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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 13:37

General

  • Target

    1a3fff3e26bd9d1634b1e27123576c5c.exe

  • Size

    538KB

  • MD5

    1a3fff3e26bd9d1634b1e27123576c5c

  • SHA1

    aba56eeeae441aa83bfcad9cc746c6a2d3abd2a3

  • SHA256

    5edf6f4273da64e87333a5459096e61d1940cc6682758e3393326e9aeb587a17

  • SHA512

    d6d8a471961b50ad76cdf8a540ffaa8d14bffc44c869a2a88eaed1086d963a04eccb2e35fcbd4f28f3ceb9042f42a9930f08e339f76b796e8fe5de1324408299

  • SSDEEP

    12288:TKViCKF/zV7/6imRO30ywotkrggTyKWazv7eAMM90:TyiCiwiV30yF2rgsRzv7vMM90

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 19 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a3fff3e26bd9d1634b1e27123576c5c.exe
    "C:\Users\Admin\AppData\Local\Temp\1a3fff3e26bd9d1634b1e27123576c5c.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    PID:2168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ish240603750\bootstrap_45282.html

    Filesize

    156B

    MD5

    1ea9e5b417811379e874ad4870d5c51a

    SHA1

    a4bd01f828454f3619a815dbe5423b181ec4051c

    SHA256

    f076773a6e3ae0f1cee3c69232779a1aaaf05202db472040c0c8ea4a70af173a

    SHA512

    965c10d2aa5312602153338da873e8866d2782e0cf633befe5a552b770e08abf47a4d2e007cdef7010c212ebcb9fefea5610c41c7ed1553440eaeab7ddd72daa

  • C:\Users\Admin\AppData\Local\Temp\ish240603750\css\buttons.css

    Filesize

    1KB

    MD5

    f03b9fcc0266083e3230b560e77a9793

    SHA1

    c3110a2cc7c003c37b9cdb77f57dbd39bc7ae35b

    SHA256

    dc5536ce2007fbe3f9640900af3598378bd5072cdd221d7772bdf25e90961236

    SHA512

    6c6c8b924362d24ce7d238a166910b697638fcc4e798684c46191d405ae333a62d7036108aad0816018ca451ebca982a2a95b8795add51a9c3dabc7cf2280959

  • C:\Users\Admin\AppData\Local\Temp\ish240603750\css\main.css

    Filesize

    3KB

    MD5

    a57feadde7e5a4d66d498841fe67f10b

    SHA1

    8f2d54747f7e34b16311e435448a32cf23e6abd1

    SHA256

    105b507c81b860c617312b3a0371db669a08210351a4d63f390b52b46abf0b40

    SHA512

    98caddc50e87d1ea43be9c1355c1f116872e341cd28392a6130d027b72db1fff7cde10b7124942bfe750198c3b39df14937ec2ea19a529ec7d06b964ac68c422

  • C:\Users\Admin\AppData\Local\Temp\ish240603750\css\sdk-ui\browse.css

    Filesize

    318B

    MD5

    10c359bc980927bb66b215407ece3e66

    SHA1

    4a2fc034bf7b4e84d832b6bbd9413d2055b9ec62

    SHA256

    5b12769a75d1c755a284a73e1b8422f73d6223c23b72e5bce698c17f50185aa8

    SHA512

    ed707c6bbf5023aa147571d9d186e8348b11da6fb462de69e4135480f2e10081c416c80745411752797401660221e2040e624b5a6d3e1a57ba59cdcc009eb16c

  • C:\Users\Admin\AppData\Local\Temp\ish240603750\css\sdk-ui\button.css

    Filesize

    417B

    MD5

    37e1ff96e084ec201f0d95feef4d5e94

    SHA1

    4ec405f2668d5d93260525ad916abafa2414cb72

    SHA256

    8e806f5b94fc294e918503c8053ef1284e4f4b1e02c7da4f4635e33ec33e0534

    SHA512

    1a8a27a92abe35edaa2c950b130579c92f0d0d87b09971843c39569cf06d407b8e896751e73452676bfad45a363f0b6dd00cb6c5faf33966880539e106b19f94

  • C:\Users\Admin\AppData\Local\Temp\ish240603750\css\sdk-ui\checkbox.css

    Filesize

    190B

    MD5

    64773c6b0e3413c81aebc46cce8c9318

    SHA1

    50f84ef8331341b48981af82313b146863eba526

    SHA256

    b09504c1bf0486d3ec46500592b178a3a6c39284672af8815c3687cc3d29560d

    SHA512

    03e96bef74c0b3a31124c3d3c1bb78af1053a8719ca373c6b9316d63bac9545c1f4ecc2d747eb64341d8da31bc0f23da094e19c3e07ed46f65c28dc88e13bd3a

  • C:\Users\Admin\AppData\Local\Temp\ish240603750\css\sdk-ui\progress-bar.css

    Filesize

    501B

    MD5

    5ccd1d0dc39bb6ae4cd6b58f0b310eb0

    SHA1

    da659b6a37b18c26a8f7342f93c03fe649ab6344

    SHA256

    65246150423f8ef670f831b5a2ce1e924adc90e3bfbcce41e9fedbd1df8d27ff

    SHA512

    02f8eca06c0b8e69268c6aa1487ecf3a9024bce9ce757f2ac1b961df421d9121762f5f5abd5d00228f3a7416b2f21adb3a675114b32263b02fdfee9e0bd48781

  • C:\Users\Admin\AppData\Local\Temp\ish240603750\images\progress-bg.png

    Filesize

    2KB

    MD5

    32a6846fe53388eb03be3ada2221297f

    SHA1

    1c1baec7b7fe7a420ccf68d3112384b44f8ba89e

    SHA256

    5c6d20c98c106bc6df49447b9939a90ba6a5e3c20d89ca0621677a7501bdb127

    SHA512

    79c4f3a72467b61c27d6e93415bae3fc61a9fde62aae4202ba8ed1de6328f5facc48092bfe57db70338a0a4b50f571d501eed04aed8b047d20aa28ee7446ce98

  • memory/2168-158-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-164-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-3-0x0000000000720000-0x0000000000721000-memory.dmp

    Filesize

    4KB

  • memory/2168-2-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-157-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-0-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-159-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-160-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-161-0x0000000000720000-0x0000000000721000-memory.dmp

    Filesize

    4KB

  • memory/2168-162-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-163-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-1-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-166-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-167-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-168-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-169-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-170-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-171-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-172-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-173-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-174-0x0000000000400000-0x0000000000514000-memory.dmp

    Filesize

    1.1MB