923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b

Analysis

max time kernel
45s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 12:40

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General

Target

923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe
Size

1.7MB
MD5

02957189c74c10c3b5408bfb2be9a27a
SHA1

06f80e4963cd85ba2bc75032403f46dd9b50dad5
SHA256

923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b
SHA512

dec0da1b85cfeeb80269772b47caf87a230ff5152f912106a9cf2a3b3b89c70e86958660bc3ffa5cf308c8873104822e3c9190ef298c13dca30ff2ecb980a32b
SSDEEP

49152:gV0ah8iTZaqdwk0c05HGi2H2Jaq3y2m9Vdb:0008iYqdwkLcHHY

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	acprotect

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	upx
behavioral1/memory/960-56-0x0000000010000000-0x000000001003D000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe

pid process

960 923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Start Page	923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe

pid	process
960	923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe
960	923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe
960	923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe
960	923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe
960	923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe

C:\Users\Admin\AppData\Local\Temp\923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe
"C:\Users\Admin\AppData\Local\Temp\923e105facda1756aec03d3cf8cbd8c5e5b80012f39b532554091e54f509217b.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious use of SetWindowsHookEx
PID:960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\SkinH_EL.dll
Filesize
86KB

MD5
147127382e001f495d1842ee7a9e7912

SHA1
92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

SHA256
edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

SHA512
97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

Download Submit
memory/960-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/960-56-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download