Analysis

  • max time kernel
    151s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    16-11-2021 12:01

General

  • Target

    5201ba2c701d2057290ed568a9f9cb03675ad4c4e518bca664079c596a2e80fd.exe

  • Size

    327KB

  • MD5

    dee5b0dbf7cc9cbe66681d1c0c0db53a

  • SHA1

    ff8ec995a114d98446800550df0ce547a4f24009

  • SHA256

    5201ba2c701d2057290ed568a9f9cb03675ad4c4e518bca664079c596a2e80fd

  • SHA512

    34cd9a762c087e98faee9175d001821ecbbaf5554dd5b7addcd9fff085a98ce63734c1b38b7d430fbac3a5276bc1ec4520f90739cbc4872233e4db73a45182b6

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

ddf183af4241e3172885cf1b2c4c1fb4ee03d05a

Attributes
  • url4cnc

    http://91.219.236.27/capibar

    http://5.181.156.92/capibar

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5201ba2c701d2057290ed568a9f9cb03675ad4c4e518bca664079c596a2e80fd.exe
    "C:\Users\Admin\AppData\Local\Temp\5201ba2c701d2057290ed568a9f9cb03675ad4c4e518bca664079c596a2e80fd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\Temp\5201ba2c701d2057290ed568a9f9cb03675ad4c4e518bca664079c596a2e80fd.exe
      "C:\Users\Admin\AppData\Local\Temp\5201ba2c701d2057290ed568a9f9cb03675ad4c4e518bca664079c596a2e80fd.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3252
  • C:\Users\Admin\AppData\Local\Temp\3489.exe
    C:\Users\Admin\AppData\Local\Temp\3489.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Local\Temp\3489.exe
      C:\Users\Admin\AppData\Local\Temp\3489.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3884
  • C:\Users\Admin\AppData\Local\Temp\4AB2.exe
    C:\Users\Admin\AppData\Local\Temp\4AB2.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Users\Admin\AppData\Local\Temp\4AB2.exe
      C:\Users\Admin\AppData\Local\Temp\4AB2.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:612
  • C:\Users\Admin\AppData\Local\Temp\5532.exe
    C:\Users\Admin\AppData\Local\Temp\5532.exe
    1⤵
    • Executes dropped EXE
    PID:1068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 480
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1456
  • C:\Users\Admin\AppData\Local\Temp\6DEC.exe
    C:\Users\Admin\AppData\Local\Temp\6DEC.exe
    1⤵
    • Executes dropped EXE
    PID:3268
  • C:\Users\Admin\AppData\Local\Temp\880C.exe
    C:\Users\Admin\AppData\Local\Temp\880C.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2304

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4AB2.exe.log
    MD5

    41fbed686f5700fc29aaccf83e8ba7fd

    SHA1

    5271bc29538f11e42a3b600c8dc727186e912456

    SHA256

    df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

    SHA512

    234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

  • C:\Users\Admin\AppData\Local\Temp\3489.exe
    MD5

    dee5b0dbf7cc9cbe66681d1c0c0db53a

    SHA1

    ff8ec995a114d98446800550df0ce547a4f24009

    SHA256

    5201ba2c701d2057290ed568a9f9cb03675ad4c4e518bca664079c596a2e80fd

    SHA512

    34cd9a762c087e98faee9175d001821ecbbaf5554dd5b7addcd9fff085a98ce63734c1b38b7d430fbac3a5276bc1ec4520f90739cbc4872233e4db73a45182b6

  • C:\Users\Admin\AppData\Local\Temp\3489.exe
    MD5

    dee5b0dbf7cc9cbe66681d1c0c0db53a

    SHA1

    ff8ec995a114d98446800550df0ce547a4f24009

    SHA256

    5201ba2c701d2057290ed568a9f9cb03675ad4c4e518bca664079c596a2e80fd

    SHA512

    34cd9a762c087e98faee9175d001821ecbbaf5554dd5b7addcd9fff085a98ce63734c1b38b7d430fbac3a5276bc1ec4520f90739cbc4872233e4db73a45182b6

