Analysis

  • max time kernel
    133s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-05-2024 15:16

General

  • Target

    b3b20879435d7d70a86da573a957fcb3.exe

  • Size

    15.2MB

  • MD5

    b3b20879435d7d70a86da573a957fcb3

  • SHA1

    bd2f12135c006bc472f4b1df3b6262015c58d84b

  • SHA256

    30d995dc0ef6dfcba441aa7dd0fea9f0b06b45761e41262ebd28985b07b531bf

  • SHA512

    eba24fa9b458b084f131a7f546d8ad0758f06ea87ac151265826f07de642bf3f8cf991cf39421b82de272720e4ce6c90fc190266d34ace6cd6efdd1a3eef37ef

  • SSDEEP

    393216:TCvQ2nevfp3uEJWQsUcR4NzK1+TtIirvB5IjWqkzw:z2evB3uEYQFS1QtIo3ILr

Malware Config

Extracted

Family

redline

Botnet

Raijin, Mybestdog

C2

51.195.53.197:13914

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 12 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
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3b20879435d7d70a86da573a957fcb3.exe
    "C:\Users\Admin\AppData\Local\Temp\b3b20879435d7d70a86da573a957fcb3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Users\Admin\AppData\Local\Temp\b3b20879435d7d70a86da573a957fcb3.exe
      "C:\Users\Admin\AppData\Local\Temp\b3b20879435d7d70a86da573a957fcb3.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Users\Admin\AppData\Local\Temp\tmpfg55j6ni\exe1.exe
        C:\Users\Admin\AppData\Local\Temp\tmpfg55j6ni\exe1.exe
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2152
      • C:\Users\Admin\AppData\Local\Temp\tmpfg55j6ni\exe2.exe
        C:\Users\Admin\AppData\Local\Temp\tmpfg55j6ni\exe2.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4444

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp6050.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\VCRUNTIME140.dll
    Filesize

    116KB

    MD5

    be8dbe2dc77ebe7f88f910c61aec691a

    SHA1

    a19f08bb2b1c1de5bb61daf9f2304531321e0e40

    SHA256

    4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83

    SHA512

    0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\_bz2.pyd
    Filesize

    82KB

    MD5

    59d60a559c23202beb622021af29e8a9

    SHA1

    a405f23916833f1b882f37bdbba2dd799f93ea32

    SHA256

    706d4a0c26dd454538926cbb2ff6c64257c3d9bd48c956f7cabd6def36ffd13e

    SHA512

    2f60e79603cf456b2a14b8254cec75ce8be0a28d55a874d4fb23d92d63bbe781ed823ab0f4d13a23dc60c4df505cbf1dbe1a0a2049b02e4bdec8d374898002b1

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\_cffi_backend.cp312-win_amd64.pyd
    Filesize

    178KB

    MD5

    0572b13646141d0b1a5718e35549577c

    SHA1

    eeb40363c1f456c1c612d3c7e4923210eae4cdf7

    SHA256

    d8a76d1e31bbd62a482dea9115fc1a109cb39af4cf6d1323409175f3c93113a7

    SHA512

    67c28432ca8b389acc26e47eb8c4977fddd4af9214819f89df07fecbc8ed750d5f35807a1b195508dd1d77e2a7a9d7265049dcfbfe7665a7fd1ba45da1e4e842

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\_decimal.pyd
    Filesize

    246KB

    MD5

    f930b7550574446a015bc602d59b0948

    SHA1

    4ee6ff8019c6c540525bdd2790fc76385cdd6186

    SHA256

    3b9ad1d2bc9ec03d37da86135853dac73b3fe851b164fe52265564a81eb8c544

    SHA512

    10b864975945d6504433554f9ff11b47218caa00f809c6bce00f9e4089b862190a4219f659697a4ba5e5c21edbe1d8d325950921e09371acc4410469bd9189ee

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\_hashlib.pyd
    Filesize

    64KB

    MD5

    b0262bd89a59a3699bfa75c4dcc3ee06

    SHA1

    eb658849c646a26572dea7f6bfc042cb62fb49dc

    SHA256

    4adfbbd6366d9b55d902fc54d2b42e7c8c989a83016ed707bd7a302fc3fc7b67

    SHA512

    2e4b214de3b306e3a16124af434ff8f5ab832aa3eeb1aa0aa9b49b0ada0928dcbb05c57909292fbe3b01126f4cd3fe0dac9cc15eaea5f3844d6e267865b9f7b1

