37f9ef58121be8aea583bce2112f5192bbff22aa3eda063f1978626bc42d6177

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-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
2420	Un_A.exe

Loads dropped DLL 1 IoCs

pid	Process
2396	uninst.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
behavioral7/files/0x0005000000019437-2.dat	nsis_installer_1
behavioral7/files/0x0005000000019437-2.dat	nsis_installer_2

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3036	MiniClient.exe
3036	MiniClient.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2420	2396	uninst.exe	28
PID 2396 wrote to memory of 2420	2396	uninst.exe	28
PID 2396 wrote to memory of 2420	2396	uninst.exe	28
PID 2396 wrote to memory of 2420	2396	uninst.exe	28
PID 2420 wrote to memory of 3036	2420	Un_A.exe	29
PID 2420 wrote to memory of 3036	2420	Un_A.exe	29
PID 2420 wrote to memory of 3036	2420	Un_A.exe	29
PID 2420 wrote to memory of 3036	2420	Un_A.exe	29

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2396
- 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:2420
- - C:\Users\Admin\AppData\Local\Temp\MiniClient.exe
    "C:\Users\Admin\AppData\Local\Temp\MiniClient.exe" -xiezai
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:3036

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

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

Filesize
502KB

MD5
1a0d8ba35bc0f7f3e81dbd33738f1e6a

SHA1
3f0fcf39f70df52a00f4fc31473f046650dba410

SHA256
992a4624a43642d6cd22350aaf229957cb98d02f5bfc084011586611d4f8552c

SHA512
e802b007ea4018423dd4c412d6ed9895cb35b78477a3b8638bbad3a86b7116575ef1d2f054101bd07f191b34de9314d40730e91426f06191b67abb3fd7f89acc

Download Submit
memory/3036-11-0x0000000062E80000-0x0000000062EA2000-memory.dmp

Filesize
136KB

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