Analysis
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max time kernel
145s -
max time network
152s -
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 13:38
Static task
static1
Behavioral task
behavioral1
Sample
cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.exe
Resource
win10v2004-20231127-en
General
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Target
cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.exe
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Size
7.2MB
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MD5
f72ba0c988d434ee9977cbac7082af77
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SHA1
2c7c90fe45a417bebc5f0e9b9c54fb2a1a5ec5a6
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SHA256
cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1
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SHA512
000cd72155b47a3c0ca0c77d59e03494a57923cd1fc8a544b9d127c43230f17b202c5513bbad0ed1905023c991a6469da924429e305fb6f2595a6ddd5197eeed
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SSDEEP
196608:Fxm50EF70ZaWLZ97vnC8LpS7+bI9cpSzj:TEt0Zak7aIA7kSzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 2284 numgif.exe 980 numgif.exe -
Loads dropped DLL 3 IoCs
pid Process 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.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 152.89.198.214 -
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-1LM5U.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SG6NQ.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-B1R8P.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-OIHJ5.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JCVS9.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-FF36I.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-4OA82.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-C5981.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\uninstall\is-2O791.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-K3KI9.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SPA8D.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-PGM55.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1L5R4.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-OSBMH.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-NEPQM.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-M80QH.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-UK2L8.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DK64A.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\stuff\is-2C8GM.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\stuff\is-A371U.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-M8BUC.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VJ93G.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-G026F.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File opened for modification C:\Program Files (x86)\numGIF\uninstall\unins000.dat cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9I601.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QR8LB.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-8DTEC.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-V48TH.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DJADB.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-527PB.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-BCG3V.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-N65MG.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9EHMS.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\lessmsi\is-NJMAE.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CQ5CV.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\is-UU3R0.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-148J2.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-7SKA7.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-LISMC.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-FCTSI.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-UBTVJ.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-7TA2S.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-T0NF5.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-S3GVQ.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\stuff\is-59EIR.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-TC5QD.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-HM56L.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-71EKA.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-8VO20.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File opened for modification C:\Program Files (x86)\numGIF\numgif.exe cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-G4IIE.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-900Q1.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-G90CT.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-4JATS.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-BNK39.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\uninstall\unins000.dat cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\stuff\is-SUO33.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PIRUK.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-13SB1.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-7H1HS.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-78U2A.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-1MREB.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-D539N.tmp cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2472 wrote to memory of 4124 2472 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.exe 87 PID 2472 wrote to memory of 4124 2472 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.exe 87 PID 2472 wrote to memory of 4124 2472 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.exe 87 PID 4124 wrote to memory of 2468 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 90 PID 4124 wrote to memory of 2468 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 90 PID 4124 wrote to memory of 2468 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 90 PID 4124 wrote to memory of 2284 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 91 PID 4124 wrote to memory of 2284 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 91 PID 4124 wrote to memory of 2284 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 91 PID 4124 wrote to memory of 1956 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 95 PID 4124 wrote to memory of 1956 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 95 PID 4124 wrote to memory of 1956 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 95 PID 4124 wrote to memory of 980 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 94 PID 4124 wrote to memory of 980 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 94 PID 4124 wrote to memory of 980 4124 cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp 94 PID 1956 wrote to memory of 3048 1956 net.exe 97 PID 1956 wrote to memory of 3048 1956 net.exe 97 PID 1956 wrote to memory of 3048 1956 net.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.exe"C:\Users\Admin\AppData\Local\Temp\cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Users\Admin\AppData\Local\Temp\is-7C2SH.tmp\cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp"C:\Users\Admin\AppData\Local\Temp\is-7C2SH.tmp\cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.tmp" /SL5="$B01CC,7257737,121856,C:\Users\Admin\AppData\Local\Temp\cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:2468
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
PID:2284
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
PID:980
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵PID:3048
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD557ced71d2e317eabb615aa41744d1b1f
SHA16cc65d30c5fd466c87947a037b4b334150cd07c6
SHA256063e3ba1e7b81c595bcda4226b7258730c769626de660452e5aefc7f0ad45737
SHA5122c76683fcacdbe5497fd042424f1ac4da0cd74f62f0516e1bc77487bce7fed98b21836582e6ed8eee157bf854bc550dec6e4697919cd21adf76ae400fcb98662
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Filesize
1.8MB
MD5985efc30da62a33a1905b3bbdd4a7dad
SHA113d15a112fa9714255d685ce7513f00759465922
SHA256e19326f10985a8471d7505d340e9623744a931467b7f6c85d2bf32fc96ea68a9
SHA51244afa80c00537b0347398a97e4eb7fa7134ea72104a8c576434bf1c770d9d9ae48407ad9d649a7a7f458a2f3860d93813292eee64a4a23d0d921ca63ea898a54
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C:\Users\Admin\AppData\Local\Temp\is-7C2SH.tmp\cf5bc673b2f6f671a45db9643ef2f935bdb40f141bc45e721238839b48a3abb1.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