win.qadars (Back to overview)

Qadars


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References
2017-02-22 ⋅ PhishLabsRaashid Bhat
@online{bhat:20170222:dissecting:8124914, author = {Raashid Bhat}, title = {{Dissecting the Qadars Banking Trojan}}, date = {2017-02-22}, organization = {PhishLabs}, url = {https://info.phishlabs.com/blog/dissecting-the-qadars-banking-trojan}, language = {English}, urldate = {2019-12-20} } Dissecting the Qadars Banking Trojan
Qadars
2016-09-20 ⋅ SecurityIntelligenceLimor Kessem, Hanan Natan, Denis Laskov
@online{kessem:20160920:meanwhile:7b7a093, author = {Limor Kessem and Hanan Natan and Denis Laskov}, title = {{Meanwhile in Britain, Qadars v3 Hardens Evasion, Targets 18 UK Banks}}, date = {2016-09-20}, organization = {SecurityIntelligence}, url = {https://securityintelligence.com/meanwhile-britain-qadars-v3-hardens-evasion-targets-18-uk-banks/}, language = {English}, urldate = {2019-12-17} } Meanwhile in Britain, Qadars v3 Hardens Evasion, Targets 18 UK Banks
Qadars
2016-04-12 ⋅ Johannes Bader
@online{bader:20160412:dga:469d85e, author = {Johannes Bader}, title = {{The DGA of Qadars v3}}, date = {2016-04-12}, url = {https://www.johannesbader.ch/2016/04/the-dga-of-qadars/}, language = {English}, urldate = {2019-07-11} } The DGA of Qadars v3
Qadars
2015-07-23 ⋅ SecurityIntelligenceIgor Aronov
@online{aronov:20150723:analysis:0162f34, author = {Igor Aronov}, title = {{An Analysis of the Qadars Banking Trojan}}, date = {2015-07-23}, organization = {SecurityIntelligence}, url = {https://securityintelligence.com/an-analysis-of-the-qadars-trojan/}, language = {English}, urldate = {2020-01-10} } An Analysis of the Qadars Banking Trojan
Qadars
2013-12-18 ⋅ ESET ResearchJean-Ian Boutin
@online{boutin:20131218:qadars:98a9a63, author = {Jean-Ian Boutin}, title = {{Qadars – a banking Trojan with the Netherlands in its sights}}, date = {2013-12-18}, organization = {ESET Research}, url = {https://www.welivesecurity.com/2013/12/18/qadars-a-banking-trojan-with-the-netherlands-in-its-sights/}, language = {English}, urldate = {2019-11-14} } Qadars – a banking Trojan with the Netherlands in its sights
Qadars
Yara Rules
[TLP:WHITE] win_qadars_auto (20190204 | autogenerated rule brought to you by yara-signator)
rule win_qadars_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2019-11-26"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator 0.1a"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.qadars"
        malpedia_version = "20190204"
        malpedia_license = "CC BY-NC-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 will be published in the near future 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 = { 33f6 8d642400 8b4d10 8b09 }
            // n = 4, score = 500
            //   33f6                 | xor                 esi, esi
            //   8d642400             | lea                 esp, [esp]
            //   8b4d10               | mov                 ecx, dword ptr [ebp + 0x10]
            //   8b09                 | mov                 ecx, dword ptr [ecx]

        $sequence_1 = { 8bce c1e905 3bcf 7204 33db eb08 8b7dec }
            // n = 7, score = 500
            //   8bce                 | mov                 ecx, esi
            //   c1e905               | shr                 ecx, 5
            //   3bcf                 | cmp                 ecx, edi
            //   7204                 | jb                  6
            //   33db                 | xor                 ebx, ebx
            //   eb08                 | jmp                 0xa
            //   8b7dec               | mov                 edi, dword ptr [ebp - 0x14]

        $sequence_2 = { 85d2 7418 8b780c 3bfe 7709 }
            // n = 5, score = 500
            //   85d2                 | test                edx, edx
            //   7418                 | je                  0x1a
            //   8b780c               | mov                 edi, dword ptr [eax + 0xc]
            //   3bfe                 | cmp                 edi, esi
            //   7709                 | ja                  0xb

        $sequence_3 = { e8???????? 8b7dfc 8bf0 83c404 50 }
            // n = 5, score = 500
            //   e8????????           |                     
            //   8b7dfc               | mov                 edi, dword ptr [ebp - 4]
            //   8bf0                 | mov                 esi, eax
            //   83c404               | add                 esp, 4
            //   50                   | push                eax

