Analysis

  • max time kernel
    153s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    08-12-2021 14:02

General

  • Target

    a904ea3baeeffecf15272412e0db5657.exe

  • Size

    278KB

  • MD5

    a904ea3baeeffecf15272412e0db5657

  • SHA1

    22d418de7d1ca07392be9c5596d1c294854b2d99

  • SHA256

    e576d4e4fa5d355d71e9b882c8a1f05f0484e55c6c6df348a043f5df5ff4be22

  • SHA512

    c58439beae0faf7077fa97329275afae994ad2c2406c00b86560e3d5b471d046817a872afdd2a2a985e96210378862d5d2593f512e2cffbc5f1bec5bff8edc96

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\a904ea3baeeffecf15272412e0db5657.exe
    "C:\Users\Admin\AppData\Local\Temp\a904ea3baeeffecf15272412e0db5657.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3708
  • C:\Users\Admin\AppData\Local\Temp\8604.exe
    C:\Users\Admin\AppData\Local\Temp\8604.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:4488
  • C:\Users\Admin\AppData\Local\Temp\9920.exe
    C:\Users\Admin\AppData\Local\Temp\9920.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:436
  • C:\Users\Admin\AppData\Local\Temp\BAA3.exe
    C:\Users\Admin\AppData\Local\Temp\BAA3.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1812
  • C:\Users\Admin\AppData\Local\Temp\D214.exe
    C:\Users\Admin\AppData\Local\Temp\D214.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\D214.exe
      C:\Users\Admin\AppData\Local\Temp\D214.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Users\Admin\AppData\Local\Temp\D214.exe
        C:\Users\Admin\AppData\Local\Temp\D214.exe
        3⤵
        • Executes dropped EXE
        PID:2888
  • C:\Users\Admin\AppData\Local\Temp\22E.exe
    C:\Users\Admin\AppData\Local\Temp\22E.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:1344
  • C:\Users\Admin\AppData\Local\Temp\22E.exe
    C:\Users\Admin\AppData\Local\Temp\22E.exe start
    1⤵
    • Executes dropped EXE
    PID:2192

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\22E.exe
    MD5

    fd4e0205ce36f99ff343a78ec3e251bc

    SHA1

    b633df31339acb69f708a41fd227298420fd4036

    SHA256

    617f9d822418a44cac50b28755f2d075fac1c2de21995820912f07f4b4ee8075

    SHA512

    f413a054603bc0bc86d1657e3960c4b691e7900be36e9470a408264cb63ad0eb9d7cea7b83dbfdf7f727ea5c359d7d6ab5b565ab60976735d67f00c5a082f50e

  • C:\Users\Admin\AppData\Local\Temp\22E.exe
    MD5

    fd4e0205ce36f99ff343a78ec3e251bc

    SHA1

    b633df31339acb69f708a41fd227298420fd4036

    SHA256

    617f9d822418a44cac50b28755f2d075fac1c2de21995820912f07f4b4ee8075

    SHA512

    f413a054603bc0bc86d1657e3960c4b691e7900be36e9470a408264cb63ad0eb9d7cea7b83dbfdf7f727ea5c359d7d6ab5b565ab60976735d67f00c5a082f50e

  • C:\Users\Admin\AppData\Local\Temp\22E.exe
    MD5

    fd4e0205ce36f99ff343a78ec3e251bc

    SHA1

    b633df31339acb69f708a41fd227298420fd4036

    SHA256

    617f9d822418a44cac50b28755f2d075fac1c2de21995820912f07f4b4ee8075

    SHA512

    f413a054603bc0bc86d1657e3960c4b691e7900be36e9470a408264cb63ad0eb9d7cea7b83dbfdf7f727ea5c359d7d6ab5b565ab60976735d67f00c5a082f50e

  • C:\Users\Admin\AppData\Local\Temp\8604.exe
    MD5

    77ce7ab11225c5e723b7b1be0308e8c0

    SHA1

    709a8df1d49f28cf8c293694bbbbd0f07735829b

    SHA256

    d407b5c7d9568448f1e7387924fe4dded9e016632879c386c307ef5dcf63f496

    SHA512

    f73582206397db625bdefbbaf8abdc1a820ae8054eb2ef2a3ed18c8e00e8365c7ad81013b33990e4304619b3834a1b8b15c782905204add158fca686e2c25c3b

  • C:\Users\Admin\AppData\Local\Temp\8604.exe
    MD5

    77ce7ab11225c5e723b7b1be0308e8c0

    SHA1

    709a8df1d49f28cf8c293694bbbbd0f07735829b

    SHA256

    d407b5c7d9568448f1e7387924fe4dded9e016632879c386c307ef5dcf63f496

    SHA512

    f73582206397db625bdefbbaf8abdc1a820ae8054eb2ef2a3ed18c8e00e8365c7ad81013b33990e4304619b3834a1b8b15c782905204add158fca686e2c25c3b

  • C:\Users\Admin\AppData\Local\Temp\9920.exe
    MD5

    3ba1d635fed88d8af279be91b7007bae

    SHA1

    62a1d59c746cdb51e699114f410749384a70cf73

    SHA256

    3151b115c3370d5360286bfe3a053d0d543f0e5d21faa68fee167224e68d115a

    SHA512

    83254fb484bd40740e5e0483dcc7fd8ce612033b00238494fdcdc5a5dcb3503195e0e2694edd5d848c07e2ddc61cafdb7d331afc4792ccd788837ebbce18bfeb

  • C:\Users\Admin\AppData\Local\Temp\9920.exe
    MD5

    3ba1d635fed88d8af279be91b7007bae

    SHA1

    62a1d59c746cdb51e699114f410749384a70cf73

    SHA256

    3151b115c3370d5360286bfe3a053d0d543f0e5d21faa68fee167224e68d115a

    SHA512

    83254fb484bd40740e5e0483dcc7fd8ce612033b00238494fdcdc5a5dcb3503195e0e2694edd5d848c07e2ddc61cafdb7d331afc4792ccd788837ebbce18bfeb

  • C:\Users\Admin\AppData\Local\Temp\BAA3.exe
    MD5

    f80418f12c03a56ac2e8d8b189c13750

    SHA1

    cd0b728375e4e178b50bca8ad65ce79aede30d37

    SHA256

    cbc5d7db8e27b2369a1d83c2d8615c1dbb6263e8b80c4b12a86493c9df093716

    SHA512

    e3fb85cc08a94193528ecc760b58904df47aa302419267c5b3386468e1d7fdece63fee05d8d95a083637b70a24035d3123c94463111ba372b39fcc69787aa196

  • C:\Users\Admin\AppData\Local\Temp\BAA3.exe
    MD5

    f80418f12c03a56ac2e8d8b189c13750

    SHA1

    cd0b728375e4e178b50bca8ad65ce79aede30d37

    SHA256

    cbc5d7db8e27b2369a1d83c2d8615c1dbb6263e8b80c4b12a86493c9df093716

    SHA512

    e3fb85cc08a94193528ecc760b58904df47aa302419267c5b3386468e1d7fdece63fee05d8d95a083637b70a24035d3123c94463111ba372b39fcc69787aa196

  • C:\Users\Admin\AppData\Local\Temp\D214.exe
    MD5

    7ade34e7d74c83cee4c8f288c90128d5

    SHA1

    13a4bf57f5777cdd9bfb0d9568392e39d3073ed0

    SHA256

    032bf53a2f8d5b6b4512505a44e67c7c1e80f3f8b063cc78d13f2c78c5fb9bad

    SHA512

    d65732c04d81bb5e947d9ff43bf40dc911659919bd662d24795ddddfcabe91135c71d7fcea2e1980f063827a9b8e51d9f16a0e8e0d3c46dc52df4a58f75b4c69

