Analysis
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max time kernel
150s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
12/12/2023, 17:39
Static task
static1
Behavioral task
behavioral1
Sample
tuc7.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
tuc7.exe
Resource
win10v2004-20231127-en
General
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Target
tuc7.exe
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Size
7.0MB
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MD5
0a81b744487df5763fff4ad5a8b9d252
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SHA1
c547c519622698caf28c616d13d16a783088d514
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SHA256
745dbea5b70df628ee2ab49d01639490f2fe6994bb8db67a072c3ce96c81256a
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SHA512
544acfe4f60ca685182f54b9533fb627cc0fb56729e5e97349fa9d002f9a20425acad0281121698c1451e717e725fcd3f57f9dbf4dc5caea5289e9d0356eee5c
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SSDEEP
196608:Dxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:Y7RjWtfj95dLASWyzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2052 tuc7.tmp 4640 numgif.exe 3472 numgif.exe -
Loads dropped DLL 3 IoCs
pid Process 2052 tuc7.tmp 2052 tuc7.tmp 2052 tuc7.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 141.98.234.31 -
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 63 IoCs
description ioc Process File created C:\Program Files (x86)\numGIF\bin\x86\is-JE245.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GFPNR.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-COKC2.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-0A1UJ.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-Q194B.tmp tuc7.tmp File opened for modification C:\Program Files (x86)\numGIF\uninstall\unins000.dat tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-IJNSM.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-D508I.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-MVCA2.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0QTUU.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-92VPQ.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VMFJ4.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-T6MU2.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-LNVOS.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GJKME.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-G3K93.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-LTPT7.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-P3E3A.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-BIPQF.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-152V4.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-8UM14.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CD5KU.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-638F9.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QLH73.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-69V44.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-8EG2C.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QFUBP.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-TU9H6.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CKHQ3.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-FFDBB.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-K8SUP.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-AOR2R.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-AUK8K.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-LC7R1.tmp tuc7.tmp File opened for modification C:\Program Files (x86)\numGIF\numgif.exe tuc7.tmp File created C:\Program Files (x86)\numGIF\uninstall\unins000.dat tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1A8LU.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-O37JU.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-59D3M.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\is-HM6MH.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-F37R3.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\lessmsi\is-OO1CR.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-10BF8.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-ANR20.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-02NC0.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-F4G0E.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-L4JHA.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KRVV4.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-2DO4R.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-55MC4.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-TGDD8.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ORQ5Q.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DOS34.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\uninstall\is-B5ICO.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-UG5UH.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GOHKA.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ASKEI.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0B7G9.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-B2ROR.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-6JBUV.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-TGAQE.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QN382.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-4T057.tmp tuc7.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2052 tuc7.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3452 wrote to memory of 2052 3452 tuc7.exe 89 PID 3452 wrote to memory of 2052 3452 tuc7.exe 89 PID 3452 wrote to memory of 2052 3452 tuc7.exe 89 PID 2052 wrote to memory of 3564 2052 tuc7.tmp 92 PID 2052 wrote to memory of 3564 2052 tuc7.tmp 92 PID 2052 wrote to memory of 3564 2052 tuc7.tmp 92 PID 2052 wrote to memory of 4640 2052 tuc7.tmp 94 PID 2052 wrote to memory of 4640 2052 tuc7.tmp 94 PID 2052 wrote to memory of 4640 2052 tuc7.tmp 94 PID 2052 wrote to memory of 1276 2052 tuc7.tmp 95 PID 2052 wrote to memory of 1276 2052 tuc7.tmp 95 PID 2052 wrote to memory of 1276 2052 tuc7.tmp 95 PID 2052 wrote to memory of 3472 2052 tuc7.tmp 96 PID 2052 wrote to memory of 3472 2052 tuc7.tmp 96 PID 2052 wrote to memory of 3472 2052 tuc7.tmp 96 PID 1276 wrote to memory of 4820 1276 net.exe 98 PID 1276 wrote to memory of 4820 1276 net.exe 98 PID 1276 wrote to memory of 4820 1276 net.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\is-QOU3G.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-QOU3G.tmp\tuc7.tmp" /SL5="$16003A,7089240,121856,C:\Users\Admin\AppData\Local\Temp\tuc7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:3564
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
PID:4640
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵PID:4820
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
PID:3472
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD5e4a8032541379455f84bccfe4920d9da
SHA1ab9ed80023a2c08705234d5057a4cab860d87a2b
SHA25645b27c8d70b72412f6d1f3b5e08262318d1e87490bb31c4f29975e0f87e192af
SHA51272468e314b80bb9b4ab658676e7f8a19062cf2c3af0fb29b06c56924d2718319669d7f8cc37959072d376aa0e4119fea6674697021816b6ce5ce1c1f7c05e03f
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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Filesize
260KB
MD5c98f2780466e5e27f4dfe0a166926539
SHA1e6c1834fd7504aa24289d33e7a5e3a13f392efc5
SHA25615bb22dd3dca63969800667cd7e30e589062f90fdce8f0b10ff46512a12ccce8
SHA5120bb0a25d84c79611810d9cd7b33501b0ff086ed83a55d217bfae8b42d4ee3a944281e7437facea55ee3d14f7b796fcdaf839e38ec39d986b2740e5ee8d7cfed7
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4