Analysis
- max time kernel
63s - max time network
66s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
01/01/2023, 02:27
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
10 signatures
150 seconds
General
- Target file.exe
- Size 2.1MB
- Sample230101-cxevdsbb22
- SHA256 d65685a4678fb6c3923349de486034dc402d834b8686d7d51252806a281d8f7f
- MD5 a64465f2f267577155b409ca952468cc
- SHA1 676a06a25140c2d98e58a740a7be1edbdabfa895
- SHA512 5529e1fd0cf90ac3ac3a12b66466572d417f635630167a2835a00da5445addd02e211e58b82d8e6dc620ac6fdf68565247113109c4920e3af415650d08915fbe
- SSDEEP 49152:Ci+tY8kSmIM6XYmOUCc3QBkMoI0IkrtWWxa2jLX/nvYX07:CisY8KIDOVc5FIWtVxNjLvvYE
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
nymaim
C2
-
45.139.105.171
-
85.31.46.167
Signatures
- Executes dropped EXE 3 IoCs
pid Process 1328 is-6NEKR.tmp 1268 SplitFiles126.exe 268 Q0wzFqYDtAHopj.exe - Loads dropped DLL 10 IoCs
pid Process 1272 file.exe 1328 is-6NEKR.tmp 1328 is-6NEKR.tmp 1328 is-6NEKR.tmp 1328 is-6NEKR.tmp 1268 SplitFiles126.exe 1268 SplitFiles126.exe 1268 SplitFiles126.exe 268 Q0wzFqYDtAHopj.exe 268 Q0wzFqYDtAHopj.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 17 IoCs
description ioc Process File created C:\Program Files (x86)\Split Files\language\is-DA7OI.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\language\is-HHPK7.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\is-7RICP.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\is-EMJER.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\is-R1BKA.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\language\is-K6F3P.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\language\is-SR03S.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\language\is-HQ3R9.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\is-5VQTC.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\is-LL0BK.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\language\is-2KSMV.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\language\is-NDPB1.tmp is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\language\is-Q2NH2.tmp is-6NEKR.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-6NEKR.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles126.exe is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\unins000.dat is-6NEKR.tmp File created C:\Program Files (x86)\Split Files\language\is-97DG4.tmp is-6NEKR.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Kills process with taskkill 1 IoCs
pid Process 880 taskkill.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1268 SplitFiles126.exe 1268 SplitFiles126.exe 1268 SplitFiles126.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 880 taskkill.exe Token: SeRestorePrivilege 1328 is-6NEKR.tmp Token: SeBackupPrivilege 1328 is-6NEKR.tmp - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1272 wrote to memory of 1328 1272 file.exe 27 PID 1272 wrote to memory of 1328 1272 file.exe 27 PID 1272 wrote to memory of 1328 1272 file.exe 27 PID 1272 wrote to memory of 1328 1272 file.exe 27 PID 1272 wrote to memory of 1328 1272 file.exe 27 PID 1272 wrote to memory of 1328 1272 file.exe 27 PID 1272 wrote to memory of 1328 1272 file.exe 27 PID 1328 wrote to memory of 1268 1328 is-6NEKR.tmp 28 PID 1328 wrote to memory of 1268 1328 is-6NEKR.tmp 28 PID 1328 wrote to memory of 1268 1328 is-6NEKR.tmp 28 PID 1328 wrote to memory of 1268 1328 is-6NEKR.tmp 28 PID 1328 wrote to memory of 1268 1328 is-6NEKR.tmp 28 PID 1328 