        $sequence_4 = { 83c404 3bc1 740d 894804 8908 894808 89480c }
            // n = 7, score = 500
            //   83c404               | add                 esp, 4
            //   3bc1                 | cmp                 eax, ecx
            //   740d                 | je                  0xf
            //   894804               | mov                 dword ptr [eax + 4], ecx
            //   8908                 | mov                 dword ptr [eax], ecx
            //   894808               | mov                 dword ptr [eax + 8], ecx
            //   89480c               | mov                 dword ptr [eax + 0xc], ecx

        $sequence_5 = { e8???????? 803d?????????? 7504 33c0 }
            // n = 4, score = 500
            //   e8????????           |                     
            //   803d??????????       |                     
            //   7504                 | jne                 6
            //   33c0                 | xor                 eax, eax

        $sequence_6 = { 46 83fe03 72e4 c705???????????????? 85ff 75b1 }
            // n = 6, score = 500
            //   46                   | inc                 esi
            //   83fe03               | cmp                 esi, 3
            //   72e4                 | jb                  0xffffffe6
            //   c705????????????????     |     
            //   85ff                 | test                edi, edi
            //   75b1                 | jne                 0xffffffb3

        $sequence_7 = { 7219 85c0 75c3 5e 5f 33c0 }
            // n = 6, score = 500
            //   7219                 | jb                  0x1b
            //   85c0                 | test                eax, eax
            //   75c3                 | jne                 0xffffffc5
            //   5e                   | pop                 esi
            //   5f                   | pop                 edi
            //   33c0                 | xor                 eax, eax

        $sequence_8 = { 6a00 8d4df4 51 6a04 8d55f8 52 }
            // n = 6, score = 400
            //   6a00                 | push                0
            //   8d4df4               | lea                 ecx, [ebp - 0xc]
            //   51                   | push                ecx
            //   6a04                 | push                4
            //   8d55f8               | lea                 edx, [ebp - 8]
            //   52                   | push                edx

        $sequence_9 = { 6a01 6a08 ff15???????? 83c408 }
            // n = 4, score = 300
            //   6a01                 | push                1
            //   6a08                 | push                8
            //   ff15????????         |                     
            //   83c408               | add                 esp, 8

        $sequence_10 = { 83c40c 6805010000 8d8df8feffff 51 }
            // n = 4, score = 300
            //   83c40c               | add                 esp, 0xc
            //   6805010000           | push                0x105
            //   8d8df8feffff         | lea                 ecx, [ebp - 0x108]
            //   51                   | push                ecx

        $sequence_11 = { 51 8b55f0 52 ff15???????? 83c40c }
            // n = 5, score = 300
            //   51                   | push                ecx
            //   8b55f0               | mov                 edx, dword ptr [ebp - 0x10]
            //   52                   | push                edx
            //   ff15????????         |                     
            //   83c40c               | add                 esp, 0xc

        $sequence_12 = { 52 ff15???????? 83c408 a3???????? }
            // n = 4, score = 300
            //   52                   | push                edx
            //   ff15????????         |                     
            //   83c408               | add                 esp, 8
            //   a3????????           |                     

        $sequence_13 = { e8???????? 8b4d0c 8b5510 8b4104 334204 8945fc }
            // n = 6, score = 100
            //   e8????????           |                     
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   8b5510               | mov                 edx, dword ptr [ebp + 0x10]
            //   8b4104               | mov                 eax, dword ptr [ecx + 4]
            //   334204               | xor                 eax, dword ptr [edx + 4]
            //   8945fc               | mov                 dword ptr [ebp - 4], eax

        $sequence_14 = { 895020 8b450c 8b4d0c 8b512c 895028 8b450c }
            // n = 6, score = 100
            //   895020               | mov                 dword ptr [eax + 0x20], edx
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   8b512c               | mov                 edx, dword ptr [ecx + 0x2c]
            //   895028               | mov                 dword ptr [eax + 0x28], edx
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]

        $sequence_15 = { c70000000000 c78558ffffff9c000000 8d8d58ffffff 51 }
            // n = 4, score = 100
            //   c70000000000         | mov                 dword ptr [eax], 0
            //   c78558ffffff9c000000     | mov    dword ptr [ebp - 0xa8], 0x9c
            //   8d8d58ffffff         | lea                 ecx, [ebp - 0xa8]
            //   51                   | push                ecx

    condition:
        7 of them
}
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