d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677

General

Target

d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
Size

174KB
MD5

6494c92f3b22bcc556a5e08db712e94e
SHA1

85cd958c64b588e39666f19e58a773eab484b606
SHA256

d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677
SHA512

53c9b07fa5bb10f946ff56cae677028663cdcc8905a4130a7dfc39cbf33ab7d2c114b86302a2190f9bb334be601ccf2dfd5da1fae4b79dea1a4eded2ed25f48c
SSDEEP

3072:7pzRNYuluupWyvbOijh7UAoaI52pySvl3nW0CWcscGF8ZHmt4qsQA:7ZRvupm9UX5WflXW5Wc88wGcA

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/3036-133-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/3036-134-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/3036-135-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/3036-136-0x0000000010000000-0x000000001004C000-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	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\nsinet.exe	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File opened for modification	C:\Windows\SysWOW64\nsinet.exe	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NoCreditCard.lnk	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File created	C:\Program Files (x86)\Instant Access\Center\NoCreditCard.lnk	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\NoCreditCard.lnk	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100314050305\Common\module.php	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100314050305\medias\dialer.ico	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100314050305\js\js_api_dialer.php	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100314050305\dialerexe.ini	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100314050305\instant access.exe	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\dialexe.zl	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File created	C:\Windows\dialexe.epk	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
File created	C:\Windows\dialerexe.ini	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.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 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\IESettingSync	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}\LocalServer32\ = "C:\\Windows\\SysWow64\\nsinet.exe /run"	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}\LocalServer32	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3036	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
3036	d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe

C:\Users\Admin\AppData\Local\Temp\d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe
"C:\Users\Admin\AppData\Local\Temp\d39f4bcda4ca64fccf0387e5aeb5ecb8533669e886cf9a8655a1bb3043043677.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3036

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:1420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3036-132-0x0000000000400000-0x0000000000443908-memory.dmp

Filesize
270KB

Download
memory/3036-133-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3036-134-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3036-135-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3036-136-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download

Analysis

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