40cee7c44bef384a352bac53e4cb33438623e13cdb15d1e9df35e93b4b00d6ee

Resubmissions

28/06/2026, 17:33

260628-v45y9sax8n8

28/06/2026, 17:28

260628-v2edjaav3t8

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General

Target
BSK Optimizer Setup 1.0.0.exe
Size 73.4MB
Sample260628-v2edjaav3t
SHA256 40cee7c44bef384a352bac53e4cb33438623e13cdb15d1e9df35e93b4b00d6ee
MD5 02473ecdd116d5be0ef34d54432212aa
SHA1 b383f3a772303451c86541c4ab8c33e0c516c4bd
SHA512 98733150d01c4dcc31091918d9050be4825cd4889c7de58e9be0000d96efbd89a6a7e9a68ca81e778e28999cebec547d9008e8e0ce8ece87b4645b1f6c3aa039
SSDEEP 1572864:yn2um44HiZzg19HG3cv4JW4/KMYAMvJmiftzjPzcsZM2AWIPIiXyR:ynTm4vm/YJo+sUifljLcs22Lv
TLSH
T130F7334AAF21E13FF413D473E10866F9629AE095E7338F97113E91DEE8E26106F441A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

Malware Config

Targets

- Target
  BSK Optimizer Setup 1.0.0.exe
- Size 73.4MB
- SHA256 40cee7c44bef384a352bac53e4cb33438623e13cdb15d1e9df35e93b4b00d6ee
- MD5 02473ecdd116d5be0ef34d54432212aa
- SHA1 b383f3a772303451c86541c4ab8c33e0c516c4bd
- SHA512 98733150d01c4dcc31091918d9050be4825cd4889c7de58e9be0000d96efbd89a6a7e9a68ca81e778e28999cebec547d9008e8e0ce8ece87b4645b1f6c3aa039
- SSDEEP 1572864:yn2um44HiZzg19HG3cv4JW4/KMYAMvJmiftzjPzcsZM2AWIPIiXyR:ynTm4vm/YJo+sUifljLcs22Lv
- TLSH
  T130F7334AAF21E13FF413D473E10866F9629AE095E7338F97113E91DEE8E26106F441A7
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

7^/10

discovery
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
behavioral1 behavioral2
- Target
  $PLUGINSDIR/StdUtils.dll
- Size 100KB
- SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
- MD5 c6a6e03f77c313b267498515488c5740
- SHA1 3d49fc2784b9450962ed6b82b46e9c3c957d7c15
- SHA512 9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
- SSDEEP 3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v
- TLSH
  T125A33B62A2FA9CF5E4E70B3D1469BB264CBB7B383431D93F2342054B8534586DA2D35B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10

discovery
behavioral3 behavioral4
- Target
  $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
- MD5 0d7ad4f45dc6f5aa87f606d0331c6901
- SHA1 48df0911f0484cbe2a8cdd5362140b63c41ee457
- SHA512 c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
- SSDEEP 192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
- TLSH
  T1BA428E12977049F2F1A0183C10A67F265FBEAE5C1BE445A39FE380867D652DF9436343
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10

discovery
behavioral5 behavioral6
- Target
  $PLUGINSDIR/UAC.dll
- Size 14KB
- SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
- MD5 adb29e6b186daa765dc750128649b63d
- SHA1 160cbdc4cb0ac2c142d361df138c537aa7e708c9
- SHA512 b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada
- SSDEEP 192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs
- TLSH
  T10F623AAA62E847BEE2221636B96723130BFDB5203DA1D01F4D531E596C30BE3953D61A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

8^/10

discovery adware persistence ransomware spyware
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral7 behavioral8
- Target
  $PLUGINSDIR/WinShell.dll
- Size 3KB
- SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
- MD5 1cc7c37b7e0c8cd8bf04b6cc283e1e56
- SHA1 0b9519763be6625bd5abce175dcc59c96d100d4c
- SHA512 7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
- TLSH
  T16A51365F13BED7A4C3071738A6FBDC85749B440012C659558BB2172ABF141E0BB3CD08
- MD5 SHA1 SHA512 TLSH
Score

3^/10

discovery
behavioral10 behavioral9
- Target
  $PLUGINSDIR/app-64.7z
- Size 72.8MB
- SHA256 8849c4aff8d49d237e606c8e65ea3cf94c1a71e1eba769d8b032006863ada71a
- MD5 d018864b363c22c349345785c6260092
- SHA1 7dbb9a82c2a13cce7dbd9d0abd08b0c933c17a34
- SHA512 cfa080844b7259248914d7e71ff75cba5bf214171cf812b2e2b78539d7df6760c3694d97626baa5bb5a2730d0522f0bffd4e4e5ab0b8bccbea7f59ca6d989418
- SSDEEP 1572864:02um44HiZzg19HG3cv4JW4/KMYAMvJmiftzjPzcsZM2AWIPIiXys:0Tm4vm/YJo+sUifljLcs22Ly
- TLSH
  T1BEF7334A6E22F13FF417D473E10856F8629AE095E7338FA6113E91DEECA26106B441F7
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

