SYMBOLCOMMON_NAMEaka. SYNONYMS
win.ghole (Back to overview)

Ghole

aka: Gholee, CoreImpact (Modified)

Actor(s): Rocket Kitten


There is no description at this point.

References
2015-03-24Trend MicroCedric Pernet, Kenney Lu
@techreport{pernet:20150324:operation:65e881c, author = {Cedric Pernet and Kenney Lu}, title = {{Operation Woolen-Goldfish: When Kittens Go Phishing}}, date = {2015-03-24}, institution = {Trend Micro}, url = {http://www.trendmicro.it/media/wp/operation-woolen-goldfish-whitepaper-en.pdf}, language = {English}, urldate = {2019-07-09} } Operation Woolen-Goldfish: When Kittens Go Phishing
Ghole Woolger
2015-03-19Trend MicroCedric Pernet, Kenney Lu
@techreport{pernet:20150319:operation:a0443b7, author = {Cedric Pernet and Kenney Lu}, title = {{Operation WOOLEN-GOLDFISH: When Kittens Go Phishing}}, date = {2015-03-19}, institution = {Trend Micro}, url = {https://documents.trendmicro.com/assets/wp/wp-operation-woolen-goldfish.pdf}, language = {English}, urldate = {2022-04-29} } Operation WOOLEN-GOLDFISH: When Kittens Go Phishing
Ghole Woolger
2014-09-04ClearSkyClearSky Research Team
@online{team:20140904:gholee:9f6be42, author = {ClearSky Research Team}, title = {{Gholee – a “protective edge” themed spear phishing campaign}}, date = {2014-09-04}, organization = {ClearSky}, url = {https://www.clearskysec.com/gholee-a-protective-edge-themed-spear-phishing-campaign/}, language = {English}, urldate = {2020-01-10} } Gholee – a “protective edge” themed spear phishing campaign
Ghole
Yara Rules
[TLP:WHITE] win_ghole_auto (20220516 | Detects win.ghole.)
rule win_ghole_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-05-16"
        version = "1"
        description = "Detects win.ghole."
        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.ghole"
        malpedia_rule_date = "20220513"
        malpedia_hash = "7f4b2229e6ae614d86d74917f6d5b41890e62a26"
        malpedia_version = "20220516"
        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 = { 8b45f8 48 89c7 e8???????? b800000000 eb04 48 }
            // n = 7, score = 100
            //   8b45f8               | mov                 eax, dword ptr [ebp - 8]
            //   48                   | dec                 eax
            //   89c7                 | mov                 edi, eax
            //   e8????????           |                     
            //   b800000000           | mov                 eax, 0
            //   eb04                 | jmp                 6
            //   48                   | dec                 eax

        $sequence_1 = { 8b4584 3b45ec 77b6 48 8b15???????? 48 8b45d8 }
            // n = 7, score = 100
            //   8b4584               | mov                 eax, dword ptr [ebp - 0x7c]
            //   3b45ec               | cmp                 eax, dword ptr [ebp - 0x14]
            //   77b6                 | ja                  0xffffffb8
            //   48                   | dec                 eax
            //   8b15????????         |                     
            //   48                   | dec                 eax
            //   8b45d8               | mov                 eax, dword ptr [ebp - 0x28]

        $sequence_2 = { 89e5 48 83ec10 48 897df8 48 837df800 }
            // n = 7, score = 100
            //   89e5                 | mov                 ebp, esp
            //   48                   | dec                 eax
            //   83ec10               | sub                 esp, 0x10
            //   48                   | dec                 eax
            //   897df8               | mov                 dword ptr [ebp - 8], edi
            //   48                   | dec                 eax
            //   837df800             | cmp                 dword ptr [ebp - 8], 0

        $sequence_3 = { 837df800 7507 b800000000 eb69 8b45e4 48 89c7 }
            // n = 7, score = 100
            //   837df800             | cmp                 dword ptr [ebp - 8], 0
            //   7507                 | jne                 9
            //   b800000000           | mov                 eax, 0
            //   eb69                 | jmp                 0x6b
            //   8b45e4               | mov                 eax, dword ptr [ebp - 0x1c]
            //   48                   | dec                 eax
            //   89c7                 | mov                 edi, eax

        $sequence_4 = { 48 8d3dbc6f0000 e8???????? 48 8905???????? 48 8d3508710000 }
            // n = 7, score = 100
            //   48                   | dec                 eax
            //   8d3dbc6f0000         | lea                 edi, [0x6fbc]
            //   e8????????           |                     
            //   48                   | dec                 eax
            //   8905????????         |                     
            //   48                   | dec                 eax
            //   8d3508710000         | lea                 esi, [0x7108]

