Analysis
-
max time kernel
59s -
max time network
63s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29/12/2022, 09:58
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
General
-
Target
file.exe
-
Size
1.8MB
-
MD5
bdd80f7b1916c332adbc099640f3d4b3
-
SHA1
cae328ab6d092a273f456865b369e08fc80fc015
-
SHA256
0f1e70105d264da121d1617114a5231e868a9743b0d32d66eb9258ff63a6b746
-
SHA512
ad77dd6351cf8df0638541dcb429eed0295d01275f9d8f67d2f7c36409e5daeb4c54b36636baa9dcde119e3f57f1101fc8edb9b7c3c9986c5912a5f30ad199cc
-
SSDEEP
49152:giJZzsD14HDgH1Sy0kqRsIcO7Cq+Uqy3mmsNs:giJBsDOHkH8lRs+CqzlFh
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
-
Executes dropped EXE 3 IoCs
pid Process 988 is-U64MF.tmp 1124 SplitFiles124.exe 1080 NYMDSJXHazQPn.exe -
Loads dropped DLL 10 IoCs
pid Process 2032 file.exe 988 is-U64MF.tmp 988 is-U64MF.tmp 988 is-U64MF.tmp 988 is-U64MF.tmp 1124 SplitFiles124.exe 1124 SplitFiles124.exe 1124 SplitFiles124.exe 1080 NYMDSJXHazQPn.exe 1080 NYMDSJXHazQPn.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\unins000.dat is-U64MF.tmp File created C:\Program Files (x86)\Split Files\is-Q42R4.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\is-NBN0Q.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\language\is-1OJ99.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\language\is-VAGKV.tmp is-U64MF.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles124.exe is-U64MF.tmp File created C:\Program Files (x86)\Split Files\is-CJKNI.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\language\is-2L5TB.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\language\is-BPADI.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\language\is-AO2PN.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\is-C4B7O.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\language\is-JGBAH.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\language\is-LRS6M.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\language\is-8IGI2.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\language\is-QDVLA.tmp is-U64MF.tmp File created C:\Program Files (x86)\Split Files\is-KIE90.tmp is-U64MF.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-U64MF.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 1632 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1124 SplitFiles124.exe 1124 SplitFiles124.exe 1124 SplitFiles124.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1632 taskkill.exe Token: SeRestorePrivilege 988 is-U64MF.tmp Token: SeBackupPrivilege 988 is-U64MF.tmp -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2032 wrote to memory of 988 2032 file.exe 27 PID 2032 wrote to memory of 988 2032 file.exe 27 PID 2032 wrote to memory of 988 2032 file.exe 27 PID 2032 wrote to memory of 988 2032 file.exe 27 PID 2032 wrote to memory of 988 2032 file.exe 27 PID 2032 wrote to memory of 988 2032 file.exe 27 PID 2032 wrote to memory of 988 2032 file.exe 27 PID 988 wrote to memory of 1124 988 is-U64MF.tmp 28 PID 988 wrote to memory of 1124 988 is-U64MF.tmp 28 PID 988 wrote to memory of 1124 988 is-U64MF.tmp 28 PID 988 wrote to memory of 1124 988 is-U64MF.tmp 28 PID 988 wrote to memory of 1124 988 is-U64MF.tmp 28 PID 988 wrote to memory of 1124 988 is-U64MF.tmp 28 PID 988 wrote to memory of 1124 988 is-U64MF.tmp 28 PID 1124 wrote to memory of 1080 1124 SplitFiles124.exe 29 PID 1124 wrote to memory of 1080 1124 SplitFiles124.exe 29 PID 1124 wrote to memory of 1080 1124 SplitFiles124.exe 29 PID 1124 wrote to memory of 1080 1124 SplitFiles124.exe 29 PID 1124 wrote to memory of 1080 1124 