ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 02:10

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General

Target

ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe
Size

426KB
MD5

76c9f492fb7a8f80ec783e727b9cd83d
SHA1

d29380e856c2855296bfbdc14de2aef98bf90c3d
SHA256

ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d
SHA512

927cec7b1d2a3414e58ff973aff0525cc79375e118449c9b3f62c0d02d82fe4c2e9d8a6ce446caf17ebc48674b377492be8845abcfaa7e597b3c32750783e393
SSDEEP

6144:NqC56ALcmpQFbVySc2pXKJv4Bsn4z6XCWtB/DWfFcCrESnJCd6DRptmr1QHPVTgo:KA9WL5c2pXK+yn4K/uSoESnXl+ZQOE

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
2748	powershell.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\o.pri	ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\Bitings235\restqfr.sta	ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe
File opened for modification	C:\Windows\resources\0409\vampirism\discomposed.ini	ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2748	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2748	2088	ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe	30
PID 2088 wrote to memory of 2748	2088	ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe	30
PID 2088 wrote to memory of 2748	2088	ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe	30
PID 2088 wrote to memory of 2748	2088	ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe	30

C:\Users\Admin\AppData\Local\Temp\ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe
"C:\Users\Admin\AppData\Local\Temp\ac5ace4225e767aa30c1a5d950826c2545887e07027bdba89f653583ca65441d.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden "$Nonprotraction=Get-Content -Raw 'C:\Users\Admin\AppData\Local\Temp\deciliteren\afstnings\Stenklver219.Int';$Helmuth=$Nonprotraction.SubString(747,3);.$Helmuth($Nonprotraction)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2748

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

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Downloads

memory/2748-8-0x0000000002820000-0x0000000002860000-memory.dmp

Filesize
256KB

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