Analysis
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max time kernel
143s -
max time network
129s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
12-12-2023 14:11
Static task
static1
Behavioral task
behavioral1
Sample
6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.exe
Resource
win10-20231020-en
General
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Target
6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.exe
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Size
7.1MB
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MD5
fa00cd42410a2c23efa6f03fc2d1ff6a
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SHA1
366d201b64d7f7ca70b0bfb4786fbceabe1684b7
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SHA256
6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f
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SHA512
14647139fa6015c4b7e01dbfaf55c68fdbfe661baa05a4949c5066c7385aa083b01107b95eb1a98559da6e8bd0fef87ce9d08f462b9e180246cb81d35dec1290
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SSDEEP
196608:Xxm5D5YUyRe7VvZKwamjGKAVW7R+gSoASGm8PvsLMwzj:jRepZKwaS79SoASGDP0Qwzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 2652 numgif.exe 2632 numgif.exe -
Loads dropped DLL 3 IoCs
pid Process 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.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-8FH8K.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-110GA.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-AJR13.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\lessmsi\is-QT8E3.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-C293V.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\stuff\is-O4H6V.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VH1T1.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-EB6SB.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-P42D5.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ORSJD.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GQIVO.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GPM3O.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\is-NSLO3.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CT3IK.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-LUG8H.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JG8ED.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JND1G.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ELQNR.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-V1ETL.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-A93DV.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\stuff\is-9T1L9.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-AT91K.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-D7O03.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0CTDU.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File opened for modification C:\Program Files (x86)\numGIF\uninstall\unins000.dat 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-90OBM.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-T29GO.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-IU1NJ.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-POSGB.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-Q6SDB.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File opened for modification C:\Program Files (x86)\numGIF\numgif.exe 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\stuff\is-5SFCL.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-80VIR.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\uninstall\is-RHJDF.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PD9MK.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-5UHAG.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GVEP0.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\stuff\is-HGSIL.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QA4H6.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-5KOCV.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CH8P5.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-6GEUI.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JGLMO.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-M5ICB.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-4O6K0.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-T0PQV.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-NF0M5.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CLVU9.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-UM12T.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-NCTU6.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-6PRRA.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\uninstall\unins000.dat 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-48TRQ.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-8183B.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JRRH5.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-516M9.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-HV4PD.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EIA5F.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-L8S6T.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-16DSD.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-KV1MR.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-5B9OO.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JPS59.tmp 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4164 wrote to memory of 2208 4164 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.exe 71 PID 4164 wrote to memory of 2208 4164 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.exe 71 PID 4164 wrote to memory of 2208 4164 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.exe 71 PID 2208 wrote to memory of 1168 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 72 PID 2208 wrote to memory of 1168 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 72 PID 2208 wrote to memory of 1168 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 72 PID 2208 wrote to memory of 2652 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 74 PID 2208 wrote to memory of 2652 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 74 PID 2208 wrote to memory of 2652 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 74 PID 2208 wrote to memory of 4896 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 77 PID 2208 wrote to memory of 4896 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 77 PID 2208 wrote to memory of 4896 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 77 PID 2208 wrote to memory of 2632 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 76 PID 2208 wrote to memory of 2632 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 76 PID 2208 wrote to memory of 2632 2208 6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp 76 PID 4896 wrote to memory of 2996 4896 net.exe 78 PID 4896 wrote to memory of 2996 4896 net.exe 78 PID 4896 wrote to memory of 2996 4896 net.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.exe"C:\Users\Admin\AppData\Local\Temp\6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Users\Admin\AppData\Local\Temp\is-O94P0.tmp\6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp"C:\Users\Admin\AppData\Local\Temp\is-O94P0.tmp\6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.tmp" /SL5="$5022E,7235080,121856,C:\Users\Admin\AppData\Local\Temp\6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1168
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
PID:2652
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
PID:2632
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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:2996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
531KB
MD586003d491b36d5e500448f98c8f5fc42
SHA1df13ce5166420c62da5c0b101c96d3cd0b4048cc
SHA2566f8eb556771dc4ac638127060df8eb7b4e3e199b346a02306ca195f6f1992bfa
SHA5121028b1dc3f23d196c36b29e358a9bb1481806ba0ff0effcf5460735fe003837667f46cd2f789fb0381d3b7295b2cf3542c593244556a5b3fe8710231456ea217
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Filesize
727KB
MD54f95a36ad6ba76c64c9b5ae61b65dffd
SHA1ec0b44498fb5767d56ff0b527a36f651e33cb5ea
SHA2561ebfb21d31b6331d779cd677df826e77167b3fb375f3368706be6e2a26591893
SHA512a2206d723181c71762eb48bef2e388a04455b35811a2b2a4f4fb30705f30e4d871c576a6a2f21ebfb6350ae405bddb369c80ff0af94f99eb22295cb886a7540f
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Filesize
1.1MB
MD51a0fb83a7ca58d394852e51ddd041220
SHA1c2414cb0b82736d2d19aff80fa9496989f72044a
SHA25630604ff88a8fcac2d2e8b700c3181a97c3dccc4ef55352ced7198fe77ae477ad
SHA5127598967a3b3bb0a5f8f3c9bdff5a56d0b43593181a599b6e84f39a499b2fe75fcfd945b51d8b11d150fbd8fc0641bd044cd7abb506613c42cd50d17fd3a99a13
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C:\Users\Admin\AppData\Local\Temp\is-O94P0.tmp\6371369c58d98bca12a985ef4be701b11eed23b932ef1211a59e50b344efd58f.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