SYMBOLCOMMON_NAMEaka. SYNONYMS
win.pteranodon (Back to overview)

Pteranodon

Actor(s): Gamaredon Group, Operation Armageddon


There is no description at this point.

References
2020-02-17YoroiYoroi
@online{yoroi:20200217:cyberwarfare:5b28cf2, author = {Yoroi}, title = {{Cyberwarfare: A deep dive into the latest Gamaredon Espionage Campaign}}, date = {2020-02-17}, organization = {Yoroi}, url = {https://blog.yoroi.company/research/cyberwarfare-a-deep-dive-into-the-latest-gamaredon-espionage-campaign/}, language = {English}, urldate = {2020-02-20} } Cyberwarfare: A deep dive into the latest Gamaredon Espionage Campaign
Pteranodon
2020-02-13ElasticDaniel Stepanic, Andrew Pease, Seth Goodwin
@online{stepanic:20200213:playing:ae77be6, author = {Daniel Stepanic and Andrew Pease and Seth Goodwin}, title = {{Playing defense against Gamaredon Group}}, date = {2020-02-13}, organization = {Elastic}, url = {https://www.elastic.co/blog/playing-defense-against-gamaredon-group}, language = {English}, urldate = {2020-06-26} } Playing defense against Gamaredon Group
Pteranodon
2020-02-05SentinelOneVitali Kremez
@online{kremez:20200205:prorussian:4fab984, author = {Vitali Kremez}, title = {{Pro-Russian CyberSpy Gamaredon Intensifies Ukrainian Security Targeting}}, date = {2020-02-05}, organization = {SentinelOne}, url = {https://labs.sentinelone.com/pro-russian-cyberspy-gamaredon-intensifies-ukrainian-security-targeting/}, language = {English}, urldate = {2020-02-09} } Pro-Russian CyberSpy Gamaredon Intensifies Ukrainian Security Targeting
Pteranodon
2019-02-07ThreatStopJohn Bambenek
@online{bambenek:20190207:inside:2a18c89, author = {John Bambenek}, title = {{An Inside Look at the Infrastructure Behind the Russian APT Gamaredon Group}}, date = {2019-02-07}, organization = {ThreatStop}, url = {https://blog.threatstop.com/russian-apt-gamaredon-group}, language = {English}, urldate = {2020-01-06} } An Inside Look at the Infrastructure Behind the Russian APT Gamaredon Group
Pteranodon
2019-01-07Vitali Kremez
@online{kremez:20190107:lets:07f4941, author = {Vitali Kremez}, title = {{Let's Learn: Deeper Dive into Gamaredon Group Pteranodon Implant Version '_512'}}, date = {2019-01-07}, url = {https://www.vkremez.com/2019/01/lets-learn-deeper-dive-into-gamaredon.html}, language = {English}, urldate = {2020-01-07} } Let's Learn: Deeper Dive into Gamaredon Group Pteranodon Implant Version '_512'
Pteranodon
2018-11-15Cert-UACert-UA
@online{certua:20181115:pterodo:3ed19e5, author = {Cert-UA}, title = {{Виявлена підготовка до проведення кібератаки з використанням ШПЗ типу Pterodo}}, date = {2018-11-15}, organization = {Cert-UA}, url = {https://cert.gov.ua/news/46}, language = {Ukrainian}, urldate = {2020-01-13} } Виявлена підготовка до проведення кібератаки з використанням ШПЗ типу Pterodo
Pteranodon
2018-09-03Cert-UACert-UA
@online{certua:20180903:bulk:09fa177, author = {Cert-UA}, title = {{Bulk mailing of spyware like Pterodo}}, date = {2018-09-03}, organization = {Cert-UA}, url = {https://cert.gov.ua/news/42}, language = {Ukrainian}, urldate = {2020-01-08} } Bulk mailing of spyware like Pterodo
Pteranodon
2017-02-27Palo Alto Networks Unit 42Anthony Kasza, Dominik Reichel
@online{kasza:20170227:gamaredon:322eb5f, author = {Anthony Kasza and Dominik Reichel}, title = {{The Gamaredon Group Toolset Evolution}}, date = {2017-02-27}, organization = {Palo Alto Networks Unit 42}, url = {https://researchcenter.paloaltonetworks.com/2017/02/unit-42-title-gamaredon-group-toolset-evolution/}, language = {English}, urldate = {2019-12-20} } The Gamaredon Group Toolset Evolution
Pteranodon
2016-06-25NSHCNSHC Threatrecon Team
@online{team:20160625:sectorc08:84b8f56, author = {NSHC Threatrecon Team}, title = {{SectorC08: Multi-Layered SFX in Recent Campaigns Target Ukraine}}, date = {2016-06-25}, organization = {NSHC}, url = {https://threatrecon.nshc.net/2019/06/11/sectorc08-multi-layered-sfx-recent-campaigns-target-ukraine/}, language = {English}, urldate = {2020-01-07} } SectorC08: Multi-Layered SFX in Recent Campaigns Target Ukraine
Pteranodon
Yara Rules
[TLP:WHITE] win_pteranodon_auto (20211008 | Detects win.pteranodon.)
rule win_pteranodon_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-10-07"
        version = "1"
        description = "Detects win.pteranodon."
        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.pteranodon"
        malpedia_rule_date = "20211007"
        malpedia_hash = "e5b790e0f888f252d49063a1251ca60ec2832535"
        malpedia_version = "20211008"
        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 = { 50 8d4340 50 ff561c 85c0 }
            // n = 5, score = 100
            //   50                   | push                eax
            //   8d4340               | lea                 eax, dword ptr [ebx + 0x40]
            //   50                   | push                eax
            //   ff561c               | call                dword ptr [esi + 0x1c]
            //   85c0                 | test                eax, eax

