9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c

Analysis

max time kernel
47s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
04/10/2022, 06:30

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General

Target

9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe
Size

73KB
MD5

57d60fb31b5f77924d6159a30745c530
SHA1

8e766a31c03da2b06b8b75a7b0f5678139860052
SHA256

9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c
SHA512

e3906751ce8480c486dc8773e3b156de98e9d3cf27d30b6fafe813713017fb9fa273c941d8df5622059134b2149188c20fef58e2c68a5843ad5e40cb42e68195
SSDEEP

768:Z9QcoE2/yOPIxCW0RboucH8ChKd5gEKq1O56BiSA8I1Dg9s92A27Odf3/0o2Zt0O:ZNof/nPIxCWrL10HIlus127ORP06ta

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
536	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	9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.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
1640	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1640	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1380	9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 536	1380	9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe	28
PID 1380 wrote to memory of 536	1380	9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe	28
PID 1380 wrote to memory of 536	1380	9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe	28
PID 1380 wrote to memory of 536	1380	9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe	28
PID 536 wrote to memory of 1640	536	cmd.exe	30
PID 536 wrote to memory of 1640	536	cmd.exe	30
PID 536 wrote to memory of 1640	536	cmd.exe	30
PID 536 wrote to memory of 1640	536	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe
"C:\Users\Admin\AppData\Local\Temp\9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 9ef66c2464d6da3246870b669aa0d1c56a3cb3a38874c3b5b1d57fbc6d0bba8c.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:536
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1640

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/1380-56-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

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memory/1380-57-0x0000000003390000-0x0000000003E4A000-memory.dmp

Filesize
10.7MB

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