a8c59abed8d4a8dd3e5caec2b1b8632d43941ce962039991aaa2feb1be61267d

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 02:43

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General

Target

97ac68d72812a7b31de91271f428518f.exe
Size

329KB
MD5

97ac68d72812a7b31de91271f428518f
SHA1

ac65a1879617ce788e71286209cf726ba785f5ca
SHA256

a8c59abed8d4a8dd3e5caec2b1b8632d43941ce962039991aaa2feb1be61267d
SHA512

d7941bfd72c6889a86f37ba7deebc455111b979cdb6220dc0d7ca359d4a32f9645441609bb428d71395b81197fc22e9e26139c53f6954711dbcbe9f93def6035
SSDEEP

6144:s/g/J/4Qk2vz3AW1n6TF5gcueFwgOCzQ7UffswixccY/nDy9ixs55WSyj+hg:s/g/J/4hOO5hFwtgFixc/dxi5Iq

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2660	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	oeioak.exe

Loads dropped DLL 3 IoCs

pid	Process
2660	cmd.exe
2660	cmd.exe
2860	oeioak.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2772	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2096	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe
2860	oeioak.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2660	2516	97ac68d72812a7b31de91271f428518f.exe	28
PID 2516 wrote to memory of 2660	2516	97ac68d72812a7b31de91271f428518f.exe	28
PID 2516 wrote to memory of 2660	2516	97ac68d72812a7b31de91271f428518f.exe	28
PID 2516 wrote to memory of 2660	2516	97ac68d72812a7b31de91271f428518f.exe	28
PID 2660 wrote to memory of 2772	2660	cmd.exe	30
PID 2660 wrote to memory of 2772	2660	cmd.exe	30
PID 2660 wrote to memory of 2772	2660	cmd.exe	30
PID 2660 wrote to memory of 2772	2660	cmd.exe	30
PID 2660 wrote to memory of 2096	2660	cmd.exe	32
PID 2660 wrote to memory of 2096	2660	cmd.exe	32
PID 2660 wrote to memory of 2096	2660	cmd.exe	32
PID 2660 wrote to memory of 2096	2660	cmd.exe	32
PID 2660 wrote to memory of 2860	2660	cmd.exe	33
PID 2660 wrote to memory of 2860	2660	cmd.exe	33
PID 2660 wrote to memory of 2860	2660	cmd.exe	33
PID 2660 wrote to memory of 2860	2660	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\97ac68d72812a7b31de91271f428518f.exe
"C:\Users\Admin\AppData\Local\Temp\97ac68d72812a7b31de91271f428518f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2516 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\97ac68d72812a7b31de91271f428518f.exe" & start C:\Users\Admin\AppData\Local\oeioak.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2516
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2772
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2096
- - C:\Users\Admin\AppData\Local\oeioak.exe
    C:\Users\Admin\AppData\Local\oeioak.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\oeioak.exe

Filesize
329KB

MD5
97ac68d72812a7b31de91271f428518f

SHA1
ac65a1879617ce788e71286209cf726ba785f5ca

SHA256
a8c59abed8d4a8dd3e5caec2b1b8632d43941ce962039991aaa2feb1be61267d

SHA512
d7941bfd72c6889a86f37ba7deebc455111b979cdb6220dc0d7ca359d4a32f9645441609bb428d71395b81197fc22e9e26139c53f6954711dbcbe9f93def6035

Download Submit
memory/2516-1-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2516-0-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2516-2-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2516-3-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2516-4-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2516-5-0x0000000000250000-0x0000000000252000-memory.dmp

Filesize
8KB

Download
memory/2516-7-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-17-0x00000000002A0000-0x00000000002A2000-memory.dmp

Filesize
8KB

Download
memory/2860-13-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-14-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-15-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-18-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-19-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-20-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2860-21-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-22-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-23-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-24-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-25-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2860-26-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download