Analysis
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max time kernel
75s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
02/07/2023, 04:11
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
1.1MB
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MD5
9da769212c411ae4d04263c3eadc1593
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SHA1
c437bb5ad3e6824cacab0d827b10af71c3bfc72d
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SHA256
a43a7a8d46e524734b4fa9f36fd8b360e40cf314fc9c7775f4ffe651303f69c8
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SHA512
e7b1b88ac2f5d5d0c016cc4360b8311180981b7c636c7d2ff1f20cbd5bf8cd894c0a44d2955177605c9f2086e084033a4faff4318fa0b50ceeed667b2dfebcd1
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SSDEEP
24576:JfOyJG4ATUQoxYM1zhks3L5S+fXvLvcbnnNUWCMW6:JGODgXoxd11kYLdfzvMnvT
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Control Panel\International\Geo\Nation RejSpacer72.exe -
Executes dropped EXE 3 IoCs
pid Process 1252 is-UCNU8.tmp 4116 RejSpacer72.exe 5092 YSpPFFUP1.exe -
Loads dropped DLL 1 IoCs
pid Process 1252 is-UCNU8.tmp -
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-268ON.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-91T5P.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-C47IA.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-808GQ.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-6ERJA.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-TSPBG.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-P6501.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-I887Q.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-BHOEL.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-MUTPP.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-2UKF5.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-O7TPD.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-84G7E.tmp is-UCNU8.tmp File opened for modification C:\Program Files (x86)\RejSpacer72\unins000.dat is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-3V3GG.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-MS1O2.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-II8BQ.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\unins000.dat is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-CPBOQ.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-R66MF.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-RCC0K.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-A65C7.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-KNRVV.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-3R9MS.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-NIK8D.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-4RKSV.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-IQQVH.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-VEGT2.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-RQTP7.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\is-D6G6N.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-GJLAM.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-0F8IA.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-ASEQ9.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-7Q26U.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-74F26.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-33A1E.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-U9I8L.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-UP72D.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-BCNSD.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-KJTP7.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-V3LPB.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-LSSS5.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-M37Q5.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\is-2DEQ1.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\is-HV2KV.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-SFUKD.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-SVQ61.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-LV24R.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-F966O.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-2G6AV.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-VM4KP.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-HPNVE.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-32598.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-2NFLK.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\is-V6PLK.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-RGHOP.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-ETE0L.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-NF0BT.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-LRF7S.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-TTRV4.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-0N023.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-61PCJ.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-MA7E8.tmp is-UCNU8.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-TSDI1.tmp is-UCNU8.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 1588 taskkill.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4116 RejSpacer72.exe 4116 RejSpacer72.exe 4116 RejSpacer72.exe 4116 RejSpacer72.exe 4116 RejSpacer72.exe 4116 RejSpacer72.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1588 taskkill.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4952 wrote to memory of 1252 4952 file.exe 83 PID 4952 wrote to memory of 1252 4952 file.exe 83 PID 4952 wrote to memory of 1252 4952 file.exe 83 PID 1252 wrote to memory of 852 1252 is-UCNU8.tmp 84 PID 1252 wrote to memory of 852 1252 is-UCNU8.tmp 84 PID 1252 wrote to memory of 852 1252 is-UCNU8.tmp 84 PID 1252 wrote to memory of 4116 1252 is-UCNU8.tmp 86 PID 1252 wrote to memory of 4116 1252 is-UCNU8.tmp 86 PID 1252 wrote to memory of 4116 1252 is-UCNU8.tmp 86 PID 852 wrote to memory of 4720 852 net.exe 87 PID 852 wrote to memory of 4720 852 net.exe 87 PID 852 wrote to memory of 4720 852 net.exe 87 PID 4116 wrote to memory of 5092 4116 RejSpacer72.exe 92 PID 4116 wrote to memory of 5092 4116 RejSpacer72.exe 92 PID 4116 wrote to memory of 5092 4116 RejSpacer72.exe 92 PID 4116 wrote to memory of 824 4116 RejSpacer72.exe 102 PID 4116 wrote to memory of 824 4116 RejSpacer72.exe 102 PID 4116 wrote to memory of 824 4116 RejSpacer72.exe 102 PID 824 wrote to memory of 1588 824 cmd.exe 104 PID 824 wrote to memory of 1588 824 cmd.exe 104 PID 824 wrote to memory of 1588 824 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4952 -
C:\Users\Admin\AppData\Local\Temp\is-QEBOS.tmp\is-UCNU8.tmp"C:\Users\Admin\AppData\Local\Temp\is-QEBOS.tmp\is-UCNU8.tmp" /SL4 $E0030 "C:\Users\Admin\AppData\Local\Temp\file.exe" 930166 737282⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 23⤵
- Suspicious use of WriteProcessMemory
PID:852 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 24⤵PID:4720
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C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe"C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Users\Admin\AppData\Roaming\{f4724154-103f-11ee-9fa7-806e6f6e6963}\YSpPFFUP1.exe4⤵
- Executes dropped EXE
PID:5092
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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:824 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "RejSpacer72.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1588
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD50cf0c72b546c1af6ec3657bf72974e71
SHA1682f8670fdcdef07ac799c30a9ca11afff60872d
SHA2569d92ad3c0868140802616a5e20288025cb842b8c2b03ea4f6aa2bfdbccd3ae36
SHA512a9f32c08ea7bd73b33922a2c0679ed239c7d06d5a8df3499fd7690d609329073d972e3a92aab5a0c4ccf3e19cca52c2a3316f82a30e2123875e6a1b48d535d3f
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Filesize
1.1MB
MD50cf0c72b546c1af6ec3657bf72974e71
SHA1682f8670fdcdef07ac799c30a9ca11afff60872d
SHA2569d92ad3c0868140802616a5e20288025cb842b8c2b03ea4f6aa2bfdbccd3ae36
SHA512a9f32c08ea7bd73b33922a2c0679ed239c7d06d5a8df3499fd7690d609329073d972e3a92aab5a0c4ccf3e19cca52c2a3316f82a30e2123875e6a1b48d535d3f
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Filesize
4KB
MD5ce494d2d223aed950fea67f657d3fa3e
SHA197a19c02487c41e3a079cd6764afffeb5e838b26
SHA256c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9
SHA512687bf3bd7de28dc45ea622672dc59d7e45d9ce83530a7db6462447ea247a9bde061738c454e09b48531aab9cce802c8491aa730e4da65e63daf31c65ffc39fe1
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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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
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c