Overview
overview
8Static
static
5MO_TA_VIEC...DF.exe
windows10-2004-x64
6MO_TA_VIEC...DF.exe
windows11-ltsc_2024-x64
6MO_TA_VIEC...me.dll
windows10-2004-x64
8MO_TA_VIEC...me.dll
windows11-ltsc_2024-x64
1MO_TA_VIEC...DF.exe
windows10-2004-x64
6MO_TA_VIEC...DF.exe
windows11-ltsc_2024-x64
6uxtheme.dll
windows10-2004-x64
8uxtheme.dll
windows11-ltsc_2024-x64
8Analysis
- max time kernel
149s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/06/2026, 12:45
Static task
static1
Behavioral task
behavioral1
Sample
MO_TA_VIEC_LAM_PDF (1)/MO_TA_VIEC_LAM_PDF.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
MO_TA_VIEC_LAM_PDF (1)/MO_TA_VIEC_LAM_PDF.exe
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral3
Sample
MO_TA_VIEC_LAM_PDF (1)/uxtheme.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
MO_TA_VIEC_LAM_PDF (1)/uxtheme.dll
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral5
Sample
MO_TA_VIEC_LAM_PDF.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
MO_TA_VIEC_LAM_PDF.exe
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral7
Sample
uxtheme.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
uxtheme.dll
Resource
win11ltsc2024-20260618-en
General
- Target MO_TA_VIEC_LAM_PDF.exe
- Size 19.4MB
- Sample260626-py547act4j
- SHA256 719f689b34f47be8ca105ce8484948474dafde0e106bab599e4a89326070c3d0
- MD5 79435213ab241b13a9d8da354c088868
- SHA1 6232326f3da33c340c57e7370e038085d5f86d88
- SHA512 1fe4766426e145aad9215830cab225cdf9151de23fe56877654aa5b84bb8af65486a8a0d8466b3f8cbeaea32baa6c5ffe04347893e945085a73a3a85e5f969c1
- SSDEEP 393216:rcwPySz6s9X5xZ08RBCxXJq3o4I5y/+uuPZ:L6s9X5xZ08RBCxXJxd5yGuuPZ
- TLSH T1FC17BE96B2949AB8D542FA3CC911827EF229FC2C5B61834741D97D747E733680C29FB2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ip-api.com - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\Tasks\MicrosoftWindowsUpdateTask3746(Manual) explorer.exe - Executes dropped EXE 1 IoCs
pid Process 7076 demo.exe - Loads dropped DLL 1 IoCs
pid Process 7076 demo.exe - Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\ProcessorNameString MO_TA_VIEC_LAM_PDF.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MO_TA_VIEC_LAM_PDF.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MO_TA_VIEC_LAM_PDF.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 demo.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor MO_TA_VIEC_LAM_PDF.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor demo.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\ProcessorNameString demo.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString demo.exe - Enumerates system info in registry 2 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS demo.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily demo.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion demo.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS MO_TA_VIEC_LAM_PDF.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily MO_TA_VIEC_LAM_PDF.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion MO_TA_VIEC_LAM_PDF.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeRestorePrivilege 5428 explorer.exe Token: SeBackupPrivilege 5428 explorer.exe Token: SeRestorePrivilege 5428 explorer.exe Token: SeTakeOwnershipPrivilege 5428 explorer.exe Token: SeBackupPrivilege 5428 explorer.exe Token: SeRestorePrivilege 5428 explorer.exe - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1876 wrote to memory of 5880 1876 MO_TA_VIEC_LAM_PDF.exe 91 PID 1876 wrote to memory of 5880 1876 MO_TA_VIEC_LAM_PDF.exe 91 PID 5880 wrote to memory of 5428 5880 explorer.exe 92 PID 5880 wrote to memory of 5428 5880 explorer.exe 92 PID 7076 wrote to memory of 3092 7076 demo.exe 95 PID 7076 wrote to memory of 3092 7076 demo.exe 95 PID 3092 