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Analysis
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max time kernel
144s -
max time network
132s -
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, 11:56
Static task
static1
Behavioral task
behavioral1
Sample
ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe
Resource
win10v2004-20231127-en
General
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Target
ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe
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Size
7.2MB
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MD5
2c5093e60d2414bda69dc9c7b4a1c857
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SHA1
f04ba0a611cb3f993e756663dfe6f921c860f0f4
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SHA256
ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427
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SHA512
8df0c7b4037a918441f46ce50582911a134f2486c2fd2bc843e1c1eb54f55d00b3dd1d47f77ca9bd8543749149cdc3c6dddb3ccd4a0c727dba38f28e8c7e0cf5
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SSDEEP
196608:2xm5xCJOyhaLRyatbRgZIWFhoPd9qRvnTyGofmyq1zj:FcOycyKbf6i+E+P1zj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 3024 numgif.exe 3936 numgif.exe -
Loads dropped DLL 3 IoCs
pid Process 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.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 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 opened for modification C:\Program Files (x86)\numGIF\uninstall\unins000.dat ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-E6AK8.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-HR15A.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-70GCP.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SDMBQ.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KRIA6.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-BUNRC.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-UJTEL.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-B1VE6.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-30TDD.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-40IAG.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-IO9QV.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-FFBP8.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SOP6L.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-048IS.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\stuff\is-7B3H5.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GSA9U.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-H1RT2.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VMAAN.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-E7ECO.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GHMHH.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KSVHE.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0OH6C.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-5OR9E.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DMHP8.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-8E0PM.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-I68ON.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-28U03.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9DHBB.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\is-F3572.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\uninstall\unins000.dat ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CJ31K.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-6L00U.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-A71LK.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\stuff\is-9FEUD.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-D6KJQ.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1O2TK.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File opened for modification C:\Program Files (x86)\numGIF\numgif.exe ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\stuff\is-FD6ML.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-L103Q.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SROUR.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-D5RM1.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-BJEEO.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-B90Q0.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\stuff\is-PSK69.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PI399.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\uninstall\is-QQQLC.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-STK0R.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JRQU3.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-3GHLE.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-20BND.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-UHA3O.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-AAS4M.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-D5Q2H.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-F5NCQ.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DOE4C.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-522PL.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EB9GD.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KRCFH.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-U89VA.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-LFHAN.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\lessmsi\is-2L416.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-6LD9E.tmp ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2060 wrote to memory of 2016 2060 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe 89 PID 2060 wrote to memory of 2016 2060 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe 89 PID 2060 wrote to memory of 2016 2060 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe 89 PID 2016 wrote to memory of 1040 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 91 PID 2016 wrote to memory of 1040 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 91 PID 2016 wrote to memory of 1040 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 91 PID 2016 wrote to memory of 3024 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 93 PID 2016 wrote to memory of 3024 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 93 PID 2016 wrote to memory of 3024 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 93 PID 2016 wrote to memory of 4620 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 94 PID 2016 wrote to memory of 4620 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 94 PID 2016 wrote to memory of 4620 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 94 PID 2016 wrote to memory of 3936 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 95 PID 2016 wrote to memory of 3936 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 95 PID 2016 wrote to memory of 3936 2016 ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp 95 PID 4620 wrote to memory of 2012 4620 net.exe 97 PID 4620 wrote to memory of 2012 4620 net.exe 97 PID 4620 wrote to memory of 2012 4620 net.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe"C:\Users\Admin\AppData\Local\Temp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Users\Admin\AppData\Local\Temp\is-OVCG8.tmp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp"C:\Users\Admin\AppData\Local\Temp\is-OVCG8.tmp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp" /SL5="$A0060,7250749,121856,C:\Users\Admin\AppData\Local\Temp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1040
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
PID:3024
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵PID:2012
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
PID:3936
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
880KB
MD52f7486ca62c2543f0a2b163a4c4424de
SHA1e6652bf4a92888d0a9c622852c7501535f8c2770
SHA2563546c56f937d370ea67cc0dca361d04d6b2b277a385be3b2c4e64b23214cb234
SHA512f4f4af8d437709290afc7f31199809b8af62e295c6715329cdc99047230a60cf2da8ffa595418e43d41251eaa6a064250cfdabd077c3fa04b9e7fff5dbe5e634
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Filesize
2.1MB
MD5e30c1cf8e70b07a2b5f6b6c91c2f8d12
SHA1c0b8f9f23fdf95658e505880a3dda67f450c7758
SHA2567006b0097203ef9a4e4d8510acf880297265d79c431693821879c41e50c55451
SHA51276f346a9f25aeea95dff27f4182fb37e0142eed8a9f44d185884669944ac66653d4fa805802ab39085f991a70d04ac3e5cfd0937cdeffb8bb703d74d2b418672
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Filesize
1009KB
MD5ce1e2be057d4fe3582e7b6540ef3ee65
SHA14322250a0ea4d43509e35096ca15e9f70ad2a7bf
SHA2569c85443cd9cda2332c76e31c5388e6efcd762488759d216a5ae6e16c603175f9
SHA512c148fab8be884e68f4033181d6fd8238f464bac6d93e78ea69a1d719fcbc4d0ca08879deb44edfc6be035202e257603be5d0620040268513f7637533ba185314
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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C:\Users\Admin\AppData\Local\Temp\is-OVCG8.tmp\ac1371a32940f90c60ab8582e53927b111039c8ba62bb201eb55198d694f0427.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4