8^/10

adware persistence ransomware spyware
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral11 behavioral12
- Target
  BSK Optimizer.exe
- Size 168.1MB
- SHA256 1efa8d5bb75b08f4d8f04715346052873370c01f8b341247eaf7d0036b8369a3
- MD5 f130b60cafca35ad49411da5ac717ad0
- SHA1 2a29cea67d782a7ccbfb9ea0f8f6b6391b544ff4
- SHA512 2ba48a928d150f88c947488f7928ab107e6e8e0f72f128a116fabb178d8d9f9f022fcd396b63b527652f8f3871126ad603e3d7c201a31f0875083c1805665c6c
- SSDEEP 1572864:zgRMg/aKxl4b7qCDQtjovZT78wLF2pArKgDz6ObiISXD+Dyj3eRalD2kGpTe/2Hk:7g/geeFXzGa9Fz
- TLSH
  T116887B03E2DA50D9F05DD1B18B979633EA72B84A4728B6DF265407162F77EE02B3DB10
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

7^/10
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
behavioral13 behavioral14
- Target
  LICENSE.electron.txt
- Size 1KB
- SHA256 5154e165bd6c2cc0cfbcd8916498c7abab0497923bafcd5cb07673fe8480087d
- MD5 4d42118d35941e0f664dddbd83f633c5
- SHA1 2b21ec5f20fe961d15f2b58efb1368e66d202e5c
- SHA512 3ffbba2e4cd689f362378f6b0f6060571f57e228d3755bdd308283be6cbbef8c2e84beb5fcf73e0c3c81cd944d01ee3fcf141733c4d8b3b0162e543e0b9f3e63
- TLSH
  T1B511861E726453721C56136055766C84F12F725FBAAF2784246EF384233746CE5FF844
- MD5 SHA1 SHA512 TLSH
Score

