Analysis
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max time kernel
57s -
max time network
59s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
12-01-2023 19:21
Static task
static1
Behavioral task
behavioral1
Sample
3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe
Resource
win7-20220812-en
General
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Target
3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe
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Size
1.7MB
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MD5
cbcba2c9fc9010449f6ef91ac3f6bd9b
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SHA1
74afe7d15b52fbf413227969c55fa3b05d3d9320
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SHA256
3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848
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SHA512
627066d90493f02b0348bb4a7a9491438169702692a30b4bacdd8f1b0dc650c15d732b824a94732986a328d151553442c0abbdab7879ac269cfc11d6466749be
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SSDEEP
24576:220Sx+NGI+hpOuUGeGKmI5m5Btaa2bsKEByRS0+zud5gewk1wsXvgXC75ld1qSVi:228uDK6DtR7TuRDkid7d1qapk
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2000 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp 1224 MitFiles138.exe 2036 QVUiyjRjv5.exe -
Loads dropped DLL 6 IoCs
pid Process 1920 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe 2000 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp 2000 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp 2000 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp 2000 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp 1224 MitFiles138.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)\Mit Files\language\is-5NJI7.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\language\is-519CL.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\language\is-CB8KF.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\language\is-QUUU0.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\is-C9VGS.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\is-DFPVF.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\is-MLICV.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\language\is-68QAD.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\language\is-D4OH1.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\language\is-1G1LE.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\is-FGDP8.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File opened for modification C:\Program Files (x86)\Mit Files\unins000.dat 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File opened for modification C:\Program Files (x86)\Mit Files\MitFiles138.exe 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\unins000.dat 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\is-H4G0V.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\language\is-4IBQO.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp File created C:\Program Files (x86)\Mit Files\language\is-JOPJ5.tmp 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.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 388 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1224 MitFiles138.exe 1224 MitFiles138.exe 1224 MitFiles138.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 388 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1920 wrote to memory of 2000 1920 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe 28 PID 1920 wrote to memory of 2000 1920 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe 28 PID 1920 wrote to memory of 2000 1920 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe 28 PID 1920 wrote to memory of 2000 1920 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe 28 PID 1920 wrote to memory of 2000 1920 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe 28 PID 1920 wrote to memory of 2000 1920 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe 28 PID 1920 wrote to memory of 2000 1920 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe 28 PID 2000 wrote to memory of 1224 2000 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp 29 PID 2000 wrote to memory of 1224 2000 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp 29 PID 2000 wrote to memory of 1224 2000 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp 29 PID 2000 wrote to memory of 1224 2000 3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp 29 PID 1224 wrote to memory of 2036 1224 MitFiles138.exe 30 PID 1224 wrote to memory of 2036 1224 MitFiles138.exe 30 PID 1224 wrote to memory of 2036 1224 MitFiles138.exe 30 PID 1224 wrote to memory of 2036 1224 MitFiles138.exe 30 PID 1224 wrote to memory of 1988 1224 MitFiles138.exe 33 PID 1224 wrote to memory of 1988 1224 MitFiles138.exe 33 PID 1224 wrote to memory of 1988 1224 MitFiles138.exe 33 PID 1224 wrote to memory of 1988 1224 MitFiles138.exe 33 PID 1988 wrote to memory of 388 1988 cmd.exe 35 PID 1988 wrote to memory of 388 1988 cmd.exe 35 PID 1988 wrote to memory of 388 1988 cmd.exe 35 PID 1988 wrote to memory of 388 1988 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe"C:\Users\Admin\AppData\Local\Temp\3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Users\Admin\AppData\Local\Temp\is-SP73H.tmp\3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp"C:\Users\Admin\AppData\Local\Temp\is-SP73H.tmp\3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp" /SL5="$60126,1494446,483328,C:\Users\Admin\AppData\Local\Temp\3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Program Files (x86)\Mit Files\MitFiles138.exe"C:\Program Files (x86)\Mit Files\MitFiles138.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\QVUiyjRjv5.exe
- Executes dropped EXE
PID:2036
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "MitFiles138.exe" /f & erase "C:\Program Files (x86)\Mit Files\MitFiles138.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "MitFiles138.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:388
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.9MB
MD5ef131815adac031d09b4348219f95343
SHA1253f24eeffc829574de9c592de648583f842de7f
SHA2566e07d263a0b6c7961ab32c4d473b25f13b3ffd7ee24a31489242e55dbf2d0c35
SHA51201d512d0b49441bfbbc39359c1a0a6b9a92bcb2c46b5dece77844de8ad732eb11e8b21c683f5f9abe52c8e8c9f1df7b0563b51e87008623d206c9dc67fcde836
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Filesize
1.9MB
MD5ef131815adac031d09b4348219f95343
SHA1253f24eeffc829574de9c592de648583f842de7f
SHA2566e07d263a0b6c7961ab32c4d473b25f13b3ffd7ee24a31489242e55dbf2d0c35
SHA51201d512d0b49441bfbbc39359c1a0a6b9a92bcb2c46b5dece77844de8ad732eb11e8b21c683f5f9abe52c8e8c9f1df7b0563b51e87008623d206c9dc67fcde836
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C:\Users\Admin\AppData\Local\Temp\is-SP73H.tmp\3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp
Filesize695KB
MD5415533bb40980951c966665cff9e2fe7
SHA1fce396c8fa01876dd008f22c8be9a9b706f4aaec
SHA256f688364bb17f03e53de641e7a0b0efefe30ac155fa9fa414a2150204ed9d3734
SHA5123a8f88fa83e9f8be96fc9a0e8b47536455f50b1c511210d98fa178444b1e5ad1943cc3000e869f6dba4c782b48a3538d0b52d5e29ce3a692636aefc0e52083ae
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C:\Users\Admin\AppData\Local\Temp\is-SP73H.tmp\3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp
Filesize695KB
MD5415533bb40980951c966665cff9e2fe7
SHA1fce396c8fa01876dd008f22c8be9a9b706f4aaec
SHA256f688364bb17f03e53de641e7a0b0efefe30ac155fa9fa414a2150204ed9d3734
SHA5123a8f88fa83e9f8be96fc9a0e8b47536455f50b1c511210d98fa178444b1e5ad1943cc3000e869f6dba4c782b48a3538d0b52d5e29ce3a692636aefc0e52083ae
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
1.9MB
MD5ef131815adac031d09b4348219f95343
SHA1253f24eeffc829574de9c592de648583f842de7f
SHA2566e07d263a0b6c7961ab32c4d473b25f13b3ffd7ee24a31489242e55dbf2d0c35
SHA51201d512d0b49441bfbbc39359c1a0a6b9a92bcb2c46b5dece77844de8ad732eb11e8b21c683f5f9abe52c8e8c9f1df7b0563b51e87008623d206c9dc67fcde836
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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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\Users\Admin\AppData\Local\Temp\is-SP73H.tmp\3d5ae0db438bee2c91587ca9f10b3a6243168e846692177138e1b2c0226d7848.tmp
Filesize695KB
MD5415533bb40980951c966665cff9e2fe7
SHA1fce396c8fa01876dd008f22c8be9a9b706f4aaec
SHA256f688364bb17f03e53de641e7a0b0efefe30ac155fa9fa414a2150204ed9d3734
SHA5123a8f88fa83e9f8be96fc9a0e8b47536455f50b1c511210d98fa178444b1e5ad1943cc3000e869f6dba4c782b48a3538d0b52d5e29ce3a692636aefc0e52083ae
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c