SYMBOLCOMMON_NAMEaka. SYNONYMS
win.pubload (Back to overview)

PUBLOAD

aka: ClaimLoader, PUBLOAD
VTCollection    

There is no description at this point.

References
2024-10-02ESET ResearchRomain Dumont
Separating the bee from the panda: CeranaKeeper making a beeline for Thailand
PUBLOAD TONESHELL WavyExfiller CeranaKeeper
2024-03-26Palo Alto Networks Unit 42Unit 42
ASEAN Entities in the Spotlight: Chinese APT Group Targeting
PUBLOAD
2024-01-23CSIRT-CTICSIRT-CTI
Stately Taurus Targets Myanmar Amidst Concerns over Military Junta’s Handling of Rebel Attacks
PlugX PUBLOAD TONESHELL
2022-11-18Trend MicroNick Dai, Sunny Lu, Vickie Su
Earth Preta Spear-Phishing Governments Worldwide
PUBLOAD TONESHELL MUSTANG PANDA
2022-11-17LAC WATCHYoshihiro Ishikawa
China-based Mustang Panda is a targeted attack with malware "Claimloader", may affect Japan
PUBLOAD
2022-08-09Twitter (@Katechondic)Katechondic
Tweet on malware, suspected to be from China based actor, targeting Taiwan
PUBLOAD
2022-05-05Cisco TalosAliza Berk, Asheer Malhotra, Jung soo An, Justin Thattil, Kendall McKay
Mustang Panda deploys a new wave of malware targeting Europe
Cobalt Strike Meterpreter PlugX PUBLOAD
Yara Rules
[TLP:WHITE] win_pubload_auto (20241030 | Detects win.pubload.)
rule win_pubload_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2024-10-31"
        version = "1"
        description = "Detects win.pubload."
        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.pubload"
        malpedia_rule_date = "20241030"
        malpedia_hash = "26e26953c49c8efafbf72a38076855d578e0a2e4"
        malpedia_version = "20241030"
        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 = { 6a5c 68???????? e8???????? 83c408 33c9 }
            // n = 5, score = 1500
            //   6a5c                 | push                0x5c
            //   68????????           |                     
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   33c9                 | xor                 ecx, ecx

        $sequence_1 = { 6a00 ff15???????? 6a5c 68???????? e8???????? 83c408 33c9 }
            // n = 7, score = 1500
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   6a5c                 | push                0x5c
            //   68????????           |                     
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   33c9                 | xor                 ecx, ecx

        $sequence_2 = { 6804010000 68???????? 6a00 ff15???????? 6a5c 68???????? }
            // n = 6, score = 1500
            //   6804010000           | push                0x104
            //   68????????           |                     
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   6a5c                 | push                0x5c
            //   68????????           |                     

        $sequence_3 = { ff15???????? 6a5c 68???????? e8???????? 83c408 33c9 }
            // n = 6, score = 1500
            //   ff15????????         |                     
            //   6a5c                 | push                0x5c
            //   68????????           |                     
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   33c9                 | xor                 ecx, ecx

        $sequence_4 = { 68???????? e8???????? 83c408 33c9 68???????? }
            // n = 5, score = 1500
            //   68????????           |                     
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   33c9                 | xor                 ecx, ecx
            //   68????????           |                     

        $sequence_5 = { 6804010000 68???????? 6a00 ff15???????? 6a5c 68???????? e8???????? }
            // n = 7, score = 1500
            //   6804010000           | push                0x104
            //   68????????           |                     
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   6a5c                 | push                0x5c
            //   68????????           |                     
            //   e8????????           |                     

        $sequence_6 = { e8???????? 83c408 33c9 68???????? }
            // n = 4, score = 1500
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   33c9                 | xor                 ecx, ecx
            //   68????????           |                     

        $sequence_7 = { 68???????? e8???????? 83c408 33c9 68???????? 66894802 ff15???????? }
            // n = 7, score = 1500
            //   68????????           |                     
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   33c9                 | xor                 ecx, ecx
            //   68????????           |                     
            //   66894802             | mov                 word ptr [eax + 2], cx
            //   ff15????????         |                     

        $sequence_8 = { 83c408 33c9 68???????? 66894802 ff15???????? }
            // n = 5, score = 1500
            //   83c408               | add                 esp, 8
            //   33c9                 | xor                 ecx, ecx
            //   68????????           |                     
            //   66894802             | mov                 word ptr [eax + 2], cx
            //   ff15????????         |                     

        $sequence_9 = { 6a00 6a00 6a00 ff15???????? c3 }
            // n = 5, score = 1500
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   c3                   | ret                 

    condition:
        7 of them and filesize < 524288
}
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