d0f5829601cfccf94cd693c813f720b2c62a1d11a0c5de6e544a7cdac5251b18

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/07/2024, 05:52

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General

Target

uninst.exe
Size

56KB
MD5

53ffd81061af4da1ff0dbd2eb92cc84b
SHA1

78409e1bea3ec5749ca3e67036459e750fb9fd37
SHA256

fdaee457a4043502a3dce6edb60b9e91569d120d68367472139723f8b01c94b0
SHA512

fcbd7b4ee9574324bd6919d0fb0d3b8d88cbeb19c6f9ff71e8e23c59192fb3c8d1c2401747787d84deeff6ee3dee2df66a5d7b4d5212cdde822567c4e439b6c8
SSDEEP

1536:kYTmwVUsW7dtJMHy0DxmJwgu4D0LbANpHok:HS17XJiDxmJwvbAQk

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2128	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2128	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1620	uninst.exe
2128	Au_.exe
2128	Au_.exe
2128	Au_.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/0x0006000000018c31-2.dat	nsis_installer_1
behavioral7/files/0x0006000000018c31-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2128	1620	uninst.exe	30
PID 1620 wrote to memory of 2128	1620	uninst.exe	30
PID 1620 wrote to memory of 2128	1620	uninst.exe	30
PID 1620 wrote to memory of 2128	1620	uninst.exe	30
PID 1620 wrote to memory of 2128	1620	uninst.exe	30
PID 1620 wrote to memory of 2128	1620	uninst.exe	30
PID 1620 wrote to memory of 2128	1620	uninst.exe	30

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:1620
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2128

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\~nsu.tmp\Au_.exe

Filesize
56KB

MD5
53ffd81061af4da1ff0dbd2eb92cc84b

SHA1
78409e1bea3ec5749ca3e67036459e750fb9fd37

SHA256
fdaee457a4043502a3dce6edb60b9e91569d120d68367472139723f8b01c94b0

SHA512
fcbd7b4ee9574324bd6919d0fb0d3b8d88cbeb19c6f9ff71e8e23c59192fb3c8d1c2401747787d84deeff6ee3dee2df66a5d7b4d5212cdde822567c4e439b6c8

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