aafd8d92a392bbf52675b7cb59a77d4999fe5d8d87d21e0d90a39650318bd9d7

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 02:20

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General

Target

b3296d0ddd32d07ae1d5b19649d547c7.exe
Size

121KB
MD5

b3296d0ddd32d07ae1d5b19649d547c7
SHA1

ab23fa32167675400562f454421b302ac46427ba
SHA256

aafd8d92a392bbf52675b7cb59a77d4999fe5d8d87d21e0d90a39650318bd9d7
SHA512

91c3a7ce756a889a99e21ca99042dfbf6c61ef3ea31730eb949ea702ec134f82e1f5cf1a107b980d9979202106722f2d85c431072718f3f3e7962bdb9687d335
SSDEEP

3072:MDafeNrRqXLaV1Zhf33FwY3cPGBAU9rcY8:jfKrRkq1f3FwYgyVr

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/0x0008000000023203-2.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
4852	b3296d0ddd32d07ae1d5b19649d547c7.exe
4852	b3296d0ddd32d07ae1d5b19649d547c7.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4852-0-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/4852-1-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/files/0x0008000000023203-2.dat	upx
behavioral2/memory/4852-4-0x0000000000540000-0x0000000000581000-memory.dmp	upx
behavioral2/memory/4852-5-0x0000000000540000-0x0000000000581000-memory.dmp	upx
behavioral2/memory/4852-6-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/4852-7-0x0000000000540000-0x0000000000581000-memory.dmp	upx
behavioral2/memory/4852-8-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/4852-9-0x0000000000540000-0x0000000000581000-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\{AB2777C5-1371-4C2D-8D4B-52D6347BC0B3}	b3296d0ddd32d07ae1d5b19649d547c7.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB2777C5-1371-4C2D-8D4B-52D6347BC0B3}	b3296d0ddd32d07ae1d5b19649d547c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB2777C5-1371-4C2D-8D4B-52D6347BC0B3}\InprocServer32\ = "C:\\Windows\\SysWow64\\amstrea.dll"	b3296d0ddd32d07ae1d5b19649d547c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB2777C5-1371-4C2D-8D4B-52D6347BC0B3}\InprocServer32\ThreadingModel = "apartment"	b3296d0ddd32d07ae1d5b19649d547c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB2777C5-1371-4C2D-8D4B-52D6347BC0B3}\InprocServer32	b3296d0ddd32d07ae1d5b19649d547c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	b3296d0ddd32d07ae1d5b19649d547c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	b3296d0ddd32d07ae1d5b19649d547c7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4852	b3296d0ddd32d07ae1d5b19649d547c7.exe
4852	b3296d0ddd32d07ae1d5b19649d547c7.exe

C:\Users\Admin\AppData\Local\Temp\b3296d0ddd32d07ae1d5b19649d547c7.exe
"C:\Users\Admin\AppData\Local\Temp\b3296d0ddd32d07ae1d5b19649d547c7.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:4852

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\amstrea.dll

Filesize
94KB

MD5
30bd698bc8f5f5eb30208aecdc397a42

SHA1
58b720eed9e72b5736bd7be21e30eb97edb2040f

SHA256
d191b62bba848e8508b855f436deef4e7e826326c817df15e1320e02d79ae05e

SHA512
a59dafb4c98d89d43a113692f5e0102e4e4ac8e230c8d8dfbfc738fea8c49fd297fc1066f15a239583f8f9f4df5bc5e19033d1293aaa9794804b7f3af3286311

Download Submit
memory/4852-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4852-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4852-4-0x0000000000540000-0x0000000000581000-memory.dmp

Filesize
260KB

Download
memory/4852-5-0x0000000000540000-0x0000000000581000-memory.dmp

Filesize
260KB

Download
memory/4852-6-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4852-7-0x0000000000540000-0x0000000000581000-memory.dmp

Filesize
260KB

Download
memory/4852-8-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4852-9-0x0000000000540000-0x0000000000581000-memory.dmp

Filesize
260KB

Download