  • C:\Users\Admin\AppData\Local\Temp\D214.exe
    MD5

    7ade34e7d74c83cee4c8f288c90128d5

    SHA1

    13a4bf57f5777cdd9bfb0d9568392e39d3073ed0

    SHA256

    032bf53a2f8d5b6b4512505a44e67c7c1e80f3f8b063cc78d13f2c78c5fb9bad

    SHA512

    d65732c04d81bb5e947d9ff43bf40dc911659919bd662d24795ddddfcabe91135c71d7fcea2e1980f063827a9b8e51d9f16a0e8e0d3c46dc52df4a58f75b4c69

  • C:\Users\Admin\AppData\Local\Temp\D214.exe
    MD5

    7ade34e7d74c83cee4c8f288c90128d5

    SHA1

    13a4bf57f5777cdd9bfb0d9568392e39d3073ed0

    SHA256

    032bf53a2f8d5b6b4512505a44e67c7c1e80f3f8b063cc78d13f2c78c5fb9bad

    SHA512

    d65732c04d81bb5e947d9ff43bf40dc911659919bd662d24795ddddfcabe91135c71d7fcea2e1980f063827a9b8e51d9f16a0e8e0d3c46dc52df4a58f75b4c69

  • C:\Users\Admin\AppData\Local\Temp\D214.exe
    MD5

    7ade34e7d74c83cee4c8f288c90128d5

    SHA1

    13a4bf57f5777cdd9bfb0d9568392e39d3073ed0

    SHA256

    032bf53a2f8d5b6b4512505a44e67c7c1e80f3f8b063cc78d13f2c78c5fb9bad

    SHA512

    d65732c04d81bb5e947d9ff43bf40dc911659919bd662d24795ddddfcabe91135c71d7fcea2e1980f063827a9b8e51d9f16a0e8e0d3c46dc52df4a58f75b4c69

  • memory/396-121-0x00000000003C0000-0x00000000003D6000-memory.dmp
    Filesize

    88KB

  • memory/436-145-0x00000000003E0000-0x00000000003E1000-memory.dmp
    Filesize

    4KB

  • memory/436-142-0x0000000000000000-mapping.dmp
  • memory/436-151-0x0000000004B90000-0x0000000005196000-memory.dmp
    Filesize

    6.0MB

  • memory/1344-203-0x0000000000000000-mapping.dmp
  • memory/1344-207-0x0000000002DC0000-0x0000000002DC5000-memory.dmp
    Filesize

    20KB

  • memory/1344-206-0x0000000002DB0000-0x0000000002DB6000-memory.dmp
    Filesize

    24KB

  • memory/1344-209-0x0000000000400000-0x0000000002B74000-memory.dmp
    Filesize

    39.5MB

  • memory/1812-182-0x0000000075310000-0x0000000076658000-memory.dmp
    Filesize

    19.3MB

  • memory/1812-181-0x0000000074730000-0x0000000074CB4000-memory.dmp
    Filesize

    5.5MB

  • memory/1812-170-0x0000000076C40000-0x0000000076E02000-memory.dmp
    Filesize

    1.8MB

  • memory/1812-172-0x0000000076660000-0x0000000076751000-memory.dmp
    Filesize

    964KB

  • memory/1812-169-0x0000000000F00000-0x0000000000F01000-memory.dmp
    Filesize

    4KB

  • memory/1812-168-0x00000000010B0000-0x000000000111C000-memory.dmp
    Filesize

    432KB

  • memory/1812-165-0x0000000000000000-mapping.dmp
  • memory/1812-176-0x0000000071A80000-0x0000000071B00000-memory.dmp
    Filesize

