545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5

Analysis

max time kernel
46s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
21/10/2022, 02:37

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General

Target

545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe
Size

93KB
MD5

58554e6adedb762a563352da479d7960
SHA1

7b656456dfec5ee8459142aff3358dd9748bf4cd
SHA256

545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5
SHA512

81db4bae71a4c73538624ecdbba20c98bb56ed91622bc1a4f4188ea30b1019244aad730715c0ef13c7b5b28c5212499f5ed12289ef078da390b3280462ba816b
SSDEEP

768:tA8LQP0+IEZJ0z6GbKpTvK4P6ZV03sf/+zj2Oi5X54n7CcVsDWd3vNJdIEO83HKV:tOhIEA2pTy43sfU7CcVVOiZ

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1756	cmd.exe

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	545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.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
596	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	596	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1308	545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 1756	1308	545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe	29
PID 1308 wrote to memory of 1756	1308	545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe	29
PID 1308 wrote to memory of 1756	1308	545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe	29
PID 1308 wrote to memory of 1756	1308	545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe	29
PID 1756 wrote to memory of 596	1756	cmd.exe	31
PID 1756 wrote to memory of 596	1756	cmd.exe	31
PID 1756 wrote to memory of 596	1756	cmd.exe	31
PID 1756 wrote to memory of 596	1756	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe
"C:\Users\Admin\AppData\Local\Temp\545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 545fb939f933c824c756db84a5ce8a12c41fbaffef010ca415d74c4130ca9ef5.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:596

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

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Downloads

memory/1308-56-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1308-57-0x00000000034E0000-0x0000000003F9A000-memory.dmp

Filesize
10.7MB

Download