Analysis
- max time kernel
61s - max time network
65s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
04/01/2023, 01:17
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
10 signatures
150 seconds
General
- Target file.exe
- Size 1.9MB
- Sample230104-bncs1agg4x
- SHA256 1bf6a09b39793e24a275baeca5bdc6626a0ad81df9ad87b79d6c59b6dc93a975
- MD5 cfe45e6192fa871540632a85c6a7e7f7
- SHA1 fb06af43de47629672e672653b70e45166e60f1e
- SHA512 69bbd04ca90d95ec978e248131fc275e12737cb257f8aab0579595d3ba9cd70e9c5727e6aaaee95177af122125af94f41797847c834b069779857b773f4ab8e4
- SSDEEP 49152:qiAiFVPSaDgTQ0la+lLa3K3ghjLX/nvYX0FJa:qiAiF1DulP23SujLvvYuJa
- 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 992 is-NPOE2.tmp 1380 SplitFiles129.exe 1724 Qwa0C345HE.exe - Loads dropped DLL 10 IoCs
pid Process 1928 file.exe 992 is-NPOE2.tmp 992 is-NPOE2.tmp 992 is-NPOE2.tmp 992 is-NPOE2.tmp 1380 SplitFiles129.exe 1380 SplitFiles129.exe 1380 SplitFiles129.exe 1724 Qwa0C345HE.exe 1724 Qwa0C345HE.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-ABVJI.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\is-6I2TE.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\is-G4QH6.tmp is-NPOE2.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles129.exe is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\language\is-9HPK6.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\language\is-3TNO4.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\language\is-A9SV6.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\is-BKTRJ.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\language\is-J8U9K.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\is-J5S3O.tmp is-NPOE2.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\language\is-J03HL.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\language\is-F7D72.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\unins000.dat is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\is-GR0IS.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\language\is-1PAG0.tmp is-NPOE2.tmp File created C:\Program Files (x86)\Split Files\language\is-B0JA0.tmp is-NPOE2.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 976 taskkill.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1380 SplitFiles129.exe 1380 SplitFiles129.exe 1380 SplitFiles129.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 976 taskkill.exe Token: SeRestorePrivilege 992 is-NPOE2.tmp Token: SeBackupPrivilege 992 is-NPOE2.tmp - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1928 wrote to memory of 992 1928 file.exe 27 PID 1928 wrote to memory of 992 1928 file.exe 27 PID 1928 wrote to memory of 992 1928 file.exe 27 PID 1928 wrote to memory of 992 1928 file.exe 27 PID 1928 wrote to memory of 992 1928 file.exe 27 PID 1928 wrote to memory of 992 1928 file.exe 27 PID 1928 wrote to memory of 992 1928 file.exe 27 PID 992 wrote to memory of 1380 992 is-NPOE2.tmp 28 PID 992 wrote to memory of 1380 992 is-NPOE2.tmp 28 PID 992 wrote to memory of 1380 992 is-NPOE2.tmp 28 PID 992 wrote to memory of 1380 992 is-NPOE2.tmp 28 PID 992 wrote to memory of 1380 992 is-NPOE2.tmp 28 PID 992 wrote to memory of 1380 992 is-NPOE2.tmp 28 PID 992 wrote to memory of 1380 992 is-NPOE2.tmp 28 PID 1380 wrote to memory of 1724 1380 SplitFiles129.exe 29 PID 1380 wrote to memory of 1724 1380 SplitFiles129.exe 29 PID 1380 wrote to memory of 1724 1380 SplitFiles129.exe 29 PID 1380 wrote to memory of 1724 1380 SplitFiles129.exe 29 PID 1380 wrote to memory of 1724 1380 SplitFiles129.exe 29 PID 1380 wrote to memory of 1724 1380 SplitFiles129.exe 29 PID 1380 wrote to memory of 1724 1380 SplitFiles129.exe 29 PID 1380 wrote to memory of 1988 1380 SplitFiles129.exe 32 PID 1380 wrote to memory of 1988 1380 SplitFiles129.exe 32 PID 1380 wrote to memory of 1988 1380 SplitFiles129.exe 32 PID 1380 wrote to memory of 1988 1380 SplitFiles129.exe 32 PID 1380 wrote to memory of 1988 1380 SplitFiles129.exe 32 PID 1380 wrote to memory of 1988 1380 SplitFiles129.exe 32 PID 1380 wrote to memory of 1988 1380 SplitFiles129.exe 32 PID 1988 wrote to memory of 976 1988 cmd.exe 34 PID 1988 wrote to memory of 976 1988 cmd.exe 34 PID 1988 wrote to memory of 976 1988 cmd.exe 34 PID 1988 wrote to memory of 976 1988 cmd.exe 34 PID 1988 wrote to memory of 976 1988 cmd.exe 34 PID 1988 wrote to memory of 976 1988 cmd.exe 34 PID 1988 wrote to memory of 976 1988 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:1928 -
C:\Users\Admin\AppData\Local\Temp\is-8GE8E.tmp\is-NPOE2.tmp"C:\Users\Admin\AppData\Local\Temp\is-8GE8E.tmp\is-NPOE2.tmp" /SL4 $70120 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1734360 2094082⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Program Files (x86)\Split Files\SplitFiles129.exe"C:\Program Files (x86)\Split Files\SplitFiles129.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Qwa0C345HE.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1724
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles129.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles129.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles129.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:976
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\Split Files\SplitFiles129.exe
- Size 3.1MB
- SHA256 21354711a97e45f8d81eeff2cceba3ba6613c5c9a124ffdca35b9f771d4f85a1
- MD5 f16f72545b2e7ea3500510764ee1f713
- SHA1 7c732f2d2b52dad6164ad977b067e606e7cfd395
- SHA512 1339cf93bb82152026ce3742ec3b490f75bbea2e4c9887e4d1973577bf903a54adf72aa3b41b779a9963cbf8d96ba67ae9c3afd1ca96ad6a8aa5e5b6e7fab7b1
- SSDEEP 24576:g06ZMeOFOWgDgRaXZo3p1XzlZeImRJkFeNw4o9O+xZuOzR1mQ1pT6qkbKRIsLKli:36PYO48GpJepJRWrr1mi56LeiaxHRQ6
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files (x86)\Split Files\SplitFiles129.exe
- Size 3.1MB
- SHA256 21354711a97e45f8d81eeff2cceba3ba6613c5c9a124ffdca35b9f771d4f85a1
- MD5 f16f72545b2e7ea3500510764ee1f713
- SHA1 7c732f2d2b52dad6164ad977b067e606e7cfd395
- SHA512 1339cf93bb82152026ce3742ec3b490f75bbea2e4c9887e4d1973577bf903a54adf72aa3b41b779a9963cbf8d96ba67ae9c3afd1ca96ad6a8aa5e5b6e7fab7b1
- SSDEEP 24576:g06ZMeOFOWgDgRaXZo3p1XzlZeImRJkFeNw4o9O+xZuOzR1mQ1pT6qkbKRIsLKli:36PYO48GpJepJRWrr1mi56LeiaxHRQ6
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-8GE8E.tmp\is-NPOE2.tmp
- Size 798KB
- SHA256 4143e0bcbc451f67a84e95656fb76f35742af5ca40a87cb92da32c282a2ccd6f
- MD5 8d84df7727d14b5e972c0af5b9baca1f
- SHA1 37f37fad8bcbad5bc1c8c8e7154eefc9d9f30e65
- SHA512 7de2f690f344bb0a18e728284d2b431f5d44528efec4a015fbc822fe0258611bd9b32cdad8ffd56c6b15384bcff99b906544fe2d726edfa847a22eedbf16a6fe
