Overview
overview
10Static
static
3e6ea98b046...1).exe
windows10-2004-x64
10e6ea98b046...1).exe
windows7-x64
10e6ea98b046...1).exe
windows10-1703-x64
10e6ea98b046...1).exe
windows10-2004-x64
10e6ea98b046...1).exe
windows11-21h2-x64
10setup_installer.exe
windows10-1703-x64
10setup_installer.exe
windows7-x64
10setup_installer.exe
windows10-1703-x64
10setup_installer.exe
windows10-2004-x64
10setup_installer.exe
windows11-21h2-x64
10Analysis
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max time kernel
276s -
max time network
1176s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-03-2024 21:57
Static task
static1
Behavioral task
behavioral1
Sample
e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe
Resource
win7-20240221-en
Behavioral task
behavioral3
Sample
e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe
Resource
win10-20240221-en
Behavioral task
behavioral4
Sample
e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe
Resource
win11-20240221-en
Behavioral task
behavioral6
Sample
setup_installer.exe
Resource
win10-20240221-en
Behavioral task
behavioral7
Sample
setup_installer.exe
Resource
win7-20240220-en
Behavioral task
behavioral8
Sample
setup_installer.exe
Resource
win10-20240221-en
General
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Target
e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe
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Size
1.5MB
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MD5
269d7e74e4b21a2fc0e66907c77fc0bc
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SHA1
fc09525a2f93bf089d0b02c5220e7ee452e64747
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SHA256
e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779
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SHA512
e0a257ed553383a06267c124b8d72215d6f155ae02ab6d327258c621835957c39e5567c012777fa80f087e578b9a2e1519ead076948b79b1145103826db4bdd0
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SSDEEP
24576:Eg5ks+W8y6AFZexyuCkfHGFV01gUSvriQMbOyK2jYR2J11RaLNBDj:EgrHa0ZAhIVQFSv2LtwRG11R+F
Malware Config
Extracted
nullmixer
http://wxkeww.xyz/
Extracted
smokeloader
pub6
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRawWriteNotification = "1" karotima_1.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" karotima_1.exe -
SmokeLoader
Modular backdoor trojan in use since 2014.
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resource yara_rule behavioral5/files/0x000100000002a7e2-30.dat aspack_v212_v242 behavioral5/files/0x000100000002a7dd-37.dat aspack_v212_v242 behavioral5/files/0x000100000002a7de-36.dat aspack_v212_v242 behavioral5/files/0x000100000002a7e0-44.dat aspack_v212_v242 -
Executes dropped EXE 4 IoCs
pid Process 1220 setup_installer.exe 4120 setup_install.exe 1784 karotima_1.exe 4564 karotima_2.exe -
Loads dropped DLL 7 IoCs
pid Process 4120 setup_install.exe 4120 setup_install.exe 4120 setup_install.exe 4120 setup_install.exe 4120 setup_install.exe 4120 setup_install.exe 4120 setup_install.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ipinfo.io 2 ipinfo.io -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 5072 4120 WerFault.exe 79 2912 4564 WerFault.exe 86 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2728 vlc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2728 vlc.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe 2728 vlc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2728 vlc.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1116 wrote to memory of 1220 1116 e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe 78 PID 1116 wrote to memory of 1220 1116 e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe 78 PID 1116 wrote to memory of 1220 1116 e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe 78 PID 1220 wrote to memory of 4120 1220 setup_installer.exe 79 PID 1220 wrote to memory of 4120 1220 setup_installer.exe 79 PID 1220 wrote to memory of 4120 1220 setup_installer.exe 79 PID 4120 wrote to memory of 2084 4120 setup_install.exe 83 PID 4120 wrote to memory of 2084 4120 setup_install.exe 83 PID 4120 wrote to memory of 2084 4120 setup_install.exe 83 PID 4120 wrote to memory of 1560 4120 setup_install.exe 84 PID 4120 wrote to memory of 1560 4120 setup_install.exe 84 PID 4120 wrote to memory of 1560 4120 setup_install.exe 84 PID 2084 wrote to memory of 1784 2084 cmd.exe 85 PID 2084 wrote to memory of 1784 2084 cmd.exe 85 PID 2084 wrote to memory of 1784 2084 cmd.exe 85 PID 1560 wrote to memory of 4564 1560 cmd.exe 86 PID 1560 wrote to memory of 4564 1560 cmd.exe 86 PID 1560 wrote to memory of 4564 1560 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe"C:\Users\Admin\AppData\Local\Temp\e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Users\Admin\AppData\Local\Temp\7zS4C43DAA7\setup_install.exe"C:\Users\Admin\AppData\Local\Temp\7zS4C43DAA7\setup_install.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c karotima_1.exe4⤵
