Analysis

  • max time kernel
    152s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    07-12-2021 13:00

General

  • Target

    369b89160fc1e3c8b2ec374dfb220c264efc7d2df1bcb04cadec2dd038765523.exe

  • Size

    319KB

  • MD5

    5106aa3bd71ee4a75133d1cc18030874

  • SHA1

    32c3cc7e79d7701466a1e1809f54c630e1cd330b

  • SHA256

    369b89160fc1e3c8b2ec374dfb220c264efc7d2df1bcb04cadec2dd038765523

  • SHA512

    1f58c1eb7eaa82235031e7c20c8d2d1a1a355bdb34d206564469bc391f57a54af4e3be06c82c59a7827fcc8eb6b48f51187a460f97df30eada76fd6174dc3074

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

195.133.47.114:38627

Signatures

  • RedLine

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

  • RedLine Payload 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 1 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\369b89160fc1e3c8b2ec374dfb220c264efc7d2df1bcb04cadec2dd038765523.exe
    "C:\Users\Admin\AppData\Local\Temp\369b89160fc1e3c8b2ec374dfb220c264efc7d2df1bcb04cadec2dd038765523.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1768
  • C:\Users\Admin\AppData\Local\Temp\4199.exe
    C:\Users\Admin\AppData\Local\Temp\4199.exe
    1⤵
    • Executes dropped EXE
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:744
    • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
      "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      PID:2288
  • C:\Users\Admin\AppData\Local\Temp\8980.exe
    C:\Users\Admin\AppData\Local\Temp\8980.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3284
  • C:\Users\Admin\AppData\Local\Temp\A74A.exe
    C:\Users\Admin\AppData\Local\Temp\A74A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1160
  • C:\Users\Admin\AppData\Local\Temp\C533.exe
    C:\Users\Admin\AppData\Local\Temp\C533.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2688
  • C:\Users\Admin\AppData\Local\Temp\E30D.exe
    C:\Users\Admin\AppData\Local\Temp\E30D.exe
    1⤵
    • Executes dropped EXE
    PID:1324
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1324 -s 424
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
  • C:\Users\Admin\AppData\Local\Temp\F57D.exe
    C:\Users\Admin\AppData\Local\Temp\F57D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3872

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\4199.exe
    MD5

    3ee62d032b2fbda45645c564bc72ca8f

    SHA1

    ff4bf787601886b3f8b00e0b9302af816b53fef8

    SHA256

    d7e4c9a60e7bc7c9b92a83f2138d3add16fdeface397bd00d31526b963e6ea4d

    SHA512

    1a7c87bc9e05733d59a28fe1cc5cb89a226ccc28a906411ce355e6ac1e85e62727eb875edc5e9ad80295a9c87679fbd18683636a494c929e86b9aa0dd6798b2a

  • C:\Users\Admin\AppData\Local\Temp\4199.exe
    MD5

    3ee62d032b2fbda45645c564bc72ca8f

    SHA1

    ff4bf787601886b3f8b00e0b9302af816b53fef8

    SHA256

    d7e4c9a60e7bc7c9b92a83f2138d3add16fdeface397bd00d31526b963e6ea4d

    SHA512

    1a7c87bc9e05733d59a28fe1cc5cb89a226ccc28a906411ce355e6ac1e85e62727eb875edc5e9ad80295a9c87679fbd18683636a494c929e86b9aa0dd6798b2a

  • C:\Users\Admin\AppData\Local\Temp\8980.exe
    MD5

    77ce7ab11225c5e723b7b1be0308e8c0

    SHA1

    709a8df1d49f28cf8c293694bbbbd0f07735829b

    SHA256

    d407b5c7d9568448f1e7387924fe4dded9e016632879c386c307ef5dcf63f496

    SHA512

    f73582206397db625bdefbbaf8abdc1a820ae8054eb2ef2a3ed18c8e00e8365c7ad81013b33990e4304619b3834a1b8b15c782905204add158fca686e2c25c3b

