Analysis
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max time kernel
59s -
max time network
62s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
24-03-2023 01:24
Static task
static1
Behavioral task
behavioral1
Sample
8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe
Resource
win7-20230220-en
General
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Target
8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe
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Size
2.1MB
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MD5
3f360e06cab641849ccbe123e0bbe7ab
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SHA1
a7990f433ab8745c25ed8e2a6634f1b81d77d466
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SHA256
8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44
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SHA512
d9442faead7dc5b2ec52aeabf1e4996981d53c4f09c585a14769d7fc88d3a60fbc5926a9077de73eb9b53ae1c75c4196c93fe0a6ccd8bef8174703f5fbd3fb75
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SSDEEP
49152:EGlJfskIIiXlZsE2EceOGQJLw3Y2oMgDBFQM0sB5dlLYp:5w1s/EVHYRMgNFQns3PYp
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
Processes:
is-4L2PH.tmpFRec322.exeuN5PWR0Ylb.exepid process 924 is-4L2PH.tmp 1936 FRec322.exe 884 uN5PWR0Ylb.exe -
Loads dropped DLL 6 IoCs
Processes:
8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exeis-4L2PH.tmpFRec322.exepid process 928 8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe 924 is-4L2PH.tmp 924 is-4L2PH.tmp 924 is-4L2PH.tmp 924 is-4L2PH.tmp 1936 FRec322.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 9 IoCs
Processes:
is-4L2PH.tmpdescription ioc process File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-EQNJP.tmp is-4L2PH.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-0JDUH.tmp is-4L2PH.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-3PPBJ.tmp is-4L2PH.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-EF517.tmp is-4L2PH.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\unins000.dat is-4L2PH.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-K24IJ.tmp is-4L2PH.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\data\is-VN43L.tmp is-4L2PH.tmp File opened for modification C:\Program Files (x86)\FJAsoftFR\FRec322\unins000.dat is-4L2PH.tmp File opened for modification C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe is-4L2PH.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
Processes:
taskkill.exepid process 932 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
FRec322.exepid process 1936 FRec322.exe 1936 FRec322.exe 1936 FRec322.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 932 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exeis-4L2PH.tmpFRec322.execmd.exedescription pid process target process PID 928 wrote to memory of 924 928 8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe is-4L2PH.tmp PID 928 wrote to memory of 924 928 8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe is-4L2PH.tmp PID 928 wrote to memory of 924 928 8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe is-4L2PH.tmp PID 928 wrote to memory of 924 928 8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe is-4L2PH.tmp PID 928 wrote to memory of 924 928 8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe is-4L2PH.tmp PID 928 wrote to memory of 924 928 8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe is-4L2PH.tmp PID 928 wrote to memory of 924 928 8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe is-4L2PH.tmp PID 924 wrote to memory of 1936 924 is-4L2PH.tmp FRec322.exe PID 924 wrote to memory of 1936 924 is-4L2PH.tmp FRec322.exe PID 924 wrote to memory of 1936 924 is-4L2PH.tmp FRec322.exe PID 924 wrote to memory of 1936 924 is-4L2PH.tmp FRec322.exe PID 1936 wrote to memory of 884 1936 FRec322.exe uN5PWR0Ylb.exe PID 1936 wrote to memory of 884 1936 FRec322.exe uN5PWR0Ylb.exe PID 1936 wrote to memory of 884 1936 FRec322.exe uN5PWR0Ylb.exe PID 1936 wrote to memory of 884 1936 FRec322.exe uN5PWR0Ylb.exe PID 1936 wrote to memory of 1272 1936 FRec322.exe cmd.exe PID 1936 wrote to memory of 1272 1936 FRec322.exe cmd.exe PID 1936 wrote to memory of 1272 1936 FRec322.exe cmd.exe PID 1936 wrote to memory of 1272 1936 FRec322.exe cmd.exe PID 1272 wrote to memory of 932 1272 cmd.exe taskkill.exe PID 1272 wrote to memory of 932 1272 cmd.exe taskkill.exe PID 1272 wrote to memory of 932 1272 cmd.exe taskkill.exe PID 1272 wrote to memory of 932 1272 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe"C:\Users\Admin\AppData\Local\Temp\8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-SF881.tmp\is-4L2PH.tmp"C:\Users\Admin\AppData\Local\Temp\is-SF881.tmp\is-4L2PH.tmp" /SL4 $70126 "C:\Users\Admin\AppData\Local\Temp\8109b95b342d5d5e160d4c80742fbab59e1987eca6ecbb083853551d87415e44.exe" 1964681 527362⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe"C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\uN5PWR0Ylb.exe
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec322.exe" /f & erase "C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec322.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exeFilesize
2.6MB
MD5d96a1ec8f478b1475cefe778ca860fc0
SHA1cf20a4acfa726ff883631b0b60815a3e74f42048
SHA2565b6fedc7be0cf6d38a05c10adf7113f740d674c61a04a308b13664e8b48c01a9
SHA51259ce80c4df257bc3e52d7b49f47524928e8f8fc2b534830187906f9799a04e0931f2bc10d6631c7207b6f346100656182e76b8b8008f3432884d2c9521b7f65c
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C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exeFilesize
2.6MB
MD5d96a1ec8f478b1475cefe778ca860fc0
SHA1cf20a4acfa726ff883631b0b60815a3e74f42048
SHA2565b6fedc7be0cf6d38a05c10adf7113f740d674c61a04a308b13664e8b48c01a9
SHA51259ce80c4df257bc3e52d7b49f47524928e8f8fc2b534830187906f9799a04e0931f2bc10d6631c7207b6f346100656182e76b8b8008f3432884d2c9521b7f65c
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\TOS3MI7U\dll[2].htmFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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C:\Users\Admin\AppData\Local\Temp\is-SF881.tmp\is-4L2PH.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Local\Temp\is-SF881.tmp\is-4L2PH.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\uN5PWR0Ylb.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exeFilesize
2.6MB
MD5d96a1ec8f478b1475cefe778ca860fc0
SHA1cf20a4acfa726ff883631b0b60815a3e74f42048
SHA2565b6fedc7be0cf6d38a05c10adf7113f740d674c61a04a308b13664e8b48c01a9
SHA51259ce80c4df257bc3e52d7b49f47524928e8f8fc2b534830187906f9799a04e0931f2bc10d6631c7207b6f346100656182e76b8b8008f3432884d2c9521b7f65c
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\Users\Admin\AppData\Local\Temp\is-E074F.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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\Users\Admin\AppData\Local\Temp\is-E074F.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-E074F.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-SF881.tmp\is-4L2PH.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\uN5PWR0Ylb.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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memory/924-104-0x0000000003C20000-0x0000000004CC0000-memory.dmpFilesize
16.6MB
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memory/924-91-0x0000000003C20000-0x0000000004CC0000-memory.dmpFilesize
16.6MB
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memory/924-90-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/924-133-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
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memory/924-95-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
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memory/928-94-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/928-134-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/928-54-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1936-106-0x0000000010000000-0x000000001001B000-memory.dmpFilesize
108KB
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memory/1936-112-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
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memory/1936-132-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
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memory/1936-101-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
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memory/1936-92-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
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memory/1936-93-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB