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Analysis
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max time kernel
146s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
12/12/2023, 17:44
Static task
static1
Behavioral task
behavioral1
Sample
tuc7.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
tuc7.exe
Resource
win10v2004-20231130-en
General
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Target
tuc7.exe
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Size
7.0MB
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MD5
5285a6682478becc95f18342b2904657
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SHA1
5a54bf2ff799b64b065d163b264179f67455243e
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SHA256
30889f13cb68d07d870acab2076875e2255a1775d13c055c18681081f8c4e930
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SHA512
df33add60987191cc52b55808cad675605980284a7ad69a5fbe082a02b66b03e230e76895548ea5f574d54f97bc765570b9694a286fdbe5af1093775f0c98886
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SSDEEP
196608:8xm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:z7RjWtfj95dLASWyzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4804 tuc7.tmp 868 numgif.exe 2988 numgif.exe -
Loads dropped DLL 3 IoCs
pid Process 4804 tuc7.tmp 4804 tuc7.tmp 4804 tuc7.tmp -
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 152.89.198.214 Destination IP 194.49.94.194 Destination IP 81.31.197.38 -
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\uninstall\unins000.dat tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SF43A.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-3KS73.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-U1T5I.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-IONK0.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-B6D72.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-16BJ7.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-OOT0K.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VTRH4.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-MUU5O.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0QPFF.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CFLJE.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-NTLLH.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-QKQ9H.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-HV7P5.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KSRF8.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-T1F0L.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-D514R.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0P840.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9UDGO.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QK9HE.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-T8VMC.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-NJNFJ.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-2RNOS.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ML19V.tmp tuc7.tmp File opened for modification C:\Program Files (x86)\numGIF\numgif.exe tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-2789H.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EIBGC.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-NBR65.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-3FG6O.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9C54N.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-AJT9R.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-3SCRD.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-3T93M.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\is-VUTC9.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-MIIB5.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-23ALB.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-6IJCF.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EUNVN.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-OVPLB.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-5JS21.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-S9T2I.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9PUQ1.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-F7V5E.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DJ6UN.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-U25TG.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ACRR1.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-64Q61.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-478NB.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-6MTAT.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-F12TS.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QB718.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-4HKR6.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SHAGK.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-M7UTK.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\lessmsi\is-GAKNM.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-K5MDG.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\uninstall\is-8145D.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-OAV0C.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-NH9T5.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-COM1N.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-UC7HR.tmp tuc7.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4804 tuc7.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4476 wrote to memory of 4804 4476 tuc7.exe 88 PID 4476 wrote to memory of 4804 4476 tuc7.exe 88 PID 4476 wrote to memory of 4804 4476 tuc7.exe 88 PID 4804 wrote to memory of 4648 4804 tuc7.tmp 92 PID 4804 wrote to memory of 4648 4804 tuc7.tmp 92 PID 4804 wrote to memory of 4648 4804 tuc7.tmp 92 PID 4804 wrote to memory of 868 4804 tuc7.tmp 94 PID 4804 wrote to memory of 868 4804 tuc7.tmp 94 PID 4804 wrote to memory of 868 4804 tuc7.tmp 94 PID 4804 wrote to memory of 4896 4804 tuc7.tmp 96 PID 4804 wrote to memory of 4896 4804 tuc7.tmp 96 PID 4804 wrote to memory of 4896 4804 tuc7.tmp 96 PID 4804 wrote to memory of 2988 4804 tuc7.tmp 95 PID 4804 wrote to memory of 2988 4804 tuc7.tmp 95 PID 4804 wrote to memory of 2988 4804 tuc7.tmp 95 PID 4896 wrote to memory of 3060 4896 net.exe 98 PID 4896 wrote to memory of 3060 4896 net.exe 98 PID 4896 wrote to memory of 3060 4896 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:4476 -
C:\Users\Admin\AppData\Local\Temp\is-9N9J8.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-9N9J8.tmp\tuc7.tmp" /SL5="$A0066,7089240,121856,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:4804 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:4648
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
PID:868
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
PID:2988
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵PID:3060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD575bab3d6738db7d094f27a1a11d4b744
SHA1456ad69ff94bb78e6be563ff2a7e020b032cd40a
SHA2560bb1b8a27854881dab888fc2bbf659a459f4d63b6baefaef1add0bc38dfee43d
SHA5123c557a53e31a2cb656812d8ccb042e054382071fd55507d5df4ea01cdbab9b0ad645dce5bb7cba09128c3d3b89056e65dd0994883845e2077a4f443a1d67b2fa
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Filesize
64KB
MD53b5b9121e88c83e54f51f448c055b806
SHA13b45b2c23d518e4dc624865578b71f444aa0ddb3
SHA256404cf42ba30ffbeeb1ad719dd1696beb57e9323eb3e7e88cacc01959f2f8984d
SHA51288d80861cd0849c0eada68a2e9f29f5f8c888bc5fcd95cf7868cc31932bb8f7af08f112aff222c75e2f433b312568088500aba499cf2731ba5c9e3e2fb5f00a2
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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
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4