Analysis
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max time kernel
149s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
12-12-2023 14:21
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
6071ea1ea636f7df6c2f8c7d3937e25e
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SHA1
fa62de1401f02cbe41bdfadfb5ee5857ac6a0db3
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SHA256
fc3d5c50cb6c30195c11d975171f479b32ac9d96cd971fe173740cbfc7516868
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SHA512
86b1d2b8aa23d5de5ce60357116fcf2a695fc999c7357ad8717759755b2e45f0ca6f7f507f58c676fcc65d2a492d310bee50cf816223a18e1bc382cf7f0d1a95
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SSDEEP
196608:pxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:G7RjWtfj95dLASWyzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1716 tuc7.tmp 908 numgif.exe 1940 numgif.exe -
Loads dropped DLL 6 IoCs
pid Process 1500 tuc7.exe 1716 tuc7.tmp 1716 tuc7.tmp 1716 tuc7.tmp 1716 tuc7.tmp 1716 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 45.155.250.90 -
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\stuff\is-S6HMN.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-4GH3Q.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GN4BM.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1AGK0.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-UH5UA.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-RB7FD.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-LLNVN.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-3GOIH.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1K3HV.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GH70J.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1RT1T.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-54L7N.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0CTCI.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0L126.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SSA75.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-B5QLO.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-2JVA7.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\is-6947N.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-6VG8F.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\uninstall\unins000.dat tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-6FEK6.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-J9V8G.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-V1H2A.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DCQ22.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-QK6R7.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-102TU.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-8PRSJ.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-R2QAQ.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GJQTG.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-T6NGG.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1VVHN.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KOE0I.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-RTSF0.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-C980Q.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-RI3UB.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-J7RMM.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PGCTE.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-COJKN.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-071PF.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DTO1D.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KV7IL.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SBBP4.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\lessmsi\is-6K13U.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-U2C8E.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-IEQV0.tmp tuc7.tmp File opened for modification C:\Program Files (x86)\numGIF\uninstall\unins000.dat tuc7.tmp File opened for modification C:\Program Files (x86)\numGIF\numgif.exe tuc7.tmp File created C:\Program Files (x86)\numGIF\uninstall\is-0571S.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SOVP6.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PSGPE.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QQANU.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-MBS0G.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0HH6L.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KI9SV.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-65CSA.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KEMNO.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-3GE7R.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-BRGUA.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-RQJ10.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JB4KL.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\stuff\is-M7R8S.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CRFQF.tmp tuc7.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-2MV45.tmp tuc7.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1716 tuc7.tmp -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 1500 wrote to memory of 1716 1500 tuc7.exe 28 PID 1500 wrote to memory of 1716 1500 tuc7.exe 28 PID 1500 wrote to memory of 1716 1500 tuc7.exe 28 PID 1500 wrote to memory of 1716 1500 tuc7.exe 28 PID 1500 wrote to memory of 1716 1500 tuc7.exe 28 PID 1500 wrote to memory of 1716 1500 tuc7.exe 28 PID 1500 wrote to memory of 1716 1500 tuc7.exe 28 PID 1716 wrote to memory of 2900 1716 tuc7.tmp 29 PID 1716 wrote to memory of 2900 1716 tuc7.tmp 29 PID 1716 wrote to memory of 2900 1716 tuc7.tmp 29 PID 1716 wrote to memory of 2900 1716 tuc7.tmp 29 PID 1716 wrote to memory of 908 1716 tuc7.tmp 31 PID 1716 wrote to memory of 908 1716 tuc7.tmp 31 PID 1716 wrote to memory of 908 1716 tuc7.tmp 31 PID 1716 wrote to memory of 908 1716 tuc7.tmp 31 PID 1716 wrote to memory of 1328 1716 tuc7.tmp 32 PID 1716 wrote to memory of 1328 1716 tuc7.tmp 32 PID 1716 wrote to memory of 1328 1716 tuc7.tmp 32 PID 1716 wrote to memory of 1328 1716 tuc7.tmp 32 PID 1716 wrote to memory of 1940 1716 tuc7.tmp 33 PID 1716 wrote to memory of 1940 1716 tuc7.tmp 33 PID 1716 wrote to memory of 1940 1716 tuc7.tmp 33 PID 1716 wrote to memory of 1940 1716 tuc7.tmp 33 PID 1328 wrote to memory of 828 1328 net.exe 35 PID 1328 wrote to memory of 828 1328 net.exe 35 PID 1328 wrote to memory of 828 1328 net.exe 35 PID 1328 wrote to memory of 828 1328 net.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Users\Admin\AppData\Local\Temp\is-6I3C9.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-6I3C9.tmp\tuc7.tmp" /SL5="$70122,7089240,121856,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:1716 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:2900
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
PID:908
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵PID:828
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
PID:1940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5e4a8032541379455f84bccfe4920d9da
SHA1ab9ed80023a2c08705234d5057a4cab860d87a2b
SHA25645b27c8d70b72412f6d1f3b5e08262318d1e87490bb31c4f29975e0f87e192af
SHA51272468e314b80bb9b4ab658676e7f8a19062cf2c3af0fb29b06c56924d2718319669d7f8cc37959072d376aa0e4119fea6674697021816b6ce5ce1c1f7c05e03f
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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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
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3