wrote to memory of 6332 3092 explorer.exe 96 PID 3092 wrote to memory of 6332 3092 explorer.exe 96 PID 5428 wrote to memory of 3924 5428 explorer.exe 97 PID 5428 wrote to memory of 3924 5428 explorer.exe 97 PID 5428 wrote to memory of 1648 5428 explorer.exe 100 PID 5428 wrote to memory of 1648 5428 explorer.exe 100 PID 5428 wrote to memory of 5668 5428 explorer.exe 103 PID 5428 wrote to memory of 5668 5428 explorer.exe 103 PID 5428 wrote to memory of 1108 5428 explorer.exe 106 PID 5428 wrote to memory of 1108 5428 explorer.exe 106 - 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
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C:\Users\Admin\AppData\Local\Temp\MO_TA_VIEC_LAM_PDF.exe"C:\Users\Admin\AppData\Local\Temp\MO_TA_VIEC_LAM_PDF.exe"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\explorer.exeexplorer.exe2⤵
- Suspicious use of WriteProcessMemory
PID:5880 -
C:\Windows\explorer.exeexplorer.exe3⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5428 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"4⤵PID:3924
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"4⤵PID:1648
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-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"4⤵PID:5668
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"4⤵PID:1108
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C:\Users\Admin\AppData\Local\demo.exeC:\Users\Admin\AppData\Local\demo.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:7076 -
C:\Windows\explorer.exeexplorer.exe2⤵
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Windows\explorer.exeexplorer.exe3⤵PID:6332
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:5240
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:4524
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:4448
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:6612
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:1224
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:1852
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:6504
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:6276
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Kya3KM\Chrome\fingerprint.json
- Size 868B
- SHA256 b4e8ac98f41c6e95f77097ef3e190d5cbfcb70579d31c21f223a75090017ea59
- MD5 bdf3ff164fcc511a8b80752389789176
- SHA1 a34617b4832550711b39301b3cc2ab2e5173416c
- SHA512 795563c2016a0efcf20ab7082b34a1e403483496d6d04dc29054099b6238bd438b032ff0b283233bf9f29d6c091116b0d3e88c865683002ddee54a76f79c57f2
- TLSH T19B11A612A946D4BF2932F048E270945736A18F2D22B90C1737F7A4081996A3A314AFA6
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Kya3KM\Edge\fingerprint.json
- Size 970B
- SHA256 bec3451a3a01b35425c633c4c2450934cc3f01d11b6870f1e83f83bb51b66088
- MD5 6c01a51566dc785c0a8176aeb7322040
- SHA1 5e0276f2baef0dd1587127b1abb19956d9d40d52
- SHA512 8cc91d9abe5faca8428335a0552a408e2e2be38f0d4a3f22542d21da0ca2dd7c3a94746a8f521eed4d3367cf16fe915f0f7c98acdfdb9f49789f320eaf09ffa2
- TLSH T1371100629916D0FF7672F499D6B8482733708F6E71B90C1331FB941C295277A210AFE6
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\SumatraPDF-settings.txt
- Size 2KB
- SHA256 71fa07dfd2cbae23a880630604680112b3766c5a43f94cb9e2f0828f8f70e2e5
- MD5 3ab750236ad42ce212d0a5e9378e46e4
- SHA1 33d26a067d0a1618a84df982941364ef442a88da
- SHA512 59d19cd118f4707129029178f0e6f1abbfc9bb16bc69b59b6e960468b94840767a88937b53e66dcf4d16cbd982162d1f58bebc08d39af07ccca087f8c4e211dc
- TLSH T13341CE2C255B603CC926775DAEB7E0334EE63860719B7998B9EE581C345096C819DD0E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\UxTheme.dll
- Size 220KB
- SHA256 20471a44987c563b0701f18e5fa20b797fe046674f67563c8904b9a90e056394
- MD5 019b1572141a19a705df8b7f9c69cb4b
- SHA1 d7d7798b17fd584cd4726c292e53a70a0f37f2ff
