Analysis
- max time kernel
60s - max time network
62s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
06/01/2023, 10:16
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
10 signatures
150 seconds
General
- Target file.exe
- Size 1.7MB
- Sample230106-mas4lsbd4t
- SHA256 041e4aa6556bcf92854a65b2eccd9522411808e08b2da5710cb63adc332469e2
- MD5 3c8121d252d312c02b38469dacd92157
- SHA1 86dcaf7c4253d52e3c7a01cd22eb015f4c73d2f0
- SHA512 ad1087eb4d923aa1be098e983446009e15672354cd20a7c6f3e9f963a227078c64f4a3a1417dd1061c875f1c124b6a77151fe06621be17e01f3aa25a3ade525b
- SSDEEP 49152:0iUeN/6NpuMz0wTW+TRyvEh9uq+upzSfj7YTNsGfNpe:0iUesOMnTW+TR4ef+6zSfjcTN5u
- 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 996 is-LUOGA.tmp 1216 PlitFiles132.exe 2044 JSOCXTIfg.exe - Loads dropped DLL 10 IoCs
pid Process 2036 file.exe 996 is-LUOGA.tmp 996 is-LUOGA.tmp 996 is-LUOGA.tmp 996 is-LUOGA.tmp 1216 PlitFiles132.exe 1216 PlitFiles132.exe 1216 PlitFiles132.exe 2044 JSOCXTIfg.exe 2044 JSOCXTIfg.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\is-EHQQC.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\language\is-ECSI2.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\language\is-MMDN1.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\language\is-M98N1.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\is-HTV28.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\is-R915T.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\language\is-VPEN0.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\language\is-IHOQF.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\language\is-GG4FC.tmp is-LUOGA.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-LUOGA.tmp File opened for modification C:\Program Files (x86)\Split Files\PlitFiles132.exe is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\language\is-BAD78.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\language\is-5IUDC.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\is-DTQV0.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\unins000.dat is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\is-RHN9O.tmp is-LUOGA.tmp File created C:\Program Files (x86)\Split Files\language\is-NAHP9.tmp is-LUOGA.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 1792 taskkill.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1216 PlitFiles132.exe 1216 PlitFiles132.exe 1216 PlitFiles132.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 996 is-LUOGA.tmp Token: SeBackupPrivilege 996 is-LUOGA.tmp Token: SeDebugPrivilege 1792 taskkill.exe - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2036 wrote to memory of 996 2036 file.exe 27 PID 2036 wrote to memory of 996 2036 file.exe 27 PID 2036 wrote to memory of 996 2036 file.exe 27 PID 2036 wrote to memory of 996 2036 file.exe 27 PID 2036 wrote to memory of 996 2036 file.exe 27 PID 2036 wrote to memory of 996 2036 file.exe 27 PID 2036 wrote to memory of 996 2036 file.exe 27 PID 996 wrote to memory of 1216 996 is-LUOGA.tmp 28 PID 996 wrote to memory of 1216 996 is-LUOGA.tmp 28 PID 996 wrote to memory of 1216 996 is-LUOGA.tmp 28 PID 996 wrote to memory of 1216 996 is-LUOGA.tmp 28 PID 996 wrote to memory of 1216 996 is-LUOGA.tmp 28 PID 996 wrote to memory of 1216 996 is-LUOGA.tmp 28 PID 996 wrote to memory of 1216 996 is-LUOGA.tmp 28 PID 1216 wrote to memory of 2044 1216 PlitFiles132.exe 29 PID 1216 wrote to memory of 2044 1216 PlitFiles132.exe 29 PID 1216 wrote to memory of 2044 1216 PlitFiles132.exe 29 PID 1216 wrote to memory of 2044 1216 PlitFiles132.exe 29 PID 1216 wrote to memory of 2044 1216 PlitFiles132.exe 29 PID 1216 wrote to memory of 2044 1216 PlitFiles132.exe 29 PID 1216 wrote to memory of 2044 1216 PlitFiles132.exe 29 PID 1216 wrote to memory of 1920 1216 PlitFiles132.exe 32 PID 1216 wrote to memory of 1920 1216 PlitFiles132.exe 32 PID 1216 wrote to memory of 1920 1216 PlitFiles132.exe 32 PID 1216 wrote to memory of 1920 1216 PlitFiles132.exe 32 PID 1216 wrote to memory of 1920 1216 PlitFiles132.exe 32 PID 1216 wrote to memory of 1920 1216 PlitFiles132.exe 32 PID 1216 wrote to memory of 1920 1216 PlitFiles132.exe 32 PID 1920 wrote to memory of 1792 1920 cmd.exe 34 PID 1920 wrote to memory of 1792 1920 cmd.exe 34 PID 1920 wrote to memory of 1792 1920 cmd.exe 34 PID 1920 wrote to memory of 1792 1920 cmd.exe 34 PID 1920 wrote to memory of 1792 1920 cmd.exe 34 PID 1920 wrote to memory of 1792 1920 cmd.exe 34 PID 1920 wrote to memory of 1792 1920 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:2036 -
C:\Users\Admin\AppData\Local\Temp\is-0H66N.tmp\is-LUOGA.tmp"C:\Users\Admin\AppData\Local\Temp\is-0H66N.tmp\is-LUOGA.tmp" /SL4 $70122 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1559546 967682⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Program Files (x86)\Split Files\PlitFiles132.exe"C:\Program Files (x86)\Split Files\PlitFiles132.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\JSOCXTIfg.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2044
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "PlitFiles132.exe" /f & erase "C:\Program Files (x86)\Split Files\PlitFiles132.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "PlitFiles132.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1792
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files (x86)\Split Files\PlitFiles132.exe
- Size 3.1MB
- SHA256 19d24890681fc1886d8f7af8317d1d649f285ddeac2ddeb7413685a33504e42b
- MD5 34273dde9af5bd39dee2e062d33803d9
- SHA1 a3cc8f31be5c6a54baa26636c1473863aad4c17e
- SHA512 ffef3f5c7d48d1a1c064768ae49db0a62b18ab312829a843d4c164109469dabb431aa7d715c31ac28810cc76799e4849e5a472e970069e9931643449ea2d668e
- SSDEEP 24576:R63l+PII5vlXxgj//qrdXeiloJkjUI+xJ9xJRWwPpguII9MTyZJLPI/8:A+PII7X6jXyploaAI+xX7RWwPUsJLT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files (x86)\Split Files\PlitFiles132.exe
- Size 3.1MB
- SHA256 19d24890681fc1886d8f7af8317d1d649f285ddeac2ddeb7413685a33504e42b
- MD5 34273dde9af5bd39dee2e062d33803d9
- SHA1 a3cc8f31be5c6a54baa26636c1473863aad4c17e
- SHA512 ffef3f5c7d48d1a1c064768ae49db0a62b18ab312829a843d4c164109469dabb431aa7d715c31ac28810cc76799e4849e5a472e970069e9931643449ea2d668e
- SSDEEP 24576:R63l+PII5vlXxgj//qrdXeiloJkjUI+xJ9xJRWwPpguII9MTyZJLPI/8:A+PII7X6jXyploaAI+xX7RWwPUsJLT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-0H66N.tmp\is-LUOGA.tmp
- Size 688KB
- SHA256 d55e786215fe7ec096087dbf7a3558397768ad50f0182f474d2a3ce6ed772405
- MD5 825e351a0f8f4c0765f2362966ac3122
- SHA1 b7776ed8bd5cb15d6f6a12805de3394012b3f8c1
