920ee4d6e16da14af70de3df554004024590cd31ac4b57c5338761b7838b3291

Resubmissions

02/02/2024, 15:59

240202-te4t8scbdp 10

02/02/2024, 15:54

240202-tcesbscahk 10

Analysis

max time kernel
1112s
max time network
1161s
platform
windows10-1703_x64
resource
win10-20231220-en
resource tags

arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system
submitted
02/02/2024, 15:54

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General

Target

ServerCertificate.p12
Size

4KB
MD5

418f1581b100eb66e1967268a9f7555a
SHA1

6e8e56b742169584aecbecb522b42bc7a23d3d88
SHA256

dedaf20b5caeb58a343c5fc0ca54fdc2756c3aec015c00891458db5848588881
SHA512

04ba029524ea957a887597dd9182978f3ee4631dc577df77bcaedf74f67ae3c249a4cfb5994b8da7b14e60f33e9b1dafcff10e9e03527257297988a128791dc7
SSDEEP

96:RbDsMOTjWjKgdW17VuZe9nQPSusBxpyXSHA91LBj:dYrjPgdWPKkHnyXSg9Hj

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\certmgr.msc	mmc.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	32	mmc.exe
Token: SeIncBasePriorityPrivilege	32	mmc.exe
Token: 33	32	mmc.exe
Token: SeIncBasePriorityPrivilege	32	mmc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
32	mmc.exe
32	mmc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 32	3548	rundll32.exe	74
PID 3548 wrote to memory of 32	3548	rundll32.exe	74

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe cryptext.dll,CryptExtOpenPFX C:\Users\Admin\AppData\Local\Temp\ServerCertificate.p12
1⤵
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Windows\System32\mmc.exe
  "C:\Windows\System32\mmc.exe" C:\Windows\system32\certmgr.msc /certmgr:FileName="C:\Users\Admin\AppData\Local\Temp\ServerCertificate.p12"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:32

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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