SYMBOLCOMMON_NAMEaka. SYNONYMS
win.saint_bot (Back to overview)

Saint Bot


There is no description at this point.

References
2022-07-18Palo Alto Networks Unit 42Unit 42
@online{42:20220718:nascent:4d2484b, author = {Unit 42}, title = {{Nascent Ursa}}, date = {2022-07-18}, organization = {Palo Alto Networks Unit 42}, url = {https://unit42.paloaltonetworks.com/atoms/nascentursa/}, language = {English}, urldate = {2022-07-25} } Nascent Ursa
Saint Bot SaintBear
2022-04-07InQuestWill MacArthur, Nick Chalard
@online{macarthur:20220407:ukraine:99bef5a, author = {Will MacArthur and Nick Chalard}, title = {{Ukraine CyberWar Overview}}, date = {2022-04-07}, organization = {InQuest}, url = {https://inquest.net/blog/2022/04/07/ukraine-cyberwar-overview}, language = {English}, urldate = {2022-04-29} } Ukraine CyberWar Overview
CyclopsBlink Cobalt Strike GraphSteel GrimPlant HermeticWiper HermeticWizard MicroBackdoor PartyTicket Saint Bot Scieron WhisperGate
2022-03-03LIFARSLIFARS
@online{lifars:20220303:closer:f29cc25, author = {LIFARS}, title = {{A Closer Look at the Russian Actors Targeting Organizations in Ukraine}}, date = {2022-03-03}, organization = {LIFARS}, url = {https://lifars.com/2022/03/a-closer-look-at-the-russian-actors-targeting-organizations-in-ukraine/}, language = {English}, urldate = {2022-03-04} } A Closer Look at the Russian Actors Targeting Organizations in Ukraine
HermeticWiper IsaacWiper Saint Bot WhisperGate
2022-02-25paloalto Networks Unit 42Unit 42
@online{42:20220225:spear:34925b2, author = {Unit 42}, title = {{Spear Phishing Attacks Target Organizations in Ukraine, Payloads Include the Document Stealer OutSteel and the Downloader SaintBot}}, date = {2022-02-25}, organization = {paloalto Networks Unit 42}, url = {https://unit42.paloaltonetworks.com/ukraine-targeted-outsteel-saintbot/}, language = {English}, urldate = {2022-03-01} } Spear Phishing Attacks Target Organizations in Ukraine, Payloads Include the Document Stealer OutSteel and the Downloader SaintBot
Saint Bot
2022-02-02Cert-UACert-UA
@online{certua:20220202:uac0056:c1fdb5c, author = {Cert-UA}, title = {{UAC-0056 cyberattack on Ukrainian state organizations using SaintBot and OutSteel malware (CERT-UA#3799)}}, date = {2022-02-02}, organization = {Cert-UA}, url = {https://cert.gov.ua/article/18419}, language = {Ukrainian}, urldate = {2022-05-04} } UAC-0056 cyberattack on Ukrainian state organizations using SaintBot and OutSteel malware (CERT-UA#3799)
Saint Bot
2022-01-31CyberScoopAJ Vicens
@online{vicens:20220131:conversation:464d1e3, author = {AJ Vicens}, title = {{Conversation with a top Ukrainian cyber official: What we know, what we don't, what it means}}, date = {2022-01-31}, organization = {CyberScoop}, url = {https://www.cyberscoop.com/ukrainian-cyber-attacks-russia-conflict-q-and-a/}, language = {English}, urldate = {2022-02-02} } Conversation with a top Ukrainian cyber official: What we know, what we don't, what it means
Saint Bot
2021-04-06MalwarebytesThreat Intelligence Team
@online{team:20210406:deep:6279974, author = {Threat Intelligence Team}, title = {{A deep dive into Saint Bot, a new downloader}}, date = {2021-04-06}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/threat-analysis/2021/04/a-deep-dive-into-saint-bot-downloader/}, language = {English}, urldate = {2021-04-12} } A deep dive into Saint Bot, a new downloader
Saint Bot
Yara Rules
[TLP:WHITE] win_saint_bot_auto (20221125 | Detects win.saint_bot.)
rule win_saint_bot_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-11-21"
        version = "1"
        description = "Detects win.saint_bot."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.saint_bot"
        malpedia_rule_date = "20221118"
        malpedia_hash = "e0702e2e6d1d00da65c8a29a4ebacd0a4c59e1af"
        malpedia_version = "20221125"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 33ff 57 57 6a3a 53 }
            // n = 5, score = 100
            //   33ff                 | xor                 edi, edi
            //   57                   | push                edi
            //   57                   | push                edi
            //   6a3a                 | push                0x3a
            //   53                   | push                ebx

