General

  • Target

    87ff226077aa2f3db328d217b8a19033_JaffaCakes118

  • Size

    4.3MB

  • Sample

    240531-xkrnmshe4w

  • MD5

    87ff226077aa2f3db328d217b8a19033

  • SHA1

    946b7937d9f7742199b59c4024848a695b27c36b

  • SHA256

    d1d65a8a10ee7258e2c0c2d43a8180a0faa56c399c76eecd075d053d565a8ddd

  • SHA512

    0930d4b17d6c2617f5edbdd75974d015b3da27e07d1ef903d7c5fb20366c74394a1450f4f924d6a924d6d622e3c282e84406d0a94c171aaf5eaccf432532a317

  • SSDEEP

    98304:6jPCB2u8y+sPeGrVbh63v7jJiX8gezUs1Vr8kff+IpSYaJEFm6miF58yW4/eqDZQ:ePCBIy+WbrBU35J3Us7rhbprOPSyyGqO

Malware Config

Extracted

Family

cryptbot

C2

nife04.info

Targets

    • Target

      87ff226077aa2f3db328d217b8a19033_JaffaCakes118

    • Size

      4.3MB

    • MD5

      87ff226077aa2f3db328d217b8a19033

    • SHA1

      946b7937d9f7742199b59c4024848a695b27c36b

    • SHA256

      d1d65a8a10ee7258e2c0c2d43a8180a0faa56c399c76eecd075d053d565a8ddd

    • SHA512

      0930d4b17d6c2617f5edbdd75974d015b3da27e07d1ef903d7c5fb20366c74394a1450f4f924d6a924d6d622e3c282e84406d0a94c171aaf5eaccf432532a317

    • SSDEEP

      98304:6jPCB2u8y+sPeGrVbh63v7jJiX8gezUs1Vr8kff+IpSYaJEFm6miF58yW4/eqDZQ:ePCBIy+WbrBU35J3Us7rhbprOPSyyGqO

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      bf712f32249029466fa86756f5546950

    • SHA1

      75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

    • SHA256

      7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

    • SHA512

      13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

    • SSDEEP

      192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/

    Score
    3/10
    • Target

      $PLUGINSDIR/UAC.dll

    • Size

      14KB

    • MD5

      adb29e6b186daa765dc750128649b63d

    • SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

    • SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    • SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • SSDEEP

      192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs

    Score
    3/10
    • Target

      $PLUGINSDIR/UserInfo.dll

    • Size

      4KB

    • MD5

      c7ce0e47c83525983fd2c4c9566b4aad

    • SHA1

      38b7ad7bb32ffae35540fce373b8a671878dc54e

    • SHA256

      6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae

    • SHA512

      ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e

    Score
    3/10
    • Target

      $PLUGINSDIR/nsDialogs.dll

    • Size

      9KB

    • MD5

      4ccc4a742d4423f2f0ed744fd9c81f63

    • SHA1

      704f00a1acc327fd879cf75fc90d0b8f927c36bc

    • SHA256

      416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6

    • SHA512

      790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb

    • SSDEEP

      192:SbEunjqjIcESwFlioU3M0LLF/t8t9pKSfOi:SbESjFCw6oWPFl8jfOi

    Score
    3/10
    • Target

      $PLUGINSDIR/nsExec.dll

    • Size

      6KB

    • MD5

      132e6153717a7f9710dcea4536f364cd

    • SHA1

      e39bc82c7602e6dd0797115c2bd12e872a5fb2ab

    • SHA256

      d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2

    • SHA512

      9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1

    • SSDEEP

      96:M/SspqrIYxLPEQhThvov3TE4/2Sa5P9QFFYzOx4uF3sbSEI5LP39sQvM:M/QUG7lhvov36S5FcUjliSEI5LuQ

    Score
    3/10
    • Target

      Cdx.exe

    • Size

      2.0MB

    • MD5

      4439cc1740e82b9f3fb33530a6e1e8a6

    • SHA1

      48e54edeaa74bef978331bd8462a6574e3d0082e

    • SHA256

      808df2e63220ea5d4f44e14fc2889aaf5fc4cf4ae4a108483d98b8af731a6996

    • SHA512

      2b356b2fe5bd74e6ddaaa26b8e56c1dc0b8b6d96239169c23c4e8648bae8dc786c1ae65278a3a701fc56f5057920ed067c5021b97090935beff1512a7c70324b