    512KB

  • memory/1812-186-0x0000000070FE0000-0x000000007102B000-memory.dmp
    Filesize

    300KB

  • memory/1812-174-0x00000000010B0000-0x00000000010B1000-memory.dmp
    Filesize

    4KB

  • memory/1812-184-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB

  • memory/1812-183-0x00000000011F0000-0x0000000001235000-memory.dmp
    Filesize

    276KB

  • memory/2192-210-0x0000000000400000-0x0000000002B74000-memory.dmp
    Filesize

    39.5MB

  • memory/2652-187-0x0000000000000000-mapping.dmp
  • memory/2664-190-0x0000000000000000-mapping.dmp
  • memory/2888-199-0x00007FF6139F0000-0x00007FF6139F9000-memory.dmp
    Filesize

    36KB

  • memory/2888-193-0x00007FF6139F1364-mapping.dmp
  • memory/2888-192-0x00007FF6139F0000-0x00007FF6139F9000-memory.dmp
    Filesize

    36KB

  • memory/3708-119-0x00000000005B0000-0x00000000005B9000-memory.dmp
    Filesize

    36KB

  • memory/3708-120-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/3708-118-0x0000000000739000-0x0000000000742000-memory.dmp
    Filesize

    36KB

  • memory/4488-135-0x00000000058A0000-0x00000000058A1000-memory.dmp
    Filesize

    4KB

  • memory/4488-159-0x0000000007940000-0x0000000007941000-memory.dmp
    Filesize

    4KB

  • memory/4488-158-0x0000000007240000-0x0000000007241000-memory.dmp
    Filesize

    4KB

  • memory/4488-157-0x00000000069B0000-0x00000000069B1000-memory.dmp
    Filesize

    4KB

  • memory/4488-156-0x0000000006B70000-0x0000000006B71000-memory.dmp
    Filesize

    4KB

  • memory/4488-155-0x00000000065D0000-0x00000000065D1000-memory.dmp
    Filesize

    4KB

  • memory/4488-154-0x00000000064B0000-0x00000000064B1000-memory.dmp
    Filesize

    4KB

  • memory/4488-153-0x0000000005A30000-0x0000000005A31000-memory.dmp
    Filesize

    4KB

  • memory/4488-141-0x0000000070FE0000-0x000000007102B000-memory.dmp
    Filesize

    300KB

  • memory/4488-140-0x0000000005730000-0x0000000005731000-memory.dmp
    Filesize

    4KB

  • memory/4488-138-0x0000000075310000-0x0000000076658000-memory.dmp
    Filesize

    19.3MB

  • memory/4488-139-0x0000000005780000-0x0000000005781000-memory.dmp
    Filesize

    4KB

  • memory/4488-137-0x0000000074730000-0x0000000074CB4000-memory.dmp
    Filesize

    5.5MB

  • memory/4488-136-0x00000000056F0000-0x00000000056F1000-memory.dmp
    Filesize

    4KB

  • memory/4488-134-0x0000000005690000-0x0000000005691000-memory.dmp
    Filesize

    4KB

  • memory/4488-133-0x0000000005DA0000-0x0000000005DA1000-memory.dmp
    Filesize

    4KB

  • memory/4488-132-0x0000000001170000-0x00000000011B5000-memory.dmp
    Filesize

    276KB

  • memory/4488-131-0x0000000071A80000-0x0000000071B00000-memory.dmp
    Filesize

    512KB

  • memory/4488-129-0x0000000000920000-0x0000000000921000-memory.dmp
    Filesize

    4KB

  • memory/4488-128-0x0000000076660000-0x0000000076751000-memory.dmp
    Filesize

    964KB

  • memory/4488-127-0x0000000076C40000-0x0000000076E02000-memory.dmp
    Filesize

    1.8MB

  • memory/4488-126-0x0000000001100000-0x0000000001101000-memory.dmp
    Filesize

    4KB

  • memory/4488-125-0x0000000000920000-0x0000000000988000-memory.dmp
    Filesize

    416KB

  • memory/4488-122-0x0000000000000000-mapping.dmp