1d85c77ca084345fb0746d17b71c2da66cbd7b87c8c385b05ca205525d058dd8

Analysis

max time kernel
114s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 05:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Uninstall.exe
Size

66KB
MD5

86545cc1d7a3fb9fbb64c892a680b52e
SHA1

886126e346fff55cd4f5fed002808bc8a686d8ff
SHA256

4467f1b1c277eb2019e67372b6ef4cfb3dfbae812f82c3fd111f11a92a9c8ba2
SHA512

778691da163c66ff516c633668d1a861af7dd7bb02701d31d0885ea0e009a6744f724df59c0524ef04c2faaac55091d5e0de68acb79ad8489a3d4922d1dd84db
SSDEEP

1536:XKe0DnjRrJav2FnUIRr2vMYBJvqAELVigvHhn1bi+v/5Qmdm:XGD11a8YBJSAI0Q1bmOm

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3800	A~NSISu_.exe

Loads dropped DLL 1 IoCs

pid	Process
3800	A~NSISu_.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	A~NSISu_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral14/files/0x000a000000023631-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 3800	4444	Uninstall.exe	90
PID 4444 wrote to memory of 3800	4444	Uninstall.exe	90
PID 4444 wrote to memory of 3800	4444	Uninstall.exe	90

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4444
- C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe
  "C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3800

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
1⤵
PID:512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe

Filesize
66KB

MD5
86545cc1d7a3fb9fbb64c892a680b52e

SHA1
886126e346fff55cd4f5fed002808bc8a686d8ff

SHA256
4467f1b1c277eb2019e67372b6ef4cfb3dfbae812f82c3fd111f11a92a9c8ba2

SHA512
778691da163c66ff516c633668d1a861af7dd7bb02701d31d0885ea0e009a6744f724df59c0524ef04c2faaac55091d5e0de68acb79ad8489a3d4922d1dd84db

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsp510A.tmp\InstallOptions.dll

Filesize
12KB

MD5
4c7d97d0786ff08b20d0e8315b5fc3cb

SHA1
bb6f475e867b2bf55e4cd214bd4ef68e26d70f6c

SHA256
75e20f4c5eb00e9e5cb610273023e9d2c36392fa3b664c264b736c7cc2d1ac84

SHA512
f37093fd5cdda74d8f7376c60a05b442f884e9d370347c7c39d84eca88f23fbea6221da2e57197acd78c817a74703c49fb28b89d41c3e34817cc9301b0b6485a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsp510A.tmp\ioSpecial.ini

Filesize
610B

MD5
07072da3b796e03e8766b52b0ddc433f

SHA1
7a666bf3070c8b312f2f4ac004d656a47a5b9fb9

SHA256
8fee907fb8e66bf32069123067292bed60a6c8a1942df9f3a79d7bfc89d6a86f

SHA512
44a5d7586d70c727d023e47eb6c8c953fe552a3c1234f023b6e6ce19e726afcfc61f95fcd900acc49e2810a250637430d7137a1c77326eb7d9484d2c76f3bb84

Download Submit