    • SSDEEP

      49152:Hf5mcwBi0TiPVzkFO4gvAro3PGleYWRRgisE3R/4:HfVwB9eRkFDgDeQ/A

    Score
    9/10
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      Setup.exe

    • Size

      2.2MB

    • MD5

      85f23b584b90f70c3df7fc98786cef0e

    • SHA1

      f79271242dc8332ea8ac3644367b86a1fdb6604c

    • SHA256

      dcaae466817bfe1a408ce564c702ccc373eff859b6b134f2b8b5b10142e948d8

    • SHA512

      a3d33cedf920e83eb438306821e8243d815c85176c993e6b91fba6c5279c3e0f47f8a868b8f10a80b3f8edf53f6625af566eef22da7a182896ad812e26b58a7d

    • SSDEEP

      49152:lCx+HwjTC4kNA6XJcJ0p4+0SsGbeJzt85iMa+YIokZEIyJ6P16:lCx+QjTC4uXaQ4Dhu5MIhDyJ6P16

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      Two.vbs

    • Size

      126B

    • MD5

      c6362e3c5585f24a9e9a2712c00c52ff

    • SHA1

      9259b9609313386f004328d2c306820eae01a587

    • SHA256

      184ca5b2737175e0828f3546d483778c95e23720f1375deac0090c2fe415e208

    • SHA512

      59ac94fdb6f41d6dc5cbea1855897759f35032ac922b936a0b39a21b6aafb0c862c5d419afa31c0b81f106f2ce06b2909cdb5fb713534fbe36202c5a4fedfeaa

    Score
    8/10
    • Blocklisted process makes network request

    • Legitimate hosting services abused for malware hosting/C2

    • Target

      enigma_ide.dll

    • Size

      18KB

    • MD5

      b7b200d4c9716ea98858570e9cb53658

    • SHA1

      19d145b80a7367b4845f1cc1528b9238d9836add

    • SHA256

      e2ee71162fa60d278b8c833a4487e33fcef771e485a350f3e9fb2365909f214e

    • SHA512

      5b26ebcabd2dcf7350444f781d1b6d81e12aa4c4fd3aa101e0978f57146f2fd9a532daaa4e3d83ed828ae6afc56cbd35db2b2c26c84081ecfd148b5f3a5611f6

    • SSDEEP

      384:uezhZEAyI91y8yu9pl0SMPAzVTZgcFhKUdx5:7c8yu/uQNZgcF/d

    Score
    1/10
    • Target

      enigma_ide64.dll

    • Size

      41KB

    • MD5

      39db21ffd436484891026a5e99710b26

    • SHA1

      2b736f826bd2d7ce215f8048b5f73d0b330b12b0

    • SHA256

      5141f9f501eb6c8f402db79f99b5a21998bd7ce1e28eb077c565e34b2a2be891

    • SHA512

      47debf6588f27454414a0a2b4eae6ba2ade7ecd00802ad1bf8f6c52a3b1a64a025149a953743587d46dc5e392e12350329465b31c206a40ace64c77a33d4705e

    • SSDEEP

      768:QxyTrKwS3DjRWxNysLx/rlqKtkKZEZvHYkc/Fv:HTrrSaRlxDm3c/

    Score
    1/10
    • Target

      udis.dll

    • Size

      129KB

    • MD5

      88e01cf86d15be0df1209c5f0f76e4f5

    • SHA1

      6f0a0e19acdf66764c5fd0a03c1787a982746c6c

    • SHA256

      4f21456111057cfae3147c674573a3f72edc2ab22d1ea2b1b07611bfe9678eca

    • SHA512

      6c1a3a9255b681a877ccc1fb088bce77437c40cfd5e4592064dd7b9a8554630b2beb6affcd2f9681889e013d27c9219f10139fe86e5678968236baa4482ff4c6

    • SSDEEP

      1536:3oytRJNwZ2wcUH8jeo46JH5ujVrWpPwMmOZoqqPu23ipyqb1EE4:YyM6UcjznCWKOZo/Pu2iN1

    Score
    3/10

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

6
T1497

Subvert Trust Controls

2
T1553

Install Root Certificate

2
T1553.004

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

13
T1012

Virtualization/Sandbox Evasion

6
T1497

System Information Discovery

7
T1082

Collection

Data from Local System

4
T1005

Command and Control

Web Service

2
T1102

Tasks