waski | 911fca7c1ac94d11b1f3fa9fc605e4f9893bd28cb64fce04784d4fe114a444ee

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 06:43

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General

Target
2026-08-20_dc371870bf4c0d985ca5d121f20f9742_elex_wannacry.exe
Size 26KB
Sample260820-hg2bca1fjd
SHA256 911fca7c1ac94d11b1f3fa9fc605e4f9893bd28cb64fce04784d4fe114a444ee
MD5 dc371870bf4c0d985ca5d121f20f9742
SHA1 c5d99454f5843d6e06537b993bdab29bc5ed8b2d
SHA512 792a0cb5b849b3453356fa2d8d3edb4a02c4f8f7be27781a51b0871f2140f15c6a71c6a951d6999d528b16cec201353283534571f1b93e42e87315c202651098
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnGJA55YyzMUS:vLoZWN6GGBZ2BbwEoP/NUOAzTS
TLSH
T1FCC23F3C5FD55AB2E3B7CAB6C5F696C6F931B063B9024D0E808603854C23B12ED91E6D
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/0x000d00000001c518-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
1408	operaupdater.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	2026-08-20_dc371870bf4c0d985ca5d121f20f9742_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	operaupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5532 wrote to memory of 1408	5532	2026-08-20_dc371870bf4c0d985ca5d121f20f9742_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-20_dc371870bf4c0d985ca5d121f20f9742_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_dc371870bf4c0d985ca5d121f20f9742_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5532
- C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\operaupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1408

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

operaupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
Size 26KB
SHA256 b9015e910aab329010d718176c83156caac04a27966f8b55eb644ea669177adc
MD5 9190d4b285946843b8bcfcd149b34a48
SHA1 5bcda68e32dbeb0703be5901b5e49233b0fd8df6
SHA512 4c64b11a67055cb97ea3ead2e83314c4e8985e3246868515453cd186111976c9bab7313a95762a808fe0b5b9afd72192c5f76b0fbce2a86ea9bfac0545bc0afc
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnGJA55YyzMUtp:vLoZWN6GGBZ2BbwEoP/NUOAzTtp
TLSH
T1CAC23F3C5FD55AB2E3B7CAB6C5F696C6F930B463B9024D0E808603854C23B12ED91E6D
MD5 SHA1 SHA512 SSDEEP TLSH

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