8^/10

ransomware adware persistence spyware
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral15 behavioral16
- Target
  chrome_100_percent.pak
- Size 150KB
- SHA256 49aff5690cb9b0f54f831351aa0f64416ba180a0c4891a859fa7294e81e9c8e3
- MD5 b1bccf31fa5710207026d373edd96161
- SHA1 ae7bb0c083aea838df1d78d61b54fb76c9a1182e
- SHA512 134a13ad86f8bd20a1d2350236269fd39c306389a600556a82025d5e0d5adaab0709d59e9b7ee96e8e2d25b6df49fefea27cdccefe5fba9687abf92a9a941d91
- SSDEEP 3072:AzwJCGIekwENgMBsFAXg6VKdL2o418Gb0+VRLf0ld0GY3cQ3ERVm2I:Azw1IekmMBdQXK18Gb0OV8ld0GecQ3Ey
- TLSH
  T174E3E1D7B7F4ED3DCA5B56B7A61500B2ECB346780691434B078AD8363A76748D8C8783
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10
behavioral17 behavioral18
- Target
  chrome_200_percent.pak
- Size 229KB
- SHA256 4d5b51f720f7d3146e131c54a6f75e4e826c61b2ff15c8955f6d6dd15bedf106
- MD5 e02160c24b8077b36ff06dc05a9df057
- SHA1 fc722e071ce9caf52ad9a463c90fc2319aa6c790
- SHA512 1bf873b89b571974537b685cdb739f8ed148f710f6f24f0f362f8b6bb605996fcfec1501411f2cb2df374d5fdaf6e2daaada8cea68051e3c10a67030ea25929e
- SSDEEP 6144:gDQYaSN6svydrI8jDQUgx5GMRejnbdZnVE6YoppO4:NfSN6svydZ6edhVELoXO4
- TLSH
  T1A734F1D763F89D3DC9674AB3522601F1ECB2013946B6424B03DBED357A96BC988C92C3
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10
behavioral19 behavioral20
- Target
  icudtl.dat
- Size 10.2MB
- SHA256 7bf96c193befbf23514401f8f6568076450ade52dd1595b85e4dfcf3de5f6fb9
- MD5 74bded81ce10a426df54da39cfa132ff
- SHA1 eb26bcc7d24be42bd8cfbded53bd62d605989bbf
- SHA512 bd7b7b52d31803b2d4b1fd8cb76481931ed8abb98d779b893d3965231177bdd33386461e1a820b384712013904da094e3cd15ee24a679ddc766132677a8be54a
- SSDEEP 196608:WgPBhORiuQwCliXUxbblHa93Whli6Z26wO+:W8wkDliXUxbblHa93Whli6ZUF
- TLSH
  T19AB63803A2FB4EC2F9F76F31D8F452679527BD496E32805A11042F3B5C336908A65BB6
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10
behavioral21 behavioral22
- Target
  locales/af.pak
- Size 478KB
- SHA256 e36a906908a92dad39ad8e5b344b38c538574e35c5386ac2b901640b202d3228
- MD5 2602cd68ebe25f12f5d9892d5fa92b11
- SHA1 478766dcc8ce4427872bebd81ad929f7aef250a3
- SHA512 6bbecbeaa6e09857a5698a280475496498a88488249025b2f58ca7a8493a77bc13fcd783041a6198f58696f4e2a84c3dbee0891e89800dac6f3fb317f70c5492
- SSDEEP 12288:3an0y+3zo5ExirXKhaG1B2+H2JynyaI4IVzZo0vgElgA2W0PSq+2ss30fzO75g6D:3a0y+3zouxkXyd1B2+H2JynyaI4IVzZW
- TLSH
  T1CFA43C06EB84273D09A07696BA0845F7FF9CA26CD770B2B6DD9D823509A6EFC017D0D4
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10
behavioral23 behavioral24
- Target
  locales/am.pak
- Size 776KB
- SHA256 1847f8517d8f26c856adbf08df3996d5f3b7ab61378199c138346bfe29675f01
- MD5 ac7a72616a544cdb022eda20b0dc8872
- SHA1 50b7f8363894a7e33042412804efa2bda510aba2
- SHA512 d5b3b851a0d6615eccc1223cfba6b285ac8387e0c0f9df1fb5bd95c9a208813b31f56546fc9c624e7f3a12b35ab7e8acd13ea85025b5f9cf74def60ad679a546
- SSDEEP 24576:/x1ATZg8/xp1GCj+VRRz085d9tcV03OzPkS:Z1J5Q
- TLSH
  T181F499547EF9F7570F8E8A19A4320E4EA594AD4652803C38C35AE3FC2B2DF1B4DDA215
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10
behavioral25 behavioral26
- Target
  locales/ar.pak
- Size 851KB
- SHA256 04e83274dec0274dccbd97dabcefe3174ea1da5b62b5d24e047e2036b93f3482
- MD5 4d0a0771176823bf004f9182b94bde82
- SHA1 7e0601d8dca0404736787d85918d1a680a7e68ec
- SHA512 6dd144273252026bcf08be52189ea5a15410a42a616c9fac14edb4be7d98023b65fa1746ed50b654e57f140790e8a92b1080f2f035adb81b7d10aa473f2dca61
- SSDEEP 12288:4P9FlB5/G/d/RXCwR14fvPUKzUUk/K5MN0j+OzIh4pG:4LhQza5R+9
- TLSH
  T19A058BE21B2984720B96DF0FD1E23668E872BD23DB4BFC3124934A2156D7513E78E674
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10
behavioral27 behavioral28
- Target
  locales/bg.pak
- Size 885KB
- SHA256 24c09721c3cb4f3fe7eb403113375257197bed808295c6b85532409b6664db45
- MD5 d0b47c1cf62b29b866ca630958a019fb
- SHA1 bae6e1af9d7225584510443aed21a40fcea349e3
- SHA512 39472b1f6859c10cc782a303761d63a2409807d7d342c3bc558075284cf455a26c3e1b9b4ce67a5fbd84e6c4b621adcfd8fd8a819cfc25554962454e5f4b5816
- SSDEEP 24576:E+CDcquMMLYzzQkECPUwVbtcHU373ZA+3aAKHkVDYyKzumpod2nm5c0XuGox3QN3:hCDcquMMLYUKUwVbtcHU373Z93arkVDn
- TLSH
  T1C11514A15B9A689F0101F45F98087E093CEB84FE3FE7879241652DBD39F10B487BA64D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10
behavioral29 behavioral30
- Target
  locales/bn.pak
- Size 1.1MB
- SHA256 bf2fa4c57095e0be63e8cd1ae6d2389d6417a91d8c9e1970eeee5363c46f0d27
- MD5 83a0030387afbe1cd2d6790079fc5024
- SHA1 9d4253d253167aee6f3ba9cf6f8f376266832d00
- SHA512 20c92c5c3634a9663d933aa98d9356e18beb8927f2975778967a65cc25522560784eabecfe99037008689cf3b77093c35d3f109f32ae2db2160e9798415a3771
- SSDEEP 3072:iOXg1lMf3u3jGVxXD7unXU7AI2HSzhb0Ylf14/QISydDbsh8VBbFKQg5hNDl2Ob:Hw3MvpXD7unLxSydHsh8VBbG5Hld
- TLSH
  T11445DE209C6E91B2A8C5CDC9434C6370C5236E9B9B65F74DDC17A24938ADC3C8CADDB8
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10
behavioral31 behavioral32

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

Resubmissions

Sharing

General

Malware Config

Targets

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Checks installed software on the system

Boot or Logon Autostart Execution: Active Setup

Enumerates connected drives

Boot or Logon Autostart Execution: Active Setup

Enumerates connected drives

Checks computer location settings

Boot or Logon Autostart Execution: Active Setup

Enumerates connected drives

MITRE ATT&CK Enterprise v16

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4

behavioral5

behavioral6

behavioral7

behavioral8

behavioral9

behavioral10

behavioral11

behavioral12

behavioral13

behavioral14

behavioral15

behavioral16

behavioral17

behavioral18

behavioral19

behavioral20

behavioral21

behavioral22

behavioral23

behavioral24

behavioral25

behavioral26

behavioral27

behavioral28

behavioral29

behavioral30

behavioral31

behavioral32