Analysis

  • max time kernel
    244s
  • max time network
    337s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:41

General

  • Target

    c2a7e31a8b079e69d32b232fd33b9a7b3c530eadd908384c8ba249a0953f3f1a.exe

  • Size

    931KB

  • MD5

    e5803a915597c22c729720b50d72863a

  • SHA1

    56a7fd391a92c373774ccd04a9f83d482bd8adc8

  • SHA256

    c2a7e31a8b079e69d32b232fd33b9a7b3c530eadd908384c8ba249a0953f3f1a

  • SHA512

    951562a7752b4d7447d37f3076df38ed41d38665d1e480426343adf79376bf1f50b2b9840abcf66b84eb000ca30da9d7a0162c5c7b5f18007551b17f1485d8f5

  • SSDEEP

    24576:h1OYdaOuCZ/iWCvu/2sWsJA/jlt+DHhst:h1OsECpYO/dJJDHhst

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.

  • Drops Chrome extension 3 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2a7e31a8b079e69d32b232fd33b9a7b3c530eadd908384c8ba249a0953f3f1a.exe
    "C:\Users\Admin\AppData\Local\Temp\c2a7e31a8b079e69d32b232fd33b9a7b3c530eadd908384c8ba249a0953f3f1a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:584
    • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\5hn0kGPuHOmtj67.exe
      .\5hn0kGPuHOmtj67.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:864

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\5hn0kGPuHOmtj67.dat
    Filesize

    1KB

    MD5

    66308a1da40f44fb01c8290a3cd8e96a

    SHA1

    01967a861d83936ec89fff23e1b86d71c572b5d9

    SHA256

    a7f86373dea8eef0981d99d508910828b3bf6ea4803b4f25d83a0bdebc39cd23

    SHA512

    80b4baa4d7b1f2c44058a0625b649b84bcce8d8353c45e445bf7d3338196e722dd51095b7d9f81b686eeb5a1019b1b0098054846179b144448c38634ebca4abf

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\5hn0kGPuHOmtj67.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\a5gm@Uxk.edu\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\a5gm@Uxk.edu\chrome.manifest
    Filesize

    35B

    MD5

    a51cf9da4a466e9fbde474c406ddf75a

    SHA1

    1b610e0af0b7cc9c737230923932360509d2f517

    SHA256

    f972e6ea085ce4e2518fecc2f3f0d0e6d5a7592ba99c1ec905a3d5b9226fa215

    SHA512

    d354c03acf73f8a9eec7053b60cb34b6fbaa894a7714bc11a242f5094dbd3c21c2c2afb1f293971be088a6ddbaeebd887776d360be8428d02b598b8d469d7f33

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\a5gm@Uxk.edu\content\bg.js
    Filesize

    8KB

    MD5

    2d038096222e63ea677f9388dd21b927

    SHA1

    7ef3f6d802fabd4da85d1775a860d4c2b36fc3a1

    SHA256

    adbd3481f5cda0401b45f379ceb7c989ec3e16c587fdae540298259834d26cc8

    SHA512

    d921c0886ac26be255e7c7df375f42cc30db928501bdc8eb8b9e4f4bb54ad2db6be72dac3434d6bd8eff8da69465146e13d986cf64f6e6e2b75ae512dc1942c8

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\a5gm@Uxk.edu\install.rdf
    Filesize

    594B

    MD5

    19e07b6ff3c40dea3a04f862a030e507

    SHA1

    37fad5ce9235c93e7c8d5dc4182473815505316b

    SHA256

    dc6116b5c4d939a18255f83fbe40c929ccbb806e78501e9aa481d38721a5dd29

    SHA512

    42dc1d3650cbcd21445f6854a5637ef95f8e011592f3516a9ecf79b61e1a62ade9ed22fba8ba207aadb3513d6a4910ef36e9f0f60f1d9e8ee7d41d01abb5b15d

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\gnomhfleapianegiibpfeclcibnhocdl\background.html
    Filesize

    143B

    MD5

    97fdebfe0d784206f63847408fe3f833

    SHA1

    25ce13a40ec126144dc565cc7c0d62e029c06880

    SHA256

    7726dd5ad05e10b43bc45128c82eebfdf610289382ef23858fee2f45932d5a73

    SHA512

    7a3b0131e08afac84d69ca8cab879462b06c120db33b7bbd890b29c3823468ea0111a1d4e6e7c7990c74ee90fa2cec8f292bd2390ce08260bc7fca42a71ecbf8

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\gnomhfleapianegiibpfeclcibnhocdl\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\gnomhfleapianegiibpfeclcibnhocdl\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\gnomhfleapianegiibpfeclcibnhocdl\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS2675.tmp\gnomhfleapianegiibpfeclcibnhocdl\nffrBg.js
    Filesize

    6KB

    MD5

    4e46e10bedf0511b87602051cefe8c19

    SHA1

    90d1c2eac03da2b30939f7591d20be2deb7cdb43

    SHA256

    4889e78c10bec779e19d9da05a637c41e5bbd249347f37ffe181ca762f875964

    SHA512

    0953148a67b22ac3b4f1c0f0dafab982f7bf64c45bf4f264d0395e016dbbf179a758ac9203406ac09a6df57a2a014e6f4674d54ae97551826126d79c54941c80

  • \Users\Admin\AppData\Local\Temp\7zS2675.tmp\5hn0kGPuHOmtj67.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/584-54-0x0000000075671000-0x0000000075673000-memory.dmp
    Filesize

    8KB

  • memory/864-56-0x0000000000000000-mapping.dmp