Analysis
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max time kernel
57s -
max time network
58s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system -
submitted
02/07/2023, 05:25
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230621-en
General
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Target
file.exe
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Size
1.2MB
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MD5
f5a60dc8bf54cde2311f70d475bc4448
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SHA1
5df25244207ed640fd39e2633393c9e8dacd5756
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SHA256
46243874b5bf6eb7d0da146121a74177653c36c4fc25474ef0049ca51a1b113a
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SHA512
7127fac5a450bfa1324a813358fe182bd304f90fdca4f9bfe16c1e87114f59b12af139842ddcc88539e9a64f8cabf76d8f841884048fa1b2c2d402c2b7fc1aa4
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SSDEEP
24576:JfOyV8I8tTInyj5B9Jj042DbqPfd6rKjJysz6zilBDnNUWCMW6:JGk8I3neB9Jo42DOPFZ9G+lhvT
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1224 is-4U7GG.tmp 1752 RejSpacer72.exe 1032 aavQXttSqgK6E.exe -
Loads dropped DLL 6 IoCs
pid Process 820 file.exe 1224 is-4U7GG.tmp 1224 is-4U7GG.tmp 1224 is-4U7GG.tmp 1224 is-4U7GG.tmp 1752 RejSpacer72.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 64 IoCs
description ioc Process File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-6P0H0.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-UOUU7.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-4SI47.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-MJM12.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-2U2V5.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-0NNFF.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-R7EFT.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\is-0AHO9.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-LRRRA.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-S9SA8.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-46JHG.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-LH4IA.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-0OU64.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-2HPSC.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-KT4D0.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-DFANU.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-2IKU7.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-M1I0T.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-K0L7K.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-PG1SM.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-HUFKB.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-1NTV6.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-NK73K.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-U098E.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-1QEQL.tmp is-4U7GG.tmp File opened for modification C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-7IRAE.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-2B0Q0.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-8GH2O.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-84KD6.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-R8HUQ.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-NF468.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-NJUB2.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-U4SRM.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-G2O15.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-U2V8M.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-TQOJP.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-NCRB1.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-GSFAV.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-QCML3.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-EBS8Q.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-RNKUE.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-UQLR5.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\is-9IEOB.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-TO7EO.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-IGEOQ.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-DNP2Q.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-T96SE.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-IR40N.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-86IE4.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-C0EVT.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-HM7H7.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-CFQ6N.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\unins000.dat is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\is-H7IAP.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-T3TGU.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-HBQQI.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-BBT9N.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\is-EGIB0.tmp is-4U7GG.tmp File opened for modification C:\Program Files (x86)\RejSpacer72\unins000.dat is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-A2TO0.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-8MF13.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-6GC9G.tmp is-4U7GG.tmp File created C:\Program Files (x86)\RejSpacer72\is-4IF46.tmp is-4U7GG.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 1 IoCs
