a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a

Analysis

max time kernel
117s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 03:04

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General

Target

a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe
Size

624KB
MD5

f08d6545c74d5a429d8225885b81f55a
SHA1

f95b76f2d791105cd9c942c704fbf223d27892ad
SHA256

a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a
SHA512

325f87497a9994b4213eb14bde7e62aa586644a6eba0ef3323a095e4f1d4f43547e6f1363079df165a2c2ec39853ce22d4617eaa05676bd61ec745d852e92fc6
SSDEEP

12288:B/tGh4HqBbV0/tQv6o1xMKZoRmpfSJ9OI1rbIAPxEq:BQhW9/66mMK2kpaJdbpPxX

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2648	powershell.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\steamtight.ini	a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\solubilizes.ded	a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2648	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2648	1860	a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe	29
PID 1860 wrote to memory of 2648	1860	a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe	29
PID 1860 wrote to memory of 2648	1860	a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe	29
PID 1860 wrote to memory of 2648	1860	a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe	29

C:\Users\Admin\AppData\Local\Temp\a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe
"C:\Users\Admin\AppData\Local\Temp\a3c3fcc02a6ad19d388304f15f2b9661f46a24c2151e9e725db514e8a69c8f6a.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Phthalic=Get-Content -raw 'C:\Users\Admin\AppData\Local\dockers\fabriksguvlet\Crystalizer.Syn';$Medialises=$Phthalic.SubString(54841,3);.$Medialises($Phthalic)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/2648-13-0x00000000743C1000-0x00000000743C2000-memory.dmp

Filesize
4KB

Download
memory/2648-14-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2648-15-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2648-16-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2648-17-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2648-18-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download