  • C:\Users\Admin\AppData\Local\Temp\3489.exe
    MD5

    dee5b0dbf7cc9cbe66681d1c0c0db53a

    SHA1

    ff8ec995a114d98446800550df0ce547a4f24009

    SHA256

    5201ba2c701d2057290ed568a9f9cb03675ad4c4e518bca664079c596a2e80fd

    SHA512

    34cd9a762c087e98faee9175d001821ecbbaf5554dd5b7addcd9fff085a98ce63734c1b38b7d430fbac3a5276bc1ec4520f90739cbc4872233e4db73a45182b6

  • C:\Users\Admin\AppData\Local\Temp\4AB2.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • C:\Users\Admin\AppData\Local\Temp\4AB2.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • C:\Users\Admin\AppData\Local\Temp\4AB2.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • C:\Users\Admin\AppData\Local\Temp\5532.exe
    MD5

    d985b4cfdceecc3c0fe4f3e4fda4e416

    SHA1

    f3c14a4d87569e54faaf0eac73ec1aafa2621dfa

    SHA256

    a8b37d6b073ee045ae63473cb1a592c974e896b19e3db06d552f955901c06db7

    SHA512

    560a056c076db6893f6407807d9a10d1078c148aa588d9de6ce1874eeac0a4feaf2102b656ba96316a32c89df97986f20cf77e55117e2c9bf97e52ef3381335c

  • C:\Users\Admin\AppData\Local\Temp\5532.exe
    MD5

    d985b4cfdceecc3c0fe4f3e4fda4e416

    SHA1

    f3c14a4d87569e54faaf0eac73ec1aafa2621dfa

    SHA256

    a8b37d6b073ee045ae63473cb1a592c974e896b19e3db06d552f955901c06db7

    SHA512

    560a056c076db6893f6407807d9a10d1078c148aa588d9de6ce1874eeac0a4feaf2102b656ba96316a32c89df97986f20cf77e55117e2c9bf97e52ef3381335c

  • C:\Users\Admin\AppData\Local\Temp\6DEC.exe
    MD5

    8f79110737dc06d512478b5f7d8d5c2b

    SHA1

    6c1cb2cb48d77ec4bb4e500f0fa7ab873d35e063

    SHA256

    bf5031c61e39f9dfb379eba03181bfc5bdc63527c25588279fc9e2684e462c11

    SHA512

    efc3b733905b6266d17c33ef8e091307ea6afcef2d1f292431ffc6701eb07d49197512d24d583f82781f9eccad4084c808ce547e82deaec28f1adac8251836e6

  • C:\Users\Admin\AppData\Local\Temp\6DEC.exe
    MD5

    8f79110737dc06d512478b5f7d8d5c2b

    SHA1

    6c1cb2cb48d77ec4bb4e500f0fa7ab873d35e063

    SHA256

    bf5031c61e39f9dfb379eba03181bfc5bdc63527c25588279fc9e2684e462c11

    SHA512

    efc3b733905b6266d17c33ef8e091307ea6afcef2d1f292431ffc6701eb07d49197512d24d583f82781f9eccad4084c808ce547e82deaec28f1adac8251836e6

  • C:\Users\Admin\AppData\Local\Temp\880C.exe
    MD5

    e6b720b5974e96b75819603792352565

    SHA1

    51319678ec88f9a9db23aac1270839d08acd2d74

    SHA256

    caac7c774c5f0ed485f6d37a03479f32160699db0a9dff42c1df1fc425b764ec

    SHA512

    1ad8a72daa0f3c01ddd3af7fde742818a458c8ca63bca78a03197532808f9762b80428ac3ef2de843419d341b2e6b26a3cc02f672389b777dae5e054c0d9fdf5

  • memory/612-144-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/612-158-0x00000000052A0000-0x00000000052A1000-memory.dmp
    Filesize

    4KB

  • memory/612-151-0x00000000051C0000-0x00000000051C1000-memory.dmp
    Filesize

    4KB

  • memory/612-152-0x00000000052F0000-0x00000000052F1000-memory.dmp
    Filesize

    4KB

  • memory/612-153-0x0000000005260000-0x0000000005261000-memory.dmp
    Filesize

    4KB

  • memory/612-150-0x0000000005750000-0x0000000005751000-memory.dmp
    Filesize

    4KB

  • memory/612-182-0x0000000007490000-0x0000000007491000-memory.dmp
    Filesize

    4KB

  • memory/612-181-0x0000000006D90000-0x0000000006D91000-memory.dmp
    Filesize

    4KB

  • memory/612-177-0x0000000006120000-0x0000000006121000-memory.dmp
    Filesize

    4KB

  • memory/612-145-0x0000000000418EEA-mapping.dmp
  • memory/612-154-0x0000000005140000-0x0000000005746000-memory.dmp
    Filesize

    6.0MB

  • memory/612-170-0x0000000005570000-0x0000000005571000-memory.dmp
    Filesize

    4KB

  • memory/752-135-0x0000000005110000-0x0000000005111000-memory.dmp
    Filesize

    4KB

  • memory/752-128-0x0000000000000000-mapping.dmp
  • memory/752-139-0x0000000005790000-0x0000000005791000-memory.dmp
    Filesize

    4KB

  • memory/752-134-0x00000000050B0000-0x0000000005126000-memory.dmp
    Filesize

    472KB

  • memory/752-133-0x0000000005130000-0x0000000005131000-memory.dmp
    Filesize

    4KB

  • memory/752-131-0x0000000000930000-0x0000000000931000-memory.dmp
    Filesize

    4KB

  • memory/1068-141-0x0000000000440000-0x000000000058A000-memory.dmp
    Filesize

    1.3MB

  • memory/1068-136-0x0000000000000000-mapping.dmp
  • memory/1068-140-0x0000000000440000-0x000000000058A000-memory.dmp
    Filesize

    1.3MB

  • memory/1068-142-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB

  • memory/2304-162-0x0000000000000000-mapping.dmp
  • memory/2304-188-0x0000000007920000-0x0000000007921000-memory.dmp
    Filesize

    4KB

  • memory/2304-178-0x0000000006160000-0x0000000006161000-memory.dmp
    Filesize

    4KB

  • memory/2304-168-0x0000000000B70000-0x0000000000B71000-memory.dmp
    Filesize

    4KB

  • memory/2304-164-0x0000000077280000-0x000000007740E000-memory.dmp
    Filesize

    1.6MB

  • memory/2744-118-0x0000000002410000-0x000000000255A000-memory.dmp
    Filesize

    1.3MB

  • memory/2744-115-0x0000000002589000-0x000000000259A000-memory.dmp
    Filesize

    68KB

  • memory/2964-127-0x00000000024D0000-0x00000000024D9000-memory.dmp
    Filesize

    36KB

  • memory/2964-120-0x0000000000000000-mapping.dmp
  • memory/3004-119-0x0000000000650000-0x0000000000666000-memory.dmp
    Filesize

    88KB

  • memory/3004-143-0x0000000002150000-0x0000000002166000-memory.dmp
    Filesize

    88KB

  • memory/3252-116-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3252-117-0x0000000000402DD8-mapping.dmp
  • memory/3268-161-0x0000000000400000-0x0000000000491000-memory.dmp
    Filesize

    580KB

  • memory/3268-160-0x0000000002070000-0x00000000020FF000-memory.dmp
    Filesize

    572KB

  • memory/3268-159-0x0000000001FA0000-0x0000000001FEF000-memory.dmp
    Filesize

    316KB

  • memory/3268-155-0x0000000000000000-mapping.dmp
  • memory/3884-125-0x0000000000402DD8-mapping.dmp