pid Process 1056 taskkill.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1752 RejSpacer72.exe 1752 RejSpacer72.exe 1752 RejSpacer72.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1056 taskkill.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 820 wrote to memory of 1224 820 file.exe 28 PID 820 wrote to memory of 1224 820 file.exe 28 PID 820 wrote to memory of 1224 820 file.exe 28 PID 820 wrote to memory of 1224 820 file.exe 28 PID 820 wrote to memory of 1224 820 file.exe 28 PID 820 wrote to memory of 1224 820 file.exe 28 PID 820 wrote to memory of 1224 820 file.exe 28 PID 1224 wrote to memory of 1344 1224 is-4U7GG.tmp 29 PID 1224 wrote to memory of 1344 1224 is-4U7GG.tmp 29 PID 1224 wrote to memory of 1344 1224 is-4U7GG.tmp 29 PID 1224 wrote to memory of 1344 1224 is-4U7GG.tmp 29 PID 1224 wrote to memory of 1752 1224 is-4U7GG.tmp 31 PID 1224 wrote to memory of 1752 1224 is-4U7GG.tmp 31 PID 1224 wrote to memory of 1752 1224 is-4U7GG.tmp 31 PID 1224 wrote to memory of 1752 1224 is-4U7GG.tmp 31 PID 1344 wrote to memory of 1668 1344 net.exe 32 PID 1344 wrote to memory of 1668 1344 net.exe 32 PID 1344 wrote to memory of 1668 1344 net.exe 32 PID 1344 wrote to memory of 1668 1344 net.exe 32 PID 1752 wrote to memory of 1032 1752 RejSpacer72.exe 33 PID 1752 wrote to memory of 1032 1752 RejSpacer72.exe 33 PID 1752 wrote to memory of 1032 1752 RejSpacer72.exe 33 PID 1752 wrote to memory of 1032 1752 RejSpacer72.exe 33 PID 1752 wrote to memory of 1684 1752 RejSpacer72.exe 36 PID 1752 wrote to memory of 1684 1752 RejSpacer72.exe 36 PID 1752 wrote to memory of 1684 1752 RejSpacer72.exe 36 PID 1752 wrote to memory of 1684 1752 RejSpacer72.exe 36 PID 1684 wrote to memory of 1056 1684 cmd.exe 38 PID 1684 wrote to memory of 1056 1684 cmd.exe 38 PID 1684 wrote to memory of 1056 1684 cmd.exe 38 PID 1684 wrote to memory of 1056 1684 cmd.exe 38
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:820 -
C:\Users\Admin\AppData\Local\Temp\is-IHVJ5.tmp\is-4U7GG.tmp"C:\Users\Admin\AppData\Local\Temp\is-IHVJ5.tmp\is-4U7GG.tmp" /SL4 $70124 "C:\Users\Admin\AppData\Local\Temp\file.exe" 956970 737282⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 23⤵
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 24⤵PID:1668
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C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe"C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\aavQXttSqgK6E.exe4⤵
- Executes dropped EXE
PID:1032
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "RejSpacer72.exe" /f & erase "C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "RejSpacer72.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1056
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD5bd481fbe21d690f2e15243f233fe1f92
SHA1afd3b8d8c9e75b748d759e7fa73d5a1470e08a13
SHA256cb6f91dc0ef15705a4449ece2ee7324c9e24a75dbf852651d095179dcaf2739b
SHA5128a4790612726cf81ea5b22bec9a18f29cf89c2afa8b8682ce53bcce54aaf112db3e3d219aa6d5996b1ef79269ec5946210c67eba4fc12932b993b90839dfbc41
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Filesize
1.1MB
MD5bd481fbe21d690f2e15243f233fe1f92
SHA1afd3b8d8c9e75b748d759e7fa73d5a1470e08a13
SHA256cb6f91dc0ef15705a4449ece2ee7324c9e24a75dbf852651d095179dcaf2739b
SHA5128a4790612726cf81ea5b22bec9a18f29cf89c2afa8b8682ce53bcce54aaf112db3e3d219aa6d5996b1ef79269ec5946210c67eba4fc12932b993b90839dfbc41
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Filesize
4KB
MD5ce494d2d223aed950fea67f657d3fa3e
SHA197a19c02487c41e3a079cd6764afffeb5e838b26
SHA256c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9
SHA512687bf3bd7de28dc45ea622672dc59d7e45d9ce83530a7db6462447ea247a9bde061738c454e09b48531aab9cce802c8491aa730e4da65e63daf31c65ffc39fe1
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7DZDVCQ4\dll[1].htm
Filesize1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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Filesize
664KB
MD5ce35b2dad10a0e6d5e016772efb75ad2
SHA1ac38173e753c499655ba566493e3c3ff71878d92
SHA25631f933169e44b127e3f0a80077a088ed208c2504773a084bfca4de2f53b839c6
SHA512cdd97e8bbf568e9d6d6708bb427f3ce9d5433d320cd577e1e7bab1154c224efbb3960a24980ceec3e2bf471c72caf2309b13e7075c3216f6d43072d277a6642c
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Filesize
664KB
MD5ce35b2dad10a0e6d5e016772efb75ad2
SHA1ac38173e753c499655ba566493e3c3ff71878d92
SHA25631f933169e44b127e3f0a80077a088ed208c2504773a084bfca4de2f53b839c6
SHA512cdd97e8bbf568e9d6d6708bb427f3ce9d5433d320cd577e1e7bab1154c224efbb3960a24980ceec3e2bf471c72caf2309b13e7075c3216f6d43072d277a6642c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
1.1MB
MD5bd481fbe21d690f2e15243f233fe1f92
SHA1afd3b8d8c9e75b748d759e7fa73d5a1470e08a13
SHA256cb6f91dc0ef15705a4449ece2ee7324c9e24a75dbf852651d095179dcaf2739b
SHA5128a4790612726cf81ea5b22bec9a18f29cf89c2afa8b8682ce53bcce54aaf112db3e3d219aa6d5996b1ef79269ec5946210c67eba4fc12932b993b90839dfbc41
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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
664KB
MD5ce35b2dad10a0e6d5e016772efb75ad2
SHA1ac38173e753c499655ba566493e3c3ff71878d92
SHA25631f933169e44b127e3f0a80077a088ed208c2504773a084bfca4de2f53b839c6
SHA512cdd97e8bbf568e9d6d6708bb427f3ce9d5433d320cd577e1e7bab1154c224efbb3960a24980ceec3e2bf471c72caf2309b13e7075c3216f6d43072d277a6642c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c