Analysis

  • max time kernel
    82s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2024 06:29

General

  • Target

    8bc1d89425bc20bba752abfa875162a03ace5f5fa34eacb70f483a3421fc7768N.exe

  • Size

    72KB

  • MD5

    6eb7efd65dc0d470e5c2f7a375e1e440

  • SHA1

    0b0fdf3c5df14b60bb1c84849f6c2ee98c89a87c

  • SHA256

    8bc1d89425bc20bba752abfa875162a03ace5f5fa34eacb70f483a3421fc7768

  • SHA512

    9ab953cb49c19e615b1b2732cb4d7774cc1447b51a57b45f4d08d8e33a4e173381a364cf64ee24052380c19b82c09a4a3be60880139c219d12d922dca73418c4

  • SSDEEP

    1536:gtUxChBVWd61TuAh5jtZVEX15tUsoi2DUaO:gtUAhfWdQZh9tZVEX15teiGpO

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 30 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Berbew family
  • Executes dropped EXE 15 IoCs
  • Loads dropped DLL 34 IoCs
  • Drops file in System32 directory 45 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 48 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8bc1d89425bc20bba752abfa875162a03ace5f5fa34eacb70f483a3421fc7768N.exe
    "C:\Users\Admin\AppData\Local\Temp\8bc1d89425bc20bba752abfa875162a03ace5f5fa34eacb70f483a3421fc7768N.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\SysWOW64\Jpepkk32.exe
      C:\Windows\system32\Jpepkk32.exe
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Windows\SysWOW64\Jllqplnp.exe
        C:\Windows\system32\Jllqplnp.exe
        3⤵
        • Adds autorun key to be loaded by Explorer.exe on startup
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Windows\SysWOW64\Jmkmjoec.exe
          C:\Windows\system32\Jmkmjoec.exe
          4⤵
          • Adds autorun key to be loaded by Explorer.exe on startup
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2720
          • C:\Windows\SysWOW64\Jfcabd32.exe
            C:\Windows\system32\Jfcabd32.exe
            5⤵
            • Adds autorun key to be loaded by Explorer.exe on startup
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:2888
            • C:\Windows\SysWOW64\Jplfkjbd.exe
              C:\Windows\system32\Jplfkjbd.exe
              6⤵
              • Adds autorun key to be loaded by Explorer.exe on startup
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:2784
              • C:\Windows\SysWOW64\Kambcbhb.exe
                C:\Windows\system32\Kambcbhb.exe
                7⤵
                • Adds autorun key to be loaded by Explorer.exe on startup
                • Executes dropped EXE
                • Loads dropped DLL
                • Drops file in System32 directory
                • System Location Discovery: System Language Discovery
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:2676
                • C:\Windows\SysWOW64\Kjeglh32.exe
                  C:\Windows\system32\Kjeglh32.exe
                  8⤵
                  • Adds autorun key to be loaded by Explorer.exe on startup
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:1648
                  • C:\Windows\SysWOW64\Kekkiq32.exe
                    C:\Windows\system32\Kekkiq32.exe
                    9⤵
                    • Adds autorun key to be loaded by Explorer.exe on startup
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Drops file in System32 directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:1804
                    • C:\Windows\SysWOW64\Kmfpmc32.exe
                      C:\Windows\system32\Kmfpmc32.exe
                      10⤵
                      • Adds autorun key to be loaded by Explorer.exe on startup
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:1740
                      • C:\Windows\SysWOW64\Kdphjm32.exe
                        C:\Windows\system32\Kdphjm32.exe
                        11⤵
                        • Adds autorun key to be loaded by Explorer.exe on startup
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Drops file in System32 directory
                        • System Location Discovery: System Language Discovery
                        • Modifies registry class
                        • Suspicious use of WriteProcessMemory
                        PID:2000
                        • C:\Windows\SysWOW64\Koflgf32.exe
                          C:\Windows\system32\Koflgf32.exe
                          12⤵
                          • Adds autorun key to be loaded by Explorer.exe on startup
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • Drops file in System32 directory
                          • System Location Discovery: System Language Discovery
                          • Modifies registry class
                          • Suspicious use of WriteProcessMemory
                          PID:1912
                          • C:\Windows\SysWOW64\Kdbepm32.exe
                            C:\Windows\system32\Kdbepm32.exe
                            13⤵
                            • Adds autorun key to be loaded by Explorer.exe on startup
                            • Executes dropped EXE
                            • Loads dropped DLL
                            • Drops file in System32 directory
                            • System Location Discovery: System Language Discovery
                            • Modifies registry class
                            • Suspicious use of WriteProcessMemory
                            PID:2424
                            • C:\Windows\SysWOW64\Kmkihbho.exe
                              C:\Windows\system32\Kmkihbho.exe
                              14⤵
                              • Adds autorun key to be loaded by Explorer.exe on startup
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • Drops file in System32 directory
                              • System Location Discovery: System Language Discovery
                              • Modifies registry class
                              • Suspicious use of WriteProcessMemory
                              PID:2264
                              • C:\Windows\SysWOW64\Libjncnc.exe
                                C:\Windows\system32\Libjncnc.exe
                                15⤵
                                • Adds autorun key to be loaded by Explorer.exe on startup
                                • Executes dropped EXE
                                • Loads dropped DLL
                                • Drops file in System32 directory
                                • System Location Discovery: System Language Discovery
                                • Modifies registry class
                                • Suspicious use of WriteProcessMemory
                                PID:2588
                                • C:\Windows\SysWOW64\Lbjofi32.exe
                                  C:\Windows\system32\Lbjofi32.exe
                                  16⤵
                                  • Executes dropped EXE
                                  • System Location Discovery: System Language Discovery
                                  • Suspicious use of WriteProcessMemory
                                  PID:980
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 980 -s 140
                                    17⤵
                                    • Loads dropped DLL
                                    • Program crash
                                    PID:1032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Ibodnd32.dll

