817f3e4dc2ffbb7751beb0d1230bc36fc44edeb6b78c201db71c0fa5c3771318

Analysis

max time kernel
148s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 11:48

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General

Target

1be717e23cdaf955f0e2e327379754bf.exe
Size

109KB
MD5

1be717e23cdaf955f0e2e327379754bf
SHA1

2e758253a847852ad83ee2f528313f268416f768
SHA256

817f3e4dc2ffbb7751beb0d1230bc36fc44edeb6b78c201db71c0fa5c3771318
SHA512

8accab82b6e2679b6e9a0b97322a3ac98c536413b891e4e235e70862cf5f5a40c128830d50d3e3dd57464f89cfa47f590bb60659efee9e17c8ff6aab524d4a5a
SSDEEP

3072:v0gntGj1RJdNgpJlGV/7oJN7j7+zOmgAtX2i9A8M:zntiFgpq6X7jlydp

Score

7^/10

adware stealer upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000700000002321e-6.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
3844	1be717e23cdaf955f0e2e327379754bf.exe
3844	1be717e23cdaf955f0e2e327379754bf.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3844-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/3844-1-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/3844-2-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/files/0x000700000002321e-6.dat	upx
behavioral2/memory/3844-9-0x00000000001C0000-0x00000000001FC000-memory.dmp	upx
behavioral2/memory/3844-12-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/3844-13-0x00000000001C0000-0x00000000001FC000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{EBF89BD2-9D06-406F-879F-8CCC82F4E117}	1be717e23cdaf955f0e2e327379754bf.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF89BD2-9D06-406F-879F-8CCC82F4E117}\InprocServer32	1be717e23cdaf955f0e2e327379754bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	1be717e23cdaf955f0e2e327379754bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	1be717e23cdaf955f0e2e327379754bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF89BD2-9D06-406F-879F-8CCC82F4E117}	1be717e23cdaf955f0e2e327379754bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF89BD2-9D06-406F-879F-8CCC82F4E117}\InprocServer32\ = "C:\\Windows\\SysWow64\\atlthun.dll"	1be717e23cdaf955f0e2e327379754bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF89BD2-9D06-406F-879F-8CCC82F4E117}\InprocServer32\ThreadingModel = "apartment"	1be717e23cdaf955f0e2e327379754bf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3844	1be717e23cdaf955f0e2e327379754bf.exe
3844	1be717e23cdaf955f0e2e327379754bf.exe

C:\Users\Admin\AppData\Local\Temp\1be717e23cdaf955f0e2e327379754bf.exe
"C:\Users\Admin\AppData\Local\Temp\1be717e23cdaf955f0e2e327379754bf.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\atlthun.dll

Filesize
86KB

MD5
d90fd90073d53175bd568b1dbdebbbf7

SHA1
86769a22dc0b0e7f6244248e87bd71695bf4dc2e

SHA256
81489f426a744e59d6f7d3ee7969b7e01df0f73efcd8676a4b82f788d4317408

SHA512
372a69316ed2a2419d2dd9f8200ae2d9c77fbae2493ecf5fc3a87302cf7b4cbf85fd9a7a37ed5c23aa9be79e56f0baced9280e0506bb1759fb038baa0138ccbe

Download Submit
memory/3844-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3844-1-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3844-2-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3844-9-0x00000000001C0000-0x00000000001FC000-memory.dmp

Filesize
240KB

Download
memory/3844-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3844-13-0x00000000001C0000-0x00000000001FC000-memory.dmp

Filesize
240KB

Download