  • C:\Users\Admin\AppData\Local\Temp\8980.exe
    MD5

    77ce7ab11225c5e723b7b1be0308e8c0

    SHA1

    709a8df1d49f28cf8c293694bbbbd0f07735829b

    SHA256

    d407b5c7d9568448f1e7387924fe4dded9e016632879c386c307ef5dcf63f496

    SHA512

    f73582206397db625bdefbbaf8abdc1a820ae8054eb2ef2a3ed18c8e00e8365c7ad81013b33990e4304619b3834a1b8b15c782905204add158fca686e2c25c3b

  • C:\Users\Admin\AppData\Local\Temp\A74A.exe
    MD5

    3ba1d635fed88d8af279be91b7007bae

    SHA1

    62a1d59c746cdb51e699114f410749384a70cf73

    SHA256

    3151b115c3370d5360286bfe3a053d0d543f0e5d21faa68fee167224e68d115a

    SHA512

    83254fb484bd40740e5e0483dcc7fd8ce612033b00238494fdcdc5a5dcb3503195e0e2694edd5d848c07e2ddc61cafdb7d331afc4792ccd788837ebbce18bfeb

  • C:\Users\Admin\AppData\Local\Temp\A74A.exe
    MD5

    3ba1d635fed88d8af279be91b7007bae

    SHA1

    62a1d59c746cdb51e699114f410749384a70cf73

    SHA256

    3151b115c3370d5360286bfe3a053d0d543f0e5d21faa68fee167224e68d115a

    SHA512

    83254fb484bd40740e5e0483dcc7fd8ce612033b00238494fdcdc5a5dcb3503195e0e2694edd5d848c07e2ddc61cafdb7d331afc4792ccd788837ebbce18bfeb

  • C:\Users\Admin\AppData\Local\Temp\C533.exe
    MD5

    f80418f12c03a56ac2e8d8b189c13750

    SHA1

    cd0b728375e4e178b50bca8ad65ce79aede30d37

    SHA256

    cbc5d7db8e27b2369a1d83c2d8615c1dbb6263e8b80c4b12a86493c9df093716

    SHA512

    e3fb85cc08a94193528ecc760b58904df47aa302419267c5b3386468e1d7fdece63fee05d8d95a083637b70a24035d3123c94463111ba372b39fcc69787aa196

  • C:\Users\Admin\AppData\Local\Temp\C533.exe
    MD5

    f80418f12c03a56ac2e8d8b189c13750

    SHA1

    cd0b728375e4e178b50bca8ad65ce79aede30d37

    SHA256

    cbc5d7db8e27b2369a1d83c2d8615c1dbb6263e8b80c4b12a86493c9df093716

    SHA512

    e3fb85cc08a94193528ecc760b58904df47aa302419267c5b3386468e1d7fdece63fee05d8d95a083637b70a24035d3123c94463111ba372b39fcc69787aa196

  • C:\Users\Admin\AppData\Local\Temp\E30D.exe
    MD5

    180fc8466647515a888cba4bdacb60db

    SHA1

    a6a5201f997c665603c9fe05a1d08add514337a3

    SHA256

    3c8517c6cfab98c7fdda9f3a53e7178c0a42729a9473d53224788581e42bb116

    SHA512

    4146285d11141ac567e0c574c3aa4f19201ad9825b2a605f5022a4305ac9860529bb4443ea80ac5ccb0e51873fa802c7d6fa8d13ac195cd35519b82ba3c3fa1b

  • C:\Users\Admin\AppData\Local\Temp\E30D.exe
    MD5

    180fc8466647515a888cba4bdacb60db

    SHA1

    a6a5201f997c665603c9fe05a1d08add514337a3

    SHA256

    3c8517c6cfab98c7fdda9f3a53e7178c0a42729a9473d53224788581e42bb116

    SHA512

    4146285d11141ac567e0c574c3aa4f19201ad9825b2a605f5022a4305ac9860529bb4443ea80ac5ccb0e51873fa802c7d6fa8d13ac195cd35519b82ba3c3fa1b

  • C:\Users\Admin\AppData\Local\Temp\F57D.exe
    MD5

    f80418f12c03a56ac2e8d8b189c13750

    SHA1

    cd0b728375e4e178b50bca8ad65ce79aede30d37

    SHA256

    cbc5d7db8e27b2369a1d83c2d8615c1dbb6263e8b80c4b12a86493c9df093716

    SHA512

    e3fb85cc08a94193528ecc760b58904df47aa302419267c5b3386468e1d7fdece63fee05d8d95a083637b70a24035d3123c94463111ba372b39fcc69787aa196

  • C:\Users\Admin\AppData\Local\Temp\F57D.exe
    MD5

    f80418f12c03a56ac2e8d8b189c13750

    SHA1

    cd0b728375e4e178b50bca8ad65ce79aede30d37

    SHA256

    cbc5d7db8e27b2369a1d83c2d8615c1dbb6263e8b80c4b12a86493c9df093716

    SHA512

    e3fb85cc08a94193528ecc760b58904df47aa302419267c5b3386468e1d7fdece63fee05d8d95a083637b70a24035d3123c94463111ba372b39fcc69787aa196

  • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
    MD5

    3ee62d032b2fbda45645c564bc72ca8f

    SHA1

    ff4bf787601886b3f8b00e0b9302af816b53fef8

    SHA256

    d7e4c9a60e7bc7c9b92a83f2138d3add16fdeface397bd00d31526b963e6ea4d

    SHA512

    1a7c87bc9e05733d59a28fe1cc5cb89a226ccc28a906411ce355e6ac1e85e62727eb875edc5e9ad80295a9c87679fbd18683636a494c929e86b9aa0dd6798b2a

  • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
    MD5

    3ee62d032b2fbda45645c564bc72ca8f

    SHA1

    ff4bf787601886b3f8b00e0b9302af816b53fef8

    SHA256

    d7e4c9a60e7bc7c9b92a83f2138d3add16fdeface397bd00d31526b963e6ea4d

    SHA512

    1a7c87bc9e05733d59a28fe1cc5cb89a226ccc28a906411ce355e6ac1e85e62727eb875edc5e9ad80295a9c87679fbd18683636a494c929e86b9aa0dd6798b2a

  • memory/744-127-0x0000000000400000-0x0000000000540000-memory.dmp
    Filesize

    1.2MB

  • memory/744-126-0x0000000000540000-0x00000000005EE000-memory.dmp
    Filesize

    696KB

  • memory/744-125-0x0000000000791000-0x0000000000811000-memory.dmp
    Filesize

    512KB

  • memory/744-122-0x0000000000000000-mapping.dmp
  • memory/1160-157-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
    Filesize

    4KB

  • memory/1160-164-0x00000000052A0000-0x00000000058A6000-memory.dmp
    Filesize

    6.0MB

  • memory/1160-154-0x0000000000000000-mapping.dmp
  • memory/1324-206-0x0000000000000000-mapping.dmp
  • memory/1768-119-0x0000000000030000-0x0000000000039000-memory.dmp
    Filesize

    36KB

  • memory/1768-120-0x0000000000400000-0x00000000004D1000-memory.dmp
    Filesize

    836KB

  • memory/2288-133-0x0000000000400000-0x0000000000540000-memory.dmp
    Filesize

    1.2MB

  • memory/2288-132-0x0000000000540000-0x000000000068A000-memory.dmp
    Filesize

    1.3MB

  • memory/2288-131-0x0000000000741000-0x00000000007C1000-memory.dmp
    Filesize

    512KB

  • memory/2288-128-0x0000000000000000-mapping.dmp
  • memory/2688-185-0x0000000000880000-0x0000000000881000-memory.dmp
    Filesize

    4KB

  • memory/2688-197-0x00000000059D0000-0x00000000059D1000-memory.dmp
    Filesize

    4KB

  • memory/2688-195-0x00000000703C0000-0x000000007040B000-memory.dmp
    Filesize

    300KB

  • memory/2688-193-0x0000000074B40000-0x0000000075E88000-memory.dmp
    Filesize

    19.3MB

  • memory/2688-192-0x0000000076530000-0x0000000076AB4000-memory.dmp
    Filesize

    5.5MB

  • memory/2688-187-0x0000000072170000-0x00000000721F0000-memory.dmp
    Filesize

    512KB

  • memory/2688-184-0x0000000075E90000-0x0000000075F81000-memory.dmp
    Filesize

    964KB

  • memory/2688-183-0x0000000001100000-0x000000000124A000-memory.dmp
    Filesize

    1.3MB

  • memory/2688-182-0x0000000074970000-0x0000000074B32000-memory.dmp
    Filesize

    1.8MB

  • memory/2688-181-0x0000000000DF0000-0x0000000000DF1000-memory.dmp
    Filesize

    4KB

  • memory/2688-180-0x0000000000880000-0x00000000008EC000-memory.dmp
    Filesize

    432KB

  • memory/2688-177-0x0000000000000000-mapping.dmp
  • memory/3044-121-0x00000000006C0000-0x00000000006D6000-memory.dmp
    Filesize

    88KB

  • memory/3284-152-0x00000000053A0000-0x00000000053A1000-memory.dmp
    Filesize

    4KB

  • memory/3284-147-0x0000000005520000-0x0000000005521000-memory.dmp
    Filesize

    4KB

  • memory/3284-153-0x00000000703C0000-0x000000007040B000-memory.dmp
    Filesize

    300KB

  • memory/3284-170-0x0000000006E00000-0x0000000006E01000-memory.dmp
    Filesize

    4KB

  • memory/3284-171-0x0000000007500000-0x0000000007501000-memory.dmp
    Filesize

    4KB

  • memory/3284-165-0x0000000006530000-0x0000000006531000-memory.dmp
    Filesize

    4KB

  • memory/3284-143-0x0000000072170000-0x00000000721F0000-memory.dmp
    Filesize

    512KB

  • memory/3284-141-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
    Filesize

    4KB

  • memory/3284-144-0x0000000005A20000-0x0000000005A21000-memory.dmp
    Filesize

    4KB

  • memory/3284-145-0x0000000005370000-0x0000000005371000-memory.dmp
    Filesize

    4KB

  • memory/3284-146-0x0000000000BD0000-0x0000000000D1A000-memory.dmp
    Filesize

    1.3MB

  • memory/3284-167-0x00000000061B0000-0x00000000061B1000-memory.dmp
    Filesize

    4KB

  • memory/3284-148-0x0000000005410000-0x0000000005411000-memory.dmp
    Filesize

    4KB

  • memory/3284-140-0x0000000075E90000-0x0000000075F81000-memory.dmp
    Filesize

    964KB

  • memory/3284-169-0x0000000006470000-0x0000000006471000-memory.dmp
    Filesize

    4KB

  • memory/3284-150-0x0000000074B40000-0x0000000075E88000-memory.dmp
    Filesize

    19.3MB

  • memory/3284-168-0x00000000062D0000-0x00000000062D1000-memory.dmp
    Filesize

    4KB

  • memory/3284-151-0x0000000005400000-0x0000000005401000-memory.dmp
    Filesize

    4KB

  • memory/3284-149-0x0000000076530000-0x0000000076AB4000-memory.dmp
    Filesize

    5.5MB

  • memory/3284-139-0x0000000074970000-0x0000000074B32000-memory.dmp
    Filesize

    1.8MB

  • memory/3284-138-0x0000000000B80000-0x0000000000B81000-memory.dmp
    Filesize

    4KB

  • memory/3284-137-0x0000000000EA0000-0x0000000000F08000-memory.dmp
    Filesize

    416KB

  • memory/3284-166-0x0000000005710000-0x0000000005711000-memory.dmp
    Filesize

    4KB

  • memory/3284-134-0x0000000000000000-mapping.dmp
  • memory/3872-228-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
    Filesize

    4KB

  • memory/3872-212-0x0000000000D10000-0x0000000000D7C000-memory.dmp
    Filesize

    432KB

  • memory/3872-213-0x0000000000050000-0x0000000000051000-memory.dmp
    Filesize

    4KB

  • memory/3872-214-0x0000000002210000-0x0000000002255000-memory.dmp
    Filesize

    276KB

  • memory/3872-215-0x0000000074970000-0x0000000074B32000-memory.dmp
    Filesize

    1.8MB

  • memory/3872-216-0x0000000075E90000-0x0000000075F81000-memory.dmp
    Filesize

    964KB

  • memory/3872-209-0x0000000000000000-mapping.dmp