Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    25-10-2021 05:50

General

  • Target

    67ccd36395c427e6f5ef5a3b7e58967d.exe

  • Size

    164KB

  • MD5

    67ccd36395c427e6f5ef5a3b7e58967d

  • SHA1

    2f67f612f17c57b40aa3c86d5b204a4736ab0fcc

  • SHA256

    90d35407fa3bb7d954c934de5e624cecca0998e9f3ed87823a9f6c127e0a3e37

  • SHA512

    d00fa491d9abf7bf4d9cf678e901ed4ceb4fd343776603f1f35842e9a856405dcdead67f95958335bad3a5f898f87d55a26f62972064e31584566731b6eb515d

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67ccd36395c427e6f5ef5a3b7e58967d.exe
    "C:\Users\Admin\AppData\Local\Temp\67ccd36395c427e6f5ef5a3b7e58967d.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Users\Admin\AppData\Roaming\5298878.exe
      "C:\Users\Admin\AppData\Roaming\5298878.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:608
    • C:\Users\Admin\AppData\Roaming\670296.exe
      "C:\Users\Admin\AppData\Roaming\670296.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Users\Admin\AppData\Roaming\670296.exe
        "C:\Users\Admin\AppData\Roaming\670296.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:976
    • C:\Users\Admin\AppData\Roaming\2395322.exe
      "C:\Users\Admin\AppData\Roaming\2395322.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
        "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
        3⤵
        • Executes dropped EXE
        PID:1696
    • C:\Users\Admin\AppData\Roaming\4620559.exe
      "C:\Users\Admin\AppData\Roaming\4620559.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    MD5

    2a250459150b7623c4bedd1952845712

    SHA1

    5ea5a75acca79a5f1a2f2426f03b2553cd852409

    SHA256

    7f37070543fd89747081607b1a82b52bbdb7a82459f70071fefc0459e4861f02

    SHA512

    12b41549f944f0969311c015a9a395fd42fc2535f27e7323a21e3a81c40fff73ff7289d3d7428dfa02259c65c88ce5762f3853fc21199fd4c64055bd3f649ecf

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    MD5

    b2551205d82cd221ef13dad9be89ee72

    SHA1

    7d2db89d049a409aa69fe321599ffee40eb840fe

    SHA256

    6350503a030616fea4b985d8e8b0d4de3d6e1602e0fb3a1084b13aca44936f96

    SHA512

    d9ac4a9619958560f92afcb68100e000e9e997470c8f067b80ba23a0833d7274ccfbe0d9b612ee839d56e59cfc6ad506f58bcc74c35004bbb0c1af9f197ce204

  • C:\Users\Admin\AppData\Roaming\2395322.exe

    MD5

    a20e32791806c7b29070b95226b0e480

    SHA1

    8f2bac75ffabbe45770076047ded99f243622e5f

    SHA256

    df24005d51e393ed322bbf354c31485dab121ae0a445a754e08bb7912d9cd146

    SHA512

    6cf6b6aa3d4d82e7f202c5a0d3fd9a1085e05dd136e0532702e61de6e9a09b76eb5ec2add7f3a3e926e304aab928bbc639661cf6380133c8e00c387d4e9f2ca0

  • C:\Users\Admin\AppData\Roaming\2395322.exe

    MD5

    a20e32791806c7b29070b95226b0e480

    SHA1

    8f2bac75ffabbe45770076047ded99f243622e5f

    SHA256

    df24005d51e393ed322bbf354c31485dab121ae0a445a754e08bb7912d9cd146

    SHA512

    6cf6b6aa3d4d82e7f202c5a0d3fd9a1085e05dd136e0532702e61de6e9a09b76eb5ec2add7f3a3e926e304aab928bbc639661cf6380133c8e00c387d4e9f2ca0