wrote to memory of 1268 1328 is-6NEKR.tmp 28 PID 1328 wrote to memory of 1268 1328 is-6NEKR.tmp 28 PID 1268 wrote to memory of 268 1268 SplitFiles126.exe 29 PID 1268 wrote to memory of 268 1268 SplitFiles126.exe 29 PID 1268 wrote to memory of 268 1268 SplitFiles126.exe 29 PID 1268 wrote to memory of 268 1268 SplitFiles126.exe 29 PID 1268 wrote to memory of 268 1268 SplitFiles126.exe 29 PID 1268 wrote to memory of 268 1268 SplitFiles126.exe 29 PID 1268 wrote to memory of 268 1268 SplitFiles126.exe 29 PID 1268 wrote to memory of 2044 1268 SplitFiles126.exe 32 PID 1268 wrote to memory of 2044 1268 SplitFiles126.exe 32 PID 1268 wrote to memory of 2044 1268 SplitFiles126.exe 32 PID 1268 wrote to memory of 2044 1268 SplitFiles126.exe 32 PID 1268 wrote to memory of 2044 1268 SplitFiles126.exe 32 PID 1268 wrote to memory of 2044 1268 SplitFiles126.exe 32 PID 1268 wrote to memory of 2044 1268 SplitFiles126.exe 32 PID 2044 wrote to memory of 880 2044 cmd.exe 34 PID 2044 wrote to memory of 880 2044 cmd.exe 34 PID 2044 wrote to memory of 880 2044 cmd.exe 34 PID 2044 wrote to memory of 880 2044 cmd.exe 34 PID 2044 wrote to memory of 880 2044 cmd.exe 34 PID 2044 wrote to memory of 880 2044 cmd.exe 34 PID 2044 wrote to memory of 880 2044 cmd.exe 34
Processes
-
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:1272 -
C:\Users\Admin\AppData\Local\Temp\is-BS7QK.tmp\is-6NEKR.tmp"C:\Users\Admin\AppData\Local\Temp\is-BS7QK.tmp\is-6NEKR.tmp" /SL4 $80022 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1900650 2094082⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Program Files (x86)\Split Files\SplitFiles126.exe"C:\Program Files (x86)\Split Files\SplitFiles126.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0wzFqYDtAHopj.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:268
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles126.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles126.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles126.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:880
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\Split Files\SplitFiles126.exe
- Size 3.5MB
- SHA256 98f150cabf053f3f6429ea9a35f21367bce8bdc081894b50eb4caf797f22bc5f
- MD5 25dda87965186b05686e4e4d3695cadb
- SHA1 4e4d8bf5cbf14a4cd335dd42b9565394ed366bb2
- SHA512 b750b247603b2b3017456cfb1f92230e760a9c553b65e4f02cab738f1ee77b7091005e60fb17dd74a614019efc7f3f957a85b692dad0fd9aa26a629f4031b2a0
- SSDEEP 98304:Zdprc3xzYq3dl32EDqooOdvb61v3zN4BRGvE7pg:ZDrc3xzYqXpVDJpg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files (x86)\Split Files\SplitFiles126.exe
- Size 3.5MB
- SHA256 98f150cabf053f3f6429ea9a35f21367bce8bdc081894b50eb4caf797f22bc5f
- MD5 25dda87965186b05686e4e4d3695cadb
- SHA1 4e4d8bf5cbf14a4cd335dd42b9565394ed366bb2
- SHA512 b750b247603b2b3017456cfb1f92230e760a9c553b65e4f02cab738f1ee77b7091005e60fb17dd74a614019efc7f3f957a85b692dad0fd9aa26a629f4031b2a0
- SSDEEP 98304:Zdprc3xzYq3dl32EDqooOdvb61v3zN4BRGvE7pg:ZDrc3xzYqXpVDJpg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-BS7QK.tmp\is-6NEKR.tmp
- Size 798KB
- SHA256 5639f567be5695dc2a4b029185bf2ae9147e98a5194c01726f864ba2fbffcfd1
- MD5 79879462fcb12d62e92b4bfeba0d561f
- SHA1 620fc7ef6fe45f32c64ee250864831323422749e
- SHA512 32d38130a6963a829f60d3932fa1439b85bf0338b633c5fb62a9bb94df4567a9cbbbed83bc75b52992e8cefa7334dfe5065ba8d28d39839206898257c645a72d
- SSDEEP 12288:QpmOmg1k2bfrP437QzH/A6A40lG77NzknuGyhmxOu:ymt2bfrP437QzH/A6A7E7dVPhmxOu