SplitFiles124.exe 29 PID 1124 wrote to memory of 1080 1124 SplitFiles124.exe 29 PID 1124 wrote to memory of 1080 1124 SplitFiles124.exe 29 PID 1124 wrote to memory of 1692 1124 SplitFiles124.exe 32 PID 1124 wrote to memory of 1692 1124 SplitFiles124.exe 32 PID 1124 wrote to memory of 1692 1124 SplitFiles124.exe 32 PID 1124 wrote to memory of 1692 1124 SplitFiles124.exe 32 PID 1124 wrote to memory of 1692 1124 SplitFiles124.exe 32 PID 1124 wrote to memory of 1692 1124 SplitFiles124.exe 32 PID 1124 wrote to memory of 1692 1124 SplitFiles124.exe 32 PID 1692 wrote to memory of 1632 1692 cmd.exe 34 PID 1692 wrote to memory of 1632 1692 cmd.exe 34 PID 1692 wrote to memory of 1632 1692 cmd.exe 34 PID 1692 wrote to memory of 1632 1692 cmd.exe 34 PID 1692 wrote to memory of 1632 1692 cmd.exe 34 PID 1692 wrote to memory of 1632 1692 cmd.exe 34 PID 1692 wrote to memory of 1632 1692 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:2032 -
C:\Users\Admin\AppData\Local\Temp\is-17QUV.tmp\is-U64MF.tmp"C:\Users\Admin\AppData\Local\Temp\is-17QUV.tmp\is-U64MF.tmp" /SL4 $70124 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1600030 967682⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:988 -
C:\Program Files (x86)\Split Files\SplitFiles124.exe"C:\Program Files (x86)\Split Files\SplitFiles124.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\NYMDSJXHazQPn.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1080
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles124.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles124.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles124.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1632
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.1MB
MD5d63e027b01ffe607932e779310a03ba5
SHA1cd9f74759ff2b00a51c6bc1a0f9edb0a6090156a
SHA256b3be39f5577639279e92ccde2a9e056f220daef2316e4fcfaf196117fec9819c
SHA5122d6042eca03ad719f89d250cb853fcba924c56aca24fada727bc9a52028f1b8ce5e1e2e1886295e12d8484518e72ba0e06e0d1936edc7d00841d52e76140f0bb
-
Filesize
3.1MB
MD5d63e027b01ffe607932e779310a03ba5
SHA1cd9f74759ff2b00a51c6bc1a0f9edb0a6090156a
SHA256b3be39f5577639279e92ccde2a9e056f220daef2316e4fcfaf196117fec9819c
SHA5122d6042eca03ad719f89d250cb853fcba924c56aca24fada727bc9a52028f1b8ce5e1e2e1886295e12d8484518e72ba0e06e0d1936edc7d00841d52e76140f0bb
-
Filesize
688KB
MD5807603f3a565337ee2ac3e819b25ee58
SHA15cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d
-
Filesize
688KB
MD5807603f3a565337ee2ac3e819b25ee58
SHA15cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
3.1MB
MD5d63e027b01ffe607932e779310a03ba5
SHA1cd9f74759ff2b00a51c6bc1a0f9edb0a6090156a
SHA256b3be39f5577639279e92ccde2a9e056f220daef2316e4fcfaf196117fec9819c
SHA5122d6042eca03ad719f89d250cb853fcba924c56aca24fada727bc9a52028f1b8ce5e1e2e1886295e12d8484518e72ba0e06e0d1936edc7d00841d52e76140f0bb
-
Filesize
3.1MB
MD5d63e027b01ffe607932e779310a03ba5
SHA1cd9f74759ff2b00a51c6bc1a0f9edb0a6090156a
SHA256b3be39f5577639279e92ccde2a9e056f220daef2316e4fcfaf196117fec9819c
SHA5122d6042eca03ad719f89d250cb853fcba924c56aca24fada727bc9a52028f1b8ce5e1e2e1886295e12d8484518e72ba0e06e0d1936edc7d00841d52e76140f0bb
-
Filesize
3.1MB
MD5d63e027b01ffe607932e779310a03ba5
SHA1cd9f74759ff2b00a51c6bc1a0f9edb0a6090156a
SHA256b3be39f5577639279e92ccde2a9e056f220daef2316e4fcfaf196117fec9819c
SHA5122d6042eca03ad719f89d250cb853fcba924c56aca24fada727bc9a52028f1b8ce5e1e2e1886295e12d8484518e72ba0e06e0d1936edc7d00841d52e76140f0bb
-
Filesize
688KB
MD5807603f3a565337ee2ac3e819b25ee58
SHA15cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c