49945b5eb3f80e6bb9dba81c6c6f643245bb0831ce2f6e5abf4db12ab6709b76

max time kernel
152s
max time network
155s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
21-07-2024 05:34

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General

Target

iplookup.exe
Size

2.1MB
MD5

cb4903c1c4f23b021905da634c002f04
SHA1

c2ccf3a1e5037c6e540b94a59e2c367ba8cd9090
SHA256

49945b5eb3f80e6bb9dba81c6c6f643245bb0831ce2f6e5abf4db12ab6709b76
SHA512

7f632331ba7f2fdd3c76f7f158a1cd6e79be796f2dc9f9149b7a071bb77b35fc4f0c6f189a8179eaf4947533513a3f926c879c50c8cf6cb13abdd424113f48fa
SSDEEP

49152:PFkR/VWoA1QfIBoq2Pkbu5Gk6hQW/3f2V1mPzidqz/CIaB2w:NkR/VMCGvj/vYkP9aB

Score

7^/10

Malware Config

Signatures

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/1912-1-0x0000000000670000-0x000000000088E000-memory.dmp	net_reactor

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3866437728-1832012455-4133739663-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1912	iplookup.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1320	MiniSearchHost.exe

C:\Users\Admin\AppData\Local\Temp\iplookup.exe
"C:\Users\Admin\AppData\Local\Temp\iplookup.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1912

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1320

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
aa1db56ffcb4b44e29bae43c70e6f3c6

SHA1
f057d9514a4da16a42028bb1ab1da42000ac2059

SHA256
b4d4b3bde87559d205c05d5d8d3b79940972bc823a9e40464d7e76e38348b175

SHA512
9ade68a2e0c2184c7ba4d68fa1eef20f809119bf7ed46bb81ef6209c2d9ae874c5c3dd9533eeac43c6fd5ffcedd1d601dd5b91bef824f22fdd956b9cb96920c9

Download Submit
memory/1912-3-0x0000000074D60000-0x0000000075511000-memory.dmp

Filesize
7.7MB

Download
memory/1912-2-0x0000000005A80000-0x0000000006026000-memory.dmp

Filesize
5.6MB

Download
memory/1912-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/1912-4-0x00000000053D0000-0x0000000005462000-memory.dmp

Filesize
584KB

Download
memory/1912-5-0x0000000074D60000-0x0000000075511000-memory.dmp

Filesize
7.7MB

Download
memory/1912-1-0x0000000000670000-0x000000000088E000-memory.dmp

Filesize
2.1MB

Download
memory/1912-14-0x0000000005490000-0x000000000549A000-memory.dmp

Filesize
40KB

Download
memory/1912-15-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/1912-16-0x0000000074D60000-0x0000000075511000-memory.dmp

Filesize
7.7MB

Download
memory/1912-17-0x0000000009AA0000-0x0000000009AC2000-memory.dmp

Filesize
136KB

Download
memory/1912-18-0x0000000009AE0000-0x0000000009E37000-memory.dmp

Filesize
3.3MB

Download
memory/1912-19-0x0000000074D60000-0x0000000075511000-memory.dmp

Filesize
7.7MB

Download

Resubmissions

Analysis