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\_lzma.pyd
    Filesize

    155KB

    MD5

    b71dbe0f137ffbda6c3a89d5bcbf1017

    SHA1

    a2e2bdc40fdb83cc625c5b5e8a336ca3f0c29c5f

    SHA256

    6216173194b29875e84963cd4dc4752f7ca9493f5b1fd7e4130ca0e411c8ac6a

    SHA512

    9a5c7b1e25d8e1b5738f01aedfd468c1837f1ac8dd4a5b1d24ce86dcae0db1c5b20f2ff4280960bc523aee70b71db54fd515047cdaf10d21a8bec3ebd6663358

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\_socket.pyd
    Filesize

    81KB

    MD5

    9c6283cc17f9d86106b706ec4ea77356

    SHA1

    af4f2f52ce6122f340e5ea1f021f98b1ffd6d5b6

    SHA256

    5cc62aac52edf87916deb4ebbad9abb58a6a3565b32e7544f672aca305c38027

    SHA512

    11fd6f570dd78f8ff00be645e47472a96daffa3253e8bd29183bccde3f0746f7e436a106e9a68c57cc05b80a112365441d06cc719d51c906703b428a32c93124

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\base_library.zip
    Filesize

    1.3MB

    MD5

    630153ac2b37b16b8c5b0dbb69a3b9d6

    SHA1

    f901cd701fe081489b45d18157b4a15c83943d9d

    SHA256

    ec4e6b8e9f6f1f4b525af72d3a6827807c7a81978cb03db5767028ebea283be2

    SHA512

    7e3a434c8df80d32e66036d831cbd6661641c0898bd0838a07038b460261bf25b72a626def06d0faa692caf64412ca699b1fa7a848fe9d969756e097cba39e41

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\cryptography\hazmat\bindings\_rust.pyd
    Filesize

    6.9MB

    MD5

    b364cecdba4b73c71116781b1c38d40f

    SHA1

    59ef6f46bd3f2ec17e78df8ee426d4648836255a

    SHA256

    10d009a3c97bf908961a19b4aaddc298d32959acc64bedf9d2a7f24c0261605b

    SHA512

    999c2da8e046c9f4103385c7d7dbb3bfdac883b6292dca9d67b36830b593f55ac14d6091eb15a41416c0bd65ac3d4a4a2b84f50d13906d36ed5574b275773ce7

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\libcrypto-3.dll
    Filesize

    5.0MB

    MD5

    e547cf6d296a88f5b1c352c116df7c0c

    SHA1

    cafa14e0367f7c13ad140fd556f10f320a039783

    SHA256

    05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de

    SHA512

    9f42edf04c7af350a00fa4fdf92b8e2e6f47ab9d2d41491985b20cd0adde4f694253399f6a88f4bdd765c4f49792f25fb01e84ec03fd5d0be8bb61773d77d74d

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\python3.dll
    Filesize

    66KB

    MD5

    6271a2fe61978ca93e60588b6b63deb2

    SHA1

    be26455750789083865fe91e2b7a1ba1b457efb8

    SHA256

    a59487ea2c8723277f4579067248836b216a801c2152efb19afee4ac9785d6fb

    SHA512

    8c32bcb500a94ff47f5ef476ae65d3b677938ebee26e80350f28604aaee20b044a5d55442e94a11ccd9962f34d22610b932ac9d328197cf4d2ffbc7df640efba

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\python312.dll
    Filesize

    6.7MB

    MD5

    550288a078dffc3430c08da888e70810

    SHA1

    01b1d31f37fb3fd81d893cc5e4a258e976f5884f

    SHA256

    789a42ac160cef98f8925cb347473eeeb4e70f5513242e7faba5139ba06edf2d

    SHA512

    7244432fc3716f7ef27630d4e8fbc8180a2542aa97a01d44dca260ab43966dd8ac98b6023400b0478a4809aace1a128f1f4d6e544f2e591a5b436fd4c8a9d723

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\select.pyd
    Filesize

    29KB

    MD5

    8a273f518973801f3c63d92ad726ec03

    SHA1

    069fc26b9bd0f6ea3f9b3821ad7c812fd94b021f

    SHA256

    af358285a7450de6e2e5e7ff074f964d6a257fb41d9eb750146e03c7dda503ca

    SHA512

    7fedae0573ecb3946ede7d0b809a98acad3d4c95d6c531a40e51a31bdb035badc9f416d8aaa26463784ff2c5e7a0cc2c793d62b5fdb2b8e9fad357f93d3a65f8