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Users\Admin\AppData\Local\Temp\7zS4C43DAA7\karotima_1.exekarotima_1.exe5⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
PID:1784
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c karotima_2.exe4⤵
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Users\Admin\AppData\Local\Temp\7zS4C43DAA7\karotima_2.exekarotima_2.exe5⤵
- Executes dropped EXE
PID:4564 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 3046⤵
- Program crash
PID:2912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 5404⤵
- Program crash
PID:5072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4120 -ip 41201⤵PID:1320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4564 -ip 45641⤵PID:1580
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3704
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Downloads\CompressEnable.rm"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2728
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.0MB
MD59108ad5775c76cccbb4eadf02de24f5d
SHA182996bc4f72b3234536d0b58630d5d26bcf904b0
SHA256c9d5525b2f2b76087121039ee1c23ed35508e60f653479722ec64ea3a064878e
SHA51219021a28555bba1fe1bdcdc8845f1bcadebd256c7db02b9329d6b44ae01a123a00e162cc34a97ba51f088cafa6f54ab1de8f82f771ac54b94a3a796f84f73362
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Filesize
222KB
MD580e74cf9f38c5712c6c2432a509c8bc7
SHA162ccdca04b3685728ce7f1a785cc01f3a3f3b3dc
SHA2569ff44c4da853cdbe606d2cfe4d04b410c3ae603acf0f1d3f75195b6236e0e123
SHA512d602cd95ad38cacae41b4848e72ac54ad81d287e1c825d68a088009512b14b5290a5a6c3032ebb2c91fecb5f743d519e92f1ccb27f5fe2841094a693d2b8de49
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Filesize
218KB
MD5d09be1f47fd6b827c81a4812b4f7296f
SHA1028ae3596c0790e6d7f9f2f3c8e9591527d267f7
SHA2560de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
SHA512857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595
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Filesize
54KB
MD5e6e578373c2e416289a8da55f1dc5e8e
SHA1b601a229b66ec3d19c2369b36216c6f6eb1c063e
SHA25643e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f
SHA5129df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89
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Filesize
113KB
MD59aec524b616618b0d3d00b27b6f51da1
SHA164264300801a353db324d11738ffed876550e1d3
SHA25659a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e
SHA5120648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0
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Filesize
647KB
MD55e279950775baae5fea04d2cc4526bcc
SHA18aef1e10031c3629512c43dd8b0b5d9060878453
SHA25697de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87
SHA512666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02
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Filesize
69KB
MD51e0d62c34ff2e649ebc5c372065732ee
SHA1fcfaa36ba456159b26140a43e80fbd7e9d9af2de
SHA256509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723
SHA5123653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61
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Filesize
290KB
MD5118f130d93db3be4452ad8a0751509df
SHA14cac4b964784aadc7e6f41c21b854c668dca6981
SHA256f7dec887c3345567ce86ce60cc8841a6a54eda35049811049debd1c5451656f4
SHA512ec263d9cfc0a0324f8f79f6f6703f507d06f454cbc9964595a00d9606aae86c34920c8a10ef3d4413aceb85e33d731634200c0e7ee099b8a35baf8e69f46234f
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Filesize
64KB
MD54d2b68d677ac73dcb65ee825768911d5
SHA1662ed4a8145efa1359dc1d4279f406d2cc394515
SHA2565ee8d225fa0aba9acc29fa615cf1615072bf0e5e7ec8e9cedfcbeb57ec5caa49
SHA512abbd76794f5e0916fb090d555f4d0f39a1ca7dff56590e505e1d1316e2aaaa530a50ca661da12166e151c15d42f7d56926fa0730c5ed68f71fc09483e9c93a08
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Filesize
1.5MB
MD578418bfb23c7adf70828f675e990de49
SHA1534a26817c39972287abf166bb00c831440a1e57
SHA256b14218cb639c6afa35a66cf418035ce10475b53f5386896a44327fd48d8447c8
SHA5125df88e9bd4d241b69acba4499845e68286cd24fffed582864c24ad4c5d9bd47041c99ac32cc023c7a6dbe4cecaed39882274cbf4e12aedd5220c6e51075a8dd8
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Filesize
112KB
MD549359ff70a57cb30642f19081a825517
SHA1e094c5f5f91c061f3670aa51ccbe0970830935b3
SHA256ad816a23ead14eb21c323da6fdb5b1d98979398827a36e4b026627db38972f1d
SHA5128844fd4b90b4cb820b07e900b72b321241b3e2285e783b4f12063c3515c90e2753fae7facfe144489bc39016191b317f344d43b28e63f7eb2d66ca322aecc51b
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Filesize
93KB
MD5478a4a09f4f74e97335cd4d5e9da7ab5
SHA13c4f1dc52a293f079095d0b0370428ec8e8f9315
SHA256884b59950669842f3c45e6da3480cd9a553538b951fb155b435b48ff38683974
SHA512e96719663cd264132a8e1ea8c3f8a148c778a0c68caa2468ba47629393605b197dd9e00efad91f389de9fcc77b04981a0cf87f785f3c645cdc9e4ebd98060ca1