- SHA512 78d257770b559402c8e64db82d64ea5509a0d126281af5be88ec05bd878c7f63559a0fbc26f745c0527d9ce5e2be3144d7498487902fef2684a1b807074962bc
- SSDEEP 6144:PAskkjLGeh/c+5MZkaVYmcXRBkDKyLh8dUFZzk/zlpePF:PAskU/vjaVYmoRGzUUFeLy
- TLSH T10524126190D17539E8B906BC18C53374ADB0AC952AAE42CFE53AFB72193035C9673BC7
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\demo.exe
- Size 19.4MB
- SHA256 719f689b34f47be8ca105ce8484948474dafde0e106bab599e4a89326070c3d0
- MD5 79435213ab241b13a9d8da354c088868
- SHA1 6232326f3da33c340c57e7370e038085d5f86d88
- SHA512 1fe4766426e145aad9215830cab225cdf9151de23fe56877654aa5b84bb8af65486a8a0d8466b3f8cbeaea32baa6c5ffe04347893e945085a73a3a85e5f969c1
- SSDEEP 393216:rcwPySz6s9X5xZ08RBCxXJq3o4I5y/+uuPZ:L6s9X5xZ08RBCxXJxd5yGuuPZ
- TLSH T1FC17BE96B2949AB8D542FA3CC911827EF229FC2C5B61834741D97D747E733680C29FB2
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\jwTMll\Chrome\Default\cookies.json
- Size 341B
- SHA256 105ecd437c6472f52ea58551928265b97012bf06ed413913736f5ddcff2acfce
- MD5 352d35f036f51c755842c990db5148bd
- SHA1 79605f430e2a224e19d136cd6ca50fd2346f16f9
- SHA512 e8d5b6ec7871812f3df55d48da32b93df09b543c2341c832683ebd15c0619ac26575403367c1a9d3e6f9cbbf727fa0d07fe447c0ad2b87d3aace39e082dd2525
- TLSH T108E0C08340530C25DC215073C5501ECFD22C767181FDCD1A72EDC475AB40C44B30A8E7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\jwTMll\Chrome\Default\cookies.txt
- Size 253B
- SHA256 41e7914231b223a68513eff8286df69a67c52da71309146803235ab7aa0ba64b
- MD5 8a9f962fba9a28e36f5e0d160bb14f58
- SHA1 731969a0637fc48a47e54ae6c15b548e9644ce82
- SHA512 e4b120218e1c48bfdaa9ba2b71ad008ef1c8d64235763bf73a602011c3d20b8ba2561dd1afe3b0b74dbe07663884ebc09d7cc84e4276706f1395eb2112d0abde
- TLSH T121D02B034A5B49546934902281680E8FD20C7950C1BACA5A73D9C0716B41C05B3494F2
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\jwTMll\Chrome\fingerprint.json
- Size 868B
- SHA256 ec9684690d359c97245828609905a05e1071861920860372b25f15a567e78cf5
- MD5 4e4f58e78bb407837cb6b801702becb2
- SHA1 3cf2d9e7cb521df9eb23309cba4da2bcdd2add00
- SHA512 d118bd1870fc8b9fc23625574b61fe892079abf9c521f0df5e8eeebbd95f7c8369fe01df4f82419d38df05aad8e377fdc03b5a7696e0c7ead903e9daea0e513f
- TLSH T12111C912A946D4BF3932F048E270985736B18F3D22B90C1737F7A40C1997B3A315AFA6
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\jwTMll\Edge\Default\cookies.json
- Size 344B
- SHA256 cd01b8d227843c97013e9c2dc6786090f645f56cfa63c6bc9df13ecdf49fbe7d
- MD5 d38c1e08d697a3c8fd02597fe85cda38
- SHA1 e923df4b3e2b53ba2371fae1bbe529d93070d19c
- SHA512 a7e713f72f28128446bd167a0174f6de840272937e9cded90f939cf25841994801e79fce7b23c24cc033e1410b2dd548966de44149016260fbb85f0b4075bedd
- TLSH T1C7E0C08411B31EA9D9421E643D04FB483A3C172148E8F5F0D0E9C0614920EC521460CE
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\jwTMll\Edge\Default\cookies.txt
- Size 256B
- SHA256 6166019f94a67c489ba136f6ab8e75873a9beb3d178473c01d9ca75e9d48e7fb
- MD5 4f6ba0777b19afb10ae3c2b4be395b07
- SHA1 770595e8f42009ca41be9f6202a4b62d3dc0edf0
- SHA512 96a1fde276068209de249712e5f5dc5067bc62e29142d42906959839301a3cbbb93edd9e5eb1fe4d9171e2ba400e64684ab5b1b0125c4a769ab7fc270f570f7c
- TLSH T1C2D0955C12B76BC576461F50357CF2492E1D1A1154F4F3F4E1D9C1725611DC535C6056
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\jwTMll\Edge\fingerprint.json
- Size 970B
- SHA256 855e769b3813a8e5a423ac8e93b94cdd5b6f019aa7282690cf3375696cc82a34
- MD5 745a360950467609355747766fafa22c
- SHA1 929876ce3bbeccc043f7f742d688ed02fad3ca11
- SHA512 4ea928cb3282c83c2e350179955c6a1a5012d3a31dcbb6613636af53353e3b25031fffd2c40b28e971da3ee6d5189d8d10f889ccd4499efb4a685253f413508b
- TLSH T1F611DC229916D0BF7672F499D6B8482733708F6E71B50C1331FB9418295277A210AFA6
- MD5 SHA1 SHA512 TLSH