Analysis
-
max time kernel
57s -
max time network
59s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
02/01/2023, 09:02
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
General
-
Target
file.exe
-
Size
1.8MB
-
MD5
935f09d23ee8baee6753e75a540c02ae
-
SHA1
09b8a5f9a9e5bf405f0a03dfef4516c42aca662f
-
SHA256
70063b6b7145d57932d8869652d242b9e26975bfd2c05294c610ff16a3617058
-
SHA512
cbee6fffa363fd4387d9a63cb0c70befec760ccbf767a336de2970af5b06a8e00b0128c9ba9f82e0946828fc612a2ab027f942c9f864821f67b136da7c56e66b
-
SSDEEP
49152:Mi/04jl6B/hbCb4ZnsXt89vGgjf3lHgwjT1MSBk3M:Mi/zjMxhOy889vGCHglSBk3M
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
-
Executes dropped EXE 3 IoCs
pid Process 1716 is-Q31R5.tmp 1048 SplitFiles128.exe 1700 5tTZEm.exe -
Loads dropped DLL 10 IoCs
pid Process 1204 file.exe 1716 is-Q31R5.tmp 1716 is-Q31R5.tmp 1716 is-Q31R5.tmp 1716 is-Q31R5.tmp 1048 SplitFiles128.exe 1048 SplitFiles128.exe 1048 SplitFiles128.exe 1700 5tTZEm.exe 1700 5tTZEm.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-IOB3L.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\unins000.dat is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\is-K8S1B.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\language\is-PJ4VR.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\language\is-3U3NK.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\language\is-SEUHS.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\language\is-OGTNN.tmp is-Q31R5.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-Q31R5.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles128.exe is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\language\is-LF6FI.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\language\is-O0H57.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\language\is-87IR5.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\is-3H1E8.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\is-K865N.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\language\is-JMSOP.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\language\is-VHOJJ.tmp is-Q31R5.tmp File created C:\Program Files (x86)\Split Files\is-83BFU.tmp is-Q31R5.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 868 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1048 SplitFiles128.exe 1048 SplitFiles128.exe 1048 SplitFiles128.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 868 taskkill.exe Token: SeRestorePrivilege 1716 is-Q31R5.tmp Token: SeBackupPrivilege 1716 is-Q31R5.tmp -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1204 wrote to memory of 1716 1204 file.exe 28 PID 1204 wrote to memory of 1716 1204 file.exe 28 PID 1204 wrote to memory of 1716 1204 file.exe 28 PID 1204 wrote to memory of 1716 1204 file.exe 28 PID 1204 wrote to memory of 1716 1204 file.exe 28 PID 1204 wrote to memory of 1716 1204 file.exe 28 PID 1204 wrote to memory of 1716 1204 file.exe 28 PID 1716 wrote to memory of 1048 1716 is-Q31R5.tmp 29 PID 1716 wrote to memory of 1048 1716 is-Q31R5.tmp 29 PID 1716 wrote to memory of 1048 1716 is-Q31R5.tmp 29 PID 1716 wrote to memory of 1048 1716 is-Q31R5.tmp 29 PID 1716 wrote to memory of 1048 1716 is-Q31R5.tmp 29 PID 1716 wrote to memory of 1048 1716 is-Q31R5.tmp 29 PID 1716 wrote to memory of 1048 1716 is-Q31R5.tmp 29 PID 1048 wrote to memory of 1700 1048 SplitFiles128.exe 30 PID 1048 wrote to memory of 1700 1048 SplitFiles128.exe 30 PID 1048 wrote to memory of 1700 1048 SplitFiles128.exe 30 PID 1048 wrote to memory of 1700 1048 SplitFiles128.exe 30 PID 1048 wrote to memory of 1700 1048 SplitFiles128.exe 30 PID 1048 wrote to memory of 1700 1048 SplitFiles128.exe 30 PID 1048 wrote to memory of 1700 1048 SplitFiles128.exe 30 PID 1048 wrote to memory of 1608 1048 SplitFiles128.exe 33 PID 1048 wrote to memory of 1608 1048 SplitFiles128.exe 33 PID 1048 wrote to memory of 1608 1048 SplitFiles128.exe 33 PID 1048 wrote to memory of 1608 1048 SplitFiles128.exe 33 PID 1048 wrote to memory of 1608 1048 SplitFiles128.exe 33 PID 1048 wrote to memory of 1608 1048 SplitFiles128.exe 33 PID 1048 wrote to memory of 1608 1048 SplitFiles128.exe 33 PID 1608 wrote to memory of 868 1608 cmd.exe 35 PID 1608 wrote to memory of 868 1608 cmd.exe 35 PID 1608 wrote to memory of 868 1608 cmd.exe 35 PID 1608 wrote to memory of 868 1608 cmd.exe 35 PID 1608 wrote to memory of 868 1608 cmd.exe 35 PID 1608 wrote to memory of 868 1608 cmd.exe 35 PID 1608 wrote to memory of 868 1608 cmd.exe 35
