General
- Target 03082026_0915_02082026_LOA-AD-142026944-7K.Rivera.rar
- Size 761KB
- Sample260803-k8antashma
- SHA256 a701314d8cf647a47a1fc78db3fd994648d88f7676ce20e408f4723941e827b1
- MD5 f978e59bcecb6f014e6f00f2f55da2d6
- SHA1 8e4bc9f122a4b7673a0d847f61112241c6e279cb
- SHA512 023853aa7cdb3f28e27d511ba7081555cd1797b3a4eae708f2762ae08431040ed359a56c887566d4607e164907c5c68f8431a6bdc36d888959d3f908564fb102
- SSDEEP 12288:0mNYRrmPdTAJNgxFE/m21fCYm4GYEu6QBhQIokTRWjqb7VaHhY0v7nTq+ucoqvA:X2YFaH1fCYmrYJ6QBq0WWpaHhfe+1o
- TLSH T175F4338C1DA937D9FC4A4D917E078DBCEB540B0A09FAE9114B7A2336CF5A30E1586F51
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
LOA-AD-142026944-7K.Rivera.js
Resource
win10v2004-20260513-en
17 signatures
300 seconds
Behavioral task
behavioral2
Sample
LOA-AD-142026944-7K.Rivera.js
Resource
win11ltsc2024-20260709-en
16 signatures
300 seconds
Behavioral task
behavioral3
Sample
LOA-AD-142026944-7K.Rivera.pdf
Resource
win10v2004-20260513-en
7 signatures
300 seconds
Malware Config
Targets
-
- Target LOA-AD-142026944-7K.Rivera.js
- Size 3.0MB
- SHA256 cac449d38cc5ec5d21742d5551b6714379d577d15b71b9cb5f40b32c71d61506
- MD5 35cf56b0de2ac4066d2b923a8e6bcb05
- SHA1 c97b9c55d733c98f024c2fc06370670c0e2f053f
- SHA512 954ccb299607578d6a6f25a7f64ff2336d9ad9dc632fd4aa39811763aff8c85b71ae423550d0012bb43af3ba9bcc58c41677b40e3da9a586c9369ed6ec74785f
- SSDEEP 49152:80ThinSJaUQPlVeuVuftq9DYwSxZNbvXNyCMzSY7R04GnenqYAcfo+kbrRRyO9eV:S
- TLSH T104E5F6E327DEBC9748513745A80C55984F1E90604B5362AEB0CF93C4073A4AFABE5E6F
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Formbook payload
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Accesses Microsoft Outlook profiles
-
Suspicious use of SetThreadContext
-
- Target LOA-AD-142026944-7K.Rivera.pdf
- Size 846B
- SHA256 91a28b65e3274b27babb6c306959ed92ac92c0c9ff7e88aca4d793d32a008098
- MD5 cff4fa3884abd569d14b849b779dc3c3
- SHA1 48957479291202ede1416fb340da862a53abb32c
- SHA512 321003937a4856bb170cfedf16b00d3b36c3dddd9e6b6e5b511ce05b2491dfa8cac44ed95452cb5e189b8c6b4f8a9ca27fce41ab859e522d01794d1f7cc962b1
- TLSH T1C2018E50DACE1CCCE52297877F26754B2DADF21216CCE1D220BDD78781C1F1AD647522
- MD5 SHA1 SHA512 TLSH
MITRE ATT&CK Enterprise v16
Tasks
static1
Score
1/10
behavioral1
adwarecollectiondefense_evasiondiscoveryexecutionformbookratspywarestealertrojan
Score
10/10
behavioral2
adwarecollectiondefense_evasiondiscoveryexecutionformbookratspywarestealertrojan
Score
10/10
behavioral3
adwarediscoveryspyware
Score
3/10
behavioral4
adwarediscoveryspyware
Score
3/10