142e18ff10fd279499f5c10f94175746e1eec5ef82b7dfbfde2b51a3c9e07a66

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 11:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ChangerSteamByOstrogV2/ChangerSteamByOstrog.dll
Size

14KB
MD5

d70a1f76186f5171fc9eb0c564aca078
SHA1

2347eb13fac9b3ab09cfe32e09497a3feccc2d28
SHA256

4b884c00d62b78b60eec7e99e98a4283504838c8bc83c5ef54186afd8374674f
SHA512

9bd280e9a37e0177463738e2e447043a20e24a22c8c4dd5bc83c22f53c31d29a3feafd10a808a97383704c618d7224c6bb6e52f60600db4c265b7f97a42bf10a
SSDEEP

384:3Wy69QW0gvujMnlrWroaNJawcudoD7Uy:3bWHuOZQnbcuyD7U

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2108-3-0x00000000001E0000-0x0000000000209000-memory.dmp	upx
behavioral1/memory/2108-2-0x00000000001E0000-0x0000000000209000-memory.dmp	upx
behavioral1/memory/2108-1-0x00000000001E0000-0x0000000000209000-memory.dmp	upx
behavioral1/memory/2108-0-0x00000000001E0000-0x0000000000209000-memory.dmp	upx
behavioral1/memory/2108-5-0x00000000001E0000-0x0000000000209000-memory.dmp	upx

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

Processes:

rundll32.exe

description ioc process

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

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2096 wrote to memory of 2108	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2108	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2108	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2108	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2108	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2108	2096	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2108	2096	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ChangerSteamByOstrogV2\ChangerSteamByOstrog.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ChangerSteamByOstrogV2\ChangerSteamByOstrog.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2108

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

Loading Replay Monitor...

Downloads

memory/2108-3-0x00000000001E0000-0x0000000000209000-memory.dmp

Filesize
164KB

Download
memory/2108-2-0x00000000001E0000-0x0000000000209000-memory.dmp

Filesize
164KB

Download
memory/2108-1-0x00000000001E0000-0x0000000000209000-memory.dmp

Filesize
164KB

Download
memory/2108-0-0x00000000001E0000-0x0000000000209000-memory.dmp

Filesize
164KB

Download
memory/2108-5-0x00000000001E0000-0x0000000000209000-memory.dmp

Filesize
164KB

Download