Analysis
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max time kernel
56s -
max time network
58s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
25-03-2023 01:14
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
General
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Target
file.exe
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Size
2.1MB
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MD5
214811e792b69344c84b2f31c81742cc
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SHA1
61d2173bfb836ea8acb0ee9dab44e51b4b8d7158
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SHA256
5637aef3fb43a418cd5bb036103fb3f7427e5062c5d23e14ab3b65c7d87793ec
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SHA512
bfa2f2e168e46d9fe7ea69d19a40c4a15f249d1155c2a574e714903cf2300a9e039272a388983e4f76bf79d63a43ac219b47c8c4424ed07ea5c50d78201dbbc3
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SSDEEP
49152:EGlJfsR9+UfJuK3iLMYX0yysI6rWDoV+PukCavPycEaD2LhT25dlLYp:5IEouKmMoSsI66DoPkzvo1IPYp
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-AAMNG.tmpFRec324.exejeZviD2.exepid process 1196 is-AAMNG.tmp 856 FRec324.exe 1900 jeZviD2.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exeis-AAMNG.tmpFRec324.exepid process 2024 file.exe 1196 is-AAMNG.tmp 1196 is-AAMNG.tmp 1196 is-AAMNG.tmp 1196 is-AAMNG.tmp 856 FRec324.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-AAMNG.tmpdescription ioc process File created C:\Program Files (x86)\FJCsoftFR\FRec324\is-5E5K5.tmp is-AAMNG.tmp File created C:\Program Files (x86)\FJCsoftFR\FRec324\data\is-0AGI9.tmp is-AAMNG.tmp File opened for modification C:\Program Files (x86)\FJCsoftFR\FRec324\unins000.dat is-AAMNG.tmp File created C:\Program Files (x86)\FJCsoftFR\FRec324\is-ALES5.tmp is-AAMNG.tmp File created C:\Program Files (x86)\FJCsoftFR\FRec324\is-CL9F7.tmp is-AAMNG.tmp File created C:\Program Files (x86)\FJCsoftFR\FRec324\is-UEV0R.tmp is-AAMNG.tmp File created C:\Program Files (x86)\FJCsoftFR\FRec324\is-O7KSV.tmp is-AAMNG.tmp File opened for modification C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe is-AAMNG.tmp File created C:\Program Files (x86)\FJCsoftFR\FRec324\unins000.dat is-AAMNG.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 1076 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
FRec324.exepid process 856 FRec324.exe 856 FRec324.exe 856 FRec324.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 1076 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exeis-AAMNG.tmpFRec324.execmd.exedescription pid process target process PID 2024 wrote to memory of 1196 2024 file.exe is-AAMNG.tmp PID 2024 wrote to memory of 1196 2024 file.exe is-AAMNG.tmp PID 2024 wrote to memory of 1196 2024 file.exe is-AAMNG.tmp PID 2024 wrote to memory of 1196 2024 file.exe is-AAMNG.tmp PID 2024 wrote to memory of 1196 2024 file.exe is-AAMNG.tmp PID 2024 wrote to memory of 1196 2024 file.exe is-AAMNG.tmp PID 2024 wrote to memory of 1196 2024 file.exe is-AAMNG.tmp PID 1196 wrote to memory of 856 1196 is-AAMNG.tmp FRec324.exe PID 1196 wrote to memory of 856 1196 is-AAMNG.tmp FRec324.exe PID 1196 wrote to memory of 856 1196 is-AAMNG.tmp FRec324.exe PID 1196 wrote to memory of 856 1196 is-AAMNG.tmp FRec324.exe PID 856 wrote to memory of 1900 856 FRec324.exe jeZviD2.exe PID 856 wrote to memory of 1900 856 FRec324.exe jeZviD2.exe PID 856 wrote to memory of 1900 856 FRec324.exe jeZviD2.exe PID 856 wrote to memory of 1900 856 FRec324.exe jeZviD2.exe PID 856 wrote to memory of 1896 856 FRec324.exe cmd.exe PID 856 wrote to memory of 1896 856 FRec324.exe cmd.exe PID 856 wrote to memory of 1896 856 FRec324.exe cmd.exe PID 856 wrote to memory of 1896 856 FRec324.exe cmd.exe PID 1896 wrote to memory of 1076 1896 cmd.exe taskkill.exe PID 1896 wrote to memory of 1076 1896 cmd.exe taskkill.exe PID 1896 wrote to memory of 1076 1896 cmd.exe taskkill.exe PID 1896 wrote to memory of 1076 1896 cmd.exe taskkill.exe
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