  • C:\Users\Admin\AppData\Roaming\4620559.exe

    MD5

    90f3928bd5180926ce93a4e3e569bf1d

    SHA1

    3478f1b23478685f29b086ca852dd548e347bcd6

    SHA256

    9393d74240e56e3c75024f8a1489ea7e9020e42f95b91fa978c8c052a7c89bf9

    SHA512

    b76bd2073150eaab731cafeaf651d78c43524d26ca470b07963e95f610ebe4b6e29ff48e03703ca3a86623dec28eda29a71b33f9802dcb6eed5b2a6875a785bd

  • C:\Users\Admin\AppData\Roaming\4620559.exe

    MD5

    90f3928bd5180926ce93a4e3e569bf1d

    SHA1

    3478f1b23478685f29b086ca852dd548e347bcd6

    SHA256

    9393d74240e56e3c75024f8a1489ea7e9020e42f95b91fa978c8c052a7c89bf9

    SHA512

    b76bd2073150eaab731cafeaf651d78c43524d26ca470b07963e95f610ebe4b6e29ff48e03703ca3a86623dec28eda29a71b33f9802dcb6eed5b2a6875a785bd

  • C:\Users\Admin\AppData\Roaming\5298878.exe

    MD5

    0207c7928477e2c228fec203f84994aa

    SHA1

    10a7d436b26b8d5829d290184b4b79619d44655a

    SHA256

    2994f3ca3249c90cf5ab58f4d8ab844d7d4c0e08480e98349d34877af95d9c8e

    SHA512

    ee58284c7b5de5805296a7493e240c364f809cf6ef97e79c2e0c8f01cdac84419f5ae9d306d1cc567c6c0f64a055db48b672ada608d7af6f66ad4177aec0a612

  • C:\Users\Admin\AppData\Roaming\5298878.exe

    MD5

    0207c7928477e2c228fec203f84994aa

    SHA1

    10a7d436b26b8d5829d290184b4b79619d44655a

    SHA256

    2994f3ca3249c90cf5ab58f4d8ab844d7d4c0e08480e98349d34877af95d9c8e

    SHA512

    ee58284c7b5de5805296a7493e240c364f809cf6ef97e79c2e0c8f01cdac84419f5ae9d306d1cc567c6c0f64a055db48b672ada608d7af6f66ad4177aec0a612

  • C:\Users\Admin\AppData\Roaming\670296.exe

    MD5

    f50e41bbe3484ac879b5a7646d0086df

    SHA1

    1ea0eadfb2791ba3c2bfe7f2e61951e769ccc0e8

    SHA256

    ec9a5087c5d52277f50dcd3a7383cfc38b6c793adcc6cfd685fe5ae38b8ae7aa

    SHA512

    4c55d8c4be76dc1e9d5f615a2d141319519eaca916e4954dc9e4947a92c2463db3c492947bf19b852fbe3fbd54285a0ab05644e2cc86b988462c1c35d3ab9c33

  • C:\Users\Admin\AppData\Roaming\670296.exe

    MD5

    f50e41bbe3484ac879b5a7646d0086df

    SHA1

    1ea0eadfb2791ba3c2bfe7f2e61951e769ccc0e8

    SHA256

    ec9a5087c5d52277f50dcd3a7383cfc38b6c793adcc6cfd685fe5ae38b8ae7aa

    SHA512

    4c55d8c4be76dc1e9d5f615a2d141319519eaca916e4954dc9e4947a92c2463db3c492947bf19b852fbe3fbd54285a0ab05644e2cc86b988462c1c35d3ab9c33

  • C:\Users\Admin\AppData\Roaming\670296.exe

    MD5

    f50e41bbe3484ac879b5a7646d0086df

    SHA1

    1ea0eadfb2791ba3c2bfe7f2e61951e769ccc0e8

    SHA256

    ec9a5087c5d52277f50dcd3a7383cfc38b6c793adcc6cfd685fe5ae38b8ae7aa

    SHA512

    4c55d8c4be76dc1e9d5f615a2d141319519eaca916e4954dc9e4947a92c2463db3c492947bf19b852fbe3fbd54285a0ab05644e2cc86b988462c1c35d3ab9c33

  • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe

    MD5

    a20e32791806c7b29070b95226b0e480

    SHA1

    8f2bac75ffabbe45770076047ded99f243622e5f

    SHA256

    df24005d51e393ed322bbf354c31485dab121ae0a445a754e08bb7912d9cd146

    SHA512

    6cf6b6aa3d4d82e7f202c5a0d3fd9a1085e05dd136e0532702e61de6e9a09b76eb5ec2add7f3a3e926e304aab928bbc639661cf6380133c8e00c387d4e9f2ca0

  • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe

    MD5

    a20e32791806c7b29070b95226b0e480

    SHA1

    8f2bac75ffabbe45770076047ded99f243622e5f

    SHA256

    df24005d51e393ed322bbf354c31485dab121ae0a445a754e08bb7912d9cd146

    SHA512

    6cf6b6aa3d4d82e7f202c5a0d3fd9a1085e05dd136e0532702e61de6e9a09b76eb5ec2add7f3a3e926e304aab928bbc639661cf6380133c8e00c387d4e9f2ca0

  • \Users\Admin\AppData\Roaming\2395322.exe

    MD5

    a20e32791806c7b29070b95226b0e480

    SHA1

    8f2bac75ffabbe45770076047ded99f243622e5f

    SHA256

    df24005d51e393ed322bbf354c31485dab121ae0a445a754e08bb7912d9cd146

    SHA512

    6cf6b6aa3d4d82e7f202c5a0d3fd9a1085e05dd136e0532702e61de6e9a09b76eb5ec2add7f3a3e926e304aab928bbc639661cf6380133c8e00c387d4e9f2ca0

  • \Users\Admin\AppData\Roaming\4620559.exe

    MD5

    90f3928bd5180926ce93a4e3e569bf1d

    SHA1

    3478f1b23478685f29b086ca852dd548e347bcd6

    SHA256

    9393d74240e56e3c75024f8a1489ea7e9020e42f95b91fa978c8c052a7c89bf9

    SHA512

    b76bd2073150eaab731cafeaf651d78c43524d26ca470b07963e95f610ebe4b6e29ff48e03703ca3a86623dec28eda29a71b33f9802dcb6eed5b2a6875a785bd

  • \Users\Admin\AppData\Roaming\5298878.exe

    MD5

    0207c7928477e2c228fec203f84994aa

    SHA1

    10a7d436b26b8d5829d290184b4b79619d44655a

    SHA256

    2994f3ca3249c90cf5ab58f4d8ab844d7d4c0e08480e98349d34877af95d9c8e

    SHA512

    ee58284c7b5de5805296a7493e240c364f809cf6ef97e79c2e0c8f01cdac84419f5ae9d306d1cc567c6c0f64a055db48b672ada608d7af6f66ad4177aec0a612

  • \Users\Admin\AppData\Roaming\670296.exe

    MD5

    f50e41bbe3484ac879b5a7646d0086df

    SHA1

    1ea0eadfb2791ba3c2bfe7f2e61951e769ccc0e8

    SHA256

    ec9a5087c5d52277f50dcd3a7383cfc38b6c793adcc6cfd685fe5ae38b8ae7aa

    SHA512

    4c55d8c4be76dc1e9d5f615a2d141319519eaca916e4954dc9e4947a92c2463db3c492947bf19b852fbe3fbd54285a0ab05644e2cc86b988462c1c35d3ab9c33

