Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    27-10-2021 00:01

General

  • Target

    8b1e1484298d966a4327e86c0a31a8e4.exe

  • Size

    334KB

  • MD5

    8b1e1484298d966a4327e86c0a31a8e4

  • SHA1

    dfcedcd2eda71d47f32f65ce8dfe3c76c290b56f

  • SHA256

    c6498d4425f32bb7027530a8f717b3374a2fc968f5f6f804ce17626644e17133

  • SHA512

    e2b8c0b10081e773415b0721305a5149e2bbfe4fe0b052e835a16047cdabe069fedba35adb63bb21bf0b08ae0b6d15276d19358ec14c7d170d6709420117b4e3

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://xacokuo8.top/

http://hajezey1.top/

http://gejajoo7.top/

http://sysaheu9.top/

http://nusurtal4f.net/

http://netomishnetojuk.net/

http://escalivrouter.net/

http://nick22doom4.net/

http://wrioshtivsio.su/

http://nusotiso4.su/

http://rickkhtovkka.biz/

http://palisotoliso.net/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

11111

C2

93.115.20.139:28978

Extracted

Family

vidar

Version

41.6

Botnet

754

C2

https://mas.to/@lilocc

Attributes
  • profile_id

    754

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 9 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 12 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b1e1484298d966a4327e86c0a31a8e4.exe
    "C:\Users\Admin\AppData\Local\Temp\8b1e1484298d966a4327e86c0a31a8e4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\8b1e1484298d966a4327e86c0a31a8e4.exe
      "C:\Users\Admin\AppData\Local\Temp\8b1e1484298d966a4327e86c0a31a8e4.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:588
  • C:\Users\Admin\AppData\Local\Temp\8AB3.exe
    C:\Users\Admin\AppData\Local\Temp\8AB3.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\8AB3.exe
      C:\Users\Admin\AppData\Local\Temp\8AB3.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1460
  • C:\Users\Admin\AppData\Local\Temp\9204.exe
    C:\Users\Admin\AppData\Local\Temp\9204.exe
    1⤵
    • Executes dropped EXE
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:1648
  • C:\Users\Admin\AppData\Local\Temp\9417.exe
    C:\Users\Admin\AppData\Local\Temp\9417.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1516
  • C:\Users\Admin\AppData\Local\Temp\9C42.exe
    C:\Users\Admin\AppData\Local\Temp\9C42.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 868
      2⤵
      • Loads dropped DLL
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1696
  • C:\Users\Admin\AppData\Local\Temp\BD24.exe
    C:\Users\Admin\AppData\Local\Temp\BD24.exe
    1⤵
    • Executes dropped EXE
    PID:1472
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {32CF8255-BF3E-4A3E-AA8A-26F38121A39D} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Roaming\bbfdwvt
      C:\Users\Admin\AppData\Roaming\bbfdwvt
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Users\Admin\AppData\Roaming\bbfdwvt
        C:\Users\Admin\AppData\Roaming\bbfdwvt
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        PID:1676

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    MD5

    ab5c36d10261c173c5896f3478cdc6b7

    SHA1

    87ac53810ad125663519e944bc87ded3979cbee4

    SHA256

    f8e90fb0557fe49d7702cfb506312ac0b24c97802f9c782696db6d47f434e8e9

    SHA512

    e83e4eae44e7a9cbcd267dbfc25a7f4f68b50591e3bbe267324b1f813c9220d565b284994ded5f7d2d371d50e1ebfa647176ec8de9716f754c6b5785c6e897fa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    MD5

    fb8cbfe65ab3de0b5a0dad974f495f09

    SHA1

    e612fbcd9d90aa98f33cce270c24047a276dc3f8

    SHA256

    74d4934483befd6e4fc75baefc1e0ebc4b78528f3f46bf6b7e4c1b981446bd74

    SHA512

    d20e7e2e41e4bc82c709a9587f2603a3afbc0c39421b622516a6b33f4ceb7e09b3a4ae57c266eb0bb26bd152706d7c5dc320e826b1298426c81c01a054d6536c

  • C:\Users\Admin\AppData\Local\Temp\8AB3.exe
    MD5

    6082870c958221e33434c3819da0d6b0

    SHA1

    8ab81bd6a238b4e088e93bea97c3394b5a762749

    SHA256

    305ebe159194fb04b8277b88250e2c184637d3130b1afa1d48fa6917c4f965ff

    SHA512

    b04bc6199a05ab9acd434508a92a54028f2430de7ff1d2997a24d869da6227af32ca19fcaf66f251c785e2f6685bd4adf3c6c3e295ed02f577a74a2a5fbeaac4

  • C:\Users\Admin\AppData\Local\Temp\8AB3.exe
    MD5

    6082870c958221e33434c3819da0d6b0

    SHA1

    8ab81bd6a238b4e088e93bea97c3394b5a762749

    SHA256

    305ebe159194fb04b8277b88250e2c184637d3130b1afa1d48fa6917c4f965ff

    SHA512

    b04bc6199a05ab9acd434508a92a54028f2430de7ff1d2997a24d869da6227af32ca19fcaf66f251c785e2f6685bd4adf3c6c3e295ed02f577a74a2a5fbeaac4

  • C:\Users\Admin\AppData\Local\Temp\8AB3.exe
    MD5

    6082870c958221e33434c3819da0d6b0

    SHA1

    8ab81bd6a238b4e088e93bea97c3394b5a762749

    SHA256

    305ebe159194fb04b8277b88250e2c184637d3130b1afa1d48fa6917c4f965ff

    SHA512

    b04bc6199a05ab9acd434508a92a54028f2430de7ff1d2997a24d869da6227af32ca19fcaf66f251c785e2f6685bd4adf3c6c3e295ed02f577a74a2a5fbeaac4

  • C:\Users\Admin\AppData\Local\Temp\9204.exe
    MD5

    5aa36223a5f699ed0367927afac55685

    SHA1

    91b88a596e7a36b02d9d2a5ebe77c991b37c938d

    SHA256

    f48b54cfc0d0418200ec86e4b6d7e7b312cfee5ce301c10e4c4b279d554cc4e3

    SHA512

    01f956a0ebfef2627f5c84fd676438de660a62a7d513bcd6de6e5e6a4c439721814c2c9b1da806ca5dbcaa42836dd3375ffd931b6079bded6b4ad8ad11b92d46

  • C:\Users\Admin\AppData\Local\Temp\9204.exe
    MD5

    5aa36223a5f699ed0367927afac55685

    SHA1

    91b88a596e7a36b02d9d2a5ebe77c991b37c938d

    SHA256

    f48b54cfc0d0418200ec86e4b6d7e7b312cfee5ce301c10e4c4b279d554cc4e3

    SHA512

    01f956a0ebfef2627f5c84fd676438de660a62a7d513bcd6de6e5e6a4c439721814c2c9b1da806ca5dbcaa42836dd3375ffd931b6079bded6b4ad8ad11b92d46

  • C:\Users\Admin\AppData\Local\Temp\9417.exe
    MD5

    73252acb344040ddc5d9ce78a5d3a4c2

    SHA1

    3a16c3698ccf7940adfb2b2a9cc8c20b1ba1d015

    SHA256

    b8ac77c37de98099dcdc5924418d445f4b11ecf326edd41a2d49ed6efd2a07eb

    SHA512

    1541e3d7bd163a4c348c6e5c7098c6f3add62b1121296ca28934a69ad308c2e51ca6b841359010da96e71fa42fd6e09f7591448433dc3b01104007808427c3de

  • C:\Users\Admin\AppData\Local\Temp\9C42.exe
    MD5

    e6904455750065e6351626c373eba2bb

    SHA1

    e2917ff943628d8e9a715c1fadf20688d3e6396e

    SHA256

    18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010

    SHA512

    838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878

  • C:\Users\Admin\AppData\Local\Temp\9C42.exe
    MD5

    e6904455750065e6351626c373eba2bb

    SHA1

    e2917ff943628d8e9a715c1fadf20688d3e6396e

    SHA256

    18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010

    SHA512

    838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878

  • C:\Users\Admin\AppData\Local\Temp\BD24.exe
    MD5

    8b66d2ca677914a067bdffbaad7547d9

    SHA1

    1c77465c5ab4d7f447320edc934f4907d8d011ad

    SHA256

    5b84d038e83f108e62aca1f184ab7be991b0279435069ad5de48f8bea1e2c7ce

    SHA512

    3313fa23eecf5ef682fa1c39c8de17d239a0c2f92abf0264b955ffa3a1b0b8488f82b6f64ba9ad4413b3598c6600e4f43146fcd1fed75320264c903997caa7be

  • C:\Users\Admin\AppData\Roaming\bbfdwvt
    MD5

    8b1e1484298d966a4327e86c0a31a8e4

    SHA1

    dfcedcd2eda71d47f32f65ce8dfe3c76c290b56f

    SHA256

    c6498d4425f32bb7027530a8f717b3374a2fc968f5f6f804ce17626644e17133

    SHA512

    e2b8c0b10081e773415b0721305a5149e2bbfe4fe0b052e835a16047cdabe069fedba35adb63bb21bf0b08ae0b6d15276d19358ec14c7d170d6709420117b4e3

  • C:\Users\Admin\AppData\Roaming\bbfdwvt
    MD5

    8b1e1484298d966a4327e86c0a31a8e4

    SHA1

    dfcedcd2eda71d47f32f65ce8dfe3c76c290b56f

    SHA256

    c6498d4425f32bb7027530a8f717b3374a2fc968f5f6f804ce17626644e17133

    SHA512

    e2b8c0b10081e773415b0721305a5149e2bbfe4fe0b052e835a16047cdabe069fedba35adb63bb21bf0b08ae0b6d15276d19358ec14c7d170d6709420117b4e3

  • C:\Users\Admin\AppData\Roaming\bbfdwvt
    MD5

    8b1e1484298d966a4327e86c0a31a8e4

    SHA1

    dfcedcd2eda71d47f32f65ce8dfe3c76c290b56f

    SHA256

    c6498d4425f32bb7027530a8f717b3374a2fc968f5f6f804ce17626644e17133

    SHA512

    e2b8c0b10081e773415b0721305a5149e2bbfe4fe0b052e835a16047cdabe069fedba35adb63bb21bf0b08ae0b6d15276d19358ec14c7d170d6709420117b4e3

  • \Users\Admin\AppData\Local\Temp\1105.tmp
    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\8AB3.exe
    MD5

    6082870c958221e33434c3819da0d6b0

    SHA1

    8ab81bd6a238b4e088e93bea97c3394b5a762749

    SHA256

    305ebe159194fb04b8277b88250e2c184637d3130b1afa1d48fa6917c4f965ff

    SHA512

    b04bc6199a05ab9acd434508a92a54028f2430de7ff1d2997a24d869da6227af32ca19fcaf66f251c785e2f6685bd4adf3c6c3e295ed02f577a74a2a5fbeaac4

  • \Users\Admin\AppData\Local\Temp\9C42.exe
    MD5

    e6904455750065e6351626c373eba2bb

    SHA1

    e2917ff943628d8e9a715c1fadf20688d3e6396e

    SHA256

    18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010

    SHA512

    838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878

  • \Users\Admin\AppData\Local\Temp\9C42.exe
    MD5

    e6904455750065e6351626c373eba2bb

    SHA1

    e2917ff943628d8e9a715c1fadf20688d3e6396e

    SHA256

    18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010

    SHA512

    838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878

  • \Users\Admin\AppData\Local\Temp\9C42.exe
    MD5

    e6904455750065e6351626c373eba2bb

    SHA1

    e2917ff943628d8e9a715c1fadf20688d3e6396e

    SHA256

    18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010

    SHA512

    838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878

  • \Users\Admin\AppData\Local\Temp\9C42.exe
    MD5

    e6904455750065e6351626c373eba2bb

    SHA1

    e2917ff943628d8e9a715c1fadf20688d3e6396e

    SHA256

    18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010

    SHA512

    838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878

  • \Users\Admin\AppData\Local\Temp\9C42.exe
    MD5

    e6904455750065e6351626c373eba2bb

    SHA1

    e2917ff943628d8e9a715c1fadf20688d3e6396e

    SHA256

    18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010

    SHA512

    838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878

  • \Users\Admin\AppData\Local\Temp\9C42.exe
    MD5

    e6904455750065e6351626c373eba2bb

    SHA1

    e2917ff943628d8e9a715c1fadf20688d3e6396e

    SHA256

    18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010

    SHA512

    838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878

  • \Users\Admin\AppData\Local\Temp\9C42.exe
    MD5

    e6904455750065e6351626c373eba2bb

    SHA1

    e2917ff943628d8e9a715c1fadf20688d3e6396e

    SHA256

    18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010

    SHA512

    838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878

  • memory/588-55-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/588-56-0x0000000000402E0C-mapping.dmp
  • memory/588-57-0x00000000751A1000-0x00000000751A3000-memory.dmp
    Filesize

    8KB

  • memory/984-79-0x0000000000000000-mapping.dmp
  • memory/984-93-0x0000000004890000-0x0000000004966000-memory.dmp
    Filesize

    856KB

  • memory/984-92-0x00000000002F0000-0x000000000036C000-memory.dmp
    Filesize

    496KB

  • memory/984-94-0x0000000000400000-0x0000000002F6F000-memory.dmp
    Filesize

    43.4MB

  • memory/1400-59-0x0000000002560000-0x0000000002576000-memory.dmp
    Filesize

    88KB

  • memory/1400-95-0x00000000042C0000-0x00000000042D6000-memory.dmp
    Filesize

    88KB

  • memory/1400-90-0x0000000003E80000-0x0000000003E96000-memory.dmp
    Filesize

    88KB

  • memory/1460-72-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/1460-73-0x0000000000402EE8-mapping.dmp
  • memory/1472-96-0x0000000000000000-mapping.dmp
  • memory/1516-85-0x0000000000400000-0x0000000002EFA000-memory.dmp
    Filesize

    43.0MB

  • memory/1516-84-0x0000000000250000-0x0000000000259000-memory.dmp
    Filesize

    36KB

  • memory/1516-67-0x0000000000000000-mapping.dmp
  • memory/1516-83-0x00000000001C0000-0x00000000001C8000-memory.dmp
    Filesize

    32KB

  • memory/1612-58-0x0000000000020000-0x0000000000029000-memory.dmp
    Filesize

    36KB

  • memory/1612-54-0x0000000000A48000-0x0000000000A59000-memory.dmp
    Filesize

    68KB

  • memory/1648-87-0x0000000000460000-0x000000000047E000-memory.dmp
    Filesize

    120KB

  • memory/1648-65-0x0000000000220000-0x0000000000221000-memory.dmp
    Filesize

    4KB

  • memory/1648-62-0x0000000000000000-mapping.dmp
  • memory/1648-81-0x0000000004C10000-0x0000000004C11000-memory.dmp
    Filesize

    4KB

  • memory/1648-78-0x00000000003E0000-0x00000000003E3000-memory.dmp
    Filesize

    12KB

  • memory/1648-88-0x0000000001E90000-0x0000000001EAA000-memory.dmp
    Filesize

    104KB

  • memory/1676-115-0x0000000000402E0C-mapping.dmp
  • memory/1696-109-0x0000000000A90000-0x0000000000A91000-memory.dmp
    Filesize

    4KB

  • memory/1696-100-0x0000000000000000-mapping.dmp
  • memory/1740-69-0x0000000000648000-0x0000000000658000-memory.dmp
    Filesize

    64KB

  • memory/1740-74-0x0000000000030000-0x0000000000039000-memory.dmp
    Filesize

    36KB

  • memory/1740-60-0x0000000000000000-mapping.dmp
  • memory/1996-111-0x0000000000000000-mapping.dmp
  • memory/1996-113-0x00000000009E8000-0x00000000009F9000-memory.dmp
    Filesize

    68KB