27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084

General

Target

27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
Size

187KB
MD5

6ba6d3854f3dadc156b72d8c553fef1b
SHA1

d792f860a3b0443be5971d050a5cd0e1c3392d7f
SHA256

27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084
SHA512

0f8ca4ea7b2572564812d9dcce748710464d6e8e93c4999b5c4a7eae4bbee77b45c4c00c16f2a233399dee98ba75cac85328de0866fcbd9fc084bb2431cbd6d9
SSDEEP

3072:9pzRNYuluupWyvbOijh7UAoaI52pySvl3nW0CWcscGF8ZHmt4q1caaaunz:9ZRvupm9UX5WflXW5Wc88wGta8

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/2140-132-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/2140-133-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/2140-135-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/2140-136-0x0000000010000000-0x000000001004C000-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	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\nsinet.exe	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File opened for modification	C:\Windows\SysWOW64\nsinet.exe	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Instant Access\Multi\20100209200249\medias\button4.gif	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100209200249\medias\button3.gif	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100209200249\medias\2460_dialer.ico	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100209200249\instant access.exe	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\Center\VizitUs.lnk	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100209200249\Common\module.php	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100209200249\medias\button1.gif	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100209200249\dialerexe.ini	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\VizitUs.lnk	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\VizitUs.lnk	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100209200249\medias\button2.gif	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100209200249\js\js_api_dialer.php	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\dialexe.zl	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Windows\dialexe.epk	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
File created	C:\Windows\dialerexe.ini	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.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}	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}\LocalServer32	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}\LocalServer32\ = "C:\\Windows\\SysWow64\\nsinet.exe /run"	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2140	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
2140	27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe

C:\Users\Admin\AppData\Local\Temp\27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.exe
"C:\Users\Admin\AppData\Local\Temp\27aeb476cf18a9892e88689bbdf0239146d1101f7937aecb9b20545e30de3084.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:2140

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3576

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/2140-132-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2140-133-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2140-134-0x0000000000400000-0x0000000000443908-memory.dmp

Filesize
270KB

Download
memory/2140-135-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2140-136-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing