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Overview

overview

7

Static

static

3

2024-08-05...er.exe

windows7-x64

7

2024-08-05...er.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 08:04 UTC

Sharing

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Report Analysis Logs

General

  • Target

    2024-08-05_e2740195eb66661ce9be122dba36457e_cryptolocker.exe

  • Size

    44KB

  • MD5

    e2740195eb66661ce9be122dba36457e

  • SHA1

    49c9cc1e175837b4b3f00445da654940e7487f4f

  • SHA256

    c4e640ff45a2a11291ad997d639ae68ace8ada20404305da77a29adcf7f603ab

  • SHA512

    c265952c468bf1a119d45c90524de44ad9d7953587e31c6b3c110190a46bce5d2b188712b7e0b175448b70e892024db143e2b3a603aa5f825d90d1530cd50669

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95WJY:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFd

Score
7/10
discovery

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-05_e2740195eb66661ce9be122dba36457e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-05_e2740195eb66661ce9be122dba36457e_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3500

Network

  • flag-us
    DNS
    emrlogistics.com
    asih.exe
    Remote address:
    8.8.8.8:53
    Request
    emrlogistics.com
    IN A
    Response
    emrlogistics.com
    IN CNAME
    traff-3.hugedomains.com
    traff-3.hugedomains.com
    IN CNAME
    hdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.com
    hdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.com
    IN A
    3.19.116.195
    hdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.com
    IN A
    3.18.7.81
  • flag-us
    DNS
    g.bing.com
    Remote address:
    8.8.8.8:53
    Request
    g.bing.com
    IN A
    Response
    g.bing.com
    IN CNAME
    g-bing-com.dual-a-0034.a-msedge.net
    g-bing-com.dual-a-0034.a-msedge.net
    IN CNAME
    dual-a-0034.a-msedge.net
    dual-a-0034.a-msedge.net
    IN A
    204.79.197.237
    dual-a-0034.a-msedge.net
    IN A
    13.107.21.237
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
    Remote address:
    204.79.197.237:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    set-cookie: MUID=3495C4566BB46CAA110DD0846A936D4E; domain=.bing.com; expires=Sat, 30-Aug-2025 08:04:45 GMT; path=/; SameSite=None; Secure; Priority=High;
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
    x-msedge-ref: Ref A: F19883507FEE4DBFB5489ECCCA24F836 Ref B: LON04EDGE0611 Ref C: 2024-08-05T08:04:45Z
    date: Mon, 05 Aug 2024 08:04:44 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
    Remote address:
    204.79.197.237:443
    Request
    GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=3495C4566BB46CAA110DD0846A936D4E
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    set-cookie: MSPTC=TxYmpDpLZA6HwPc0bTYjoF78gvCRd4DSdrvvaQpFVE8; domain=.bing.com; expires=Sat, 30-Aug-2025 08:04:45 GMT; path=/; Partitioned; secure; SameSite=None
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
    x-msedge-ref: Ref A: 5C059A706A154B5B96A01DD7415BC4D5 Ref B: LON04EDGE0611 Ref C: 2024-08-05T08:04:45Z
    date: Mon, 05 Aug 2024 08:04:44 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
    Remote address:
    204.79.197.237:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=3495C4566BB46CAA110DD0846A936D4E; MSPTC=TxYmpDpLZA6HwPc0bTYjoF78gvCRd4DSdrvvaQpFVE8
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
    x-msedge-ref: Ref A: B9FECC138E754A8D915C7CE57A2DEA13 Ref B: LON04EDGE0611 Ref C: 2024-08-05T08:04:45Z
    date: Mon, 05 Aug 2024 08:04:44 GMT
  • flag-us
    DNS
    8.8.8.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    8.8.8.8.in-addr.arpa
    IN PTR
    Response
    8.8.8.8.in-addr.arpa
    IN PTR
    dnsgoogle
  • flag-us
    DNS
    237.197.79.204.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    237.197.79.204.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    71.159.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    71.159.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    172.214.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.214.232.199.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    205.47.74.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    205.47.74.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    50.23.12.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    50.23.12.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    216.142.123.92.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    216.142.123.92.in-addr.arpa
    IN PTR
    Response
    216.142.123.92.in-addr.arpa
    IN PTR
    a92-123-142-216deploystaticakamaitechnologiescom
  • 3.19.116.195:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 204.79.197.237:443
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
    tls, http2
    2.0kB
     9.3kB
     22
    18

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=c6caeef9fd65495b87ddfaeaf63d6353&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=

    HTTP Response

    204
  • 3.18.7.81:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.19.116.195:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.18.7.81:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.19.116.195:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.18.7.81:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.19.116.195:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.18.7.81:443
    emrlogistics.com
    asih.exe
    104 B
     2
  • 8.8.8.8:53
    emrlogistics.com
    dns
    asih.exe
    62 B
     192 B
     1
    1

    DNS Request

    emrlogistics.com

    DNS Response

    3.19.116.195
    3.18.7.81

  • 8.8.8.8:53
    g.bing.com
    dns
    56 B
     151 B
     1
    1

    DNS Request

    g.bing.com

    DNS Response

    204.79.197.237
    13.107.21.237

  • 8.8.8.8:53
    8.8.8.8.in-addr.arpa
    dns
    66 B
     90 B
     1
    1

    DNS Request

    8.8.8.8.in-addr.arpa

  • 8.8.8.8:53
    237.197.79.204.in-addr.arpa
    dns
    73 B
     143 B
     1
    1

    DNS Request

    237.197.79.204.in-addr.arpa

  • 8.8.8.8:53
    71.159.190.20.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    71.159.190.20.in-addr.arpa

  • 8.8.8.8:53
    172.214.232.199.in-addr.arpa
    dns
    74 B
     128 B
     1
    1

    DNS Request

    172.214.232.199.in-addr.arpa

  • 8.8.8.8:53
    205.47.74.20.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    205.47.74.20.in-addr.arpa

  • 8.8.8.8:53
    50.23.12.20.in-addr.arpa
    dns
    70 B
     156 B
     1
    1

    DNS Request

    50.23.12.20.in-addr.arpa

  • 8.8.8.8:53
    198.187.3.20.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    198.187.3.20.in-addr.arpa

  • 8.8.8.8:53
    216.142.123.92.in-addr.arpa
    dns
    73 B
     139 B
     1
    1

    DNS Request

    216.142.123.92.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\asih.exe
    Filesize

    44KB

    MD5

    8932e0a0fbe944690a0cbb5ca2d67588

    SHA1

    45b996cba2d45c8d71de35ac9c75cded467bc8ea

    SHA256

    0fbceebd3e0b332be234208c3947b4a5bdd9e9396292d2e3a18b25175c4c6f2b

    SHA512

    c0436e08ca75be01ce575c53b74da95403dc56b9ce7fc93656998910167995f36481eb519975f479e43e23cfea62e361eb2bae1f8ea604a5f30c8536edfbcbcc

    Download Submit

  • memory/3500-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/3500-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/4544-0-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

    Download

  • memory/4544-1-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

    Download

  • memory/4544-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

    Download

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