49945b5eb3f80e6bb9dba81c6c6f643245bb0831ce2f6e5abf4db12ab6709b76

max time kernel
497s
max time network
435s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
10-07-2024 03:26

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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/2744-1-0x0000000000770000-0x000000000098E000-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-1-5-21-126710838-2490174220-686410903-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	iplookup.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4752	MiniSearchHost.exe

C:\Users\Admin\AppData\Local\Temp\iplookup.exe
"C:\Users\Admin\AppData\Local\Temp\iplookup.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2744

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:4752

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
2b38ebcf2148207d5409435c37baa91f

SHA1
87fe72e51fb68082049a3233e6184f15ae69a81a

SHA256
07bb1c37aa8388d6f7b9e5a4f1a88e453d633d40f3cdb7fc2bb2a9b6b3f200c4

SHA512
37b2c8ca0ffd135e99d5248b4159cab2dcc5e41bf46cf7f40e0da2c57c66f7f4ee0ca863df5f545ad9ddee5dabe7fb63d699168236212a03f2551f1c629ebcf6

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

Filesize
10KB

MD5
bb113d69bea68c5a9046bfda75f49014

SHA1
2fde2908ad5b87d30e328db6cd5093d9b5bf7bfd

SHA256
2ef8d715453a9ef0899735a31e90dd03f19995712345987eab124ff7b7b251ac

SHA512
19773fc35aed35898fa66e67de1e179867bad7620653fccc67c9f7dc76ff728f812c21558d3c8292e3bc4a65541264d3375d0e663c016aa69128204c60908408

Download Submit
memory/2744-6-0x0000000005610000-0x000000000561A000-memory.dmp

Filesize
40KB

Download
memory/2744-3-0x0000000005540000-0x00000000055D2000-memory.dmp

Filesize
584KB

Download
memory/2744-4-0x0000000074380000-0x0000000074B31000-memory.dmp

Filesize
7.7MB

Download
memory/2744-5-0x0000000074380000-0x0000000074B31000-memory.dmp

Filesize
7.7MB

Download
memory/2744-0-0x000000007438E000-0x000000007438F000-memory.dmp

Filesize
4KB

Download
memory/2744-7-0x0000000074380000-0x0000000074B31000-memory.dmp

Filesize
7.7MB

Download
memory/2744-8-0x000000007438E000-0x000000007438F000-memory.dmp

Filesize
4KB

Download
memory/2744-9-0x0000000074380000-0x0000000074B31000-memory.dmp

Filesize
7.7MB

Download
memory/2744-10-0x0000000074380000-0x0000000074B31000-memory.dmp

Filesize
7.7MB

Download
memory/2744-11-0x0000000009BA0000-0x0000000009BC2000-memory.dmp

Filesize
136KB

Download
memory/2744-12-0x0000000009BE0000-0x0000000009F37000-memory.dmp

Filesize
3.3MB

Download
memory/2744-2-0x0000000005C20000-0x00000000061C6000-memory.dmp

Filesize
5.6MB

Download
memory/2744-1-0x0000000000770000-0x000000000098E000-memory.dmp

Filesize
2.1MB

Download

Resubmissions

Analysis