        $sequence_1 = { 8b4508 57 8d3c85d06b0310 8b0f 85c9 }
            // n = 5, score = 100
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   57                   | push                edi
            //   8d3c85d06b0310       | lea                 edi, dword ptr [eax*4 + 0x10036bd0]
            //   8b0f                 | mov                 ecx, dword ptr [edi]
            //   85c9                 | test                ecx, ecx

        $sequence_2 = { 50 ff37 e8???????? c7843524faffff0f000000 }
            // n = 4, score = 100
            //   50                   | push                eax
            //   ff37                 | push                dword ptr [edi]
            //   e8????????           |                     
            //   c7843524faffff0f000000     | mov    dword ptr [ebp + esi - 0x5dc], 0xf

        $sequence_3 = { 7512 8b04bdb8690310 807c302900 7504 32c0 }
            // n = 5, score = 100
            //   7512                 | jne                 0x14
            //   8b04bdb8690310       | mov                 eax, dword ptr [edi*4 + 0x100369b8]
            //   807c302900           | cmp                 byte ptr [eax + esi + 0x29], 0
            //   7504                 | jne                 6
            //   32c0                 | xor                 al, al

        $sequence_4 = { c705????????01000000 c705????????01000000 6a04 58 6bc000 c780d460031002000000 6a04 }
            // n = 7, score = 100
            //   c705????????01000000     |     
            //   c705????????01000000     |     
            //   6a04                 | push                4
            //   58                   | pop                 eax
            //   6bc000               | imul                eax, eax, 0
            //   c780d460031002000000     | mov    dword ptr [eax + 0x100360d4], 2
            //   6a04                 | push                4

        $sequence_5 = { 7213 40 8d8dd8f8ffff 50 ffb5d8f8ffff e8???????? }
            // n = 6, score = 100
            //   7213                 | jb                  0x15
            //   40                   | inc                 eax
            //   8d8dd8f8ffff         | lea                 ecx, dword ptr [ebp - 0x728]
            //   50                   | push                eax
            //   ffb5d8f8ffff         | push                dword ptr [ebp - 0x728]
            //   e8????????           |                     

        $sequence_6 = { 57 6af6 ff15???????? 8b049db8690310 8b4dfc }
            // n = 5, score = 100
            //   57                   | push                edi
            //   6af6                 | push                -0xa
            //   ff15????????         |                     
            //   8b049db8690310       | mov                 eax, dword ptr [ebx*4 + 0x100369b8]
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]

        $sequence_7 = { 58 0fb60c85feef0210 0fb63485ffef0210 8bf9 8985a4f8ffff c1e702 }
            // n = 6, score = 100
            //   58                   | pop                 eax
            //   0fb60c85feef0210     | movzx               ecx, byte ptr [eax*4 + 0x1002effe]
            //   0fb63485ffef0210     | movzx               esi, byte ptr [eax*4 + 0x1002efff]
            //   8bf9                 | mov                 edi, ecx
            //   8985a4f8ffff         | mov                 dword ptr [ebp - 0x75c], eax
            //   c1e702               | shl                 edi, 2

        $sequence_8 = { 7204 8b02 eb02 8bc2 c60000 803b00 7504 }
            // n = 7, score = 100
            //   7204                 | jb                  6
            //   8b02                 | mov                 eax, dword ptr [edx]
            //   eb02                 | jmp                 4
            //   8bc2                 | mov                 eax, edx
            //   c60000               | mov                 byte ptr [eax], 0
            //   803b00               | cmp                 byte ptr [ebx], 0
            //   7504                 | jne                 6

        $sequence_9 = { 7ed0 83c8ff eb07 8b04f5b49b0210 5f }
            // n = 5, score = 100
            //   7ed0                 | jle                 0xffffffd2
            //   83c8ff               | or                  eax, 0xffffffff
            //   eb07                 | jmp                 9
            //   8b04f5b49b0210       | mov                 eax, dword ptr [esi*8 + 0x10029bb4]
            //   5f                   | pop                 edi

    condition:
        7 of them and filesize < 499712
}
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