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Analysis
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max time kernel
63s -
max time network
64s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06/01/2023, 01:16
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
1.9MB
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MD5
c0c1b07349e5627ac75c1a3acbbcc5dd
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SHA1
1b252adaef3682657cc0473a4d5a5725c7fc8b11
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SHA256
98cc016f7aaa1b5ece9265b613a7dcd56458b56dbc0bf5b1a52946fbfe0d0ef8
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SHA512
fe4aa3b8af18add5927a2b7cafa24eb23546d88654f75cc8f8ebaa9279b1ba919c08aa8d5b4e138b1d49af78fc68a9996dde68512cee22b3387032f435796c5e
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SSDEEP
49152:bihYNfRUZXavMO0Jovs4vDO9mu6PbsnXDMetVE8UkqB9:biIR26MaXv8muKoTMetVpqb
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1724 is-DLCU4.tmp 960 SplitFiles131.exe 1360 aadF7xIU.exe -
Loads dropped DLL 10 IoCs
pid Process 536 file.exe 1724 is-DLCU4.tmp 1724 is-DLCU4.tmp 1724 is-DLCU4.tmp 1724 is-DLCU4.tmp 960 SplitFiles131.exe 960 SplitFiles131.exe 960 SplitFiles131.exe 1360 aadF7xIU.exe 1360 aadF7xIU.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 17 IoCs
description ioc Process File created C:\Program Files (x86)\Split Files\unins000.dat is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\language\is-QDO83.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\is-PLUOQ.tmp is-DLCU4.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\is-O9VVR.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\language\is-ADA2M.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\language\is-KBDNI.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\language\is-HNPH7.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\language\is-TRS7R.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\is-IDSMF.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\language\is-JJTMD.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\is-9CECV.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\is-O0OIJ.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\language\is-ECLCE.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\language\is-BP3KU.tmp is-DLCU4.tmp File created C:\Program Files (x86)\Split Files\language\is-QHKLJ.tmp is-DLCU4.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles131.exe is-DLCU4.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
pid Process 844 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 960 SplitFiles131.exe 960 SplitFiles131.exe 960 SplitFiles131.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1724 is-DLCU4.tmp Token: SeBackupPrivilege 1724 is-DLCU4.tmp Token: SeDebugPrivilege 844 taskkill.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 536 wrote to memory of 1724 536 file.exe 28 PID 536 wrote to memory of 1724 536 file.exe 28 PID 536 wrote to memory of 1724 536 file.exe 28 PID 536 wrote to memory of 1724 536 file.exe 28 PID 536 wrote to memory of 1724 536 file.exe 28 PID 536 wrote to memory of 1724 536 file.exe 28 PID 536 wrote to memory of 1724 536 file.exe 28 PID 1724 wrote to memory of 960 1724 is-DLCU4.tmp 29 PID 1724 wrote to memory of 960 1724 is-DLCU4.tmp 29 PID 1724 wrote to memory of 960 1724 is-DLCU4.tmp 29 PID 1724 wrote to memory of 960 1724 is-DLCU4.tmp 29 PID 1724 wrote to memory of 960 1724 is-DLCU4.tmp 29 PID 1724 wrote to memory of 960 1724 is-DLCU4.tmp 29 PID 1724 wrote to memory of 960 1724 is-DLCU4.tmp 29 PID 960 wrote to memory of 1360 960 SplitFiles131.exe 30 PID 960 wrote to memory of 1360 960 SplitFiles131.exe 30 PID 960 wrote to memory of 1360 960 SplitFiles131.exe 30 PID 960 wrote to memory of 1360 960 SplitFiles131.exe 30 PID 960 wrote to memory of 1360 960 SplitFiles131.exe 30 PID 960 wrote to memory of 1360 960 SplitFiles131.exe 30 PID 960 wrote to memory of 1360 960 SplitFiles131.exe 30 PID 960 wrote to memory of 700 960 SplitFiles131.exe 33 PID 960 wrote to memory of 700 960 SplitFiles131.exe 33 PID 960 wrote to memory of 700 960 SplitFiles131.exe 33 PID 960 wrote to memory of 700 960 