Analysis
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max time kernel
60s -
max time network
63s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/11/2022, 18:30
Static task
static1
Behavioral task
behavioral1
Sample
16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe
Resource
win10v2004-20221111-en
General
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Target
16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe
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Size
2.0MB
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MD5
fb99a467de119cd127cc2a50ef123f87
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SHA1
3cdf9b3fe3fb89f61c87456adeaca842d6371417
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SHA256
16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653
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SHA512
43661e0aecd1e61145f2773098a2e88b0dd58eb8e69bd1a8a14372b5f122b2a5b029c1654327ccf30d6b529aa54e587026c908592274984c482d41d592eeb5e7
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SSDEEP
49152:Ys0SOIpOw7duYyQcMDY1tWToUC497+5aJYAG5cyk:Ys0zw7du7hBAoU17+AJYXcyk
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1160 is-QFUOH.tmp 1572 PrintFolders.exe 1244 IkH1MJ0t.exe -
Loads dropped DLL 10 IoCs
pid Process 288 16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe 1160 is-QFUOH.tmp 1160 is-QFUOH.tmp 1160 is-QFUOH.tmp 1160 is-QFUOH.tmp 1572 PrintFolders.exe 1572 PrintFolders.exe 1572 PrintFolders.exe 1244 IkH1MJ0t.exe 1244 IkH1MJ0t.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 9 IoCs
description ioc Process File created C:\Program Files (x86)\PrintFolders\is-O07L1.tmp is-QFUOH.tmp File created C:\Program Files (x86)\PrintFolders\is-O5FTT.tmp is-QFUOH.tmp File created C:\Program Files (x86)\PrintFolders\is-U4833.tmp is-QFUOH.tmp File created C:\Program Files (x86)\PrintFolders\unins000.dat is-QFUOH.tmp File created C:\Program Files (x86)\PrintFolders\is-9OU3N.tmp is-QFUOH.tmp File opened for modification C:\Program Files (x86)\PrintFolders\unins000.dat is-QFUOH.tmp File opened for modification C:\Program Files (x86)\PrintFolders\PrintFolders.exe is-QFUOH.tmp File created C:\Program Files (x86)\PrintFolders\is-4TS5F.tmp is-QFUOH.tmp File created C:\Program Files (x86)\PrintFolders\is-IHFJH.tmp is-QFUOH.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 1444 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1572 PrintFolders.exe 1572 PrintFolders.exe 1572 PrintFolders.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1160 is-QFUOH.tmp Token: SeBackupPrivilege 1160 is-QFUOH.tmp Token: SeDebugPrivilege 1444 taskkill.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 288 wrote to memory of 1160 288 16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe 28 PID 288 wrote to memory of 1160 288 16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe 28 PID 288 wrote to memory of 1160 288 16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe 28 PID 288 wrote to memory of 1160 288 16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe 28 PID 288 wrote to memory of 1160 288 16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe 28 PID 288 wrote to memory of 1160 288 16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe 28 PID 288 wrote to memory of 1160 288 16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe 28 PID 1160 wrote to memory of 1572 1160 is-QFUOH.tmp 29 PID 1160 wrote to memory of 1572 1160 is-QFUOH.tmp 29 PID 1160 wrote to memory of 1572 1160 is-QFUOH.tmp 29 PID 1160 wrote to memory of 1572 1160 is-QFUOH.tmp 29 PID 1160 wrote to memory of 1572 1160 is-QFUOH.tmp 29 PID 1160 wrote to memory of 1572 1160 is-QFUOH.tmp 29 PID 1160 wrote to memory of 1572 1160 is-QFUOH.tmp 29 PID 1572 wrote to memory of 1244 1572 PrintFolders.exe 30 PID 1572 wrote to memory of 1244 1572 PrintFolders.exe 30 PID 1572 wrote to memory of 1244 1572 PrintFolders.exe 30 PID 1572 wrote to memory of 1244 1572 PrintFolders.exe 30 PID 