Analysis

  • max time kernel
    152s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 23:54

General

  • Target
    7c1f039df425efc16a7d57fe75e9c3538224b75fdc0467c573491694f47fce4c.exe
  • Size 90KB
  • Sample240611-3ya6pswejf
  • SHA256 7c1f039df425efc16a7d57fe75e9c3538224b75fdc0467c573491694f47fce4c
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (2074) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX dump on OEP (original entry point) 57 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 57 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c1f039df425efc16a7d57fe75e9c3538224b75fdc0467c573491694f47fce4c.exe
    "C:\Users\Admin\AppData\Local\Temp\7c1f039df425efc16a7d57fe75e9c3538224b75fdc0467c573491694f47fce4c.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:5108
    • C:\Users\Admin\AppData\Local\Temp\_263.exe
      "_263.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4904
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4104
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3676

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          desktop.ini.tmp

          • Path C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini.tmp
          • Size 45KB
          • SHA256 fcac3d33995c08702010c3438bbfbe81787244e33298bb99e87bcb305c5e3152
          • MD5 SHA1 SHA512 SSDEEP

          7-zip.chm.tmp

          • Path C:\Program Files\7-Zip\7-zip.chm.tmp
          • Size 158KB
          • SHA256 af3e416dbd305049923e6783586109cf13d2d76015eb1d0e3e7c1f557b1b65ef
          • MD5 SHA1 SHA512 SSDEEP

          7-zip.dll.tmp

          • Path C:\Program Files\7-Zip\7-zip.dll.tmp
          • Size 144KB
          • SHA256 cb9878ef76031eae69634fbfdc9ad61a1e9c9d111b1857103d9b220c6c3ad80f
          • MD5 SHA1 SHA512 SSDEEP

          7-zip32.dll.tmp

          • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
          • Size 110KB
          • SHA256 372e821a074915fc2a41418c15ce4d16a9ac3dc5dab4b86a8cbfc9748c87992a
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll.tmp

          • Path C:\Program Files\7-Zip\7z.dll.tmp
          • Size 1.8MB
          • SHA256 1c4e9b9892a3a461981348edfe74152f9a073655a5537f7f1d32a075fec6970d
          • MD5 SHA1 SHA512 SSDEEP

          az.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
          • Size 54KB
          • SHA256 32501407b399e8915e33f9495d57d9fc8889160219e890d6171d31a3853bbe36
          • MD5 SHA1 SHA512 SSDEEP

          bg.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
          • Size 58KB
          • SHA256 866439e31259f04046632bfd19bfb604c0f4c9d0b3379502a9e8b3d467c5bae2
          • MD5 SHA1 SHA512 SSDEEP

          bn.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
          • Size 44KB
          • SHA256 bb2d6c25f24d6ef4d1c699826ee01cc84c593d7995354b0ae8250a874cc637fc
          • MD5 SHA1 SHA512 SSDEEP

          br.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
          • Size 50KB
          • SHA256 727d4353d99083859cca779b4d2c4d8512c4afecbaebe42f9e147ffc7d3c8083
          • MD5 SHA1 SHA512 SSDEEP

          ca.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
          • Size 54KB
          • SHA256 3546e2d5336db11541f40d7e64cecdf75d0b534a37625de8a0e01712cf6ea9bb
          • MD5 SHA1 SHA512 SSDEEP

          co.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
          • Size 56KB
          • SHA256 f4fd7c7eca0a143f2378738a6f63f58b25ad3f5aabeb2f801f4fba03d96b0f4c
          • MD5 SHA1 SHA512 SSDEEP

          cs.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
          • Size 54KB
          • SHA256 678d0350bbc39ac34caa0a035f35ccbbc9698a33a8d857ca0eb30a10d428eaa2
          • MD5 SHA1 SHA512 SSDEEP

          cy.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
          • Size 50KB
          • SHA256 e1a1df4b8aae85ee7cde62ec34c5dd29ed0cb3de401c852e509d0cbcc5e140ad
          • MD5 SHA1 SHA512 SSDEEP

          da.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
          • Size 53KB
          • SHA256 8537653421ac6a24c068df47eaf074f37254a4659ed9dea53aef43790bd7ef25
          • MD5 SHA1 SHA512 SSDEEP

          en.ttt.tmp

          • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
          • Size 52KB
          • SHA256 9fb329b8040aebd3fed64f348d249e66f44a4aa5546be840f7f57c9a718c9145
          • MD5 SHA1 SHA512 SSDEEP

          eu.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
          • Size 54KB
          • SHA256 e331f28a2a9a131cb478173154f63c9941e9be5e818cfc56d72feea7090bb0b3
          • MD5 SHA1 SHA512 SSDEEP