SplitFiles131.exe 33 PID 960 wrote to memory of 700 960 SplitFiles131.exe 33 PID 960 wrote to memory of 700 960 SplitFiles131.exe 33 PID 960 wrote to memory of 700 960 SplitFiles131.exe 33 PID 700 wrote to memory of 844 700 cmd.exe 35 PID 700 wrote to memory of 844 700 cmd.exe 35 PID 700 wrote to memory of 844 700 cmd.exe 35 PID 700 wrote to memory of 844 700 cmd.exe 35 PID 700 wrote to memory of 844 700 cmd.exe 35 PID 700 wrote to memory of 844 700 cmd.exe 35 PID 700 wrote to memory of 844 700 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Users\Admin\AppData\Local\Temp\is-2K28O.tmp\is-DLCU4.tmp"C:\Users\Admin\AppData\Local\Temp\is-2K28O.tmp\is-DLCU4.tmp" /SL4 $60122 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1692618 1704962⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Program Files (x86)\Split Files\SplitFiles131.exe"C:\Program Files (x86)\Split Files\SplitFiles131.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\aadF7xIU.exe
- Executes dropped EXE
- Loads dropped DLL
PID:1360
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles131.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles131.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:700 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles131.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:844
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.1MB
MD5b882f2f35886b776b20b34453a777727
SHA152b12b4ce14b3ed1b34e6632116d8ed68bc68b20
SHA2564dabb6bd5a9aa9a24ccfa60108e8cbd3a9a6356a2f58aeae55e4b1cf6a5c9798
SHA512654c588880a16eed5d53673bbd425c3e1318e6792717d8e2ccbfbfb466928c6251d150c17a28c5842fda3668237c7ff9619f086d0d01ed428ed7d18207b7803f
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Filesize
3.1MB
MD5b882f2f35886b776b20b34453a777727
SHA152b12b4ce14b3ed1b34e6632116d8ed68bc68b20
SHA2564dabb6bd5a9aa9a24ccfa60108e8cbd3a9a6356a2f58aeae55e4b1cf6a5c9798
SHA512654c588880a16eed5d53673bbd425c3e1318e6792717d8e2ccbfbfb466928c6251d150c17a28c5842fda3668237c7ff9619f086d0d01ed428ed7d18207b7803f
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Filesize
760KB
MD5e8176050192fbb976d70238e3c121f4c
SHA12f1fd24efe1f3f3fee775cc3f5255b32f8880900
SHA256ab4fe42a7b708ddb648bb2088216ff47b877ae599fd52ff50359fc1db8e11ef7
SHA51227edf7a71c6546f1ab52e7ef97e404975ddd237d6c2d1038d24a49eab724971884510f00f427c713adb105857a0b12c7d57ca1ca1c70a6cefed4be619c345f4c
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Filesize
760KB
MD5e8176050192fbb976d70238e3c121f4c
SHA12f1fd24efe1f3f3fee775cc3f5255b32f8880900
SHA256ab4fe42a7b708ddb648bb2088216ff47b877ae599fd52ff50359fc1db8e11ef7
SHA51227edf7a71c6546f1ab52e7ef97e404975ddd237d6c2d1038d24a49eab724971884510f00f427c713adb105857a0b12c7d57ca1ca1c70a6cefed4be619c345f4c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
3.1MB
MD5b882f2f35886b776b20b34453a777727
SHA152b12b4ce14b3ed1b34e6632116d8ed68bc68b20
SHA2564dabb6bd5a9aa9a24ccfa60108e8cbd3a9a6356a2f58aeae55e4b1cf6a5c9798
SHA512654c588880a16eed5d53673bbd425c3e1318e6792717d8e2ccbfbfb466928c6251d150c17a28c5842fda3668237c7ff9619f086d0d01ed428ed7d18207b7803f
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Filesize
3.1MB
MD5b882f2f35886b776b20b34453a777727
SHA152b12b4ce14b3ed1b34e6632116d8ed68bc68b20
SHA2564dabb6bd5a9aa9a24ccfa60108e8cbd3a9a6356a2f58aeae55e4b1cf6a5c9798
SHA512654c588880a16eed5d53673bbd425c3e1318e6792717d8e2ccbfbfb466928c6251d150c17a28c5842fda3668237c7ff9619f086d0d01ed428ed7d18207b7803f
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Filesize
3.1MB
MD5b882f2f35886b776b20b34453a777727
SHA152b12b4ce14b3ed1b34e6632116d8ed68bc68b20
SHA2564dabb6bd5a9aa9a24ccfa60108e8cbd3a9a6356a2f58aeae55e4b1cf6a5c9798
SHA512654c588880a16eed5d53673bbd425c3e1318e6792717d8e2ccbfbfb466928c6251d150c17a28c5842fda3668237c7ff9619f086d0d01ed428ed7d18207b7803f
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Filesize
760KB
MD5e8176050192fbb976d70238e3c121f4c
SHA12f1fd24efe1f3f3fee775cc3f5255b32f8880900
SHA256ab4fe42a7b708ddb648bb2088216ff47b877ae599fd52ff50359fc1db8e11ef7
SHA51227edf7a71c6546f1ab52e7ef97e404975ddd237d6c2d1038d24a49eab724971884510f00f427c713adb105857a0b12c7d57ca1ca1c70a6cefed4be619c345f4c
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c