Analysis
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max time kernel
54s -
max time network
55s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
13-01-2023 03:34
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
General
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Target
file.exe
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Size
1.3MB
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MD5
109ed5086c59902ffb27a5c94e5b62a8
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SHA1
8672576bcf120e371f088da07dfbafa70aace5ef
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SHA256
7c1ffbf942a8e853f61ff861010a80c811e65cf9c74f2e39b81cbb15154d298c
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SHA512
dd4aa9e94c0caf3c58c0ac11baa0daa2d4afbc507f79efd74195d3b64b6a1042872f54c3e158a719f72246417b6d19b08e1fe7d2d0cd56c968245979dac72c6b
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SSDEEP
24576:D20FV+nZf24qnFQxYpLTlO7kEZh99s80sta2jzSgGfVXwFLcXYf+kATuCqtn/:D2KVKqFNBpEFu/kADkATuCE/
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1800 file.tmp 828 NitFiles451.exe 1368 9KhkLHIOd.exe -
Loads dropped DLL 6 IoCs
pid Process 1780 file.exe 1800 file.tmp 1800 file.tmp 1800 file.tmp 1800 file.tmp 828 NitFiles451.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 17 IoCs
description ioc Process File created C:\Program Files (x86)\Nit Files\is-HR5KK.tmp file.tmp File created C:\Program Files (x86)\Nit Files\language\is-B46HS.tmp file.tmp File created C:\Program Files (x86)\Nit Files\is-N4IRV.tmp file.tmp File opened for modification C:\Program Files (x86)\Nit Files\NitFiles451.exe file.tmp File created C:\Program Files (x86)\Nit Files\unins000.dat file.tmp File created C:\Program Files (x86)\Nit Files\language\is-RI5PB.tmp file.tmp File created C:\Program Files (x86)\Nit Files\language\is-FUT1R.tmp file.tmp File created C:\Program Files (x86)\Nit Files\language\is-H8VL9.tmp file.tmp File created C:\Program Files (x86)\Nit Files\is-PK2HN.tmp file.tmp File opened for modification C:\Program Files (x86)\Nit Files\unins000.dat file.tmp File created C:\Program Files (x86)\Nit Files\is-NL3U9.tmp file.tmp File created C:\Program Files (x86)\Nit Files\language\is-7521H.tmp file.tmp File created C:\Program Files (x86)\Nit Files\language\is-ILRKC.tmp file.tmp File created C:\Program Files (x86)\Nit Files\language\is-7ENL2.tmp file.tmp File created C:\Program Files (x86)\Nit Files\language\is-J0TDP.tmp file.tmp File created C:\Program Files (x86)\Nit Files\language\is-8KP2N.tmp file.tmp File created C:\Program Files (x86)\Nit Files\is-8S5UR.tmp file.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
pid Process 324 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 828 NitFiles451.exe 828 NitFiles451.exe 828 NitFiles451.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 324 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1780 wrote to memory of 1800 1780 file.exe 28 PID 1780 wrote to memory of 1800 1780 file.exe 28 PID 1780 wrote to memory of 1800 1780 file.exe 28 PID 1780 wrote to memory of 1800 1780 file.exe 28 PID 1780 wrote to memory of 1800 1780 file.exe 28 PID 1780 wrote to memory of 1800 1780 file.exe 28 PID 1780 wrote to memory of 1800 1780 file.exe 28 PID 1800 wrote to memory of 828 1800 file.tmp 29 PID 1800 wrote to memory of 828 1800 file.tmp 29 PID 1800 wrote to memory of 828 1800 file.tmp 29 PID 1800 wrote to memory of 828 1800 file.tmp 29 PID 828 wrote to memory of 