77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68

Analysis

max time kernel
230s
max time network
333s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 22:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe
Size

88KB
MD5

a39d7885a4470aed610b9d71e9b65550
SHA1

a5ba8e7e902f12cbb44940f1fd264da3b72828b6
SHA256

77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68
SHA512

88bd82acf942c5de8bc58386853af518b2a8455fb357da624d990f3407a34ddcf654ea0b3b1c1580878ce84a15cbb159271d88ae4b1df5ec7f6cbed527c2d045
SSDEEP

1536:T+D0pu7Sy3F2dXd+H6p5eQrkO93P18JOFrxFu:1By3F2dXd9pEQrDNN8JOFrv

Score

6^/10

Malware Config

Signatures

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1784	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1352	77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 540	1352	77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe	30
PID 1352 wrote to memory of 540	1352	77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe	30
PID 1352 wrote to memory of 540	1352	77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe	30
PID 1352 wrote to memory of 540	1352	77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe	30
PID 540 wrote to memory of 1784	540	cmd.exe	32
PID 540 wrote to memory of 1784	540	cmd.exe	32
PID 540 wrote to memory of 1784	540	cmd.exe	32
PID 540 wrote to memory of 1784	540	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe
"C:\Users\Admin\AppData\Local\Temp\77ff10e8c1e70a7fe7eea77dc057ec6702a1f45cc95d9069c5a4e9440f07fa68.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 77ff10e8c1e70a7fe7eea77dc057ec6702
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:540
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1352-56-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download