Overview
overview
7Static
static
3bloom_3.10...up.exe
windows10-2004-x64
7bloom_3.10...up.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3$TEMP/Micr...up.exe
windows10-2004-x64
6$TEMP/Micr...up.exe
windows11-ltsc_2024-x64
6bloom.exe
windows10-2004-x64
7bloom.exe
windows11-ltsc_2024-x64
6General
- Target bloom_3.10.1_x64-setup.exe
- Size 13.9MB
- Sample261110-tkxm4sa19p
- SHA256 5cb4d8fe87aaf26f161be61954aebfacb4c9f481b12c5bbcfc48aa6b56db7231
- MD5 ac07a8ff05f5aae969729d646ba28532
- SHA1 605a70b691342e2cd5b2946b504c7e76c4e146d1
- SHA512 772ad9a35cafc9134c2a2999ed4aeb19e169f1695eb4293884afb0ee177a5299ec04236c435a16ff948456f3b1e74b30a5eef4b9b37705d101e4d47a62e71eb1
- SSDEEP 393216:t+TqNuT7FZ8CCMbg8v6qr153f+g0E+u11djKAtEtw89fK:tZC7v6qr11th1dHtEtbfK
- TLSH T14BE63345A5F0C250CD49A9385EBFC266EA72F3A328D99DC0E124F0807EB7C864E5E795
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
bloom_3.10.1_x64-setup.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
bloom_3.10.1_x64-setup.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
$TEMP/MicrosoftEdgeWebview2Setup.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
$TEMP/MicrosoftEdgeWebview2Setup.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
bloom.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
bloom.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target bloom_3.10.1_x64-setup.exe
- Size 13.9MB
- SHA256 5cb4d8fe87aaf26f161be61954aebfacb4c9f481b12c5bbcfc48aa6b56db7231
- MD5 ac07a8ff05f5aae969729d646ba28532
- SHA1 605a70b691342e2cd5b2946b504c7e76c4e146d1
- SHA512 772ad9a35cafc9134c2a2999ed4aeb19e169f1695eb4293884afb0ee177a5299ec04236c435a16ff948456f3b1e74b30a5eef4b9b37705d101e4d47a62e71eb1
- SSDEEP 393216:t+TqNuT7FZ8CCMbg8v6qr153f+g0E+u11djKAtEtw89fK:tZC7v6qr11th1dHtEtbfK
- TLSH T14BE63345A5F0C250CD49A9385EBFC266EA72F3A328D99DC0E124F0807EB7C864E5E795
- MD5 SHA1 SHA512 SSDEEP TLSH
Score7/10Loads dropped DLL
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
- Target $PLUGINSDIR/StartMenu.dll
- Size 7KB
- SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
- MD5 b9b71990b37e04a56cadbcbfa694f30f
- SHA1 3b7627deb793446d6b12b7b94266cc592982a5c2
- SHA512 b4aa947aba471ce0ba37ab859391f6a157887c882c920a3081d482f63a83317ae75b428ebae226f835798517abb676114ee42bf13bd4c4291cebbb5e9658f2e5
- SSDEEP 96:VIt3J2Gl0eVe0+Cfo0UkXt6+o69UiGdPh5/utta/x3lkCTcaqHCI:ShE+A0+sF6piUFkA1lncviI
- TLSH T1FFF1C776F3D20673F9AB427428632F231B2AF521576581A7890316CE7A61DE3FD34B11
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
- MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
- SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
- SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
- SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
- TLSH T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
- MD5 8f0e7415f33843431df308bb8e06af81
- SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
- SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
- SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
- TLSH T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/nsis_tauri_utils.dll
- Size 33KB
- SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
- MD5 948eaa3cb78c2dcdd9eb1ab120ae0f65
- SHA1 75197fee3c6a814fe035788d1c34ead39349b860
- SHA512 f7c511e8c73ef6ee9b72c88cd73b2d454a6ffc12144118df2276ea3f5c34175df0d9d15a435035575ca2b171789fe348d7a9028b702b47dda749ee17e03ae7c1
- SSDEEP 768:K/wOD4gzTVpAVk2h5Rsekk55aCukBFKpnp0jdhK7W+qVG:8wODZzTrAV5Oevq4DtXHVG
- TLSH T188F24A48FDC57EBAE2CF05710809467E4A6FC8081700C96BE3722EA3D5A67329ED525F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $TEMP/MicrosoftEdgeWebview2Setup.exe
- Size 1.8MB
- SHA256 f414de01c4680f0bb0694d1ea7803c6968f3a81bf6bad01b89bfc65dce14c2a2
- MD5 851343f374301cf0beddb31a5a81bde7
- SHA1 dcfa6ecf2d8f2135662fe9731cf1a3bde25b7160
- SHA512 b01ddb5452645683370bf3fce211495c1ba25213e47da751b831df82337b4a4c52d9f67d19fe45cf50110d1e96110c2a80ee3d81dac772e0cbc5f0ae66863711
- SSDEEP 49152:ZiGV3T3JgjEwu1LDIo5/r22ysIZrjQGRiOiwjMGp6HWXTzDS:Zik3cEwu1HIqr2JdvzRbLNzG
- TLSH T1E995222572E48031F1B31E7155F49AB21A3EBD301B7009DF27919A6E2E70ED2E639B17
- MD5 SHA1 SHA512 SSDEEP TLSH
Event Triggered Execution: Image File Execution Options Injection
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
- Target bloom.exe
- Size 31.6MB
- SHA256 1f3cc1720a94d698f60e9d220e035c64c51d7310b7d20bb2bb8806c0c023abea
- MD5 0e55c00c0d682eb7b3be9d1d2050098e
- SHA1 6b048d673eea3bc8512db4d8e5b468e9aad648f7
- SHA512 ea5d0ce84d74001d88f8deb299ae81b5b9b6b3acec2baa28975e514e1bae81b4b8e15795f480ed9be97f3152a0936406753b6bb5822c2acce6b28a524ed46ce1
- SSDEEP 393216:9xCqxOh0JqWKTlrlKH4GCdy49HG6NU9xqQBdRJj13Yre:9x4h0JqWKTlrC9CUMoxqwRfIr
- TLSH T13C774A25BA5A996CD04AC4B083878A665A3130DF0B35B9FF45C492383F79BF46F38359
- MD5 SHA1 SHA512 SSDEEP TLSH
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Adds Run key to start application
Checks whether UAC is enabled
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Defense Evasion
Direct Volume Access
1Modify Registry
3Subvert Trust Controls
2Install Root Certificate
2