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C:\Users\Admin\AppData\Local\Temp\is-80G3V.tmp\is-AAMNG.tmp"C:\Users\Admin\AppData\Local\Temp\is-80G3V.tmp\is-AAMNG.tmp" /SL4 $70126 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1935889 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)\FJCsoftFR\FRec324\FRec324.exe"C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.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}\jeZviD2.exe
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec324.exe" /f & erase "C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec324.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)\FJCsoftFR\FRec324\FRec324.exeFilesize
2.4MB
MD5c7650c42e1bdd827c5fa902f32a641da
SHA1afa4a0ad763a72428c792fe28422d8ab110e6a4c
SHA256a9df026c19a72d64b710ffc567d7aafcc3ce9c22c65427f1c4de29e9c8155ddc
SHA51267d50c391eda1192c7bc68286a8dee0c7d534fdd3e337cab972c9a3a1eaeea058f989fae6b8a5c1e5d4cfc16940ee93f0f9dcee6ff0914e7d39a7b20197956d7
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C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exeFilesize
2.4MB
MD5c7650c42e1bdd827c5fa902f32a641da
SHA1afa4a0ad763a72428c792fe28422d8ab110e6a4c
SHA256a9df026c19a72d64b710ffc567d7aafcc3ce9c22c65427f1c4de29e9c8155ddc
SHA51267d50c391eda1192c7bc68286a8dee0c7d534fdd3e337cab972c9a3a1eaeea058f989fae6b8a5c1e5d4cfc16940ee93f0f9dcee6ff0914e7d39a7b20197956d7
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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-80G3V.tmp\is-AAMNG.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Local\Temp\is-80G3V.tmp\is-AAMNG.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\jeZviD2.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exeFilesize
2.4MB
MD5c7650c42e1bdd827c5fa902f32a641da
SHA1afa4a0ad763a72428c792fe28422d8ab110e6a4c
SHA256a9df026c19a72d64b710ffc567d7aafcc3ce9c22c65427f1c4de29e9c8155ddc
SHA51267d50c391eda1192c7bc68286a8dee0c7d534fdd3e337cab972c9a3a1eaeea058f989fae6b8a5c1e5d4cfc16940ee93f0f9dcee6ff0914e7d39a7b20197956d7
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\Users\Admin\AppData\Local\Temp\is-80G3V.tmp\is-AAMNG.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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\Users\Admin\AppData\Local\Temp\is-N4DNP.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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\Users\Admin\AppData\Local\Temp\is-N4DNP.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-N4DNP.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\jeZviD2.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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memory/856-93-0x0000000000400000-0x000000000145B000-memory.dmpFilesize
16.4MB
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memory/856-133-0x0000000000400000-0x000000000145B000-memory.dmpFilesize
16.4MB
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memory/856-92-0x0000000000400000-0x000000000145B000-memory.dmpFilesize
16.4MB
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memory/856-110-0x0000000000400000-0x000000000145B000-memory.dmpFilesize
16.4MB
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memory/856-106-0x0000000010000000-0x000000001001B000-memory.dmpFilesize
108KB
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memory/856-101-0x0000000000400000-0x000000000145B000-memory.dmpFilesize
16.4MB
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memory/1196-103-0x0000000003CF0000-0x0000000004D4B000-memory.dmpFilesize
16.4MB
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memory/1196-100-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
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memory/1196-91-0x0000000003CF0000-0x0000000004D4B000-memory.dmpFilesize
16.4MB
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memory/1196-134-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
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memory/1196-88-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/2024-99-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2024-54-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2024-135-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB