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Analysis
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max time kernel
101s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25/11/2022, 11:04
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
1.5MB
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MD5
3ec8cc709e2c6c399995935a26b1424c
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SHA1
e326e1dc24819ff6b2833452b38598c943c62197
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SHA256
43918d8c4473265ec9b69efd8070a14e6732bafb4e7dd39f26213217c26e9796
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SHA512
b59a4414d9bebffad20d4c0ecd2b19ab42a8734333826c9d0447003e2536f41baefcce8537719264c5c10ee88a36ff29fc0db2e6a02a03bdd914ec87678569bc
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SSDEEP
24576:Bizcbc+fYNbvGln0RPYdctjmb+3G2UQeIFB+4Bz1U9vetEckQjj/jCsvdfaY6z7O:qkffYNjen0RMc9mSCi+4ZtV/3/2svdfj
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1532 is-TIJ7R.tmp 1740 PrintFolders.exe 524 ZCpaqQdNio.exe -
Loads dropped DLL 10 IoCs
pid Process 1712 file.exe 1532 is-TIJ7R.tmp 1532 is-TIJ7R.tmp 1532 is-TIJ7R.tmp 1532 is-TIJ7R.tmp 1740 PrintFolders.exe 1740 PrintFolders.exe 1740 PrintFolders.exe 524 ZCpaqQdNio.exe 524 ZCpaqQdNio.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-U2NEQ.tmp is-TIJ7R.tmp File created C:\Program Files (x86)\PrintFolders\is-KNHKV.tmp is-TIJ7R.tmp File created C:\Program Files (x86)\PrintFolders\unins000.dat is-TIJ7R.tmp File created C:\Program Files (x86)\PrintFolders\is-TKS72.tmp is-TIJ7R.tmp File created C:\Program Files (x86)\PrintFolders\is-D9JSG.tmp is-TIJ7R.tmp File created C:\Program Files (x86)\PrintFolders\is-0HJHH.tmp is-TIJ7R.tmp File created C:\Program Files (x86)\PrintFolders\is-G46BK.tmp is-TIJ7R.tmp File opened for modification C:\Program Files (x86)\PrintFolders\unins000.dat is-TIJ7R.tmp File opened for modification C:\Program Files (x86)\PrintFolders\PrintFolders.exe is-TIJ7R.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 1392 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1740 PrintFolders.exe 1740 PrintFolders.exe 1740 PrintFolders.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1532 is-TIJ7R.tmp Token: SeBackupPrivilege 1532 is-TIJ7R.tmp Token: SeDebugPrivilege 1392 taskkill.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1712 wrote to memory of 1532 1712 file.exe 27 PID 1712 wrote to memory of 1532 1712 file.exe 27 PID 1712 wrote to memory of 1532 1712 file.exe 27 PID 1712 wrote to memory of 1532 1712 file.exe 27 PID 1712 wrote to memory of 1532 1712 file.exe 27 PID 1712 wrote to memory of 1532 1712 file.exe 27 PID 1712 wrote to memory of 1532 1712 file.exe 27 PID 1532 wrote to memory of 1740 1532 is-TIJ7R.tmp 28 PID 1532 wrote to memory of 1740 1532 is-TIJ7R.tmp 28 PID 1532 wrote to memory of 1740 1532 is-TIJ7R.tmp 28 PID 1532 wrote to memory of 1740 1532 is-TIJ7R.tmp 28 PID 1532 wrote to memory of 1740 1532 is-TIJ7R.tmp 28 PID 1532 wrote to memory of 1740 1532 is-TIJ7R.tmp 28 PID 1532 wrote to memory of 1740 1532 is-TIJ7R.tmp 28 PID 1740 wrote to memory of 524 1740 PrintFolders.exe 29 PID 1740 wrote to memory of 524 1740 PrintFolders.exe 29 PID 1740 wrote to memory of 524 1740 PrintFolders.exe 29 PID 1740 wrote to memory of 524 1740 PrintFolders.exe 29 PID 1740 wrote to memory of 524 1740 PrintFolders.exe 29 PID 1740 wrote to memory of 524 1740 PrintFolders.exe 29 PID 1740 wrote to memory of 524 1740 PrintFolders.exe 29 PID 1740 wrote to memory of 1288 1740 PrintFolders.exe 32 PID 1740 wrote to memory of 1288 1740 PrintFolders.exe 32 PID 1740 wrote to memory of 1288 1740 PrintFolders.exe 32 PID 1740 wrote to memory of 1288 1740 PrintFolders.exe 32 PID 1740 wrote to memory of 1288 1740 PrintFolders.exe 32 PID 1740 wrote to memory of 1288 1740 PrintFolders.exe 32 PID 1740 wrote to memory of 1288 1740 PrintFolders.exe 32 PID 1288 wrote to memory of 1392 1288 cmd.exe 34 PID 1288 wrote to memory of 1392 1288 cmd.exe 34 PID 1288 wrote to memory of 1392 1288 cmd.exe 34 PID 1288 wrote to memory of 1392 1288 cmd.exe 34 PID 1288 wrote to memory of 1392 1288 cmd.exe 34 PID 1288 wrote to memory of 1392 1288 cmd.exe 34 PID 1288 wrote to memory of 1392 1288 cmd.exe 34