1572 wrote to memory of 1244 1572 PrintFolders.exe 30 PID 1572 wrote to memory of 1244 1572 PrintFolders.exe 30 PID 1572 wrote to memory of 1244 1572 PrintFolders.exe 30 PID 1572 wrote to memory of 1504 1572 PrintFolders.exe 33 PID 1572 wrote to memory of 1504 1572 PrintFolders.exe 33 PID 1572 wrote to memory of 1504 1572 PrintFolders.exe 33 PID 1572 wrote to memory of 1504 1572 PrintFolders.exe 33 PID 1572 wrote to memory of 1504 1572 PrintFolders.exe 33 PID 1572 wrote to memory of 1504 1572 PrintFolders.exe 33 PID 1572 wrote to memory of 1504 1572 PrintFolders.exe 33 PID 1504 wrote to memory of 1444 1504 cmd.exe 35 PID 1504 wrote to memory of 1444 1504 cmd.exe 35 PID 1504 wrote to memory of 1444 1504 cmd.exe 35 PID 1504 wrote to memory of 1444 1504 cmd.exe 35 PID 1504 wrote to memory of 1444 1504 cmd.exe 35 PID 1504 wrote to memory of 1444 1504 cmd.exe 35 PID 1504 wrote to memory of 1444 1504 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe"C:\Users\Admin\AppData\Local\Temp\16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:288 -
C:\Users\Admin\AppData\Local\Temp\is-J1H81.tmp\is-QFUOH.tmp"C:\Users\Admin\AppData\Local\Temp\is-J1H81.tmp\is-QFUOH.tmp" /SL4 $60122 "C:\Users\Admin\AppData\Local\Temp\16b57adbc06a4ad058aa05ccfdeb85b57c8ffc22f7a04e268cd9cb7ea6579653.exe" 1871357 517122⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Program Files (x86)\PrintFolders\PrintFolders.exe"C:\Program Files (x86)\PrintFolders\PrintFolders.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\IkH1MJ0t.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1244
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "PrintFolders.exe" /f & erase "C:\Program Files (x86)\PrintFolders\PrintFolders.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "PrintFolders.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1444
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.1MB
MD55fdfc5178310d49fdc5434b49381b3dd
SHA1a29d31ef10596e672bbc5af600730e7a64d84359
SHA256f5a2e07dd70eb0e68b7770a564fbd51b11a635c33a0d8c5476f81ccca96ed0a0
SHA5121af795188dc7a0060083289f8a2cdae90774053342e107e18106925444b7cc429575d84630287be6a4a5a97a9881288790a1cc01b2fd782b3fa206979b91e72e
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Filesize
3.1MB
MD55fdfc5178310d49fdc5434b49381b3dd
SHA1a29d31ef10596e672bbc5af600730e7a64d84359
SHA256f5a2e07dd70eb0e68b7770a564fbd51b11a635c33a0d8c5476f81ccca96ed0a0
SHA5121af795188dc7a0060083289f8a2cdae90774053342e107e18106925444b7cc429575d84630287be6a4a5a97a9881288790a1cc01b2fd782b3fa206979b91e72e
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Filesize
643KB
MD5363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
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Filesize
643KB
MD5363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
3.1MB
MD55fdfc5178310d49fdc5434b49381b3dd
SHA1a29d31ef10596e672bbc5af600730e7a64d84359
SHA256f5a2e07dd70eb0e68b7770a564fbd51b11a635c33a0d8c5476f81ccca96ed0a0
SHA5121af795188dc7a0060083289f8a2cdae90774053342e107e18106925444b7cc429575d84630287be6a4a5a97a9881288790a1cc01b2fd782b3fa206979b91e72e
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Filesize
3.1MB
MD55fdfc5178310d49fdc5434b49381b3dd
SHA1a29d31ef10596e672bbc5af600730e7a64d84359
SHA256f5a2e07dd70eb0e68b7770a564fbd51b11a635c33a0d8c5476f81ccca96ed0a0
SHA5121af795188dc7a0060083289f8a2cdae90774053342e107e18106925444b7cc429575d84630287be6a4a5a97a9881288790a1cc01b2fd782b3fa206979b91e72e
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Filesize
3.1MB
MD55fdfc5178310d49fdc5434b49381b3dd
SHA1a29d31ef10596e672bbc5af600730e7a64d84359
SHA256f5a2e07dd70eb0e68b7770a564fbd51b11a635c33a0d8c5476f81ccca96ed0a0
SHA5121af795188dc7a0060083289f8a2cdae90774053342e107e18106925444b7cc429575d84630287be6a4a5a97a9881288790a1cc01b2fd782b3fa206979b91e72e
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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
643KB
MD5363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c