- SSDEEP 12288:QpmOmg1k2bfrP437QzH/A6A40lG77NzknuGyXDdVxOu:ymt2bfrP437QzH/A6A7E7dVPXDXxOu
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-8GE8E.tmp\is-NPOE2.tmp
- Size 798KB
- SHA256 4143e0bcbc451f67a84e95656fb76f35742af5ca40a87cb92da32c282a2ccd6f
- MD5 8d84df7727d14b5e972c0af5b9baca1f
- SHA1 37f37fad8bcbad5bc1c8c8e7154eefc9d9f30e65
- SHA512 7de2f690f344bb0a18e728284d2b431f5d44528efec4a015fbc822fe0258611bd9b32cdad8ffd56c6b15384bcff99b906544fe2d726edfa847a22eedbf16a6fe
- SSDEEP 12288:QpmOmg1k2bfrP437QzH/A6A40lG77NzknuGyXDdVxOu:ymt2bfrP437QzH/A6A7E7dVPXDXxOu
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Qwa0C345HE.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}\Qwa0C345HE.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\SplitFiles129.exe
- Size 3.1MB
- SHA256 21354711a97e45f8d81eeff2cceba3ba6613c5c9a124ffdca35b9f771d4f85a1
- MD5 f16f72545b2e7ea3500510764ee1f713
- SHA1 7c732f2d2b52dad6164ad977b067e606e7cfd395
- SHA512 1339cf93bb82152026ce3742ec3b490f75bbea2e4c9887e4d1973577bf903a54adf72aa3b41b779a9963cbf8d96ba67ae9c3afd1ca96ad6a8aa5e5b6e7fab7b1
- SSDEEP 24576:g06ZMeOFOWgDgRaXZo3p1XzlZeImRJkFeNw4o9O+xZuOzR1mQ1pT6qkbKRIsLKli:36PYO48GpJepJRWrr1mi56LeiaxHRQ6
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\SplitFiles129.exe
- Size 3.1MB
- SHA256 21354711a97e45f8d81eeff2cceba3ba6613c5c9a124ffdca35b9f771d4f85a1
- MD5 f16f72545b2e7ea3500510764ee1f713
- SHA1 7c732f2d2b52dad6164ad977b067e606e7cfd395
- SHA512 1339cf93bb82152026ce3742ec3b490f75bbea2e4c9887e4d1973577bf903a54adf72aa3b41b779a9963cbf8d96ba67ae9c3afd1ca96ad6a8aa5e5b6e7fab7b1
- SSDEEP 24576:g06ZMeOFOWgDgRaXZo3p1XzlZeImRJkFeNw4o9O+xZuOzR1mQ1pT6qkbKRIsLKli:36PYO48GpJepJRWrr1mi56LeiaxHRQ6
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\SplitFiles129.exe
- Size 3.1MB
- SHA256 21354711a97e45f8d81eeff2cceba3ba6613c5c9a124ffdca35b9f771d4f85a1
- MD5 f16f72545b2e7ea3500510764ee1f713
- SHA1 7c732f2d2b52dad6164ad977b067e606e7cfd395
- SHA512 1339cf93bb82152026ce3742ec3b490f75bbea2e4c9887e4d1973577bf903a54adf72aa3b41b779a9963cbf8d96ba67ae9c3afd1ca96ad6a8aa5e5b6e7fab7b1
- SSDEEP 24576:g06ZMeOFOWgDgRaXZo3p1XzlZeImRJkFeNw4o9O+xZuOzR1mQ1pT6qkbKRIsLKli:36PYO48GpJepJRWrr1mi56LeiaxHRQ6
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-8GE8E.tmp\is-NPOE2.tmp
- Size 798KB
- SHA256 4143e0bcbc451f67a84e95656fb76f35742af5ca40a87cb92da32c282a2ccd6f
- MD5 8d84df7727d14b5e972c0af5b9baca1f
- SHA1 37f37fad8bcbad5bc1c8c8e7154eefc9d9f30e65
- SHA512 7de2f690f344bb0a18e728284d2b431f5d44528efec4a015fbc822fe0258611bd9b32cdad8ffd56c6b15384bcff99b906544fe2d726edfa847a22eedbf16a6fe
- SSDEEP 12288:QpmOmg1k2bfrP437QzH/A6A40lG77NzknuGyXDdVxOu:ymt2bfrP437QzH/A6A7E7dVPXDXxOu
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-KSFJJ.tmp\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path \Users\Admin\AppData\Local\Temp\is-KSFJJ.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-KSFJJ.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\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Qwa0C345HE.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}\Qwa0C345HE.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}\Qwa0C345HE.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP