f9bc3826335bcf6a03da3b8743c2bdcbc7747962786a83c90fd2b1d3c8b85353

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/03/2025, 15:01

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General

Target

71427E30168BE4926A10FE21DAE81C7A.exe
Size

490KB
MD5

71427e30168be4926a10fe21dae81c7a
SHA1

aee4f1bec725c899b9a9f03f93a18a1947b79995
SHA256

f9bc3826335bcf6a03da3b8743c2bdcbc7747962786a83c90fd2b1d3c8b85353
SHA512

489c8f52af9111dd1c732afdd9d249c644da06892495c6bacc2f0f76b3d0b0b491fd2b5371f9859b676b2ae6b42039d4cc630e102f5774d2be92a839e3498847
SSDEEP

12288:hd9jqKTPrjjpshfe+ZXP/51bt6YtRhp9S8Uy514LyYR27:zcK/5shfe+ZXZr7/hNU6OTR4

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
1636	powershell.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Understudying\ungrieve.ini	71427E30168BE4926A10FE21DAE81C7A.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	71427E30168BE4926A10FE21DAE81C7A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1636	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1636	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 1636	2344	71427E30168BE4926A10FE21DAE81C7A.exe	31
PID 2344 wrote to memory of 1636	2344	71427E30168BE4926A10FE21DAE81C7A.exe	31
PID 2344 wrote to memory of 1636	2344	71427E30168BE4926A10FE21DAE81C7A.exe	31
PID 2344 wrote to memory of 1636	2344	71427E30168BE4926A10FE21DAE81C7A.exe	31

C:\Users\Admin\AppData\Local\Temp\71427E30168BE4926A10FE21DAE81C7A.exe
"C:\Users\Admin\AppData\Local\Temp\71427E30168BE4926A10FE21DAE81C7A.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Dynastinae=GC -Raw 'C:\Users\Admin\AppData\Roaming\Mellemstykke\ferskvandsfisks\Wifiekie.Ove';$Tenders=$Dynastinae.SubString(53339,3);.$Tenders($Dynastinae)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1636

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/1636-9-0x0000000074351000-0x0000000074352000-memory.dmp

Filesize
4KB

Download
memory/1636-10-0x0000000074350000-0x00000000748FB000-memory.dmp

Filesize
5.7MB

Download
memory/1636-11-0x0000000074350000-0x00000000748FB000-memory.dmp

Filesize
5.7MB

Download
memory/1636-12-0x0000000074350000-0x00000000748FB000-memory.dmp

Filesize
5.7MB

Download
memory/1636-13-0x0000000074350000-0x00000000748FB000-memory.dmp

Filesize
5.7MB

Download
memory/1636-14-0x0000000074350000-0x00000000748FB000-memory.dmp

Filesize
5.7MB

Download