netwire | 7e084dcdb04c98da8d7f238b107056fa2ee936cfdf0486c89719c99f9a90220f

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
26/10/2023, 00:42

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General

Target
NEAS.fae6906ee3443b5c896927fd87be8ff0.exe
Size 790KB
Sample231026-a2vqasaa99
SHA256 7e084dcdb04c98da8d7f238b107056fa2ee936cfdf0486c89719c99f9a90220f
MD5 fae6906ee3443b5c896927fd87be8ff0
SHA1 67ed611bf411ebde3d33e14980e15fa44368f9d1
SHA512 7cc661b1e429553f5fe3f22359a4ab170cfbe40c54021852c751ab19d2563f69232d12888ea6e6faed7ef64e518ade1adf38cb688f51c6d556e9c3f74260c4c2
SSDEEP 24576:3BXY+ruBJ5antl8yYEcAwQ1nFN8LcGTsj:3OoneE90rk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

netwire botnet persistence rat stealer upx

Malware Config

Extracted

Family

netwire

155.94.198.169:9112

Attributes

activex_autorun
false
copy_executable
true
delete_original
false
host_id
Corona-Virus
install_path
%AppData%\Install\offiice365.exe
keylogger_dir
%AppData%\Logs\
lock_executable
false
offline_keylogger
true
password
Pounds
registry_autorun
true
startup_name
officeii365
use_mutex
false

Signatures

NetWire RAT payload 7 IoCs

rat

resource	yara_rule
behavioral2/files/0x0007000000022e51-3.dat	netwire
behavioral2/files/0x0007000000022e51-4.dat	netwire
behavioral2/files/0x0007000000022e57-7.dat	netwire
behavioral2/files/0x0007000000022e57-11.dat	netwire
behavioral2/files/0x0007000000022e57-12.dat	netwire
behavioral2/memory/3364-13-0x0000000000400000-0x0000000000430000-memory.dmp	netwire
behavioral2/memory/4376-15-0x0000000000400000-0x0000000000430000-memory.dmp	netwire

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation	test.exe

Executes dropped EXE 2 IoCs

pid	Process
3364	test.exe
4376	offiice365.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5032-0-0x0000000000400000-0x0000000000585000-memory.dmp	upx
behavioral2/memory/5032-14-0x0000000000400000-0x0000000000585000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\officeii365 = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\offiice365.exe"	offiice365.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 868	5032	NEAS.fae6906ee3443b5c896927fd87be8ff0.exe	86
PID 5032 wrote to memory of 868	5032	NEAS.fae6906ee3443b5c896927fd87be8ff0.exe	86
PID 5032 wrote to memory of 868	5032	NEAS.fae6906ee3443b5c896927fd87be8ff0.exe	86
PID 868 wrote to memory of 3364	868	cmd.exe	88
PID 868 wrote to memory of 3364	868	cmd.exe	88
PID 868 wrote to memory of 3364	868	cmd.exe	88
PID 3364 wrote to memory of 4376	3364	test.exe	91
PID 3364 wrote to memory of 4376	3364	test.exe	91
PID 3364 wrote to memory of 4376	3364	test.exe	91

C:\Users\Admin\AppData\Local\Temp\NEAS.fae6906ee3443b5c896927fd87be8ff0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.fae6906ee3443b5c896927fd87be8ff0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c test.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:868
- - C:\Users\Admin\AppData\Local\Temp\test.exe
    test.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3364
  - - C:\Users\Admin\AppData\Roaming\Install\offiice365.exe
      "C:\Users\Admin\AppData\Roaming\Install\offiice365.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:4376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

test.exe

Path C:\Users\Admin\AppData\Local\Temp\test.exe
Size 148KB
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67
SSDEEP 3072:TXFgYEAsB4+Cb3iiDUCcmE90rvPkGK+dr3fYMbFfS:TXGYEVat3iiDUCcf+rEG59zbFf
MD5 SHA1 SHA512 SSDEEP

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test.exe

Path C:\Users\Admin\AppData\Local\Temp\test.exe
Size 148KB
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67
SSDEEP 3072:TXFgYEAsB4+Cb3iiDUCcmE90rvPkGK+dr3fYMbFfS:TXGYEVat3iiDUCcf+rEG59zbFf
MD5 SHA1 SHA512 SSDEEP

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offiice365.exe

Path C:\Users\Admin\AppData\Roaming\Install\offiice365.exe
Size 148KB
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67
SSDEEP 3072:TXFgYEAsB4+Cb3iiDUCcmE90rvPkGK+dr3fYMbFfS:TXGYEVat3iiDUCcf+rEG59zbFf
MD5 SHA1 SHA512 SSDEEP

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offiice365.exe

Path C:\Users\Admin\AppData\Roaming\Install\offiice365.exe
Size 148KB
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67
SSDEEP 3072:TXFgYEAsB4+Cb3iiDUCcmE90rvPkGK+dr3fYMbFfS:TXGYEVat3iiDUCcf+rEG59zbFf
MD5 SHA1 SHA512 SSDEEP

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offiice365.exe

Path C:\Users\Admin\AppData\Roaming\Install\offiice365.exe
Size 148KB
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67
SSDEEP 3072:TXFgYEAsB4+Cb3iiDUCcmE90rvPkGK+dr3fYMbFfS:TXGYEVat3iiDUCcf+rEG59zbFf
MD5 SHA1 SHA512 SSDEEP

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memory/3364-13-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/4376-15-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/5032-0-0x0000000000400000-0x0000000000585000-memory.dmp

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memory/5032-14-0x0000000000400000-0x0000000000585000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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