510e70c0582716a9d10fe4c8209fac4caf2c0f633d25ca68315f4a3e67

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
25/04/2026, 08:39

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General

Target
2026-04-25_5086e172e8e575a79bb03b9463b414bb_elex_wannacry.exe
Size 30KB
Sample260425-kkhdract9v
SHA256 8461be510e70c0582716a9d10fe4c8209fac4caf2c0f633d25ca68315f4a3e67
MD5 5086e172e8e575a79bb03b9463b414bb
SHA1 dee8b04b76fb657b9eeee64c7e10469ef33aca15
SHA512 58873d789d42a74a0773c6594bd6c8ec3e71ea90b3f216882283abb85838477b7eb4fb2ee829743d7278530f07ffbf4fe1160773bc78952b8934ec4f34079bd1
SSDEEP 384:uTKWckBeEd6ml1pcg7eMUyA9hIbieeqpgM:uPckEEd62J7PUyA9hIeeeQR
TLSH
T12EE272396AD45D73E3BFC7B186F7C1C6A975742B3A03592E80851B841C23B12EDA0B9D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery downloader waski

Malware Config

Signatures

Family: Waski
Waski is a trojan downloader written in C++.
downloader waski

Detects Waski payload 1 IoCs

resource	yara_rule
behavioral2/files/0x003200000002b13e-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
1176	codecsupdater.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	2026-04-25_5086e172e8e575a79bb03b9463b414bb_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	codecsupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 1176	4700	2026-04-25_5086e172e8e575a79bb03b9463b414bb_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-04-25_5086e172e8e575a79bb03b9463b414bb_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-25_5086e172e8e575a79bb03b9463b414bb_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1176

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 31KB
SHA256 24f99cc3b8e3e494a5226cb174007daf5c28febf9ed5ea8c8a62865761e61301
MD5 e07365346809038a301f0403419e5694
SHA1 169673c10fca63e6f83790842ebe7e483dfe52ae
SHA512 8048979026aef25b7711c18b1e82432011673b5cf9ba3ef0185a55cbe3762259f2ffba25b6dde2ba1b9df7bbcd0798c1da917efa1eb1b2fc696086daacb71a19
SSDEEP 384:uTKWckBeEd6ml1pcg7eMUyA9hIbieeqpgN:uPckEEd62J7PUyA9hIeeeQA
TLSH
T1F3E283386AD45D73E3BFC7B186F7C1C6A974742B3A03592E80851B841C23B12ECA0B9D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1176-9-0x0000000000B80000-0x0000000000BA5000-memory.dmp

Download

memory/4700-8-0x0000000000B80000-0x0000000000BA5000-memory.dmp