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-BS7QK.tmp\is-6NEKR.tmp
- Size 798KB
- SHA256 5639f567be5695dc2a4b029185bf2ae9147e98a5194c01726f864ba2fbffcfd1
- MD5 79879462fcb12d62e92b4bfeba0d561f
- SHA1 620fc7ef6fe45f32c64ee250864831323422749e
- SHA512 32d38130a6963a829f60d3932fa1439b85bf0338b633c5fb62a9bb94df4567a9cbbbed83bc75b52992e8cefa7334dfe5065ba8d28d39839206898257c645a72d
- SSDEEP 12288:QpmOmg1k2bfrP437QzH/A6A40lG77NzknuGyhmxOu:ymt2bfrP437QzH/A6A7E7dVPhmxOu
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0wzFqYDtAHopj.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0wzFqYDtAHopj.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\SplitFiles126.exe
- Size 3.5MB
- SHA256 98f150cabf053f3f6429ea9a35f21367bce8bdc081894b50eb4caf797f22bc5f
- MD5 25dda87965186b05686e4e4d3695cadb
- SHA1 4e4d8bf5cbf14a4cd335dd42b9565394ed366bb2
- SHA512 b750b247603b2b3017456cfb1f92230e760a9c553b65e4f02cab738f1ee77b7091005e60fb17dd74a614019efc7f3f957a85b692dad0fd9aa26a629f4031b2a0
- SSDEEP 98304:Zdprc3xzYq3dl32EDqooOdvb61v3zN4BRGvE7pg:ZDrc3xzYqXpVDJpg
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\SplitFiles126.exe
- Size 3.5MB
- SHA256 98f150cabf053f3f6429ea9a35f21367bce8bdc081894b50eb4caf797f22bc5f
- MD5 25dda87965186b05686e4e4d3695cadb
- SHA1 4e4d8bf5cbf14a4cd335dd42b9565394ed366bb2
- SHA512 b750b247603b2b3017456cfb1f92230e760a9c553b65e4f02cab738f1ee77b7091005e60fb17dd74a614019efc7f3f957a85b692dad0fd9aa26a629f4031b2a0
- SSDEEP 98304:Zdprc3xzYq3dl32EDqooOdvb61v3zN4BRGvE7pg:ZDrc3xzYqXpVDJpg
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\SplitFiles126.exe
- Size 3.5MB
- SHA256 98f150cabf053f3f6429ea9a35f21367bce8bdc081894b50eb4caf797f22bc5f
- MD5 25dda87965186b05686e4e4d3695cadb
- SHA1 4e4d8bf5cbf14a4cd335dd42b9565394ed366bb2
- SHA512 b750b247603b2b3017456cfb1f92230e760a9c553b65e4f02cab738f1ee77b7091005e60fb17dd74a614019efc7f3f957a85b692dad0fd9aa26a629f4031b2a0
- SSDEEP 98304:Zdprc3xzYq3dl32EDqooOdvb61v3zN4BRGvE7pg:ZDrc3xzYqXpVDJpg
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-2DS0B.tmp\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path \Users\Admin\AppData\Local\Temp\is-2DS0B.tmp\_isetup\_shfoldr.dll
- Size 22KB
- SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
- MD5 92dc6ef532fbb4a5c3201469a5b5eb63
- SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
- SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
- SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-2DS0B.tmp\_isetup\_shfoldr.dll
- Size 22KB
- SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
- MD5 92dc6ef532fbb4a5c3201469a5b5eb63
- SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
- SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
- SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-BS7QK.tmp\is-6NEKR.tmp
- Size 798KB
- SHA256 5639f567be5695dc2a4b029185bf2ae9147e98a5194c01726f864ba2fbffcfd1
- MD5 79879462fcb12d62e92b4bfeba0d561f
- SHA1 620fc7ef6fe45f32c64ee250864831323422749e
- SHA512 32d38130a6963a829f60d3932fa1439b85bf0338b633c5fb62a9bb94df4567a9cbbbed83bc75b52992e8cefa7334dfe5065ba8d28d39839206898257c645a72d
- SSDEEP 12288:QpmOmg1k2bfrP437QzH/A6A40lG77NzknuGyhmxOu:ymt2bfrP437QzH/A6A7E7dVPhmxOu
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0wzFqYDtAHopj.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0wzFqYDtAHopj.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0wzFqYDtAHopj.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP