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 (20210616 | Detects win.lookback.)
rule win_lookback_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-06-10"
        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 = "20210604"
        malpedia_hash = "be09d5d71e77373c0f538068be31a2ad4c69cfbd"
        malpedia_version = "20210616"
        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 = { 8b54241c 33c0 668b0469 8b0482 03c7 5f }
            // n = 6, score = 200
            //   8b54241c             | mov                 edx, dword ptr [esp + 0x1c]
            //   33c0                 | xor                 eax, eax
            //   668b0469             | mov                 ax, word ptr [ecx + ebp*2]
            //   8b0482               | mov                 eax, dword ptr [edx + eax*4]
            //   03c7                 | add                 eax, edi
            //   5f                   | pop                 edi

        $sequence_1 = { 33c0 894c2406 89442412 894c240a }
            // n = 4, score = 200
            //   33c0                 | xor                 eax, eax
            //   894c2406             | mov                 dword ptr [esp + 6], ecx
            //   89442412             | mov                 dword ptr [esp + 0x12], eax
            //   894c240a             | mov                 dword ptr [esp + 0xa], ecx

        $sequence_2 = { 8b08 894d00 668b5004 66895504 53 e8???????? 83c404 }
            // n = 7, score = 200
            //   8b08                 | mov                 ecx, dword ptr [eax]
            //   894d00               | mov                 dword ptr [ebp], ecx
            //   668b5004             | mov                 dx, word ptr [eax + 4]
            //   66895504             | mov                 word ptr [ebp + 4], dx
            //   53                   | push                ebx
            //   e8????????           |                     
            //   83c404               | add                 esp, 4

        $sequence_3 = { 50 ffd3 393d???????? 75af eb24 8b0d???????? }
            // n = 6, score = 200
            //   50                   | push                eax
            //   ffd3                 | call                ebx
            //   393d????????         |                     
            //   75af                 | jne                 0xffffffb1
            //   eb24                 | jmp                 0x26
            //   8b0d????????         |                     

        $sequence_4 = { 66894c2416 89442422 8bfa 83c9ff f2ae }
            // n = 5, score = 200
            //   66894c2416           | mov                 word ptr [esp + 0x16], cx
            //   89442422             | mov                 dword ptr [esp + 0x22], eax
            //   8bfa                 | mov                 edi, edx
            //   83c9ff               | or                  ecx, 0xffffffff
            //   f2ae                 | repne scasb         al, byte ptr es:[edi]

        $sequence_5 = { c644240800 88442415 e8???????? 8d4c240c 89442408 51 }
            // n = 6, score = 200
            //   c644240800           | mov                 byte ptr [esp + 8], 0
            //   88442415             | mov                 byte ptr [esp + 0x15], al
            //   e8????????           |                     
            //   8d4c240c             | lea                 ecx, dword ptr [esp + 0xc]
            //   89442408             | mov                 dword ptr [esp + 8], eax
            //   51                   | push                ecx

        $sequence_6 = { 89742424 e8???????? 8bce 8bd8 8bd1 33c0 }
            // n = 6, score = 200
            //   89742424             | mov                 dword ptr [esp + 0x24], esi
            //   e8????????           |                     
            //   8bce                 | mov                 ecx, esi
            //   8bd8                 | mov                 ebx, eax
            //   8bd1                 | mov                 edx, ecx
            //   33c0                 | xor                 eax, eax

        $sequence_7 = { 889c041b010000 880e 72bc 8bac2424070000 }
            // n = 4, score = 200
            //   889c041b010000       | mov                 byte ptr [esp + eax + 0x11b], bl
            //   880e                 | mov                 byte ptr [esi], cl
            //   72bc                 | jb                  0xffffffbe
            //   8bac2424070000       | mov                 ebp, dword ptr [esp + 0x724]

        $sequence_8 = { 83c420 c3 5f 33c0 5b }
            // n = 5, score = 200
            //   83c420               | add                 esp, 0x20
            //   c3                   | ret                 
            //   5f                   | pop                 edi
            //   33c0                 | xor                 eax, eax
            //   5b                   | pop                 ebx

        $sequence_9 = { 668b4b06 3be9 7cd0 5f 5e }
            // n = 5, score = 200
            //   668b4b06             | mov                 cx, word ptr [ebx + 6]
            //   3be9                 | cmp                 ebp, ecx
            //   7cd0                 | jl                  0xffffffd2
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi

    condition:
        7 of them and filesize < 131072
}
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