SYMBOLCOMMON_NAMEaka. SYNONYMS
win.sarhust (Back to overview)

Sarhust

aka: ENDCMD, Hussarini

There is no description at this point.

References
2019-06-03FireEyeChi-en Shen
@online{shen:20190603:into:d40fee9, author = {Chi-en Shen}, title = {{Into the Fog - The Return of ICEFOG APT}}, date = {2019-06-03}, organization = {FireEye}, url = {https://speakerdeck.com/ashley920/into-the-fog-the-return-of-icefog-apt}, language = {English}, urldate = {2020-06-30} } Into the Fog - The Return of ICEFOG APT
Icefog PlugX Sarhust
2018-07-08FortinetJasper Manuel, Rommel Joven
@online{manuel:20180708:hussarini:ce47cdc, author = {Jasper Manuel and Rommel Joven}, title = {{Hussarini – Targeted Cyber Attack in the Philippines}}, date = {2018-07-08}, organization = {Fortinet}, url = {https://www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html}, language = {English}, urldate = {2019-10-17} } Hussarini – Targeted Cyber Attack in the Philippines
Sarhust
2012-10-09Trend MicroAbraham Latimer Camba
@online{camba:20121009:bkdrsarhusta:92d2b93, author = {Abraham Latimer Camba}, title = {{BKDR_SARHUST.A}}, date = {2012-10-09}, organization = {Trend Micro}, url = {https://www.trendmicro.com/vinfo/us/threat-encyclopedia/malware/bkdr_sarhust.a}, language = {English}, urldate = {2020-01-05} } BKDR_SARHUST.A
Sarhust
Yara Rules
[TLP:WHITE] win_sarhust_auto (20201014 | autogenerated rule brought to you by yara-signator)
rule win_sarhust_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.sarhust"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        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 = { 6801000080 ff15???????? 85c0 7408 ff15???????? }
            // n = 5, score = 200
            //   6801000080           | push                0x80000001
            //   ff15????????         |                     
            //   85c0                 | test                eax, eax
            //   7408                 | je                  0xa
            //   ff15????????         |                     

        $sequence_1 = { e8???????? 8d8d4cffffff e8???????? 8d8d4cffffff e8???????? 6a00 ff15???????? }
            // n = 7, score = 200
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   6a00                 | push                0
            //   ff15????????         |                     

        $sequence_2 = { e8???????? 8d8d4cffffff e8???????? 6a00 ff15???????? }
            // n = 5, score = 200
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   6a00                 | push                0
            //   ff15????????         |                     

        $sequence_3 = { 8d8d4cffffff e8???????? 8d8d4cffffff e8???????? 6a00 ff15???????? }
            // n = 6, score = 200
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   6a00                 | push                0
            //   ff15????????         |                     

        $sequence_4 = { eb08 8b4520 8b4d0c 8908 }
            // n = 4, score = 200
            //   eb08                 | jmp                 0xa
            //   8b4520               | mov                 eax, dword ptr [ebp + 0x20]
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   8908                 | mov                 dword ptr [eax], ecx

        $sequence_5 = { 8d8d4cffffff e8???????? 8d8d4cffffff e8???????? 8d8d4cffffff e8???????? 6a00 }
            // n = 7, score = 200
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   6a00                 | push                0

        $sequence_6 = { 8d8d4cffffff e8???????? 8d8d4cffffff e8???????? 8d8d4cffffff e8???????? }
            // n = 6, score = 200
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     

        $sequence_7 = { 8d8d4cffffff e8???????? 8d8d4cffffff e8???????? 6a00 }
            // n = 5, score = 200
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   6a00                 | push                0

        $sequence_8 = { 8d8d4cffffff e8???????? 8d8d4cffffff e8???????? 8d8d4cffffff }
            // n = 5, score = 200
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]

        $sequence_9 = { e8???????? 8d8d4cffffff e8???????? 8d8d4cffffff e8???????? 6a00 }
            // n = 6, score = 200
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   8d8d4cffffff         | lea                 ecx, [ebp - 0xb4]
            //   e8????????           |                     
            //   6a00                 | push                0

    condition:
        7 of them and filesize < 114688
}
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