3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e

General

Target

3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
Size

195KB
MD5

bd2352457ccc0b4ca6584fede108ef62
SHA1

a906b69b66b47dd06553396f41327bab7af1126a
SHA256

3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e
SHA512

6ef173537e80f81547159c9a6877db4e33b9c8f4defc6369a897af32c582bd0605d8af56722f1a4a88f82e50f4efac55a6a1bce48f0ddf36c80654c5ca6d9810
SSDEEP

3072:1pzRNYuluupWyvbOijh7UAoaI52pySvl3nW0CWcscGF8ZHmt4q2/eNUp4s9D8:1ZRvupm9UX5WflXW5Wc88wG7p4s9D8

Score

8^/10

evasion trojan upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3760-132-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/3760-133-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/3760-135-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/3760-136-0x0000000010000000-0x000000001004C000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\nsinet.exe	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File opened for modification	C:\Windows\SysWOW64\nsinet.exe	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Instant Access\Multi\20091016131050\medias\button2.jpg	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091016131050\medias\dialer.ico	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091016131050\instant access.exe	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NoCreditCard.lnk	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\Center\NoCreditCard.lnk	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091016131050\Common\module.php	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091016131050\medias\button1.jpg	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091016131050\medias\button4.jpg	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091016131050\medias\button3.jpg	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091016131050\js\js_api_dialer.php	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091016131050\dialerexe.ini	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\NoCreditCard.lnk	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\dialexe.zl	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Windows\dialexe.epk	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
File created	C:\Windows\dialerexe.ini	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe

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

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}\LocalServer32	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}\LocalServer32\ = "C:\\Windows\\SysWow64\\nsinet.exe /run"	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3760	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
3760	3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe

C:\Users\Admin\AppData\Local\Temp\3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe
"C:\Users\Admin\AppData\Local\Temp\3b8cdb35d895d1c4c10b396622a59bf08b6990d7301678e5612bca88a2a9c16e.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3760

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3760-132-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3760-133-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3760-134-0x0000000000400000-0x0000000000443908-memory.dmp

Filesize
270KB

Download
memory/3760-135-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3760-136-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download

Analysis

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