netwire | cdfd2505408b2c422e018011e64500a241f149654435a7cd0e4d674a733c5bd6

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/06/2026, 19:57

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General

Target
tmpdntxy43u.exe
Size 7.6MB
Sample260601-yprd4sev3x
SHA256 cdfd2505408b2c422e018011e64500a241f149654435a7cd0e4d674a733c5bd6
MD5 80f528588d5e84152ecf6e25b8dad4dd
SHA1 80947aee4243d752b9c187caf01b3d864b7474c7
SHA512 2e3ed889d636e45c52b65e8445dd6bf630f9117703cf98fcf95e6a129856d5c8b6bd0fa4f8812fe33eb52b8872194ff11222ffd9170e08c0f3d5934672aebcdc
SSDEEP 3072:QexSaR/D54T4ebgGZB8OOccgwM6G2Cgo5wUlkGkfCNrkdTOMJXIYOUHqlJN3Wpl:Qklr5kbg0B8VcnJcCg4jlkGp0T5i
TLSH
T1C9865FE1515AC0C3F2F68DF21BDE85B0B5F536ACE4C9611C60D4AB3991A27A810DE3F9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

botnet defense_evasion discovery netwire rat stealer

Malware Config

Extracted

Family

netwire

miikymouse1978.ooguy.com:5435

Attributes

activex_autorun
false
copy_executable
false
delete_original
false
host_id
myRattyVin
keylogger_dir
%AppData%\Logs\
lock_executable
false
mutex
glgSVnej
offline_keylogger
true
password
jamesnature
registry_autorun
false
use_mutex
true

Signatures

Family: Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire

NetWire RAT payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/5076-12-0x0000000000400000-0x000000000042C000-memory.dmp	netwire
behavioral3/memory/5076-167-0x0000000000400000-0x000000000042C000-memory.dmp	netwire
behavioral3/memory/5076-162-0x0000000000400000-0x000000000042C000-memory.dmp	netwire

Executes dropped EXE 1 IoCs

pid	Process
5076	svhost.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	tmpdntxy43u.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	tmpdntxy43u.exe

SmartAssembly .NET packer 1 IoCs

Detects SmartAssembly .NET packer.

resource	yara_rule
behavioral3/files/0x001800000002b753-7.dat	SmartAssembly

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5856 set thread context of 5076	5856	tmpdntxy43u.exe	83

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	tmpdntxy43u.exe
File created	C:\Windows\assembly\Desktop.ini	tmpdntxy43u.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	tmpdntxy43u.exe

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\mcromnvc\microndas.exe:Zone.Identifier	cmd.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
492	5076	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 6 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	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpdntxy43u.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1092	timeout.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\mcromnvc\microndas.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5856	tmpdntxy43u.exe
5856	tmpdntxy43u.exe
5856	tmpdntxy43u.exe
5856	tmpdntxy43u.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5856	tmpdntxy43u.exe
Token: 33	5856	tmpdntxy43u.exe
Token: SeIncBasePriorityPrivilege	5856	tmpdntxy43u.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5856 wrote to memory of 4916	5856	tmpdntxy43u.exe	80
PID 4916 wrote to memory of 5116	4916	cmd.exe	82
PID 5856 wrote to memory of 5076	5856	tmpdntxy43u.exe	83
PID 5856 wrote to memory of 5076	5856	tmpdntxy43u.exe	83
PID 5856 wrote to memory of 5076	5856	tmpdntxy43u.exe	83
PID 5856 wrote to memory of 5076	5856	tmpdntxy43u.exe	83
PID 5856 wrote to memory of 5076	5856	tmpdntxy43u.exe	83
PID 5856 wrote to memory of 5076	5856	tmpdntxy43u.exe	83
PID 5856 wrote to memory of 5076	5856	tmpdntxy43u.exe	83
PID 5856 wrote to memory of 4460	5856	tmpdntxy43u.exe	84
PID 4460 wrote to memory of 1092	4460	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\tmpdntxy43u.exe
"C:\Users\Admin\AppData\Local\Temp\tmpdntxy43u.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5856
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:4916
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\mcromnvc\microndas.exe.lnk" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5116
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 392
    3⤵
    - Program crash
    PID:492
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\mcromnvc\microndas.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 300
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5076 -ip 5076
1⤵
PID:1772

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

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

microndas.exe

Path C:\Users\Admin\AppData\Local\Temp\mcromnvc\microndas.exe
Size 7.6MB
SHA256 cdfd2505408b2c422e018011e64500a241f149654435a7cd0e4d674a733c5bd6
MD5 80f528588d5e84152ecf6e25b8dad4dd
SHA1 80947aee4243d752b9c187caf01b3d864b7474c7
SHA512 2e3ed889d636e45c52b65e8445dd6bf630f9117703cf98fcf95e6a129856d5c8b6bd0fa4f8812fe33eb52b8872194ff11222ffd9170e08c0f3d5934672aebcdc
SSDEEP 3072:QexSaR/D54T4ebgGZB8OOccgwM6G2Cgo5wUlkGkfCNrkdTOMJXIYOUHqlJN3Wpl:Qklr5kbg0B8VcnJcCg4jlkGp0T5i
TLSH
T1C9865FE1515AC0C3F2F68DF21BDE85B0B5F536ACE4C9611C60D4AB3991A27A810DE3F9
MD5 SHA1 SHA512 SSDEEP TLSH

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microndas.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\mcromnvc\microndas.exe.bat
Size 210B
SHA256 c07c617fbb20c3e37db0bdd1da5807396c63754ceae9937c946805f266c0405c
MD5 7308f4cb66944239f4b7e8f63b05da85
SHA1 add86175090f50f69fa977dcf2cb9fda0fd00f51
SHA512 04b1c403d5feb3ae2334fa507d675ec9922b3faabe403738faf6b15fd51502dbf185515f23f70decd8b55053fe30efae749be234998f1259def04493de427e2a
TLSH
T1F5D022169592C22BC1F531FB04F9360AABE208CA1C502EC00610C80CF3C304E33CE7A4
MD5 SHA1 SHA512 TLSH

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svhost.exe

Path C:\Users\Admin\AppData\Local\Temp\svhost.exe
Size 88KB
SHA256 f59845db516002663b53030a68d2c6261702e5970ac072f009231c358d86948f
MD5 479780dccfddb61956d4986ce6cbc9f2
SHA1 96aac3de7d3d825f5822259f44a01aa80f27df7e
SHA512 dc87ff7d501f2b60c2cc502b07819fb4484fb740697a54c47a80e1bc3ef68192195cf37724425cbfde7e66018dbff29fc45cd0839a6693ea3e271cc86a10694e
SSDEEP 1536:q96ZJwk1oO+huJs4HN0Auo7G+DKSOaPFMVO3GGvv9:hMFCHV1G+DKSOaPFIu9
TLSH
T1BD933A02ABEC4126F5BA4970A8385761963BF9937C22C30E38CC76581F76790EE71767
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/5076-12-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/5076-167-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/5076-162-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/5856-0-0x0000000074591000-0x0000000074592000-memory.dmp

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memory/5856-1-0x0000000074590000-0x0000000074B41000-memory.dmp

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memory/5856-2-0x0000000074590000-0x0000000074B41000-memory.dmp

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memory/5856-191-0x0000000074590000-0x0000000074B41000-memory.dmp

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