8d87897242b12a5327ce2f4d6b5087a9a7c6071722c34e849b95730d6b7c1134

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/07/2024, 20:34

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General

Target

system/IpDrv.dll
Size

480KB
MD5

4dcd3f45a05b962b458b13969c5f906b
SHA1

decf92878fefb16636a66fe2606153eae03a8538
SHA256

32d65382123b5c33f21de3b7a85ff5b2777394224eda6aacbcc7a7d3581682ef
SHA512

0b2ed6663b47d874e09b410b57b31fc7272d739e94144f9e6a69f12c323ea06af685990bee797bcf15ddf33f9716ce16703e07f4a3fe60defc15062760958dca
SSDEEP

6144:X2iBNXN9cA22sPobXKACsY1UayLQ2SC0z50GCqAumC7:miBpN9cA22sPobXhCOayLozSC7

Score

7^/10

evasion themida

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Wine	rundll32.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral13/memory/2192-5-0x0000000001F90000-0x0000000003C93000-memory.dmp	themida
behavioral13/memory/2192-11-0x0000000001F90000-0x0000000003C93000-memory.dmp	themida

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2672	2192	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2192	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2192	1956	rundll32.exe	28
PID 1956 wrote to memory of 2192	1956	rundll32.exe	28
PID 1956 wrote to memory of 2192	1956	rundll32.exe	28
PID 1956 wrote to memory of 2192	1956	rundll32.exe	28
PID 1956 wrote to memory of 2192	1956	rundll32.exe	28
PID 1956 wrote to memory of 2192	1956	rundll32.exe	28
PID 1956 wrote to memory of 2192	1956	rundll32.exe	28
PID 2192 wrote to memory of 2672	2192	rundll32.exe	29
PID 2192 wrote to memory of 2672	2192	rundll32.exe	29
PID 2192 wrote to memory of 2672	2192	rundll32.exe	29
PID 2192 wrote to memory of 2672	2192	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\system\IpDrv.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\system\IpDrv.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 416
    3⤵
    - Program crash
    PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2192-0-0x00000000001B0000-0x00000000001BF000-memory.dmp

Filesize
60KB

Download
memory/2192-1-0x0000000000210000-0x000000000024F000-memory.dmp

Filesize
252KB

Download
memory/2192-3-0x00000000048C0000-0x00000000048FB000-memory.dmp

Filesize
236KB

Download
memory/2192-5-0x0000000001F90000-0x0000000003C93000-memory.dmp

Filesize
29.0MB

Download
memory/2192-6-0x0000000003E50000-0x0000000003F48000-memory.dmp

Filesize
992KB

Download
memory/2192-8-0x00000000007C0000-0x00000000007C2000-memory.dmp

Filesize
8KB

Download
memory/2192-9-0x0000000001F91000-0x0000000003A29000-memory.dmp

Filesize
26.6MB

Download
memory/2192-7-0x0000000004010000-0x0000000004012000-memory.dmp

Filesize
8KB

Download
memory/2192-10-0x00000000006A0000-0x00000000006AE000-memory.dmp

Filesize
56KB

Download
memory/2192-11-0x0000000001F90000-0x0000000003C93000-memory.dmp

Filesize
29.0MB

Download