  • C:\Users\Admin\AppData\Local\Temp\_MEI43162\unicodedata.pyd
    Filesize

    1.1MB

    MD5

    04f35d7eec1f6b72bab9daf330fd0d6b

    SHA1

    ecf0c25ba7adf7624109e2720f2b5930cd2dba65

    SHA256

    be942308d99cc954931fe6f48ed8cc7a57891ccbe99aae728121bcda1fd929ab

    SHA512

    3da405e4c1371f4b265e744229dcc149491a112a2b7ea8e518d5945f8c259cad15583f25592b35ec8a344e43007ae00da9673822635ee734d32664f65c9c8d9b

  • C:\Users\Admin\AppData\Local\Temp\tmpfg55j6ni\exe1.exe
    Filesize

    304KB

    MD5

    e6782ed1205228282be440748bcc649f

    SHA1

    c2feb672ee2c8356fbcffd56da8a2ebea4d11f5b

    SHA256

    bf1cb0316f29ccc9c9d2607ce2206eb50e3300e23b7f147e7b731f4a0e54cfd6

    SHA512

    0d5dfa0668b0d511e037a9ffb48c95e16cf2d4ceb44120ae23c9ad48683677f8e41667cb6acd76438e18ba085ccff369a34b58cecd5e428eb522ab83012c03b6

  • C:\Users\Admin\AppData\Local\Temp\tmpfg55j6ni\exe2.exe
    Filesize

    3.7MB

    MD5

    fc7776eec30751e169e1089bc2a4c478

    SHA1

    99cdb78719ca97c7351aa75f1566224396d9033b

    SHA256

    426b7b38ca6de20f1f6535d2fa63c16e11780c7cd5f2ebc66ff9a0022e246e83

    SHA512

    bc94f526d4dd751a44071dd6f540f2957d96f5c6500d7e5bb41ec6581bb0a584a6bb91fe13f7a1d9c7749c4601b1fe95f2a12a204b73bdc9a37c83cff7ac35c3

  • memory/2152-56-0x00000000009F0000-0x0000000000A42000-memory.dmp
    Filesize

    328KB

  • memory/2152-83-0x0000000006BA0000-0x0000000006BB2000-memory.dmp
    Filesize

    72KB

  • memory/2152-59-0x0000000005600000-0x000000000560A000-memory.dmp
    Filesize

    40KB

  • memory/2152-60-0x0000000074FC0000-0x0000000075770000-memory.dmp
    Filesize

    7.7MB

  • memory/2152-57-0x00000000059F0000-0x0000000005F94000-memory.dmp
    Filesize

    5.6MB

  • memory/2152-77-0x00000000060A0000-0x0000000006116000-memory.dmp
    Filesize

    472KB

  • memory/2152-78-0x0000000006AD0000-0x0000000006AEE000-memory.dmp
    Filesize

    120KB

  • memory/2152-81-0x0000000007110000-0x0000000007728000-memory.dmp
    Filesize

    6.1MB

  • memory/2152-82-0x0000000006C60000-0x0000000006D6A000-memory.dmp
    Filesize

    1.0MB

  • memory/2152-58-0x0000000005440000-0x00000000054D2000-memory.dmp
    Filesize

    584KB

  • memory/2152-84-0x0000000006C00000-0x0000000006C3C000-memory.dmp
    Filesize

    240KB

  • memory/2152-85-0x0000000006D70000-0x0000000006DBC000-memory.dmp
    Filesize

    304KB

  • memory/2152-86-0x0000000006EB0000-0x0000000006F16000-memory.dmp
    Filesize

    408KB

  • memory/2152-89-0x00000000086E0000-0x00000000088A2000-memory.dmp
    Filesize

    1.8MB

  • memory/2152-90-0x0000000008DE0000-0x000000000930C000-memory.dmp
    Filesize

    5.2MB

  • memory/2152-91-0x0000000007BC0000-0x0000000007C10000-memory.dmp
    Filesize

    320KB

  • memory/2152-93-0x0000000074FC0000-0x0000000075770000-memory.dmp
    Filesize

    7.7MB

  • memory/2152-55-0x0000000074FCE000-0x0000000074FCF000-memory.dmp
    Filesize

    4KB