8e5caecea47361361a7d9db02ec614e16884a7dd4c6ebfa029df390ab31eafd2

Analysis

max time kernel
29s
max time network
37s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27/03/2023, 22:46

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General

Target

WSKENXR.exe
Size

653.0MB
MD5

eb5622bc93279202365ebee2006ec544
SHA1

3a360762c7d6c7a3b48bcf6e292799153ff5484d
SHA256

11c1b7886228120ff08c66066e38b663c3e0ee3b296854eb590f8fc426d90198
SHA512

a6dfc7692ef8f1fa3ea5578f06ff19dd1d4fc9e83067edede34406be6d35b769eb6952ec9456c4bd66d4fbd4d47d01893afb9a2e12f06f4d7e47b51b22c1fdaa
SSDEEP

12288:uClq7ejV7NyoQ+xJydH65YYMmE0khmz1FZm97IWs69uHF1ZBlxV:uCIu7jNZQmXZi7zslTBlx

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1100	powershell.exe
1928	WSKENXR.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	WSKENXR.exe
Token: SeDebugPrivilege	1100	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1100	1928	WSKENXR.exe	28
PID 1928 wrote to memory of 1100	1928	WSKENXR.exe	28
PID 1928 wrote to memory of 1100	1928	WSKENXR.exe	28
PID 1928 wrote to memory of 1328	1928	WSKENXR.exe	30
PID 1928 wrote to memory of 1328	1928	WSKENXR.exe	30
PID 1928 wrote to memory of 1328	1928	WSKENXR.exe	30
PID 1328 wrote to memory of 900	1328	cmd.exe	32
PID 1328 wrote to memory of 900	1328	cmd.exe	32
PID 1328 wrote to memory of 900	1328	cmd.exe	32

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\WSKENXR.exe
"C:\Users\Admin\AppData\Local\Temp\WSKENXR.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1100
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "WSKENXR" /tr "C:\ProgramData\audio\WSKENXR.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "WSKENXR" /tr "C:\ProgramData\audio\WSKENXR.exe"
    3⤵
    - Creates scheduled task(s)
    PID:900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1100-88-0x00000000026F0000-0x0000000002770000-memory.dmp

Filesize
512KB

Download
memory/1100-84-0x00000000026F0000-0x0000000002770000-memory.dmp

Filesize
512KB

Download
memory/1100-85-0x00000000026F0000-0x0000000002770000-memory.dmp

Filesize
512KB

Download
memory/1100-86-0x0000000002510000-0x0000000002518000-memory.dmp

Filesize
32KB

Download
memory/1100-87-0x00000000026F0000-0x0000000002770000-memory.dmp

Filesize
512KB

Download
memory/1100-83-0x000000001B000000-0x000000001B2E2000-memory.dmp

Filesize
2.9MB

Download
memory/1928-104-0x0000000077300000-0x00000000773FA000-memory.dmp

Filesize
1000KB

Download
memory/1928-108-0x000007FEFD7F0000-0x000007FEFD91D000-memory.dmp

Filesize
1.2MB

Download
memory/1928-61-0x000007FEF7200000-0x000007FEF726F000-memory.dmp

Filesize
444KB

Download
memory/1928-62-0x000007FEF6D40000-0x000007FEF6DDC000-memory.dmp

Filesize
624KB

Download
memory/1928-63-0x000007FEFDA30000-0x000007FEFDA97000-memory.dmp

Filesize
412KB

Download
memory/1928-64-0x0000000077300000-0x00000000773FA000-memory.dmp

Filesize
1000KB

Download
memory/1928-65-0x000007FEFF720000-0x000007FEFF7BF000-memory.dmp

Filesize
636KB

Download
memory/1928-66-0x0000000077400000-0x000000007751F000-memory.dmp

Filesize
1.1MB

Download
memory/1928-67-0x000007FEFD4C0000-0x000007FEFD52C000-memory.dmp

Filesize
432KB

Download
memory/1928-68-0x000007FEFD770000-0x000007FEFD7E1000-memory.dmp

Filesize
452KB

Download
memory/1928-69-0x000007FEF6C40000-0x000007FEF6D37000-memory.dmp

Filesize
988KB

Download
memory/1928-70-0x000007FEFDC10000-0x000007FEFDCEB000-memory.dmp

Filesize
876KB

Download
memory/1928-71-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/1928-72-0x000007FEFD7F0000-0x000007FEFD91D000-memory.dmp