  • \Users\Admin\AppData\Roaming\670296.exe

    MD5

    f50e41bbe3484ac879b5a7646d0086df

    SHA1

    1ea0eadfb2791ba3c2bfe7f2e61951e769ccc0e8

    SHA256

    ec9a5087c5d52277f50dcd3a7383cfc38b6c793adcc6cfd685fe5ae38b8ae7aa

    SHA512

    4c55d8c4be76dc1e9d5f615a2d141319519eaca916e4954dc9e4947a92c2463db3c492947bf19b852fbe3fbd54285a0ab05644e2cc86b988462c1c35d3ab9c33

  • \Users\Admin\AppData\Roaming\WinHost\WinHoster.exe

    MD5

    a20e32791806c7b29070b95226b0e480

    SHA1

    8f2bac75ffabbe45770076047ded99f243622e5f

    SHA256

    df24005d51e393ed322bbf354c31485dab121ae0a445a754e08bb7912d9cd146

    SHA512

    6cf6b6aa3d4d82e7f202c5a0d3fd9a1085e05dd136e0532702e61de6e9a09b76eb5ec2add7f3a3e926e304aab928bbc639661cf6380133c8e00c387d4e9f2ca0

  • memory/608-70-0x0000000004B30000-0x0000000004B31000-memory.dmp

    Filesize

    4KB

  • memory/608-60-0x0000000000000000-mapping.dmp

  • memory/608-63-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

    Filesize

    4KB

  • memory/608-65-0x0000000000340000-0x0000000000365000-memory.dmp

    Filesize

    148KB

  • memory/964-78-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/964-75-0x0000000001100000-0x0000000001101000-memory.dmp

    Filesize

    4KB

  • memory/964-72-0x0000000000000000-mapping.dmp

  • memory/964-94-0x00000000049C0000-0x00000000049C1000-memory.dmp

    Filesize

    4KB

  • memory/976-110-0x0000000000810000-0x000000000083D000-memory.dmp

    Filesize

    180KB

  • memory/976-115-0x0000000002073000-0x0000000002074000-memory.dmp

    Filesize

    4KB

  • memory/976-104-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/976-113-0x0000000002071000-0x0000000002072000-memory.dmp

    Filesize

    4KB

  • memory/976-111-0x0000000002040000-0x000000000206B000-memory.dmp

    Filesize

    172KB

  • memory/976-105-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/976-103-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/976-107-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/976-114-0x0000000002072000-0x0000000002073000-memory.dmp

    Filesize

    4KB

  • memory/976-112-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/976-116-0x0000000002074000-0x0000000002076000-memory.dmp

    Filesize

    8KB

  • memory/976-108-0x000000000040CD2F-mapping.dmp

  • memory/976-106-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/976-102-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/1116-58-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/1116-57-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/1116-55-0x0000000000E80000-0x0000000000E81000-memory.dmp

    Filesize

    4KB

  • memory/1532-67-0x0000000000000000-mapping.dmp

  • memory/1532-100-0x0000000000161000-0x0000000000162000-memory.dmp

    Filesize

    4KB

  • memory/1532-99-0x00000000005A0000-0x00000000005A1000-memory.dmp

    Filesize

    4KB

  • memory/1532-93-0x0000000000160000-0x0000000000161000-memory.dmp

    Filesize

    4KB

  • memory/1532-77-0x0000000076231000-0x0000000076233000-memory.dmp

    Filesize

    8KB

  • memory/1696-96-0x0000000004B10000-0x0000000004B11000-memory.dmp

    Filesize

    4KB

  • memory/1696-90-0x0000000000950000-0x0000000000951000-memory.dmp

    Filesize

    4KB

  • memory/1696-87-0x0000000000000000-mapping.dmp

  • memory/1892-95-0x0000000004930000-0x0000000004931000-memory.dmp

    Filesize

    4KB

  • memory/1892-85-0x0000000000680000-0x00000000006A5000-memory.dmp

    Filesize

    148KB

  • memory/1892-83-0x0000000000800000-0x0000000000801000-memory.dmp

    Filesize

    4KB

  • memory/1892-80-0x0000000000000000-mapping.dmp