SYMBOLCOMMON_NAMEaka. SYNONYMS
win.ddkong (Back to overview)

DDKONG

Actor(s): RANCOR


There is no description at this point.

References
2020-01-29nao_sec blognao_sec
@online{naosec:20200129:overhead:ec0aeb5, author = {nao_sec}, title = {{An Overhead View of the Royal Road}}, date = {2020-01-29}, organization = {nao_sec blog}, url = {https://nao-sec.org/2020/01/an-overhead-view-of-the-royal-road.html}, language = {English}, urldate = {2020-02-03} } An Overhead View of the Royal Road
BLACKCOFFEE Cotx RAT Datper DDKONG Derusbi Icefog Korlia NewCore RAT PLAINTEE Poison Ivy Sisfader
2020SecureworksSecureWorks
@online{secureworks:2020:bronze:79d8dd2, author = {SecureWorks}, title = {{BRONZE OVERBROOK}}, date = {2020}, organization = {Secureworks}, url = {https://www.secureworks.com/research/threat-profiles/bronze-overbrook}, language = {English}, urldate = {2020-05-23} } BRONZE OVERBROOK
Aveo DDKONG IsSpace PLAINTEE PlugX Rambo DragonOK
2019-12-17Palo Alto Networks Unit 42Jen Miller-Osborn, Mike Harbison
@online{millerosborn:20191217:rancor:998fe1c, author = {Jen Miller-Osborn and Mike Harbison}, title = {{Rancor: Cyber Espionage Group Uses New Custom Malware to Attack Southeast Asia}}, date = {2019-12-17}, organization = {Palo Alto Networks Unit 42}, url = {https://unit42.paloaltonetworks.com/rancor-cyber-espionage-group-uses-new-custom-malware-to-attack-southeast-asia/}, language = {English}, urldate = {2020-01-08} } Rancor: Cyber Espionage Group Uses New Custom Malware to Attack Southeast Asia
DDKONG Derusbi KHRAT
2018-06-26Palo Alto Networks Unit 42Brittany Ash, Josh Grunzweig, Tom Lancaster
@online{ash:20180626:rancor:99f5616, author = {Brittany Ash and Josh Grunzweig and Tom Lancaster}, title = {{RANCOR: Targeted Attacks in South East Asia Using PLAINTEE and DDKONG Malware Families}}, date = {2018-06-26}, organization = {Palo Alto Networks Unit 42}, url = {https://researchcenter.paloaltonetworks.com/2018/06/unit42-rancor-targeted-attacks-south-east-asia-using-plaintee-ddkong-malware-families/}, language = {English}, urldate = {2019-12-20} } RANCOR: Targeted Attacks in South East Asia Using PLAINTEE and DDKONG Malware Families
DDKONG PLAINTEE
Yara Rules
[TLP:WHITE] win_ddkong_auto (20200817 | autogenerated rule brought to you by yara-signator)
rule win_ddkong_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-08-17"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.4.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ddkong"
        malpedia_rule_date = "20200817"
        malpedia_hash = "8c895fd01eccb47a6225bcb1a3ba53cbb98644c5"
        malpedia_version = "20200817"
        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 / approach 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 = { c6854dffffff61 c6854effffff69 c6854fffffff74 c68550ffffff46 c68551ffffff6f }
            // n = 5, score = 100
            //   c6854dffffff61       | mov                 byte ptr [ebp - 0xb3], 0x61
            //   c6854effffff69       | mov                 byte ptr [ebp - 0xb2], 0x69
            //   c6854fffffff74       | mov                 byte ptr [ebp - 0xb1], 0x74
            //   c68550ffffff46       | mov                 byte ptr [ebp - 0xb0], 0x46
            //   c68551ffffff6f       | mov                 byte ptr [ebp - 0xaf], 0x6f

        $sequence_1 = { e8???????? 59 3bc7 59 743a 57 57 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   3bc7                 | cmp                 eax, edi
            //   59                   | pop                 ecx
            //   743a                 | je                  0x3c
            //   57                   | push                edi
            //   57                   | push                edi

        $sequence_2 = { 83c40c 395e1c 5b 7411 }
            // n = 4, score = 100
            //   83c40c               | add                 esp, 0xc
            //   395e1c               | cmp                 dword ptr [esi + 0x1c], ebx
            //   5b                   | pop                 ebx
            //   7411                 | je                  0x13

        $sequence_3 = { c68574ffffff6f c68575ffffff63 c68576ffffff65 c68577ffffff73 c68578ffffff73 }
            // n = 5, score = 100
            //   c68574ffffff6f       | mov                 byte ptr [ebp - 0x8c], 0x6f
            //   c68575ffffff63       | mov                 byte ptr [ebp - 0x8b], 0x63
            //   c68576ffffff65       | mov                 byte ptr [ebp - 0x8a], 0x65
            //   c68577ffffff73       | mov                 byte ptr [ebp - 0x89], 0x73
            //   c68578ffffff73       | mov                 byte ptr [ebp - 0x88], 0x73

        $sequence_4 = { 40 3b4604 72f6 6a01 }
            // n = 4, score = 100
            //   40                   | inc                 eax
            //   3b4604               | cmp                 eax, dword ptr [esi + 4]
            //   72f6                 | jb                  0xfffffff8
            //   6a01                 | push                1

        $sequence_5 = { 56 8b35???????? 8d45ec 57 bb???????? 50 53 }
            // n = 7, score = 100
            //   56                   | push                esi
            //   8b35????????         |                     
            //   8d45ec               | lea                 eax, [ebp - 0x14]
            //   57                   | push                edi
            //   bb????????           |                     
            //   50                   | push                eax
            //   53                   | push                ebx

        $sequence_6 = { c6857fffffff68 c6458072 c6458165 c6458261 c6458364 }
            // n = 5, score = 100
            //   c6857fffffff68       | mov                 byte ptr [ebp - 0x81], 0x68
            //   c6458072             | mov                 byte ptr [ebp - 0x80], 0x72
            //   c6458165             | mov                 byte ptr [ebp - 0x7f], 0x65
            //   c6458261             | mov                 byte ptr [ebp - 0x7e], 0x61
            //   c6458364             | mov                 byte ptr [ebp - 0x7d], 0x64

        $sequence_7 = { ffd7 8065d400 c645c843 c645c972 }
            // n = 4, score = 100
            //   ffd7                 | call                edi
            //   8065d400             | and                 byte ptr [ebp - 0x2c], 0
            //   c645c843             | mov                 byte ptr [ebp - 0x38], 0x43
            //   c645c972             | mov                 byte ptr [ebp - 0x37], 0x72

        $sequence_8 = { c6004d a1???????? c640015a ff35???????? e8???????? 83c40c a3???????? }
            // n = 7, score = 100
            //   c6004d               | mov                 byte ptr [eax], 0x4d
            //   a1????????           |                     
            //   c640015a             | mov                 byte ptr [eax + 1], 0x5a
            //   ff35????????         |                     
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   a3????????           |                     

        $sequence_9 = { 8bd8 85db 745d 8b3f }
            // n = 4, score = 100
            //   8bd8                 | mov                 ebx, eax
            //   85db                 | test                ebx, ebx
            //   745d                 | je                  0x5f
            //   8b3f                 | mov                 edi, dword ptr [edi]

    condition:
        7 of them and filesize < 81920
}
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