Filesize
1.2MB

Download
memory/1928-73-0x000007FEFDD70000-0x000007FEFDF73000-memory.dmp

Filesize
2.0MB

Download
memory/1928-55-0x00000000000E0000-0x0000000000121000-memory.dmp

Filesize
260KB

Download
memory/1928-74-0x000007FEFBB60000-0x000007FEFBBB6000-memory.dmp

Filesize
344KB

Download
memory/1928-75-0x00000000008A0000-0x00000000009D4000-memory.dmp

Filesize
1.2MB

Download
memory/1928-76-0x000007FEF69D0000-0x000007FEF6AFC000-memory.dmp

Filesize
1.2MB

Download
memory/1928-77-0x00000000007B0000-0x0000000000830000-memory.dmp

Filesize
512KB

Download
memory/1928-78-0x000007FEFCCB0000-0x000007FEFCCD2000-memory.dmp

Filesize
136KB

Download
memory/1928-91-0x000007FEFDF80000-0x000007FEFE057000-memory.dmp

Filesize
860KB

Download
memory/1928-93-0x000007FEFB940000-0x000007FEFBB55000-memory.dmp

Filesize
2.1MB

Download
memory/1928-96-0x000007FEFE2B0000-0x000007FEFE2CF000-memory.dmp

Filesize
124KB

Download
memory/1928-98-0x0000000077520000-0x00000000776C9000-memory.dmp

Filesize
1.7MB

Download
memory/1928-100-0x000007FEFD4C0000-0x000007FEFD52C000-memory.dmp

Filesize
432KB

Download
memory/1928-99-0x0000000077400000-0x000000007751F000-memory.dmp

Filesize
1.1MB

Download
memory/1928-101-0x000007FEFF720000-0x000007FEFF7BF000-memory.dmp

Filesize
636KB

Download
memory/1928-54-0x00000000008A0000-0x00000000009D4000-memory.dmp

Filesize
1.2MB

Download
memory/1928-102-0x000007FEFD770000-0x000007FEFD7E1000-memory.dmp

Filesize
452KB

Download
memory/1928-57-0x00000000000E0000-0x0000000000121000-memory.dmp

Filesize
260KB

Download
memory/1928-105-0x000007FEF7200000-0x000007FEF726F000-memory.dmp

Filesize
444KB

Download
memory/1928-116-0x000007FEF69D0000-0x000007FEF6AFC000-memory.dmp

Filesize
1.2MB

Download
memory/1928-106-0x000007FEFDC10000-0x000007FEFDCEB000-memory.dmp

Filesize
876KB

Download
memory/1928-109-0x000007FEF6D40000-0x000007FEF6DDC000-memory.dmp

Filesize
624KB

Download
memory/1928-110-0x000007FEFC430000-0x000007FEFC43C000-memory.dmp

Filesize
48KB

Download
memory/1928-111-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/1928-112-0x000007FEF6C40000-0x000007FEF6D37000-memory.dmp

Filesize
988KB

Download
memory/1928-113-0x000007FEFDD70000-0x000007FEFDF73000-memory.dmp

Filesize
2.0MB

Download
memory/1928-114-0x000007FEFBB60000-0x000007FEFBBB6000-memory.dmp

Filesize
344KB

Download
memory/1928-103-0x000007FEFDA30000-0x000007FEFDA97000-memory.dmp

Filesize
412KB

Download
memory/1928-115-0x000007FEFBBE0000-0x000007FEFBBE3000-memory.dmp

Filesize
12KB

Download
memory/1928-119-0x000007FEFDF80000-0x000007FEFE057000-memory.dmp

Filesize
860KB

Download
memory/1928-117-0x000007FEF6C20000-0x000007FEF6C36000-memory.dmp

Filesize
88KB

Download
memory/1928-120-0x000007FEFB940000-0x000007FEFBB55000-memory.dmp

Filesize
2.1MB

Download
memory/1928-121-0x000007FEFB4A0000-0x000007FEFB601000-memory.dmp

Filesize
1.4MB

Download
memory/1928-122-0x000007FEFCB60000-0x000007FEFCB77000-memory.dmp

Filesize
92KB

Download
memory/1928-123-0x000007FEFAB20000-0x000007FEFAB3C000-memory.dmp

Filesize
112KB

Download
memory/1928-124-0x000007FEF1330000-0x000007FEF1392000-memory.dmp

Filesize
392KB

Download
memory/1928-125-0x000007FEFD720000-0x000007FEFD76D000-memory.dmp

Filesize
308KB

Download
memory/1928-126-0x000007FEFA490000-0x000007FEFA4F4000-memory.dmp

Filesize
400KB

Download
memory/1928-127-0x000007FEFA500000-0x000007FEFA571000-memory.dmp

Filesize
452KB

Download
memory/1928-128-0x000007FEFD130000-0x000007FEFD155000-memory.dmp

Filesize
148KB

Download
memory/1928-129-0x000007FEFB030000-0x000007FEFB057000-memory.dmp

Filesize
156KB

Download
memory/1928-130-0x000007FEFD380000-0x000007FEFD3B6000-memory.dmp

Filesize
216KB

Download
memory/1928-131-0x000007FEFC980000-0x000007FEFC9DB000-memory.dmp

Filesize
364KB

Download
memory/1928-132-0x00000000008A0000-0x00000000009D4000-memory.dmp

Filesize
1.2MB

Download
memory/1928-133-0x00000000000E0000-0x0000000000121000-memory.dmp

Filesize
260KB

Download
memory/1928-135-0x0000000077520000-0x00000000776C9000-memory.dmp

Filesize
1.7MB

Download
memory/1928-136-0x0000000077400000-0x000000007751F000-memory.dmp

Filesize
1.1MB

Download
memory/1928-138-0x000007FEFF720000-0x000007FEFF7BF000-memory.dmp

Filesize
636KB

Download
memory/1928-137-0x000007FEFD4C0000-0x000007FEFD52C000-memory.dmp

Filesize
432KB

Download
memory/1928-172-0x00000000007B0000-0x0000000000830000-memory.dmp

Filesize
512KB

Download
memory/1928-212-0x00000000008A0000-0x00000000009D4000-memory.dmp

Filesize
1.2MB

Download