27cc74d89f7c06b84a52e0d77251d7343dc2f4708c16ae4ffcef4e41ec656dfa

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
16-01-2024 10:30

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General

Target

5fabc724f1191428b447c86a23aa3092.dll
Size

299KB
MD5

5fabc724f1191428b447c86a23aa3092
SHA1

3857722c33cc2140225ac74884175f850c6ec295
SHA256

27cc74d89f7c06b84a52e0d77251d7343dc2f4708c16ae4ffcef4e41ec656dfa
SHA512

e4448d881bbd7112f899cc38ee7ef625b26f5ca349c9956b7f33c81a51a15f8aa917cdfd4704b7ec072acde7d4ef924897b993b7a022bdcba2fcdf34e0b6894c
SSDEEP

6144:rTW3YgVzMS73tzrVmSavGXQ+90sGjGms4+/NoNZra8dOJCUJ8eANlq:rTW3YmzMc3tzrVmLvGA5sGimst/NQ/Uv

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\rundll32.exe: $FILE	rundll32.exe
File opened for modification	C:\Windows\system32\rundll32.exe: $TASK	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2668	taskeng.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2124	2668	taskeng.exe	31
PID 2668 wrote to memory of 2124	2668	taskeng.exe	31
PID 2668 wrote to memory of 2124	2668	taskeng.exe	31

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5fabc724f1191428b447c86a23aa3092.dll,#1
1⤵
- Drops file in System32 directory
PID:2156

C:\Windows\system32\taskeng.exe
taskeng.exe {371C00A7-3B75-41FB-A457-E00C67BF001F} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\system32\rundll32.exe
  C:\Windows\system32\rundll32.exe -u
  2⤵
  PID:2124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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