- SHA512 775613f17bdfa13bfb99660f517d7b1fdd31acc268304a184fc86cc339c987e2d020c313a685c22fb406422137ffc4c999b7988951ade37c2990b898b0fb9f43
- SSDEEP 12288:5pmOmg1k2bfrP437QzH/A6A40lG77NzknuGynxOM:/mt2bfrP437QzH/A6A7E7dVPnxOM
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-0H66N.tmp\is-LUOGA.tmp
- Size 688KB
- SHA256 d55e786215fe7ec096087dbf7a3558397768ad50f0182f474d2a3ce6ed772405
- MD5 825e351a0f8f4c0765f2362966ac3122
- SHA1 b7776ed8bd5cb15d6f6a12805de3394012b3f8c1
- SHA512 775613f17bdfa13bfb99660f517d7b1fdd31acc268304a184fc86cc339c987e2d020c313a685c22fb406422137ffc4c999b7988951ade37c2990b898b0fb9f43
- SSDEEP 12288:5pmOmg1k2bfrP437QzH/A6A40lG77NzknuGynxOM:/mt2bfrP437QzH/A6A7E7dVPnxOM
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\JSOCXTIfg.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}\JSOCXTIfg.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\PlitFiles132.exe
- Size 3.1MB
- SHA256 19d24890681fc1886d8f7af8317d1d649f285ddeac2ddeb7413685a33504e42b
- MD5 34273dde9af5bd39dee2e062d33803d9
- SHA1 a3cc8f31be5c6a54baa26636c1473863aad4c17e
- SHA512 ffef3f5c7d48d1a1c064768ae49db0a62b18ab312829a843d4c164109469dabb431aa7d715c31ac28810cc76799e4849e5a472e970069e9931643449ea2d668e
- SSDEEP 24576:R63l+PII5vlXxgj//qrdXeiloJkjUI+xJ9xJRWwPpguII9MTyZJLPI/8:A+PII7X6jXyploaAI+xX7RWwPUsJLT
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\PlitFiles132.exe
- Size 3.1MB
- SHA256 19d24890681fc1886d8f7af8317d1d649f285ddeac2ddeb7413685a33504e42b
- MD5 34273dde9af5bd39dee2e062d33803d9
- SHA1 a3cc8f31be5c6a54baa26636c1473863aad4c17e
- SHA512 ffef3f5c7d48d1a1c064768ae49db0a62b18ab312829a843d4c164109469dabb431aa7d715c31ac28810cc76799e4849e5a472e970069e9931643449ea2d668e
- SSDEEP 24576:R63l+PII5vlXxgj//qrdXeiloJkjUI+xJ9xJRWwPpguII9MTyZJLPI/8:A+PII7X6jXyploaAI+xX7RWwPUsJLT
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\PlitFiles132.exe
- Size 3.1MB
- SHA256 19d24890681fc1886d8f7af8317d1d649f285ddeac2ddeb7413685a33504e42b
- MD5 34273dde9af5bd39dee2e062d33803d9
- SHA1 a3cc8f31be5c6a54baa26636c1473863aad4c17e
- SHA512 ffef3f5c7d48d1a1c064768ae49db0a62b18ab312829a843d4c164109469dabb431aa7d715c31ac28810cc76799e4849e5a472e970069e9931643449ea2d668e
- SSDEEP 24576:R63l+PII5vlXxgj//qrdXeiloJkjUI+xJ9xJRWwPpguII9MTyZJLPI/8:A+PII7X6jXyploaAI+xX7RWwPUsJLT
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-0H66N.tmp\is-LUOGA.tmp
- Size 688KB
- SHA256 d55e786215fe7ec096087dbf7a3558397768ad50f0182f474d2a3ce6ed772405
- MD5 825e351a0f8f4c0765f2362966ac3122
- SHA1 b7776ed8bd5cb15d6f6a12805de3394012b3f8c1
- SHA512 775613f17bdfa13bfb99660f517d7b1fdd31acc268304a184fc86cc339c987e2d020c313a685c22fb406422137ffc4c999b7988951ade37c2990b898b0fb9f43
- SSDEEP 12288:5pmOmg1k2bfrP437QzH/A6A40lG77NzknuGynxOM:/mt2bfrP437QzH/A6A7E7dVPnxOM
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-HTSR4.tmp\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path \Users\Admin\AppData\Local\Temp\is-HTSR4.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-HTSR4.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}\JSOCXTIfg.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}\JSOCXTIfg.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}\JSOCXTIfg.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP