Analysis

  • max time kernel
    151s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    08-12-2021 09:32

General

  • Target

    5e39411fee33dcd9a49c348becbd8cb7dc9df07565fd569c1c262e53d120dd71.exe

  • Size

    241KB

  • MD5

    424792509be0ea5b770d3e787f6cc337

  • SHA1

    546057d56a1d78c5cc3f38d1a5225e2531228f25

  • SHA256

    5e39411fee33dcd9a49c348becbd8cb7dc9df07565fd569c1c262e53d120dd71

  • SHA512

    9742a8aaa14ad272c60e0d8ebfef619b6c172284a987e7d8425db8f5fc86c7f40456ed8e77a8aa930a435fda1ee228275903d01cee3ef777e4d6ff9089113c2c

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

Extracted

Family

icedid

Campaign

3439131404

C2

grendafolz.com

Extracted

Family

systembc

C2

185.209.30.180:4001

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • RedLine

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

  • RedLine Payload 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Deletes itself 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 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e39411fee33dcd9a49c348becbd8cb7dc9df07565fd569c1c262e53d120dd71.exe
    "C:\Users\Admin\AppData\Local\Temp\5e39411fee33dcd9a49c348becbd8cb7dc9df07565fd569c1c262e53d120dd71.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2732
  • C:\Users\Admin\AppData\Local\Temp\2BDE.exe
    C:\Users\Admin\AppData\Local\Temp\2BDE.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3944
  • C:\Users\Admin\AppData\Local\Temp\2F2B.exe
    C:\Users\Admin\AppData\Local\Temp\2F2B.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3412
  • C:\Users\Admin\AppData\Local\Temp\35D3.exe
    C:\Users\Admin\AppData\Local\Temp\35D3.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:4048
  • C:\Users\Admin\AppData\Local\Temp\39FB.exe
    C:\Users\Admin\AppData\Local\Temp\39FB.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Users\Admin\AppData\Local\Temp\39FB.exe
      C:\Users\Admin\AppData\Local\Temp\39FB.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3720
      • C:\Users\Admin\AppData\Local\Temp\39FB.exe
        C:\Users\Admin\AppData\Local\Temp\39FB.exe
        3⤵
        • Executes dropped EXE
        PID:3948
  • C:\Users\Admin\AppData\Local\Temp\49CB.exe
    C:\Users\Admin\AppData\Local\Temp\49CB.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:2332
  • C:\Users\Admin\AppData\Local\Temp\49CB.exe
    C:\Users\Admin\AppData\Local\Temp\49CB.exe start
    1⤵
    • Executes dropped EXE
    PID:1760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\2BDE.exe

    MD5

    77ce7ab11225c5e723b7b1be0308e8c0

    SHA1

    709a8df1d49f28cf8c293694bbbbd0f07735829b

    SHA256

    d407b5c7d9568448f1e7387924fe4dded9e016632879c386c307ef5dcf63f496

    SHA512

    f73582206397db625bdefbbaf8abdc1a820ae8054eb2ef2a3ed18c8e00e8365c7ad81013b33990e4304619b3834a1b8b15c782905204add158fca686e2c25c3b

  • C:\Users\Admin\AppData\Local\Temp\2BDE.exe

    MD5

    77ce7ab11225c5e723b7b1be0308e8c0

    SHA1

    709a8df1d49f28cf8c293694bbbbd0f07735829b

    SHA256

    d407b5c7d9568448f1e7387924fe4dded9e016632879c386c307ef5dcf63f496

    SHA512

    f73582206397db625bdefbbaf8abdc1a820ae8054eb2ef2a3ed18c8e00e8365c7ad81013b33990e4304619b3834a1b8b15c782905204add158fca686e2c25c3b

  • C:\Users\Admin\AppData\Local\Temp\2F2B.exe

    MD5

    3ba1d635fed88d8af279be91b7007bae

    SHA1

    62a1d59c746cdb51e699114f410749384a70cf73

    SHA256

    3151b115c3370d5360286bfe3a053d0d543f0e5d21faa68fee167224e68d115a

    SHA512

    83254fb484bd40740e5e0483dcc7fd8ce612033b00238494fdcdc5a5dcb3503195e0e2694edd5d848c07e2ddc61cafdb7d331afc4792ccd788837ebbce18bfeb

  • C:\Users\Admin\AppData\Local\Temp\2F2B.exe

    MD5

    3ba1d635fed88d8af279be91b7007bae

    SHA1

    62a1d59c746cdb51e699114f410749384a70cf73

    SHA256

    3151b115c3370d5360286bfe3a053d0d543f0e5d21faa68fee167224e68d115a

    SHA512

    83254fb484bd40740e5e0483dcc7fd8ce612033b00238494fdcdc5a5dcb3503195e0e2694edd5d848c07e2ddc61cafdb7d331afc4792ccd788837ebbce18bfeb

  • C:\Users\Admin\AppData\Local\Temp\35D3.exe

    MD5

    f80418f12c03a56ac2e8d8b189c13750

    SHA1

    cd0b728375e4e178b50bca8ad65ce79aede30d37

    SHA256

    cbc5d7db8e27b2369a1d83c2d8615c1dbb6263e8b80c4b12a86493c9df093716

    SHA512

    e3fb85cc08a94193528ecc760b58904df47aa302419267c5b3386468e1d7fdece63fee05d8d95a083637b70a24035d3123c94463111ba372b39fcc69787aa196

  • C:\Users\Admin\AppData\Local\Temp\35D3.exe

    MD5

    f80418f12c03a56ac2e8d8b189c13750

    SHA1

    cd0b728375e4e178b50bca8ad65ce79aede30d37

    SHA256

    cbc5d7db8e27b2369a1d83c2d8615c1dbb6263e8b80c4b12a86493c9df093716

    SHA512

    e3fb85cc08a94193528ecc760b58904df47aa302419267c5b3386468e1d7fdece63fee05d8d95a083637b70a24035d3123c94463111ba372b39fcc69787aa196

  • C:\Users\Admin\AppData\Local\Temp\39FB.exe

    MD5

    7ade34e7d74c83cee4c8f288c90128d5

    SHA1

    13a4bf57f5777cdd9bfb0d9568392e39d3073ed0

    SHA256

    032bf53a2f8d5b6b4512505a44e67c7c1e80f3f8b063cc78d13f2c78c5fb9bad

    SHA512

    d65732c04d81bb5e947d9ff43bf40dc911659919bd662d24795ddddfcabe91135c71d7fcea2e1980f063827a9b8e51d9f16a0e8e0d3c46dc52df4a58f75b4c69

  • C:\Users\Admin\AppData\Local\Temp\39FB.exe

    MD5

    7ade34e7d74c83cee4c8f288c90128d5

    SHA1

    13a4bf57f5777cdd9bfb0d9568392e39d3073ed0

    SHA256

    032bf53a2f8d5b6b4512505a44e67c7c1e80f3f8b063cc78d13f2c78c5fb9bad

    SHA512

    d65732c04d81bb5e947d9ff43bf40dc911659919bd662d24795ddddfcabe91135c71d7fcea2e1980f063827a9b8e51d9f16a0e8e0d3c46dc52df4a58f75b4c69

  • C:\Users\Admin\AppData\Local\Temp\39FB.exe

    MD5

    7ade34e7d74c83cee4c8f288c90128d5

    SHA1

    13a4bf57f5777cdd9bfb0d9568392e39d3073ed0

    SHA256

    032bf53a2f8d5b6b4512505a44e67c7c1e80f3f8b063cc78d13f2c78c5fb9bad

    SHA512

    d65732c04d81bb5e947d9ff43bf40dc911659919bd662d24795ddddfcabe91135c71d7fcea2e1980f063827a9b8e51d9f16a0e8e0d3c46dc52df4a58f75b4c69

  • C:\Users\Admin\AppData\Local\Temp\39FB.exe

    MD5

    7ade34e7d74c83cee4c8f288c90128d5

    SHA1

    13a4bf57f5777cdd9bfb0d9568392e39d3073ed0

    SHA256

    032bf53a2f8d5b6b4512505a44e67c7c1e80f3f8b063cc78d13f2c78c5fb9bad

    SHA512

    d65732c04d81bb5e947d9ff43bf40dc911659919bd662d24795ddddfcabe91135c71d7fcea2e1980f063827a9b8e51d9f16a0e8e0d3c46dc52df4a58f75b4c69

  • C:\Users\Admin\AppData\Local\Temp\49CB.exe

    MD5

    fd4e0205ce36f99ff343a78ec3e251bc

    SHA1

    b633df31339acb69f708a41fd227298420fd4036

    SHA256

    617f9d822418a44cac50b28755f2d075fac1c2de21995820912f07f4b4ee8075

    SHA512

    f413a054603bc0bc86d1657e3960c4b691e7900be36e9470a408264cb63ad0eb9d7cea7b83dbfdf7f727ea5c359d7d6ab5b565ab60976735d67f00c5a082f50e

  • C:\Users\Admin\AppData\Local\Temp\49CB.exe

    MD5

    fd4e0205ce36f99ff343a78ec3e251bc

    SHA1

    b633df31339acb69f708a41fd227298420fd4036

    SHA256

    617f9d822418a44cac50b28755f2d075fac1c2de21995820912f07f4b4ee8075

    SHA512

    f413a054603bc0bc86d1657e3960c4b691e7900be36e9470a408264cb63ad0eb9d7cea7b83dbfdf7f727ea5c359d7d6ab5b565ab60976735d67f00c5a082f50e

  • C:\Users\Admin\AppData\Local\Temp\49CB.exe

    MD5

    fd4e0205ce36f99ff343a78ec3e251bc

    SHA1

    b633df31339acb69f708a41fd227298420fd4036

    SHA256

    617f9d822418a44cac50b28755f2d075fac1c2de21995820912f07f4b4ee8075

    SHA512

    f413a054603bc0bc86d1657e3960c4b691e7900be36e9470a408264cb63ad0eb9d7cea7b83dbfdf7f727ea5c359d7d6ab5b565ab60976735d67f00c5a082f50e