1368 828 NitFiles451.exe 30 PID 828 wrote to memory of 1368 828 NitFiles451.exe 30 PID 828 wrote to memory of 1368 828 NitFiles451.exe 30 PID 828 wrote to memory of 1368 828 NitFiles451.exe 30 PID 828 wrote to memory of 1504 828 NitFiles451.exe 33 PID 828 wrote to memory of 1504 828 NitFiles451.exe 33 PID 828 wrote to memory of 1504 828 NitFiles451.exe 33 PID 828 wrote to memory of 1504 828 NitFiles451.exe 33 PID 1504 wrote to memory of 324 1504 cmd.exe 35 PID 1504 wrote to memory of 324 1504 cmd.exe 35 PID 1504 wrote to memory of 324 1504 cmd.exe 35 PID 1504 wrote to memory of 324 1504 cmd.exe 35
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
PID:1780 -
C:\Users\Admin\AppData\Local\Temp\is-NS2Q2.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-NS2Q2.tmp\file.tmp" /SL5="$80022,1105302,230400,C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Program Files (x86)\Nit Files\NitFiles451.exe"C:\Program Files (x86)\Nit Files\NitFiles451.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\9KhkLHIOd.exe
- Executes dropped EXE
PID:1368
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "NitFiles451.exe" /f & erase "C:\Program Files (x86)\Nit Files\NitFiles451.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "NitFiles451.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:324
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.9MB
MD58b304526dfc3f2b3422ca824a124ac11
SHA1fd832328c5dc8cf174b05c5a17b606b699bbc1c3
SHA256a402b73bd344e5fbadac357557d633204d3446530f6f2da11a451bb483afac53
SHA512d55ab5f2514e71a563fe2b052b6881f39c70a2f5965a33eb162c7dd7752332eae44be9d8052d31a34c2dc1e44e3e0b3426e37e3e51b8f376a4067dcf2f8d73f9
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Filesize
1.9MB
MD58b304526dfc3f2b3422ca824a124ac11
SHA1fd832328c5dc8cf174b05c5a17b606b699bbc1c3
SHA256a402b73bd344e5fbadac357557d633204d3446530f6f2da11a451bb483afac53
SHA512d55ab5f2514e71a563fe2b052b6881f39c70a2f5965a33eb162c7dd7752332eae44be9d8052d31a34c2dc1e44e3e0b3426e37e3e51b8f376a4067dcf2f8d73f9
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Filesize
849KB
MD556c525b0e7751035562a3bd35096b17d
SHA1befb8a8e73e296e95412b319bc20f76fb382d525
SHA2566fbb6401d3de1f971f182f9292e817fbeee537725cd5a5974b2bd7bd90a26559
SHA51275e793a12229ac68cc5ed92d97c1db55dbeb1712cb5377fc2323363e4ffd026f2e68c7852fa0eb6837c8ba7f5449a70160c3cadb49c062c4dc53cdbccdf6d354
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Filesize
849KB
MD556c525b0e7751035562a3bd35096b17d
SHA1befb8a8e73e296e95412b319bc20f76fb382d525
SHA2566fbb6401d3de1f971f182f9292e817fbeee537725cd5a5974b2bd7bd90a26559
SHA51275e793a12229ac68cc5ed92d97c1db55dbeb1712cb5377fc2323363e4ffd026f2e68c7852fa0eb6837c8ba7f5449a70160c3cadb49c062c4dc53cdbccdf6d354
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
1.9MB
MD58b304526dfc3f2b3422ca824a124ac11
SHA1fd832328c5dc8cf174b05c5a17b606b699bbc1c3
SHA256a402b73bd344e5fbadac357557d633204d3446530f6f2da11a451bb483afac53
SHA512d55ab5f2514e71a563fe2b052b6881f39c70a2f5965a33eb162c7dd7752332eae44be9d8052d31a34c2dc1e44e3e0b3426e37e3e51b8f376a4067dcf2f8d73f9
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
849KB
MD556c525b0e7751035562a3bd35096b17d
SHA1befb8a8e73e296e95412b319bc20f76fb382d525
SHA2566fbb6401d3de1f971f182f9292e817fbeee537725cd5a5974b2bd7bd90a26559
SHA51275e793a12229ac68cc5ed92d97c1db55dbeb1712cb5377fc2323363e4ffd026f2e68c7852fa0eb6837c8ba7f5449a70160c3cadb49c062c4dc53cdbccdf6d354
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c