657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1

Analysis

max time kernel
30s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 10:57

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General

Target

657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1.exe
Size

1.1MB
MD5

c0adbd5d7daeb6b1a856c5cc44cf6130
SHA1

c246bb2c106ea8e23eda8c02b68c49f24e1370fa
SHA256

657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1
SHA512

27e95fce290db55e03ca1f36a24b760632ddce29bd969293e15b22e599377d64be49be664945d6797f4606a10142b98a8626a9396dbd742a5eefa0658fa6ca0f
SSDEEP

24576:6dWzkAEIKdjz1xf/vivx6WipQwm5lYVD/iC1V4wa0jfpxu:3k7IKhzPwx6WGQn5MiCZjRk

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1752	ownfr.exe

Loads dropped DLL 1 IoCs

pid	Process
1896	657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1752	ownfr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1896	657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1.exe
Token: SeDebugPrivilege	1752	ownfr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 1752	1896	657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1.exe	28
PID 1896 wrote to memory of 1752	1896	657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1.exe	28
PID 1896 wrote to memory of 1752	1896	657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1.exe	28
PID 1896 wrote to memory of 1752	1896	657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1.exe	28

C:\Users\Admin\AppData\Local\Temp\657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1.exe
"C:\Users\Admin\AppData\Local\Temp\657fb8aa230d0a92bee74c05f8453b77ef005bf57a3cab0ff958026e813d28f1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Users\Admin\AppData\Local\Temp\ownfr.exe
  "C:\Users\Admin\AppData\Local\Temp\ownfr.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ownfr.exe

Filesize
529KB

MD5
7a2d83f2f1184128d5012520e042b053

SHA1
2c5145bbe4dd73eba7011d1d0c897b3739cfa333

SHA256
f2d88a8561f18cfe3fa3cd8e161e876fc6292a677ff25d14fcaeb345f7d257ad

SHA512
24571eca9f3a92d2dc7038d8583252946b080ab4ce926a6db3d0c7e76756912b58212480b45a02fbf92d3db072d5dfc2a267703dd9d337494fa516c4043e5b74

Download Submit
C:\Users\Admin\AppData\Local\Temp\ownfr.exe

Filesize
529KB

MD5
7a2d83f2f1184128d5012520e042b053

SHA1
2c5145bbe4dd73eba7011d1d0c897b3739cfa333

SHA256
f2d88a8561f18cfe3fa3cd8e161e876fc6292a677ff25d14fcaeb345f7d257ad

SHA512
24571eca9f3a92d2dc7038d8583252946b080ab4ce926a6db3d0c7e76756912b58212480b45a02fbf92d3db072d5dfc2a267703dd9d337494fa516c4043e5b74

Download Submit
\Users\Admin\AppData\Local\Temp\ownfr.exe

Filesize
529KB

MD5
7a2d83f2f1184128d5012520e042b053

SHA1
2c5145bbe4dd73eba7011d1d0c897b3739cfa333

SHA256
f2d88a8561f18cfe3fa3cd8e161e876fc6292a677ff25d14fcaeb345f7d257ad

SHA512
24571eca9f3a92d2dc7038d8583252946b080ab4ce926a6db3d0c7e76756912b58212480b45a02fbf92d3db072d5dfc2a267703dd9d337494fa516c4043e5b74

Download Submit
memory/1752-57-0x0000000000000000-mapping.dmp

Download
memory/1752-60-0x0000000000040000-0x00000000000CA000-memory.dmp

Filesize
552KB

Download
memory/1896-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1896-55-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/1896-61-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download