          ext.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
          • Size 53KB
          • SHA256 99de2bbce8bcb4186531afd1866b343a7618c171539b13f6c2e311b70ecb24d2
          • MD5 SHA1 SHA512 SSDEEP

          fa.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
          • Size 59KB
          • SHA256 552163aa8b565940d9438a25eb998df185058349c08826f16be637156db5e4e3
          • MD5 SHA1 SHA512 SSDEEP

          fi.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
          • Size 54KB
          • SHA256 433c0f3ecd65047d2757630901b0f6c0f822c10384d056db638b7a8babb4fe3a
          • MD5 SHA1 SHA512 SSDEEP

          fr.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
          • Size 55KB
          • SHA256 eb5f11b091a17eee75e0bfafd86a1dc252e4cfb72d088023dc52f4951546ef0c
          • MD5 SHA1 SHA512 SSDEEP

          fur.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
          • Size 52KB
          • SHA256 d0276f980ce33faf387cc03dd83077943337fc1fbe2b60e7356f72d91f3fed34
          • MD5 SHA1 SHA512 SSDEEP

          fy.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
          • Size 51KB
          • SHA256 32af104860b207379359cd55e3d0c96f8c55b95b67863bd73aadf1e71445d93a
          • MD5 SHA1 SHA512 SSDEEP

          ga.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
          • Size 53KB
          • SHA256 3446b2fd5a2fb189a7d89be21d726c21239895f03f805f1653a23f14404f3897
          • MD5 SHA1 SHA512 SSDEEP

          gl.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
          • Size 54KB
          • SHA256 0d95d2a66805823667cff22e6b6e5b18d697e5da5dfbadf253343cbcd6ec7369
          • MD5 SHA1 SHA512 SSDEEP

          he.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
          • Size 56KB
          • SHA256 6cad0444b3ae28df405a316a8af73265af238ad612cc3a396da0ac8a5110d1dd
          • MD5 SHA1 SHA512 SSDEEP

          hi.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
          • Size 62KB
          • SHA256 cdc7b31429adb791ffd9e43f923156b9f27d26c1e2b768e99a434ab57b674a7a
          • MD5 SHA1 SHA512 SSDEEP

          hu.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
          • Size 55KB
          • SHA256 700e54a5c8eb0eea25f21e3fdaedec2b1255483f0e621cf40f6277799ed263e6
          • MD5 SHA1 SHA512 SSDEEP

          hy.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
          • Size 59KB
          • SHA256 41d6c23bc2f8c52bbb3ffb42f7fcc08df2f736c5096d66f616470ad40d936e61
          • MD5 SHA1 SHA512 SSDEEP

          id.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
          • Size 54KB
          • SHA256 e0e7fb02f3cff86c38053b2399cf2fc0b35373343ef3d9400159dc634b6d2347
          • MD5 SHA1 SHA512 SSDEEP

          io.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
          • Size 55KB
          • SHA256 d09d7301463beb9e816507ae4bee0cfecfb2c0cba292173761364ab3666ed51d
          • MD5 SHA1 SHA512 SSDEEP

          is.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
          • Size 54KB
          • SHA256 d264bc936135b4ed425ffc02c9486e9c73a95f42845ecb4de29ff843578fefd5
          • MD5 SHA1 SHA512 SSDEEP

          it.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
          • Size 54KB
          • SHA256 3057ae94bd774fac322231024a124a46c5fda3b34554e3fdb808d8433852457c
          • MD5 SHA1 SHA512 SSDEEP

          ja.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
          • Size 57KB
          • SHA256 60244f20a3b1fab50a102628441f6d2ec71a6280ff69a7eacdce1cd650a7be5b
          • MD5 SHA1 SHA512 SSDEEP

          ka.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
          • Size 63KB
          • SHA256 a1fd70ae1b6f062c878a69444dd13eb07be7a29486e0bdd79d98fcc886585591
          • MD5 SHA1 SHA512 SSDEEP

          kab.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
          • Size 53KB
          • SHA256 f0e09949ef5f65af290d823bcfe79b7960dcedea2ef749f7c94417f864ab3dff
          • MD5 SHA1 SHA512 SSDEEP

          kk.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
          • Size 55KB
          • SHA256 cc7440e8d7f4826d5b9c865efe1067632ecd8221940ffad9afa872f3ffb97559
          • MD5 SHA1 SHA512 SSDEEP

          ku-ckb.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
          • Size 57KB
          • SHA256 354bcfc33f9d5ad887ae941f13a6fce858e3ccba521d653da4cca56df7ca01b0
          • MD5 SHA1 SHA512 SSDEEP