    Filesize

    7KB

    MD5

    cb76929cd00a5a371c3e3409968501a2

    SHA1

    779b4dac40d2b7bb0535c7c316342afc13404d1e

    SHA256

    791ea2c757da98d004339be7f48a3c622b350799e7935e01923d49dd1fd52690

    SHA512

    dc2d9c5bdcd2ceee221cd2922ed939fad16840086a88b78cf4a51f095bf8def68f86e1f84649658443ea97914c9a9303ea5226e23a344a4ad647fac56772df9d

  • C:\Windows\SysWOW64\Jfcabd32.exe

    Filesize

    72KB

    MD5

    5dc696923e878195d63f5ea1536cb4ff

    SHA1

    800ade99fc8f86a2fafd6d999396fc53d2c022e8

    SHA256

    e6617da0017239ee824d6518cca168c6ec0a0c508a46a3e8735a1a47008e6ef8

    SHA512

    f052918db2f5d7b2e98e04e125437e0da8954ce3d519acf53764ffea565a0e902e14cb88432cbef772ca502072b56f58bc194d7fdccc7a4b82d9818d904312c4

  • C:\Windows\SysWOW64\Jllqplnp.exe

    Filesize

    72KB

    MD5

    6f1b96f03a927ae1fe6caa005ef6372d

    SHA1

    c37c6695f9ad017844b6cce9c870c7092d7213b4

    SHA256

    c1350e1aee7541538e6ca14937c09e4556cdbbfdb4b5ee89442bb9a27951571b

    SHA512

    eb295d08fbbd3eb0f0e345efb64eb1f2a83216caa151fee822d35ca67b7d837ed39dceb44da79a6617984775add30b1667797e8ad513783ff0c177dd5b4ce98a

  • C:\Windows\SysWOW64\Jmkmjoec.exe

    Filesize

    72KB

    MD5

    44035f6a3be7c6f09b90517ecc5bef85

    SHA1

    3fa4a5bead899fbc655a79c193d48f8b0462489f

    SHA256

    554aff39d439ac0e3d783f1505d67fc70440710c485c7e614c0f72699f9ec182

    SHA512

    18babbe94a9dad2991d705b353eb3f9eb27bcbf8d8f832fce870537c20dec25737ebd0db1f29a8b37e6abb9672257d8928215e1312fa852a970fe72c20aa4209

  • C:\Windows\SysWOW64\Jpepkk32.exe

    Filesize

    72KB

    MD5

    7f61cd8b2590cd581b779bf6534d72ca

    SHA1

    d369171c33ebf8db660e764f5b181abf8b4aeddd

    SHA256

    ab2cd9c170ed4a79adbc2812c5c6ee6b216778ad10c40c29bfafdc86dbd2fa2c

    SHA512

    4004ca7472cdfd4a28c668b8809eae8bd9a2a5669780b917bbe0b84042d8e75d636da9fe03b0bc77807eaa323429127fd2ea338446bf4697471b03bbfd81f737