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:1712 -
C:\Users\Admin\AppData\Local\Temp\is-TGBLM.tmp\is-TIJ7R.tmp"C:\Users\Admin\AppData\Local\Temp\is-TGBLM.tmp\is-TIJ7R.tmp" /SL4 $60122 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1289975 517122⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532 -
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:1740 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\ZCpaqQdNio.exe
- Executes dropped EXE
- Loads dropped DLL
PID:524
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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:1288 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "PrintFolders.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1392
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.7MB
MD5eb85e6a62b372f6c784e55d9d7ffafad
SHA192064fd395302ce3f40db1decabeb5d69173a732
SHA256917dd8561fba8dbb2386d3c92589328bf1f96f7d93a7ae26019247cab7d1331d
SHA5125ff353943e2c24260e2e98b48fdd2d958f53ccdebbf934322c1123ec417500c113e787548c8a84e85b7d746c75bc7a28cec8f4a1c447f1edcfa773fba693421e
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Filesize
1.7MB
MD5eb85e6a62b372f6c784e55d9d7ffafad
SHA192064fd395302ce3f40db1decabeb5d69173a732
SHA256917dd8561fba8dbb2386d3c92589328bf1f96f7d93a7ae26019247cab7d1331d
SHA5125ff353943e2c24260e2e98b48fdd2d958f53ccdebbf934322c1123ec417500c113e787548c8a84e85b7d746c75bc7a28cec8f4a1c447f1edcfa773fba693421e
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Filesize
643KB
MD585b94e72c3f2d2b5464e2aaf3c9e242a
SHA1ce7ccae5f50a990d059d59292d4a332979e162ba
SHA2561441464feeef365573af18802c464769b7d3107624fde24604f57e386f97f1a7
SHA512c0c27189989db482be9bda5b6b8b1441bdc5e9b0f3a414ccab4c4be516e7f99e25717845361a5b196114502faaaf21bec7aca91b497acd2e2396f49c31850880
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Filesize
643KB
MD585b94e72c3f2d2b5464e2aaf3c9e242a
SHA1ce7ccae5f50a990d059d59292d4a332979e162ba
SHA2561441464feeef365573af18802c464769b7d3107624fde24604f57e386f97f1a7
SHA512c0c27189989db482be9bda5b6b8b1441bdc5e9b0f3a414ccab4c4be516e7f99e25717845361a5b196114502faaaf21bec7aca91b497acd2e2396f49c31850880
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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
1.7MB
MD5eb85e6a62b372f6c784e55d9d7ffafad
SHA192064fd395302ce3f40db1decabeb5d69173a732
SHA256917dd8561fba8dbb2386d3c92589328bf1f96f7d93a7ae26019247cab7d1331d
SHA5125ff353943e2c24260e2e98b48fdd2d958f53ccdebbf934322c1123ec417500c113e787548c8a84e85b7d746c75bc7a28cec8f4a1c447f1edcfa773fba693421e
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Filesize
1.7MB
MD5eb85e6a62b372f6c784e55d9d7ffafad
SHA192064fd395302ce3f40db1decabeb5d69173a732
SHA256917dd8561fba8dbb2386d3c92589328bf1f96f7d93a7ae26019247cab7d1331d
SHA5125ff353943e2c24260e2e98b48fdd2d958f53ccdebbf934322c1123ec417500c113e787548c8a84e85b7d746c75bc7a28cec8f4a1c447f1edcfa773fba693421e
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Filesize
1.7MB
MD5eb85e6a62b372f6c784e55d9d7ffafad
SHA192064fd395302ce3f40db1decabeb5d69173a732
SHA256917dd8561fba8dbb2386d3c92589328bf1f96f7d93a7ae26019247cab7d1331d
SHA5125ff353943e2c24260e2e98b48fdd2d958f53ccdebbf934322c1123ec417500c113e787548c8a84e85b7d746c75bc7a28cec8f4a1c447f1edcfa773fba693421e
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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
MD585b94e72c3f2d2b5464e2aaf3c9e242a
SHA1ce7ccae5f50a990d059d59292d4a332979e162ba
SHA2561441464feeef365573af18802c464769b7d3107624fde24604f57e386f97f1a7
SHA512c0c27189989db482be9bda5b6b8b1441bdc5e9b0f3a414ccab4c4be516e7f99e25717845361a5b196114502faaaf21bec7aca91b497acd2e2396f49c31850880
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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