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
-
max time kernel
1215s -
max time network
1202s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
-
Target
e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe
-
Size
1.5MB
-
MD5
269d7e74e4b21a2fc0e66907c77fc0bc
-
SHA1
fc09525a2f93bf089d0b02c5220e7ee452e64747
-
SHA256
e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779
-
SHA512
e0a257ed553383a06267c124b8d72215d6f155ae02ab6d327258c621835957c39e5567c012777fa80f087e578b9a2e1519ead076948b79b1145103826db4bdd0
-
SSDEEP
24576:Eg5ks+W8y6AFZexyuCkfHGFV01gUSvriQMbOyK2jYR2J11RaLNBDj:EgrHa0ZAhIVQFSv2LtwRG11R+F
Malware Config
Extracted
nullmixer
http://wxkeww.xyz/
Extracted
smokeloader
pub6
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" karotima_1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRawWriteNotification = "1" karotima_1.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection karotima_1.exe -
PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
-
SmokeLoader
Modular backdoor trojan in use since 2014.
-
resource yara_rule behavioral1/files/0x000700000002327d-30.dat aspack_v212_v242 behavioral1/files/0x0008000000023276-37.dat aspack_v212_v242 behavioral1/files/0x0008000000023277-36.dat aspack_v212_v242 behavioral1/files/0x000700000002327b-44.dat aspack_v212_v242 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation setup_installer.exe -
Executes dropped EXE 5 IoCs
pid Process 4772 setup_installer.exe 4928 setup_install.exe 4436 karotima_1.exe 1968 karotima_2.exe 4036 eisvhew -
Loads dropped DLL 8 IoCs
pid Process 4928 setup_install.exe 4928 setup_install.exe 4928 setup_install.exe 4928 setup_install.exe 4928 setup_install.exe 4928 setup_install.exe 1968 karotima_2.exe 4036 eisvhew -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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 53 ipinfo.io 54 ipinfo.io -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
pid pid_target Process procid_target 1760 4928 WerFault.exe 102 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI karotima_2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eisvhew Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eisvhew Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eisvhew Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI karotima_2.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI karotima_2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1968 karotima_2.exe 1968 karotima_2.exe 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1968 karotima_2.exe 4036 eisvhew -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3376 Process not Found Token: SeCreatePagefilePrivilege 3376 Process not Found Token: SeShutdownPrivilege 3376 Process not Found Token: SeCreatePagefilePrivilege 3376 Process not Found Token: SeShutdownPrivilege 3376 Process not Found Token: SeCreatePagefilePrivilege 3376 Process not Found Token: SeShutdownPrivilege 3376 Process not Found Token: SeCreatePagefilePrivilege 3376 Process not Found Token: SeShutdownPrivilege 3376 Process not Found Token: SeCreatePagefilePrivilege 3376 Process not Found Token: SeShutdownPrivilege 3376 Process not Found Token: SeCreatePagefilePrivilege 3376 Process not Found -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3376 Process not Found -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1548 wrote to memory of 4772 1548 e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe 101 PID 1548 wrote to memory of 4772 1548 e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe 101 PID 1548 wrote to memory of 4772 1548 e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe 101 PID 4772 wrote to memory of 4928 4772 setup_installer.exe 102 PID 4772 wrote to memory of 4928 4772 setup_installer.exe 102 PID 4772 wrote to memory of 4928 4772 setup_installer.exe 102 PID 4928 wrote to memory of 1388 4928 setup_install.exe 105 PID 4928 wrote to memory of 1388 4928 setup_install.exe 105 PID 4928 wrote to memory of 1388 4928 setup_install.exe 105 PID 4928 wrote to memory of 2572 4928 setup_install.exe 106 PID 4928 wrote to memory of 2572 4928 setup_install.exe 106 PID 4928 wrote to memory of 2572 4928 setup_install.exe 106 PID 1388 wrote to memory of 4436 1388 cmd.exe 107 PID 1388 wrote to memory of 4436 1388 cmd.exe 107 PID 1388 wrote to memory of 4436 1388 cmd.exe 107 PID 2572 wrote to memory of 1968 2572 cmd.exe 108 PID 2572 wrote to memory of 1968 2572 cmd.exe 108 PID 2572 wrote to memory of 1968 2572 cmd.exe 108 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe"C:\Users\Admin\AppData\Local\Temp\e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Users\Admin\AppData\Local\Temp\7zS4A28C258\setup_install.exe"C:\Users\Admin\AppData\Local\Temp\7zS4A28C258\setup_install.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c karotima_1.exe4⤵