  • C:\Windows\SysWOW64\Jplfkjbd.exe

    Filesize

    72KB

    MD5

    e11cdded362b232b26c9f96a2ec64f59

    SHA1

    3ad3f59362f4a4b89ef649aaf61e24faf66d95e7

    SHA256

    b75a242d96645c27fab3f956ce921ce8ea97410b423e9cf33bd6c475b2ae540f

    SHA512

    d89b7503efd9092d2f01fc5da11b0fda92506b447da4664d8c3b613bc241352f878b6be29405f890c09f12cd6bc36a7815f3e4a372ad29a3f637b0156ede083a

  • C:\Windows\SysWOW64\Kdbepm32.exe

    Filesize

    72KB

    MD5

    b5f5c6630e722792038d834478cd3096

    SHA1

    575f7e225853aedbcee82655a83376b214d1c2bc

    SHA256

    4f26c4afd4347b71714c1f3b75a59223cafcd94cb4bfd8153c21b8d9172fcfed

    SHA512

    ffab806c81465de9fd2d90aa0c7954d339ef1b435a0d6628fd9bf592bf980b6c243fe444d43ce9fa2b1b5baa0325e2fbd70e42119f4ec6ec760ff1816cd7cae8

  • C:\Windows\SysWOW64\Kekkiq32.exe

    Filesize

    72KB

    MD5

    24c4dd9fcb2c901f2de089f37b7f47ae

    SHA1

    bb95d50240315aeed5b3f9a91019e1a94b634752

    SHA256

    45e2d7626fac885534f39df94a005ef40119c2dd654bdb247e266e4a6e0a56f8

    SHA512

    c595b3a328db2e43f53c7d982a226f699bce143e323b1a7650ba40a9c5778382310e9135646d56b7e0cdd26d070beef2d77137d9f7c74d79939c2710dcf92870

  • C:\Windows\SysWOW64\Kjeglh32.exe

    Filesize

    72KB

    MD5

    a2ec55d285be83f4225b65fbfae59e32

    SHA1

    0bd20cba136a14439093cbd569debb8866f59be6

    SHA256

    f6c161fe27139c804dc80206b4654d21055fec83984b51beb97c59024a11c26f

    SHA512

    fbe15766c90e5b5539cd9d80f9951730e115cc9581d45a94bd537db01070d14a1d95317d7d623d8d6aa67fb7e1c5741fed125d52ac4f16ebd07e0bfb9757d9cb

  • C:\Windows\SysWOW64\Kmfpmc32.exe

    Filesize

    72KB

    MD5

    168d5cb96691ac554a98a89c066b383a

    SHA1

    0921fdce57255a83730c1db0163fe1ead42f90e9

    SHA256

    54476c14221d1fba832ad2d14029f0b9b54968c2868eaafd3d76cb130f425c91

    SHA512

    515fbe9d1815f882b68c9f96f6bd0f82dee3014e407a3ed540feab951c1443bef2a6bd3fda3efeecfc137158577b3e4ab8c90a97a8b42fd4cedc76d6ad2e9e81

  • C:\Windows\SysWOW64\Kmkihbho.exe

    Filesize

    72KB

    MD5

    dfe85f344dc0579177dee1655c8f1c6d

    SHA1

    6f6324e9b7d007f56b9d82dead57429195594234

    SHA256

    acc94dd46d32aad2de071850699eabb6cb6b66068ef99310cce8dd0225194711

    SHA512

    d4ceec0688d1ae04d378d79710b2d74f6a8652ed2a5a5671df342b2f98bcc7f3ac825622d3efb2465280e65d6733197f1bba40c17bb3254f1ae56af516d385bd

  • C:\Windows\SysWOW64\Koflgf32.exe

    Filesize

    72KB

    MD5

    e872733568492f3e8e99becbfec6891b

    SHA1

    c81aea1f7a14e8140ddfd1f757c9ef1f221205aa

    SHA256

    817906d322f091fb9e9785db9794e3bac54e1f9ebee0d129bc2397bafec29d13

    SHA512

    0ec185f1bd66ecdc4bad58b4ea8275bd366085209c996ac84e5b7c8f7b6d392e337ac07ff1366697918c591ed820bb0d1dcdbc29b888ade95b194c0dbb85f319

