Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 13:28

General

  • Target

    1a4c273cfa7cf5f321445ac4a200044a_JaffaCakes118.exe

  • Size

    315KB

  • MD5

    1a4c273cfa7cf5f321445ac4a200044a

  • SHA1

    bc58669735823b21fa56230a3687759d01f7de32

  • SHA256

    db3517d4ff73532b95a142e3ebaf454df5dc06c9aad7f0798444ad29e91787b5

  • SHA512

    3942eeec73374c13f50c68e8843b00d25de81deaa5ff383bab9e6df2c1a6a2afc16ba903f54106a2b5b45e9df35ee3dc05c74faefe783d6e03994521c56b7177

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4sUZRlwx+P2TSMIkZBGwipHh3:91OgLda3ZbwM2WMFd0B3

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a4c273cfa7cf5f321445ac4a200044a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1a4c273cfa7cf5f321445ac4a200044a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:3660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\DownloadnSave\uninstall.exe

    Filesize

    46KB

    MD5

    2628f4240552cc3b2ba04ee51078ae0c

    SHA1

    5b0cca662149240d1fd4354beac1338e97e334ea

    SHA256

    03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

    SHA512

    6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    f04cd11736e479df4cb8ef976379d01b

    SHA1

    914405be776bdd75f5a42070829c72b52b6c8d9c

    SHA256

    aa2baed3d096ac819d2cdbb8c2fd40dbd6bc1e83ad0a1eb84f55440c52263f05

    SHA512

    33a6e97da59b53ad9f49d9e919a5f8555fac0e8bd156fe513559d562d67c24620bfb3bbb61fa205dd5a49e9f1ae134b8348dfa5a36e208d38c916a5c7a93d365

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    679c6c85edb3b5dbe0e10d92abd1636b

    SHA1

    dec953d3ab18d3d37983e1bfa778ea745b255dc0

    SHA256

    129386486f2ab49372759edea73253c6d43ebaeac5a1ee920eca5678a8c9628a

    SHA512

    990772ef0c3cc10f3f6979145edfd6a1c7aff8d0235d5a4d60679fa9affeba9174bf9f1b8195092c36bd8174b0639fdc2ef0f3ba86bec8f7fde1a1cff708000d

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    7bb35dc58e897144f306be4a788c5f53

    SHA1

    8da7bb822a0a8eeca67c7d28881dde96fbad2c97

    SHA256

    c7fdb479e4ba5b1d1d886a2ead35b86ca9d71dc8aaeb904178c0341da9a26945

    SHA512

    59073412c82f3a8794dc9c8efa477a72bc3ca5f25b154b3fe28830fa6821bace2de01a5eaae4945ce59f7fcc62f4cca4238ef1aa69e564d826e476df0b71337c

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    824dac720ec0b611da89c8340c2a6db6

    SHA1

    ce49281050ff1670ce2fcfe03f18032f9b866f46

    SHA256

    2f8f82ec554e524d84324c507ed7cca19387e109721912eb99331c7bb84a2ff6

    SHA512

    b6e973811d2073ecc74e687b4927660a2067cff909395253ce5d1cc56b5b0f57cb91daca7f1f09b736f50e0f39434881040876faad16fb5796d0d772d7d48069

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    1282c764106127c565ee7e714e45ede3

    SHA1

    6d00938c4bda14d068464aba401bf7e4d3f1ba7e

    SHA256

    c0f67d3fb58bc97150cfd7b795aa4e394ca0ce5843f78f498f12c5f6a98aa5f2

    SHA512

    207454fbc0f9fc1cba05f8d6bf6907fcc8008ea1b85cc51e0c12c3bcd971bab7923c97603ebd22c811b5c7860137698653843facd9048f8a11b5650000a934bb

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    b8408642b1d951ab4425346631a666b1

    SHA1

    83b9ef14394c0b3caabfaeb504f37ce0d56e7b21

    SHA256

    3f109b29b6aeecddc0ad2159ee7e96fea6c3476437d9a789d5025a8dd7ef236e

    SHA512

    79d93444625568b086ff0eb6cc6d0535f29bc5637ed49d8dac553bc66e82bb2fcc63f45e5595eb2c519d3e703d0b298e9ba86f441fc66dec520f4d79131a4778

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    d3593498e667aef969631ef8d0e587cf

    SHA1

    4ace2de69a9a7f32182fb450d024b0366c346255

    SHA256

    e695c01afd0cbd21a97fa9e66d581256344de7ab0bb617cd65cae9942011c43c

    SHA512

    64ad99d8b2e363973fd2552bf65c29d643193d92f9055722cd63d080c917d18e3377a81610c277f96afa7513524234defcd99d36b68bc8457d7375ab1cf5480c

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\[email protected]\install.rdf

    Filesize

    683B

    MD5

    7e3c935db1d44373dc763ee1ec028030

    SHA1

    30ac9507b88de522dcf8b63df64fdb5b55a84c0c

    SHA256

    71bf90807efdfb839c761d4cf93d4973998c06c76cc69b81b619231efcd17407

    SHA512

    b7af678450a474795fe6b5d79f7f6386fbc715311e00da13afffae10bdcb681853db10cce5edbb5803ccec4312aeb4253c746345cbcc522e0160e7f6f3161ad3

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\background.html

    Filesize

    5KB

    MD5

    7c5803b920f026796395e16c539086c2

    SHA1

    8f2948aaccdb39da4877331e161aab1ed3cc5d5b

    SHA256

    4d265ae6a624b7c6cab3cf068722a8e23a5c033443546ddf6ffe29f0f4802947

    SHA512

    54590030ef1cf4465d5e411a9d756ea9b8e5c7729b8bba63faba13c908d4cb47901bab00db23e15c0b45d7acdefbd0ac81ec9d8694d136397b82609d0d17438a

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\content.js

    Filesize

    387B

    MD5

    b7cb4be52dcf2452006dd36de32b222a

    SHA1

    987b37152c723d5579bde4cfe99932aad27032ba

    SHA256

    a8ada678d44cf66b2f8c0ca6c9131ac529bc9660560eae8e2b38fead8f974d9b

    SHA512

    ae44b4ed718e02c3a5013e69901b261e869935a015986b89862a2dc1999b7861fd628bfe238dd9a39d1b6fc2605c05a94a05037d7be24929acef0d0cc493f5ae

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\dpgkoeinjnkgcieloaioiohencfcjjjc.crx

    Filesize

    37KB

    MD5

    f376e23f8248ada1e545ad5ce2acd285

    SHA1

    06e3448be410ee6ffb7066fc901d46867e8ba6db

    SHA256

    7a6d3beb11a42c911e8e1254de196be0048acb1c84f2fed5a252e2e29734cd30

    SHA512

    ebc331d768ddcde743367b4f13397da5d4c531f8646195e3e9ae5411fdb7d44cb8d0f2c52087ca9177d56a74a90ae5c8b8d506dce3fd75766d602a5ee8212fde

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\settings.ini

    Filesize

    618B

    MD5

    2895576129d5e014ac77ac0e25865246

    SHA1

    5c363540e1416c9793c4ee0f12b41c27163ff5c9

    SHA256

    e2eb38fd27501f3ae7defaeb3668575968f1162cc2708c15ac642cdf4fb22c8c

    SHA512

    06a9f0a7077b0f1e7f98d4dcc02f267fcfece3d5cf0c5da63c5dffe092f52d25ceab93511af1389fedfa33ab715ff9307507f1ae149a07289c4042eb002231c9

  • C:\Users\Admin\AppData\Local\Temp\7zS413F.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b