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:1204 -
C:\Users\Admin\AppData\Local\Temp\is-SV015.tmp\is-Q31R5.tmp"C:\Users\Admin\AppData\Local\Temp\is-SV015.tmp\is-Q31R5.tmp" /SL4 $70122 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1629676 931842⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Program Files (x86)\Split Files\SplitFiles128.exe"C:\Program Files (x86)\Split Files\SplitFiles128.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\5tTZEm.exe
- Executes dropped EXE
- Loads dropped DLL
PID:1700
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles128.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles128.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles128.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:868
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.3MB
MD52bc890de698088097f9d883d5459f638
SHA1edfaa14bd16525b41a1a1a4f9b50bde297eb6ef4
SHA25609b70dcad2fafed0e7d821bf46c4a80ffd4a4996409d2b56e65374370fe2b66c
SHA512b1c884a62486327ee05c139249baadf70ed91b5a8ed9fed26c764510cc9915456b45fa60975da6efdfb60ea4eb4f9a6c803797d7cfd4dada56f3db4c4816b1d3
-
Filesize
3.3MB
MD52bc890de698088097f9d883d5459f638
SHA1edfaa14bd16525b41a1a1a4f9b50bde297eb6ef4
SHA25609b70dcad2fafed0e7d821bf46c4a80ffd4a4996409d2b56e65374370fe2b66c
SHA512b1c884a62486327ee05c139249baadf70ed91b5a8ed9fed26c764510cc9915456b45fa60975da6efdfb60ea4eb4f9a6c803797d7cfd4dada56f3db4c4816b1d3
-
Filesize
685KB
MD57f46188bafe719b5ba8e32c2e0037f21
SHA16dc19d768f6b24766cfcdf49f630b517174c780e
SHA2563c65b17529d5a22bbcb9f726f567f3a0506f6536bc5048789fd2f11c420ffd5e
SHA5125c14cf51850c1e02765e86f7a166e7554425c3399e979ff75397a1c430e1c5099545eddd51e65b06790fb3cc9cbb70b70749438ec3277deba5a0eb4c3beb2bc3
-
Filesize
685KB
MD57f46188bafe719b5ba8e32c2e0037f21
SHA16dc19d768f6b24766cfcdf49f630b517174c780e
SHA2563c65b17529d5a22bbcb9f726f567f3a0506f6536bc5048789fd2f11c420ffd5e
SHA5125c14cf51850c1e02765e86f7a166e7554425c3399e979ff75397a1c430e1c5099545eddd51e65b06790fb3cc9cbb70b70749438ec3277deba5a0eb4c3beb2bc3
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
3.3MB
MD52bc890de698088097f9d883d5459f638
SHA1edfaa14bd16525b41a1a1a4f9b50bde297eb6ef4
SHA25609b70dcad2fafed0e7d821bf46c4a80ffd4a4996409d2b56e65374370fe2b66c
SHA512b1c884a62486327ee05c139249baadf70ed91b5a8ed9fed26c764510cc9915456b45fa60975da6efdfb60ea4eb4f9a6c803797d7cfd4dada56f3db4c4816b1d3
-
Filesize
3.3MB
MD52bc890de698088097f9d883d5459f638
SHA1edfaa14bd16525b41a1a1a4f9b50bde297eb6ef4
SHA25609b70dcad2fafed0e7d821bf46c4a80ffd4a4996409d2b56e65374370fe2b66c
SHA512b1c884a62486327ee05c139249baadf70ed91b5a8ed9fed26c764510cc9915456b45fa60975da6efdfb60ea4eb4f9a6c803797d7cfd4dada56f3db4c4816b1d3
-
Filesize
3.3MB
MD52bc890de698088097f9d883d5459f638
SHA1edfaa14bd16525b41a1a1a4f9b50bde297eb6ef4
SHA25609b70dcad2fafed0e7d821bf46c4a80ffd4a4996409d2b56e65374370fe2b66c
SHA512b1c884a62486327ee05c139249baadf70ed91b5a8ed9fed26c764510cc9915456b45fa60975da6efdfb60ea4eb4f9a6c803797d7cfd4dada56f3db4c4816b1d3
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
685KB
MD57f46188bafe719b5ba8e32c2e0037f21
SHA16dc19d768f6b24766cfcdf49f630b517174c780e
SHA2563c65b17529d5a22bbcb9f726f567f3a0506f6536bc5048789fd2f11c420ffd5e
SHA5125c14cf51850c1e02765e86f7a166e7554425c3399e979ff75397a1c430e1c5099545eddd51e65b06790fb3cc9cbb70b70749438ec3277deba5a0eb4c3beb2bc3
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c