  • C:\Windows\SysWOW64\Lbjofi32.exe

    Filesize

    72KB

    MD5

    2c75c451b90a434777a78b341b59fd67

    SHA1

    c9c4a9b142faab4cb4f5ab865ee2d290c3184bfe

    SHA256

    4f20e9f5e3b3e671bbb484a5020bb5bbf33f2fa0d1a6354f9a82d760eeebe433

    SHA512

    3cb479c473755963ccd5a117a60d368b2c5b1ad309865b93912a70b6774183ad0c7c43c2ec208f95437d6a38002318644315b52b0c56318f0260e339b32450e3

  • \Windows\SysWOW64\Kambcbhb.exe

    Filesize

    72KB

    MD5

    e2a24c4001819a44e56ab2ac1479792a

    SHA1

    696de1204239e379d108e56c82eb6c4c9281693e

    SHA256

    162ff0b10ade8063794809d268f8da3507d0937d7f3cca2b9263c232adac8b65

    SHA512

    be83cc564632b7ef0140dcc442b40bfb0841f15978acf49771072357df93a0a80001eda60e62f9ca9a263f07625871c6f227de9b279dfee688e7e86bb845d8e8

  • \Windows\SysWOW64\Kdphjm32.exe

    Filesize

    72KB

    MD5

    03260b06cc196103beca3dfe72442228

    SHA1

    27de38b2387c14cf86fccff514efc4c5e8e61b09

    SHA256

    a95a1ab3d154cec7efb29bb6bdff4370d231f40955f7604aebba3ff97e87674e

    SHA512

    685cec009924f85d596983050733638477c0a21be6f4f05fbdd85e017b361b24fe3eecd4cfd009b260961e6d9bee08a2259455ee8120cf4736cab19001c29e5a

  • \Windows\SysWOW64\Libjncnc.exe

    Filesize

    72KB

    MD5

    334922b9c0daf978bdc133b9d64cfec4

    SHA1

    3da22c60cb2d093190a3da1d1ece6d769ed3f8ee

    SHA256

    6145c4554210c30f616ea015306dcc03212b7e9e21b3c967f05987c144793e40

    SHA512

    0daf007edf7ef71951fa0e243dd0420bd05ae99ec194481db6703b46e7a5acb622fe95dbe368cb022ad33778223b1c26d26da6e82089471543bf8079da3f4603

  • memory/980-225-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/1648-219-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/1648-93-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/1648-101-0x0000000000220000-0x0000000000254000-memory.dmp

    Filesize

    208KB

  • memory/1740-127-0x0000000000220000-0x0000000000254000-memory.dmp

    Filesize

    208KB

  • memory/1740-214-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/1740-119-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/1804-215-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/1912-157-0x00000000002D0000-0x0000000000304000-memory.dmp

    Filesize

    208KB

  • memory/1912-158-0x00000000002D0000-0x0000000000304000-memory.dmp

    Filesize

    208KB

  • memory/1912-207-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2000-218-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2000-140-0x0000000000220000-0x0000000000254000-memory.dmp

    Filesize

    208KB

  • memory/2264-173-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2264-210-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2424-160-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2424-211-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2588-198-0x00000000003A0000-0x00000000003D4000-memory.dmp

    Filesize

    208KB

  • memory/2588-206-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2588-186-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2676-89-0x0000000000220000-0x0000000000254000-memory.dmp

    Filesize

    208KB

  • memory/2676-222-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2720-47-0x00000000001B0000-0x00000000001E4000-memory.dmp

    Filesize

    208KB

  • memory/2720-232-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2740-27-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2740-35-0x0000000000220000-0x0000000000254000-memory.dmp

    Filesize

    208KB

  • memory/2740-233-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2784-223-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2784-74-0x0000000000230000-0x0000000000264000-memory.dmp

    Filesize

    208KB

  • memory/2888-231-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2888-61-0x0000000000220000-0x0000000000254000-memory.dmp

    Filesize

    208KB

  • memory/2980-19-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/3052-229-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/3052-0-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/3052-11-0x00000000001B0000-0x00000000001E4000-memory.dmp

    Filesize

    208KB

  • memory/3052-12-0x00000000001B0000-0x00000000001E4000-memory.dmp

    Filesize

    208KB