SYMBOLCOMMON_NAMEaka. SYNONYMS
win.lookback (Back to overview)

Lookback

Actor(s): TA410


There is no description at this point.

References
2021-04-26DragosDragos
@online{dragos:20210426:new:19b4a05, author = {Dragos}, title = {{New ICS Threat Activity Group: TALONITE}}, date = {2021-04-26}, organization = {Dragos}, url = {https://www.dragos.com/blog/industry-news/new-ics-threat-activity-group-talonite/}, language = {English}, urldate = {2021-05-04} } New ICS Threat Activity Group: TALONITE
FlowCloud Lookback
2021-01-04nao_sec blognao_sec
@online{naosec:20210104:royal:041b9d3, author = {nao_sec}, title = {{Royal Road! Re:Dive}}, date = {2021-01-04}, organization = {nao_sec blog}, url = {https://nao-sec.org/2021/01/royal-road-redive.html}, language = {English}, urldate = {2021-01-05} } Royal Road! Re:Dive
8.t Dropper Chinoxy FlowCloud FunnyDream Lookback
2020-12-24IronNetAdam Hlavek
@online{hlavek:20201224:china:723bed3, author = {Adam Hlavek}, title = {{China cyber attacks: the current threat landscape}}, date = {2020-12-24}, organization = {IronNet}, url = {https://www.ironnet.com/blog/china-cyber-attacks-the-current-threat-landscape}, language = {English}, urldate = {2021-01-01} } China cyber attacks: the current threat landscape
PLEAD TSCookie FlowCloud Lookback PLEAD PlugX Quasar RAT Winnti
2020-06-08ProofpointMichael Raggi, Dennis Schwarz, Georgi Mladenov, Proofpoint Threat Research Team
@online{raggi:20200608:ta410:f838522, author = {Michael Raggi and Dennis Schwarz and Georgi Mladenov and Proofpoint Threat Research Team}, title = {{TA410: The Group Behind LookBack Attacks Against U.S. Utilities Sector Returns with New Malware}}, date = {2020-06-08}, organization = {Proofpoint}, url = {https://www.proofpoint.com/us/blog/threat-insight/ta410-group-behind-lookback-attacks-against-us-utilities-sector-returns-new}, language = {English}, urldate = {2020-06-09} } TA410: The Group Behind LookBack Attacks Against U.S. Utilities Sector Returns with New Malware
FlowCloud Lookback TA410
2020-01DragosJoe Slowik
@techreport{slowik:202001:threat:d891011, author = {Joe Slowik}, title = {{Threat Intelligence and the Limits of Malware Analysis}}, date = {2020-01}, institution = {Dragos}, url = {https://pylos.co/wp-content/uploads/2020/02/Threat-Intelligence-and-the-Limits-of-Malware-Analysis.pdf}, language = {English}, urldate = {2020-06-10} } Threat Intelligence and the Limits of Malware Analysis
Exaramel Exaramel Industroyer Lookback NjRAT PlugX
2019-09-22ProofpointMichael Raggi, Proofpoint Threat Insight Team
@online{raggi:20190922:lookback:51454f7, author = {Michael Raggi and Proofpoint Threat Insight Team}, title = {{LookBack Forges Ahead: Continued Targeting of the United States’ Utilities Sector Reveals Additional Adversary TTPs}}, date = {2019-09-22}, organization = {Proofpoint}, url = {https://www.proofpoint.com/us/threat-insight/post/lookback-forges-ahead-continued-targeting-united-states-utilities-sector-reveals}, language = {English}, urldate = {2019-12-20} } LookBack Forges Ahead: Continued Targeting of the United States’ Utilities Sector Reveals Additional Adversary TTPs
Lookback TA410
2019-08-21ThreatgenPascal Ackerman
@online{ackerman:20190821:taking:3b8daac, author = {Pascal Ackerman}, title = {{Taking a Closer Look at the LookBack Malware Campaign – Part 1}}, date = {2019-08-21}, organization = {Threatgen}, url = {https://threatgen.com/taking-a-closer-look-at-the-lookback-malware-campaign-part-1/}, language = {English}, urldate = {2020-01-13} } Taking a Closer Look at the LookBack Malware Campaign – Part 1
Lookback
2019-08-01ProofpointMichael Raggi, Dennis Schwarz, Proofpoint Threat Insight Team
@online{raggi:20190801:lookback:f258db4, author = {Michael Raggi and Dennis Schwarz and Proofpoint Threat Insight Team}, title = {{LookBack Malware Targets the United States Utilities Sector with Phishing Attacks Impersonating Engineering Licensing Boards}}, date = {2019-08-01}, organization = {Proofpoint}, url = {https://www.proofpoint.com/us/threat-insight/post/lookback-malware-targets-united-states-utilities-sector-phishing-attacks}, language = {English}, urldate = {2019-12-20} } LookBack Malware Targets the United States Utilities Sector with Phishing Attacks Impersonating Engineering Licensing Boards
GUP Proxy Tool Lookback TA410
Yara Rules
[TLP:WHITE] win_lookback_auto (20211008 | Detects win.lookback.)
rule win_lookback_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-10-07"
        version = "1"
        description = "Detects win.lookback."
        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.lookback"
        malpedia_rule_date = "20211007"
        malpedia_hash = "e5b790e0f888f252d49063a1251ca60ec2832535"
        malpedia_version = "20211008"
        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 = { 3bef 7511 8b4810 3bcf 0f8493010000 }
            // n = 5, score = 200
            //   3bef                 | cmp                 ebp, edi
            //   7511                 | jne                 0x13
            //   8b4810               | mov                 ecx, dword ptr [eax + 0x10]
            //   3bcf                 | cmp                 ecx, edi
            //   0f8493010000         | je                  0x199

        $sequence_1 = { 817c240c1c010000 7515 8bbc2438020000 b947000000 8db42414010000 f3a5 5f }
            // n = 7, score = 200
            //   817c240c1c010000     | cmp                 dword ptr [esp + 0xc], 0x11c
            //   7515                 | jne                 0x17
            //   8bbc2438020000       | mov                 edi, dword ptr [esp + 0x238]
            //   b947000000           | mov                 ecx, 0x47
            //   8db42414010000       | lea                 esi, dword ptr [esp + 0x114]
            //   f3a5                 | rep movsd           dword ptr es:[edi], dword ptr [esi]
            //   5f                   | pop                 edi

        $sequence_2 = { 8bc8 6a01 83e103 6a02 f3a4 ff15???????? 53 }
            // n = 7, score = 200
            //   8bc8                 | mov                 ecx, eax
            //   6a01                 | push                1
            //   83e103               | and                 ecx, 3
            //   6a02                 | push                2
            //   f3a4                 | rep movsb           byte ptr es:[edi], byte ptr [esi]
            //   ff15????????         |                     
            //   53                   | push                ebx

        $sequence_3 = { 50 ff15???????? 893d???????? 8b0d???????? }
            // n = 4, score = 200
            //   50                   | push                eax
            //   ff15????????         |                     
            //   893d????????         |                     
            //   8b0d????????         |                     

        $sequence_4 = { 8a1c38 33ca 8a542410 8a8c0c20010000 }
            // n = 4, score = 200
            //   8a1c38               | mov                 bl, byte ptr [eax + edi]
            //   33ca                 | xor                 ecx, edx
            //   8a542410             | mov                 dl, byte ptr [esp + 0x10]
            //   8a8c0c20010000       | mov                 cl, byte ptr [esp + ecx + 0x120]

        $sequence_5 = { 56 32d2 8a8c041c010000 8bf0 }
            // n = 4, score = 200
            //   56                   | push                esi
            //   32d2                 | xor                 dl, dl
            //   8a8c041c010000       | mov                 cl, byte ptr [esp + eax + 0x11c]
            //   8bf0                 | mov                 esi, eax

        $sequence_6 = { 8bc8 6a01 83e103 6a02 f3a4 ff15???????? }
            // n = 6, score = 200
            //   8bc8                 | mov                 ecx, eax
            //   6a01                 | push                1
            //   83e103               | and                 ecx, 3
            //   6a02                 | push                2
            //   f3a4                 | rep movsb           byte ptr es:[edi], byte ptr [esi]
            //   ff15????????         |                     

        $sequence_7 = { 3bc7 744a 83f8ff 7445 8b0d???????? 6aff }
            // n = 6, score = 200
            //   3bc7                 | cmp                 eax, edi
            //   744a                 | je                  0x4c
            //   83f8ff               | cmp                 eax, -1
            //   7445                 | je                  0x47
            //   8b0d????????         |                     
            //   6aff                 | push                -1

        $sequence_8 = { 7477 a1???????? 50 ff15???????? }
            // n = 4, score = 200
            //   7477                 | je                  0x79
            //   a1????????           |                     
            //   50                   | push                eax
            //   ff15????????         |                     

        $sequence_9 = { 8bbc2434020000 83c9ff f2ae f7d1 }
            // n = 4, score = 200
            //   8bbc2434020000       | mov                 edi, dword ptr [esp + 0x234]
            //   83c9ff               | or                  ecx, 0xffffffff
            //   f2ae                 | repne scasb         al, byte ptr es:[edi]
            //   f7d1                 | not                 ecx

    condition:
        7 of them and filesize < 131072
}
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