e68b61dbc2fa9d40a8ec334f7b0b19f3eb626cca746b8df3a34e8cd80b64b68e

Analysis

max time kernel
12s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 17:51

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General

Target

神机妙算钢筋抽样软件最新版本-V9.39/sjms1.dll
Size

746KB
MD5

886f45fd0d9af230134acc3d84584560
SHA1

e6847afdba306791d92a857874c35ffe37259816
SHA256

75b7707d46b8e06855d1ef0ad845bad6205ecb55cb159277ead36cf4a347a816
SHA512

5e40c96017df644777a37eee923249dfcb3ed5bda24795acacb73bd98fda841465a6fe098c3d166863cca5659f2182048ecc82e73bb2c8dd222daa52d59b849c
SSDEEP

12288:3Il5HghGaU6gk4hJYOCQbE8KhxXA3+bGXjTf9Gz+hpvrYczOwZhzhQUwEB4INXz:3IlahGT6gfIIbENXJbGTzsz+hlsCZzQ7

Score

7^/10

discovery vmprotect

Malware Config

Signatures

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral5/memory/2600-0-0x0000000010000000-0x0000000010178000-memory.dmp	vmprotect
behavioral5/memory/2600-2-0x0000000010000000-0x0000000010178000-memory.dmp	vmprotect
behavioral5/memory/2600-1-0x0000000010000000-0x0000000010178000-memory.dmp	vmprotect

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2600	2340	rundll32.exe	29
PID 2340 wrote to memory of 2600	2340	rundll32.exe	29
PID 2340 wrote to memory of 2600	2340	rundll32.exe	29
PID 2340 wrote to memory of 2600	2340	rundll32.exe	29
PID 2340 wrote to memory of 2600	2340	rundll32.exe	29
PID 2340 wrote to memory of 2600	2340	rundll32.exe	29
PID 2340 wrote to memory of 2600	2340	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\神机妙算钢筋抽样软件最新版本-V9.39\sjms1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\神机妙算钢筋抽样软件最新版本-V9.39\sjms1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2600-0-0x0000000010000000-0x0000000010178000-memory.dmp

Filesize
1.5MB

Download
memory/2600-2-0x0000000010000000-0x0000000010178000-memory.dmp

Filesize
1.5MB

Download
memory/2600-1-0x0000000010000000-0x0000000010178000-memory.dmp

Filesize
1.5MB

Download