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Users\Admin\AppData\Local\Temp\7zS4A28C258\karotima_1.exekarotima_1.exe5⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
PID:4436
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c karotima_2.exe4⤵
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Users\Admin\AppData\Local\Temp\7zS4A28C258\karotima_2.exekarotima_2.exe5⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1968
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 5164⤵
- Program crash
PID:1760
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4928 -ip 49281⤵PID:1852
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:4860
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3864 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:1220
-
C:\Users\Admin\AppData\Roaming\eisvhewC:\Users\Admin\AppData\Roaming\eisvhew1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4036
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
376KB
MD5626b55da5a57c1f5b4977a976bb26adb
SHA1f88e3a9d7d7b34ac1c8a1cb5bf3839bb90e00c6a
SHA256c74472c53315869f8f89dd3b2fdb476e40aaf2454dfa9e0a911af7feb0efdc90
SHA512217b392548a63ef98456da0c2abe2aeefb37d266ac4638c6da14b87d26eea9435829cdfe68803a5c123532fddce911e2646383c42f52d4cf427c0e97e24390c3
-
Filesize
494KB
MD5a2b7c69ecaeabf46a6cc4a4dc5923275
SHA1df76d25876731fce9ed42575d39c6ca14d518159
SHA2568e56f681421e9a664c71ca137efe8d157e08887e7c02ad4ffb4449621898d83a
SHA512c853bbf9a182ee969a13c7d75cd4f5b2e7dd9418b7a3286068fa43a9917f8bb76a0ac4c4674f4fc0e9999506afbe97d3c688c4c9aac0ed38f8bc425c4ce176cb
-
Filesize
222KB
MD580e74cf9f38c5712c6c2432a509c8bc7
SHA162ccdca04b3685728ce7f1a785cc01f3a3f3b3dc
SHA2569ff44c4da853cdbe606d2cfe4d04b410c3ae603acf0f1d3f75195b6236e0e123
SHA512d602cd95ad38cacae41b4848e72ac54ad81d287e1c825d68a088009512b14b5290a5a6c3032ebb2c91fecb5f743d519e92f1ccb27f5fe2841094a693d2b8de49
-
Filesize
218KB
MD5d09be1f47fd6b827c81a4812b4f7296f
SHA1028ae3596c0790e6d7f9f2f3c8e9591527d267f7
SHA2560de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
SHA512857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595
-
Filesize
54KB
MD5e6e578373c2e416289a8da55f1dc5e8e
SHA1b601a229b66ec3d19c2369b36216c6f6eb1c063e
SHA25643e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f
SHA5129df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89
-
Filesize
113KB
MD59aec524b616618b0d3d00b27b6f51da1
SHA164264300801a353db324d11738ffed876550e1d3
SHA25659a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e
SHA5120648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0
-
Filesize
647KB
MD55e279950775baae5fea04d2cc4526bcc
SHA18aef1e10031c3629512c43dd8b0b5d9060878453
SHA25697de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87
SHA512666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02
-
Filesize
69KB
MD51e0d62c34ff2e649ebc5c372065732ee
SHA1fcfaa36ba456159b26140a43e80fbd7e9d9af2de
SHA256509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723
SHA5123653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61
-
Filesize
290KB
MD5118f130d93db3be4452ad8a0751509df
SHA14cac4b964784aadc7e6f41c21b854c668dca6981
SHA256f7dec887c3345567ce86ce60cc8841a6a54eda35049811049debd1c5451656f4
SHA512ec263d9cfc0a0324f8f79f6f6703f507d06f454cbc9964595a00d9606aae86c34920c8a10ef3d4413aceb85e33d731634200c0e7ee099b8a35baf8e69f46234f
-
Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
-
Filesize
1.5MB
MD578418bfb23c7adf70828f675e990de49
SHA1534a26817c39972287abf166bb00c831440a1e57
SHA256b14218cb639c6afa35a66cf418035ce10475b53f5386896a44327fd48d8447c8
SHA5125df88e9bd4d241b69acba4499845e68286cd24fffed582864c24ad4c5d9bd47041c99ac32cc023c7a6dbe4cecaed39882274cbf4e12aedd5220c6e51075a8dd8