  • memory/1708-160-0x0000000000000000-mapping.dmp

  • memory/1760-206-0x0000000000400000-0x0000000002B74000-memory.dmp

    Filesize

    39.5MB

  • memory/1760-205-0x0000000002B80000-0x0000000002C2E000-memory.dmp

    Filesize

    696KB

  • memory/2332-184-0x0000000000400000-0x0000000002B74000-memory.dmp

    Filesize

    39.5MB

  • memory/2332-179-0x0000000000000000-mapping.dmp

  • memory/2332-183-0x0000000002C70000-0x0000000002C75000-memory.dmp

    Filesize

    20KB

  • memory/2332-182-0x0000000002C60000-0x0000000002C66000-memory.dmp

    Filesize

    24KB

  • memory/2732-115-0x0000000004890000-0x0000000004899000-memory.dmp

    Filesize

    36KB

  • memory/2732-116-0x00000000048A0000-0x00000000048A9000-memory.dmp

    Filesize

    36KB

  • memory/2732-117-0x0000000000400000-0x0000000002B76000-memory.dmp

    Filesize

    39.5MB

  • memory/3020-118-0x0000000000820000-0x0000000000836000-memory.dmp

    Filesize

    88KB

  • memory/3412-125-0x0000000000000000-mapping.dmp

  • memory/3412-201-0x0000000006B00000-0x0000000006B01000-memory.dmp

    Filesize

    4KB

  • memory/3412-195-0x0000000006430000-0x0000000006431000-memory.dmp

    Filesize

    4KB

  • memory/3412-174-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

    Filesize

    4KB

  • memory/3412-203-0x0000000007200000-0x0000000007201000-memory.dmp

    Filesize

    4KB

  • memory/3412-130-0x0000000000720000-0x0000000000721000-memory.dmp

    Filesize

    4KB

  • memory/3412-139-0x0000000005050000-0x0000000005051000-memory.dmp

    Filesize

    4KB

  • memory/3412-137-0x0000000004F20000-0x0000000004F21000-memory.dmp

    Filesize

    4KB

  • memory/3412-153-0x0000000004ED0000-0x00000000054D6000-memory.dmp

    Filesize

    6.0MB

  • memory/3412-135-0x00000000054E0000-0x00000000054E1000-memory.dmp

    Filesize

    4KB

  • memory/3720-163-0x0000000000000000-mapping.dmp

  • memory/3944-152-0x0000000005050000-0x0000000005051000-memory.dmp

    Filesize

    4KB

  • memory/3944-185-0x0000000004F60000-0x0000000004F61000-memory.dmp

    Filesize

    4KB

  • memory/3944-119-0x0000000000000000-mapping.dmp

  • memory/3944-122-0x0000000000020000-0x0000000000088000-memory.dmp

    Filesize

    416KB

  • memory/3944-123-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB

  • memory/3944-124-0x00000000026E0000-0x0000000002725000-memory.dmp

    Filesize

    276KB

  • memory/3944-128-0x0000000077110000-0x00000000772D2000-memory.dmp

    Filesize

    1.8MB

  • memory/3944-192-0x0000000005C80000-0x0000000005C81000-memory.dmp

    Filesize

    4KB

  • memory/3944-129-0x0000000074B00000-0x0000000074BF1000-memory.dmp

    Filesize

    964KB

  • memory/3944-157-0x0000000002D30000-0x0000000002D31000-memory.dmp

    Filesize

    4KB

  • memory/3944-170-0x0000000074C00000-0x0000000075184000-memory.dmp

    Filesize

    5.5MB

  • memory/3944-132-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/3944-134-0x0000000071D50000-0x0000000071DD0000-memory.dmp

    Filesize

    512KB

  • memory/3944-173-0x00000000754D0000-0x0000000076818000-memory.dmp

    Filesize

    19.3MB

  • memory/3944-178-0x000000006FFA0000-0x000000006FFEB000-memory.dmp

    Filesize

    300KB

  • memory/3948-169-0x00007FF649420000-0x00007FF649429000-memory.dmp

    Filesize

    36KB

  • memory/3948-165-0x00007FF649420000-0x00007FF649429000-memory.dmp

    Filesize

    36KB

  • memory/3948-166-0x00007FF649421364-mapping.dmp

  • memory/4048-141-0x0000000000000000-mapping.dmp

  • memory/4048-168-0x0000000004E50000-0x0000000004E51000-memory.dmp

    Filesize

    4KB

  • memory/4048-172-0x00000000754D0000-0x0000000076818000-memory.dmp

    Filesize

    19.3MB

  • memory/4048-147-0x0000000074B00000-0x0000000074BF1000-memory.dmp

    Filesize

    964KB

  • memory/4048-171-0x0000000074C00000-0x0000000075184000-memory.dmp

    Filesize

    5.5MB

  • memory/4048-144-0x00000000011C0000-0x000000000122C000-memory.dmp

    Filesize

    432KB

  • memory/4048-189-0x0000000005330000-0x0000000005331000-memory.dmp

    Filesize

    4KB

  • memory/4048-176-0x000000006FFA0000-0x000000006FFEB000-memory.dmp

    Filesize

    300KB

  • memory/4048-148-0x00000000011C0000-0x00000000011C1000-memory.dmp

    Filesize

    4KB

  • memory/4048-199-0x0000000005D40000-0x0000000005D41000-memory.dmp

    Filesize

    4KB

  • memory/4048-145-0x0000000000050000-0x0000000000051000-memory.dmp

    Filesize

    4KB

  • memory/4048-146-0x0000000077110000-0x00000000772D2000-memory.dmp

    Filesize

    1.8MB

  • memory/4048-150-0x0000000000C00000-0x0000000000C45000-memory.dmp

    Filesize

    276KB

  • memory/4048-151-0x0000000071D50000-0x0000000071DD0000-memory.dmp

    Filesize

    512KB