5de0393609d1bae5d9eaca2d6e7f0f717fff9b56138e8c7d44e66e2d38ac0939

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 10:02

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General

Target

Uninstall.exe
Size

47KB
MD5

b8d84a9ef202f915b17888cc3974f138
SHA1

f8765afa5ffaecdafad79d8d6715927bd01305d5
SHA256

d77f2f3f834306a9ac154beb54eb1208499e1d27ae5c56c17ceb47b931521bd8
SHA512

ed71dfba38238c6a5a9c2b7936f23a7b95994dcd41026d7564f6b23aaaa6c7f395bd2e3f64f2c9f0d845db36cc29d4f0a102b51c776e441535ae746289311d2c
SSDEEP

768:w1cVhpQI2EQK0iPDh84nScF15GYbWjXO3XJw7EcXVjpRNtU:uQpQ5EP0ijnRTXJw7E2U

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2284	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
1692	Uninstall.exe
2284	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
behavioral5/files/0x0005000000019520-2.dat	nsis_installer_1
behavioral5/files/0x0005000000019520-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2284	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2284	1692	Uninstall.exe	28
PID 1692 wrote to memory of 2284	1692	Uninstall.exe	28
PID 1692 wrote to memory of 2284	1692	Uninstall.exe	28
PID 1692 wrote to memory of 2284	1692	Uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1692
- 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⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2284

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\nst252F.tmp\ioSpecial.ini

Filesize
581B

MD5
79b4a862f1dec8ee6f0fa94148bc8d72

SHA1
1cf653fff1fb8d94121e7ae818f0eb3c8bd03213

SHA256
b8c8059d22c1ee0edcb1a981656bc90cc1173cb609921d4eed6b2524a56c02aa

SHA512
7b283be7fc4dc6e5923c02c1c86bcb94b09f4949dfdf0df79fbf1985b5fbb99b0a78701e463bf33a49d950c00f836d6a9c9228f2685fbb009705734b551ff631

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\Users\Admin\AppData\Local\Temp\nst252F.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

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\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
47KB

MD5
b8d84a9ef202f915b17888cc3974f138

SHA1
f8765afa5ffaecdafad79d8d6715927bd01305d5

SHA256
d77f2f3f834306a9ac154beb54eb1208499e1d27ae5c56c17ceb47b931521bd8

SHA512
ed71dfba38238c6a5a9c2b7936f23a7b95994dcd41026d7564f6b23aaaa6c7f395bd2e3f64f2c9f0d845db36cc29d4f0a102b51c776e441535ae746289311d2c

Download Submit