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Analysis
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max time kernel
145s -
max time network
149s -
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, 16:24
Static task
static1
Behavioral task
behavioral1
Sample
856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.exe
Resource
win10v2004-20231127-en
General
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Target
856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.exe
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Size
7.2MB
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MD5
6af59fb169868d27e358d04027691913
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SHA1
e56608642678ff1fe07ffefcbab5022520e2e76c
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SHA256
856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803
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SHA512
8c3ec46a5bdd73f873bce67794af49e557de835958b749505049fdbd7039e31f25ba552c051e426a49b494a8fd18bf762ac3fdcc81b662a758e74eed306b8f34
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SSDEEP
196608:zxm50EF70ZaWLZ97vnC8LpS7+bI9cpSzj:ZEt0Zak7aIA7kSzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 2952 numgif.exe 2972 numgif.exe -
Loads dropped DLL 3 IoCs
pid Process 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.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 created C:\Program Files (x86)\numGIF\bin\x86\is-R3DKL.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-64IUS.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\stuff\is-1JT1P.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-2HDQE.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9S7TA.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-BRAVC.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File opened for modification C:\Program Files (x86)\numGIF\numgif.exe 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-AUVRE.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-RFUH4.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-B3JJG.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\is-BHUOS.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QVUQL.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-4CBNG.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PQ6J3.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-O9UJA.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QPTSH.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\stuff\is-947UC.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\lessmsi\is-9155B.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ETSR5.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-2E3UR.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9S7G5.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-RS26S.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-UK5M4.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-2CDAR.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-R478J.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1VF1U.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\uninstall\unins000.dat 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VMMQV.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SNRU8.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SJESD.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-5RTF4.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VPUIG.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-NKG94.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-K0N5E.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SH5SE.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-OJMUB.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-G7VNT.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CRFDO.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-MI19D.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-59EQB.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PFNPH.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-RK1E5.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SMFET.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1S2RT.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\stuff\is-C7033.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EPJGT.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-33LD6.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\uninstall\is-O5D8M.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-FMVOS.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JMFFL.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-54H3G.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-HCUM4.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GBMUR.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QIONH.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VUJIF.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\stuff\is-BNSNU.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-6FM8G.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-TUM6D.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File opened for modification C:\Program Files (x86)\numGIF\uninstall\unins000.dat 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-58EB6.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-7BG1G.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-8NFRC.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ORDES.tmp 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1104 wrote to memory of 4756 1104 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.exe 87 PID 1104 wrote to memory of 4756 1104 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.exe 87 PID 1104 wrote to memory of 4756 1104 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.exe 87 PID 4756 wrote to memory of 3652 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 90 PID 4756 wrote to memory of 3652 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 90 PID 4756 wrote to memory of 3652 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 90 PID 4756 wrote to memory of 2952 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 92 PID 4756 wrote to memory of 2952 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 92 PID 4756 wrote to memory of 2952 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 92 PID 4756 wrote to memory of 4128 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 93 PID 4756 wrote to memory of 4128 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 93 PID 4756 wrote to memory of 4128 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 93 PID 4756 wrote to memory of 2972 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 95 PID 4756 wrote to memory of 2972 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 95 PID 4756 wrote to memory of 2972 4756 856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp 95 PID 4128 wrote to memory of 2780 4128 net.exe 96 PID 4128 wrote to memory of 2780 4128 net.exe 96 PID 4128 wrote to memory of 2780 4128 net.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.exe"C:\Users\Admin\AppData\Local\Temp\856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Users\Admin\AppData\Local\Temp\is-5KAKN.tmp\856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp"C:\Users\Admin\AppData\Local\Temp\is-5KAKN.tmp\856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp" /SL5="$30232,7257737,121856,C:\Users\Admin\AppData\Local\Temp\856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4756 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:3652
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
PID:2952
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵PID:2780
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
PID:2972
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.1MB
MD557ced71d2e317eabb615aa41744d1b1f
SHA16cc65d30c5fd466c87947a037b4b334150cd07c6
SHA256063e3ba1e7b81c595bcda4226b7258730c769626de660452e5aefc7f0ad45737
SHA5122c76683fcacdbe5497fd042424f1ac4da0cd74f62f0516e1bc77487bce7fed98b21836582e6ed8eee157bf854bc550dec6e4697919cd21adf76ae400fcb98662
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Filesize
993KB
MD55ac3a118fd6081440568302028fc9789
SHA1855f657586c1fce565dc607bedbbe4c06f78702f
SHA256438c7cb503baa04ff9516858244898de124913c22933e50decd14ba1d33da365
SHA512dcb02119c811a6f7b351aeb5b2168872dd608d45bfcab06a278ac38dfe048e4efb656b722f2a11cc3ccb198dc83f67ee2450a73c1203b8881d99d69e592ffc01
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C:\Users\Admin\AppData\Local\Temp\is-5KAKN.tmp\856373959059a08984ba3c623426220da31212404d9439c47e8f3f6c04614803.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303