          ky.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
          • Size 57KB
          • SHA256 682758357c0b15934fded63319333ffff28b725f9ee8af305f0e6c4e2a067c3a
          • MD5 SHA1 SHA512 SSDEEP

          lt.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
          • Size 54KB
          • SHA256 eb06c53c0eef2229bdeeb6010cd192685fe0bea0e574253025a07e23efd40f07
          • MD5 SHA1 SHA512 SSDEEP

          mk.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
          • Size 53KB
          • SHA256 a99e92dd37cad92d089ed05bc6057bf76d5cfdf9308190c12c3921ad7759d365
          • MD5 SHA1 SHA512 SSDEEP

          mn.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
          • Size 53KB
          • SHA256 99c96e732052250f5634bc51e280dcd8298ac923801229bdd5ee32646a1c5425
          • MD5 SHA1 SHA512 SSDEEP

          mng.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
          • Size 65KB
          • SHA256 90b163b846935995cda4ed6ce39c8785ed09a0ecfaba0e74674089b2741d22aa
          • MD5 SHA1 SHA512 SSDEEP

          mng2.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
          • Size 66KB
          • SHA256 f18527a5a234360b67c66a6ed5e698344cac236a3f1834ae2e323599863042aa
          • MD5 SHA1 SHA512 SSDEEP

          mr.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
          • Size 55KB
          • SHA256 9a4bd9d7da5bb209142df18deb76105b763a52ae9c365d80e1367a357d34dc99
          • MD5 SHA1 SHA512 SSDEEP

          ne.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
          • Size 58KB
          • SHA256 c98e7afdc82f0ad6332d321fc163a30216216e8daa64760610fb7da25b6a2e59
          • MD5 SHA1 SHA512 SSDEEP

          pa-in.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
          • Size 59KB
          • SHA256 2b839ba8028b0f1319bb761b378721fd8012f2d93c398808dfb77bfa30e55892
          • MD5 SHA1 SHA512 SSDEEP

          pl.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
          • Size 55KB
          • SHA256 1f04eacc8822bb598b028085a485f5b3327ca4c9dd67ca1e5e7142cb6bcbdf66
          • MD5 SHA1 SHA512 SSDEEP

          ps.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ps.txt.tmp
          • Size 53KB
          • SHA256 cf84cd240a2edb651f4e2d5d2d04f2544af3e89eb769293e96ee5ac4fb15da43
          • MD5 SHA1 SHA512 SSDEEP

          pt-br.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
          • Size 55KB
          • SHA256 1f0f199340d37caaa6297168bb375f4e6deafcaf78b94c28187b95b42ab38971
          • MD5 SHA1 SHA512 SSDEEP

          _263.exe

          • Path C:\Users\Admin\AppData\Local\Temp\_263.exe
          • Size 45KB
          • SHA256 7bc42416307ebd48013fe78a461e45c42c76accdc935d087fbc120494c54ec50
          • MD5 SHA1 SHA512 SSDEEP

          Zombie.exe

          • Path C:\Windows\SysWOW64\Zombie.exe
          • Size 45KB
          • SHA256 7fe14b61df0603f8057c5f7dcbc28fc7e55e0b7a2c2d95ca88f124e2b82d24ab
          • MD5 SHA1 SHA512 SSDEEP

          libsmartscreen.dll.tmp

          • Path C:\libsmartscreen.dll.tmp
          • Size 45KB
          • SHA256 cb0be76acf0253b7499bc795a4af17f5d56c8150ed00ad1d5af2748adfa9f35d
          • MD5 SHA1 SHA512 SSDEEP

          config.xml.exe

          • Path C:\odt\config.xml.exe
          • Size 46KB
          • SHA256 7a66351718a0765b3f8a0ac6fcfdba93a691b08db049b82a6372f138d04b7447
          • MD5 SHA1 SHA512 SSDEEP

          office2016setup.exe.tmp

          • Path C:\odt\office2016setup.exe.tmp
          • Size 1.4MB
          • SHA256 42b60069d091a73440eb040e2fb45477d76e4a8c320046994544a8ec55ad5661
          • MD5 SHA1 SHA512 SSDEEP

          office2016setup.exe.tmp

          • Path C:\odt\office2016setup.exe.tmp
          • Size 5.1MB
          • SHA256 8e61ce1c0152e8147f6f16c98c3cb9ee132ab3869e675edf5fa46be56303c4d4
          • MD5 SHA1 SHA512 SSDEEP

          memory/5108-0-0x0000000000400000-0x000000000040A000-memory.dmp

          memory/5108-460-0x0000000000400000-0x000000000040A000-memory.dmp