        $sequence_5 = { 48 8b45e8 48 8b4030 48 85c0 7413 }
            // n = 7, score = 100
            //   48                   | dec                 eax
            //   8b45e8               | mov                 eax, dword ptr [ebp - 0x18]
            //   48                   | dec                 eax
            //   8b4030               | mov                 eax, dword ptr [eax + 0x30]
            //   48                   | dec                 eax
            //   85c0                 | test                eax, eax
            //   7413                 | je                  0x15

        $sequence_6 = { 0f8427010000 837dd000 0f8420010000 48 8b45e0 48 8b00 }
            // n = 7, score = 100
            //   0f8427010000         | je                  0x12d
            //   837dd000             | cmp                 dword ptr [ebp - 0x30], 0
            //   0f8420010000         | je                  0x126
            //   48                   | dec                 eax
            //   8b45e0               | mov                 eax, dword ptr [ebp - 0x20]
            //   48                   | dec                 eax
            //   8b00                 | mov                 eax, dword ptr [eax]

        $sequence_7 = { 897df8 48 8975f0 48 8b45f0 8b00 3dea030000 }
            // n = 7, score = 100
            //   897df8               | mov                 dword ptr [ebp - 8], edi
            //   48                   | dec                 eax
            //   8975f0               | mov                 dword ptr [ebp - 0x10], esi
            //   48                   | dec                 eax
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   3dea030000           | cmp                 eax, 0x3ea

        $sequence_8 = { 63c9 48 81c102040000 48 8954c808 48 8b45f0 }
            // n = 7, score = 100
            //   63c9                 | arpl                cx, cx
            //   48                   | dec                 eax
            //   81c102040000         | add                 ecx, 0x402
            //   48                   | dec                 eax
            //   8954c808             | mov                 dword ptr [eax + ecx*8 + 8], edx
            //   48                   | dec                 eax
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]

        $sequence_9 = { e8???????? e9???????? 83856cffffff01 8b85e0fbffff 39856cffffff 7ca5 8b856cffffff }
            // n = 7, score = 100
            //   e8????????           |                     
            //   e9????????           |                     
            //   83856cffffff01       | add                 dword ptr [ebp - 0x94], 1
            //   8b85e0fbffff         | mov                 eax, dword ptr [ebp - 0x420]
            //   39856cffffff         | cmp                 dword ptr [ebp - 0x94], eax
            //   7ca5                 | jl                  0xffffffa7
            //   8b856cffffff         | mov                 eax, dword ptr [ebp - 0x94]

    condition:
        7 of them and filesize < 622592
}
[TLP:WHITE] win_ghole_w0   (20170517 | Detects a operation Woolen-Goldfish sample - http://goo.gl/NpJpVZ)
rule win_ghole_w0 {
	meta:
		description = "Detects a operation Woolen-Goldfish sample - http://goo.gl/NpJpVZ"
		author = "Florian Roth"
		reference = "http://goo.gl/NpJpVZ"
		date = "2015/03/25"
		score = 90
		hash = "86222ef166474e53f1eb6d7e6701713834e6fee7"
		hash = "e8dbcde49c7f760165ebb0cb3452e4f1c24981f5"
		source = "https://github.com/mattulm/sfiles_yara/blob/master/malware/WoolenGoldfish.yar"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ghole"
        malpedia_version = "20170517"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"
	strings:
		$x1 = "... get header FATAL ERROR !!!  %d bytes read > header_size" fullword ascii
		$x2 = "index.php?c=%S&r=%x&u=1&t=%S" fullword wide
		$x3 = "connect_back_tcp_channel#do_connect:: Error resolving connect back hostname" fullword ascii

		$s0 = "kernel32.dll GetProcAddressLoadLibraryAws2_32.dll" fullword ascii
		$s1 = "Content-Type: multipart/form-data; boundary=%S" fullword wide
		$s2 = "Attempting to unlock uninitialized lock!" fullword ascii
		$s4 = "unable to load kernel32.dll" fullword ascii
		$s5 = "index.php?c=%S&r=%x" fullword wide
		$s6 = "%s len:%d " fullword ascii
		$s7 = "Encountered error sending syscall response to client" fullword ascii
		$s9 = "/info.dat" fullword ascii
		$s10 = "Error entering thread lock" fullword ascii
		$s11 = "Error exiting thread lock" fullword ascii
		$s12 = "connect_back_tcp_channel_init:: socket() failed" fullword ascii
	condition:
		( 1 of ($x*) ) or
		( 8 of ($s*) )
}
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