        $sequence_1 = { e8???????? 83c40c 8945dc 8d45cc c745cc64000000 50 56 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8945dc               | mov                 dword ptr [ebp - 0x24], eax
            //   8d45cc               | lea                 eax, [ebp - 0x34]
            //   c745cc64000000       | mov                 dword ptr [ebp - 0x34], 0x64
            //   50                   | push                eax
            //   56                   | push                esi

        $sequence_2 = { 56 ff15???????? 8b3d???????? 8bf0 85f6 0f8482000000 53 }
            // n = 7, score = 100
            //   56                   | push                esi
            //   ff15????????         |                     
            //   8b3d????????         |                     
            //   8bf0                 | mov                 esi, eax
            //   85f6                 | test                esi, esi
            //   0f8482000000         | je                  0x88
            //   53                   | push                ebx

        $sequence_3 = { 750d 83bea000000000 0f8405010000 8b45f8 8bc8 2b4e34 }
            // n = 6, score = 100
            //   750d                 | jne                 0xf
            //   83bea000000000       | cmp                 dword ptr [esi + 0xa0], 0
            //   0f8405010000         | je                  0x10b
            //   8b45f8               | mov                 eax, dword ptr [ebp - 8]
            //   8bc8                 | mov                 ecx, eax
            //   2b4e34               | sub                 ecx, dword ptr [esi + 0x34]

        $sequence_4 = { 3c3d 740c 0fbec0 8b0485548f4000 0bc8 8a4201 c1e106 }
            // n = 7, score = 100
            //   3c3d                 | cmp                 al, 0x3d
            //   740c                 | je                  0xe
            //   0fbec0               | movsx               eax, al
            //   8b0485548f4000       | mov                 eax, dword ptr [eax*4 + 0x408f54]
            //   0bc8                 | or                  ecx, eax
            //   8a4201               | mov                 al, byte ptr [edx + 1]
            //   c1e106               | shl                 ecx, 6

        $sequence_5 = { 8bf0 8975dc 85f6 741c 68???????? 6800040000 56 }
            // n = 7, score = 100
            //   8bf0                 | mov                 esi, eax
            //   8975dc               | mov                 dword ptr [ebp - 0x24], esi
            //   85f6                 | test                esi, esi
            //   741c                 | je                  0x1e
            //   68????????           |                     
            //   6800040000           | push                0x400
            //   56                   | push                esi

        $sequence_6 = { 897de4 e8???????? 8b75fc 83c410 }
            // n = 4, score = 100
            //   897de4               | mov                 dword ptr [ebp - 0x1c], edi
            //   e8????????           |                     
            //   8b75fc               | mov                 esi, dword ptr [ebp - 4]
            //   83c410               | add                 esp, 0x10

        $sequence_7 = { 0f842f010000 eb0f 8b45fc 85c0 7423 c6840518f0ffff00 8d45fc }
            // n = 7, score = 100
            //   0f842f010000         | je                  0x135
            //   eb0f                 | jmp                 0x11
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   85c0                 | test                eax, eax
            //   7423                 | je                  0x25
            //   c6840518f0ffff00     | mov                 byte ptr [ebp + eax - 0xfe8], 0
            //   8d45fc               | lea                 eax, [ebp - 4]

        $sequence_8 = { 668945cc 58 6a30 668945ce 58 668945d0 }
            // n = 6, score = 100
            //   668945cc             | mov                 word ptr [ebp - 0x34], ax
            //   58                   | pop                 eax
            //   6a30                 | push                0x30
            //   668945ce             | mov                 word ptr [ebp - 0x32], ax
            //   58                   | pop                 eax
            //   668945d0             | mov                 word ptr [ebp - 0x30], ax

        $sequence_9 = { ff75cc ffd7 ff75dc ffd7 ff75fc }
            // n = 5, score = 100
            //   ff75cc               | push                dword ptr [ebp - 0x34]
            //   ffd7                 | call                edi
            //   ff75dc               | push                dword ptr [ebp - 0x24]
            //   ffd7                 | call                edi
            //   ff75fc               | push                dword ptr [ebp - 4]

    condition:
        7 of them and filesize < 93184
}
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