37f9ef58121be8aea583bce2112f5192bbff22aa3eda063f1978626bc42d6177

Analysis

max time kernel
140s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 05:15

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General

Target

uninst.exe
Size

502KB
MD5

1a0d8ba35bc0f7f3e81dbd33738f1e6a
SHA1

3f0fcf39f70df52a00f4fc31473f046650dba410
SHA256

992a4624a43642d6cd22350aaf229957cb98d02f5bfc084011586611d4f8552c
SHA512

e802b007ea4018423dd4c412d6ed9895cb35b78477a3b8638bbad3a86b7116575ef1d2f054101bd07f191b34de9314d40730e91426f06191b67abb3fd7f89acc
SSDEEP

12288:ZoOiHJ6Lmb2+/GaBfnpkIDo3i9Yuq0MPeq0i7+ASRJ6B:ZoDk+ZZnpktYiXSR0B

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2660	Un_A.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral8/files/0x0007000000023412-4.dat	nsis_installer_1
behavioral8/files/0x0007000000023412-4.dat	nsis_installer_2

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
768	MiniClient.exe
768	MiniClient.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 2660	5092	uninst.exe	84
PID 5092 wrote to memory of 2660	5092	uninst.exe	84
PID 5092 wrote to memory of 2660	5092	uninst.exe	84
PID 2660 wrote to memory of 768	2660	Un_A.exe	85
PID 2660 wrote to memory of 768	2660	Un_A.exe	85
PID 2660 wrote to memory of 768	2660	Un_A.exe	85

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\Users\Admin\AppData\Local\Temp\MiniClient.exe
    "C:\Users\Admin\AppData\Local\Temp\MiniClient.exe" -xiezai
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:768

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
502KB

MD5
1a0d8ba35bc0f7f3e81dbd33738f1e6a

SHA1
3f0fcf39f70df52a00f4fc31473f046650dba410

SHA256
992a4624a43642d6cd22350aaf229957cb98d02f5bfc084011586611d4f8552c

SHA512
e802b007ea4018423dd4c412d6ed9895cb35b78477a3b8638bbad3a86b7116575ef1d2f054101bd07f191b34de9314d40730e91426f06191b67abb3fd7f89acc

Download Submit
memory/768-9-0x0000000062E80000-0x0000000062EA2000-memory.dmp

Filesize
136KB

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